@ ~ E E E T R A N S A C T I O N S O N

NUCLEAR SCIENCE A PUBLICATION OF THE IEEE NUCLEAR AND PLASMA SCIENCES SOCIETY

JUNE 1998 VOLUME 45 NUMBER 3 IETNAE (ISSN 0018-9499)

PART I OF FOUR PARTS

SELECTED PAPERS FROM THE 1997 NUCLEAR SCIENCE SYMPOSIUM (NSS) Albuquerque, New Mexico, November 9-15,1997

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Report from the NSS Program Chairman and the NSS/MIC General Chairman ............................. 222 Committee Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Announcement: 1998 Nuclear Science Symposium and Medical Imaging Conference ........................ 225

GAS DETECTORS

The Application of the Curved-Grid Technique to a Gas Proportional Scintillation Counter with a Small-Diameter Photo-multiplier Tube J.MX dos Santos, A.J.KD. Soares, C.M.B. Monteiro, R.E. Morgado and C.A.N. Conde ........................ 229

Development of the Gas Electron Multiplier (GEM) J. Benlloch, A. Bressan, C. BuettneG M. Capeans, M. Gruwe, M, Hoch, J.C. Labbe, A. Placci, L. Ropelewski, l? Sauli, A. Sharma and R. Eenhof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

Breakdown Features of Various Microstrip-Type Gas Counter Designs and Their Improvements K Peskov, B.D. Ramsey and I! Fonte

Study of the Backside Signal of Micro-Strip Gas Counters on Electronic Conducting Glass G. Cicognani, D. Feltin, B. Guerard and A. Oed

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Gas Avalanche Pixel Detectors with Amorphous Silicon Carbide (a-Si:C:H) Overcoating KS. Hong, H. S. Cho, S. Biagi, E Retiere, J. Kadyk; K Perez-Mendez, IV Palaio and J. Vujic ..................... 252

The High-Rate Behaviour of Parallel Mesh Chambers I. Ivaniouchenkov, l? Fonte, K Peskov, R. Ferreira-Marques and A. Policaipo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rate Effects in Radiation Detectors with Resistive Electrodes M.M. Fraga, E.P de Lima, R. Ferreira Marques, A.J.l?L. Policalpo, C.C. Bueno, J.A.C. Goncalves and M. Damy de S.Santos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Optimization of Anode Dimensions for Microgap Detectors at High Pressure E:A.E: Fraga, R.E Marques, I. Ivaniouchenkov, L.M.S. Margato, J.R. Goncalo, A.J.l?L Policaipo, CWE. van Eijk, R. W Hollander and J. van der Marel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Columnar Cesium Iodide (CsI) Drift Plane Laycr for Gas Avalanche Microdetectors H.S. Cho, KS. Hong, KPerez-Mendez, J. Kadyk, N Palaio and J. Vujic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Use of Tungsten Anodes in Microgap Gas Chambers H.S. Cho, KS. Hong, N Palaio, J. Kadyk, K Perez-Mendez and J. Vujic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High Resistivity ZnSe Coated Substrates for Microstrip Gas Chambers R. Sudharsanan, A.C. Greenwald, G. Vakerlis, M. Yoganathan, H.S. Cho, J. Kadyk, J. Dubeau and M. Dixit . . . . . . . .

Enhanced Digital Spectrometry of Gas ]Proportional Scintillation Counter Pulses in X-ray Fluorescence Applications I?C.I?S. Simoes, J.M.E: dos Suntos and C.A.N Conde . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TRACKING FOR HIGH ENERGY AND NUCLEAR PHYSICS

Silicon Microstrip Detectors in High Luminosity Application H.8-W Sadrozinski . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Optimal P-Stop Pattern for the N-Side Strip Isolation of Silicon Microstrip Detectors E: Iwata, 2: Ohsugi, K. Fujita, H. Kitabayashi, K. Yamamoto, K. Yamamura, E: Unno, ‘1.’ Kondo, S. Teradu, I: Kohriki, M. Ami, I. Nakano and R. Takashima . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance of the Binary Readout of Silicon Strip Detectors Using the Radiation Hard SCT128B Chip W Dabrowski, l? Jarron, J. Kaplon, C. Lacasta, t! Riedler; S. Roe, I? Weilhammer; R. Szczygiel, M. Wolter; A.G. Clark, D. Macina, R. Bonino, 0. Dorholt, S. Stapes, B. Sundal, l?W Philips, 7: Dubbs and B. Dick ....................

Measurements of Two Particle Resolution in Silicon Drift Detectors S. U Paridex R. Bellwied, R. BeuttenmuelleG H. Caines, K Chen, D. DiMassimo, H. Qyke, J. Hall, G. W HofSwlann, TJ. Humanic, I? Kuczewski, I. KKotov, H. W fiune5 B. Leonhardt, C.J. Liaw, 2. Li, G. L o Curto, D. Lynn, l? Middelkamp, G. Ott, C. Pruizeau, KRykov, J. Sclzambach, J. Sedlmeil; J . Sheen, B. Soja, E. Sugarbaker; J. Takahashiand WK. Wilson . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance of Endcap RPC for the BELLE at KEK K. Abe, K. Abe, H. Hanada, H. Haitani, Y Hoshi, E: Inoue, N Kawamura, LKitayama, I: Nagamine, M. Nakajimu, I: Nukajima, E. Nakano, S. Nurita, K. Neichi, H. Sakai, M. Sanpei, I: Takahashi, I: Tukayama, Y Teramoto, M. Ueki, M. Yamuda, M. Yumaga, A. Yamaguchi and H. Yuta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pulse Height of MIP’s in an n-side Silicon Microstrip Detector after Proton Irradiation with a Fluence of x x 1015 p cm-2 A. Gomez, W Kroegel; 2: Nissen, H. E:-W Sadrozinski, R. Wichmann, J. Ernes, M.G.D. Gilchriese, J . Siegriist, E: Wapplel; E: Unno and I: Ohsugi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Development of Radiation-Hard Optical Links for the CMS Tracker at CERN E: k e y , KArbet-Engels, J . Batten, 6. Cewelli, K. Gill, R. Grabit, C. Mommaert, G. Stefanini and J. Troska . . . . . . . .

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The Detection of Minimum Ionising Particles with Scintillating Fibres using Multi-Pixel Hybrid Photodiodes C.P Datema, L-J. Meng and D. Ramsden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calibration System for the Central Fiber Tracker for the DO Upgrade B. Baumbaugh, J. Marchant, A. Gerig, E. Popkov, K. Reynolds, R. Ruchti, J. Warchol, M. Wayne and H. Zheng . . . . .

Design and Processing of Various Configurations of Silicon Pixel Detectors for High Irradiation Tolerance up to 6 x 1014 n/cm2 in LHC Application W Chen, KEremin, Z. Li, D. Menichelli, Q. Wang, L. Zhao, C.Y Chien, X. Xie, D. Anderson and S. Kwan . . . . . . . .

SEMICONDUCTOR DETECTORS

Progress in the Development of Large-Area Modular 64 x 64 CdZnTe Imaging Arrays for Nuclear Medicine K.J. Matherson, H. B. Barber; H. H. Barrett, J. D. Eskin, E. L. Dereniak, D. G. Marks, J.M. Woolfenden, E. I: Young andEL.Augustine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CdZnTe Solid-state Gamma Camera J.E Butler; C.L. Lingren, S.J. Friesenhahn, H? Doty, W.L. Ashbum, R.L. Conwell, EL. Augustine, B. Apotovsky, B.Pi. I: Collins, S. Zhao and C. Isaacon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Vertical High Voltage Termination Structure for High-Resistivity Silicon Detectors J.D. Segal, C.J. Kenney , C.H. Aw, S.I. Parker; G. Elkelis, J.S. Iwanczyk, B.E. Patt andJ. Plummer . . . . . . . . . . . . . . .

High Collection Efficiency CVD Diamond Alpha Detectors l? Bergonzo, E: Foulon, R.D. Marshall, C. Jany and A. Brambilla . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Simulation of the X-ray Response of Scintillator Coated Silicon CCDs C. Frojdh, H.E. Nilsson, P Nelvig and C.S. Petersson . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Investigation of Efficient Termination Structure for Improved Breakdown Properties of Semiconductor Radiation Detectors D. f izaj , D. Resnik, D. Vktacnik, S. Amon and KCindro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Natural Diamond Detector as High Energy Particle Spectrometer A. KKrasilnikov, KN Amosov and Yu. A. Kaschuck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Influence of the M-n-n Structure on CdTe X-Ray Detector Performance VI. Ivanov, L.A. Aleksejava, M.-A. Gagliardi, 7: Gagliardi and S. Nenonen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Developments in GaAs Pixel Detectors for X-ray Imaging S. Manolopoulos, R. Bates, M. Campbell, C. Da Via, E. Heijne, M. Heuken, H. Jurgensen, J. Ludwig, D. Marder; K. Mathieson, KO’Shea, C. Raine, M. Rogalla and K.M. Smith . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Evaluation of P-Stop Structures in the N-Side of the N-On-N Silicon Strip Detector YUnno, H. Kitabayashi, B. Dick, ?: Dubbs, A. Grillo, M. Ikeda, E: Iwata, S. Kashigin, E. Kitayama, W. Kroeger; 7: Kohriki, T Kondo, G. Moorhead, D. Morgan, I. Nakano, T. Ohmoto, ?: Ohsugi, RW Phillips, J. Richardson, W Rowe, HX-W. Sadrozinski, K. Sato, J. Siegrist, E, Spencel; H. Spielel; R. Takashima, G. Taylor; S. Terada, T. Umeda, M. Wilder; K. Wyllie and H. Yagi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Imaging Performance of Single-Element CdZnTe Detectors for Digital Radiography E. Bertoluccj P Chirco, M. Conti, L. Marcello, M. Rossi and I! Russo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transport Properties and Performance of CdZnTe Strip Detectors 0. Tousignant, L.A. Hamel, J.R Couwille, J.R. Macri, M. Mayer: M.L. McConnell, and J.M. Ryan . . . . . . . . . . . . . . . .

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Multi-Element CdZnTe Detectors for Gamma Ray Detection and Imaging PR. Bennett, K.S. Shah, L.J. Cirignano, M.B. Klugerman, Y N Dmitriyev and M.R. Squillante . . . . . . . . . . . . . . . . . . .

Spectral Response of Multi-Element Silicon X-Ray Detectors C. Rossington Tull, B.A. Ludewigt and D. Lewak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance of a New Schottky CdTe Detector for Hard X-ray Spectroscopy C. Matsumoto, I: Takahashi, K. Takizawa, R. Ohno, T. Ozaki and K. Mori . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cadmium-Zinc-Telluride, Multiple-Electrode Detectors Achieve Good Energy Resolution with High Sensitivity at Room-Temperature C.L. Lingren, B. Apotovsky, Jl? Butler; R.L. Conwell, l?I! Doty, S.J. Friesenhahn, A. Oganesyun, B. Pi and S. Zhao

Investigation of Noise Equivalent Count Rate in Positron Imaging Using a Dual Head Gamma Camera D. Brasse, M. Tararine, 0. Lamer and B. Bendriem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CdZnTe Semiconductor Parallel Strip Frisch Grid Radiation Detectors D.S. MeGregor; Z. He, H.A. Severt, R.A. Rojeski and D.K. Wehe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

An Internally Reflecting Cherenkov Detector (DIRC): Properties of the Fused Silica Radiators I. Adam, R. Aleksan, D. Aston, I! Badly, C. Beigbeder; M. Benayoun, M. Benkebil, 6. Bonneaud, D. Breton, H. Briand, D. Brown, Ph. Bourgeois, J. Chauveau, R. Cizeron, J. Cohen-Tanug, M. Conveiy, l? David, C. de la Vaissiere, A. de Lesquen, L. del Buono, G. Fouque, A. Gaidot, l? Gastaldi, J.-E Gena4 L. Gosset, D. Hale, G. Hamel de Monchenault, 0. Hamon, R. Kadel, J. Kadyk, M. Karolak, H. Kawahara, H. Krueger; H. Lebbolo, l?H. Leruste, E Le Diberder; G. London, M. Long, J. Loiy, A. Lu, A.-M. Lutz, G. Lynch, M. McCulloch, D. McShurlev, R. Malchow, l? Matricon, B. Mayel; B. Meadows, J.-L. Narjoux, L-M. Noppe, D. Oshatz, G. Oxoby, R. Plano, S. Plaszczynski, M. Pripstein, J. Rasson, B. Ratch8 R. Reg C. Renard, L. Roos, E. Roussot, X Sarazin, M.-H. Schune, J . Schwiening, S. Sen, VSheldov, M. Sokolofi H. Stuengle, P Stiles, R. Stone, Ch. Thiebaux, K. Truong, W Toki, G. Vasileiadis, G. Vasseur; J. Va’vra, M. Verderi, S. Wrsille, D. Warner; 1: Weber; Tl? Weber; W Wenzel, R. Wilson, G. Wormser; Ch. Yeche, S. Ellin, B. Zhang and M. Zit0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCINTILLATORS

Light Yield Nonproportionality of CsI(Tl), CsI(Na), and YAP W Mengesha, TD. Taulbee, B.D. Roonq and J.D. Valentine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Prospects for Dense, Infrared Emitting Scintillators WW Moses, M.J. Weber; S.E. Derenzo, D. Peny, I! Berdahl and L A . Boatner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Study of Small and Large Size LuA103:Ce3+ C. Dujardin, C. Pedrini, W Blanc, J. C. Gacon, J. C. van? Spijkel; 0. WV Frijns, C. WE. van E@, P Dorenbos, R. Chen, A. Fremout, I;: TallouJ S. Tavemier; I! Bruyndonckx and A. G. Petrosyan . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Energy Resolution of Scintillation Detectors Readout with Large Area Avalanche Photodiodes and Photomultipliers M. Moszynski, M. Kapusta, D. Wolski, M. Szawlowski and W Klamra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

Investigation of GSO, LSO, YSO Scintillators Using Reverse Avalanche Photodiodes R Lecomte, C. Pepin, D. Rouleau, A. Saoudi, M.S. Andreaco, M. Casq, R. Nutt, H. Dautet and P f? Webb . . . . . . . . . 478

Performances of a Silicon Drift Chamber as Fast Scintillator Photodetector for Gamma-Ray Spectroscopy C. Fiorini, l? Perotti and C. Labanti . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483

High Spatial Resolution Gamma Imaging Detector Based on a 5” Diameter R3292 Hamamatsu PSPMT R. Wojcik S. Majewski, B. Kross, D. Steinbach andA.G Weisenberger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487

Structured CsI(T1) Scintillators for X-ray Imaging Applications W Nagarkar; T.K. Gupta, S. R. Millel; Y Klugerman, M. R. Squillante and G. Entine ........................... 492

Cylindrical Scintillation Proportional Counter with WLS Fiber Readout D.Yu. Akimov, A.A. Burenkov, KA? Kuzichev, VL. Morgunov and VN. Solovov ............................... 497

Realisation of a Small-Size High Resolution Linear Neutron Scintillation Detector R. Engels, E. Jansen, R. Reinartz, P Reinhart, W Schaefer and J. Schelten ................................... 502

Scintillation in LiBaF,(Ce) Crystals A. Gektin, A? Shiran, A. Voloshinovski, V Voronova and G. Zimmerer ...................................... 505

Scintillating Detectors for Low Intensity Ion Beam Monitoring I? Finocchiaro, A. Amato, G. Ciavola, G. Cuttone, M. Gu, G. Raia and A. Rovelli ............................. 508

The Light Yield Nonproportionality Component of Scintillator Energy Resolution J.D. Elentine, B.D. Rooney and J. Li . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512

Scintillation Performance of Large Ce-doped Gd2Si05 (GSO) Single Crystal H. Ishibashi, K. Kurashige, Y Kurata, K. Susa, M. Kobayashi, M. Tanaka, K. Hara and M. Ishii . . . . . . . . . . . . . . . . . . 518

Surface Polishing of GSO Scintillator Using Chemical Process K. Kurashige, Y: Kurata, H. Ishibashi and K. Susa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522

Deposition of Scintillating Layers of Bismuth Germanate (BGO) Films for X-Ray Detector Applications M. Duan, C. Frojdh, G. Thungstrom, L. TV Wang, J. Linnros and C.S.Petersson ............................... 525

Large Volume CsI(T1) Scintillators for Exotic Particle Search in 90Zr S. Kobayashi and H. Tsuchiyama . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528

RADIATION DETECTORS

A Portable Swipe Monitor for Alpha Contamination C.R. Whitley, J.A. Bounds, PA. Steadman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533

Development of a Silicon Carbide Radiation Detector EH. Ruddy, A.R. Dulloo, J.G. Seidel, S. Seshadri and L.B. Rowland ........................................ 536

Study of Bialkali Photocathodes Below Room Temperature in the UV/VUV Region H.M. Araujo, W u . Chepel, M.I. Lopes, J. van der Marel, R. Ferreira Marques and A.J.PL.Policarpo . . . . . . . . . . . . . . 542

Accurate Determination of Thermal Neutron Flux via Cryogenic Calorimetry J.M. Richardson, WM. Snow, Z. Chowdhuri and G.L. Greene ............................................. 550

Application of Red and Near Infrared Emission from Rare Earth Ions for Radiation Measurements Based on Optical Fibers E. Takada, E: Hosono, I: Kakuta, M. Yamazaki, H. Takahashi and M. Nakazawa ............................. 556

Pulse Shape Analysis in the Liquid Xenon Multiwire Ionisation Chamber for PET I? Crespo, K Chepel, M.I. Lopes, L. Janeiro, R. Ferreira Marques and A.J.PL. Policaipo ........................ 561

Development of a Micro Array Type Electron Multiplier J. Kawarabayashi, D. Fukuda, H. Takahashi, T. Iguchi, M. Nakazawa, A. Takahashi, R. Tokue, Y: Hirata and 7: Numazawa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568

A Hybrid Photodetector (HPD) with a 111-V Photocathode M. Suyama, K. Hirano, Y Kawai, I: Nagai, A. Kibune, I: Saito, Y Negi, N Asakura, S. Muramatsu and 7: Morita . . . 572

Comparative Study of Silicon Detectors C.PAllier; H. k l k , J . Huizenga, KR. Bom, R. W Hollander and C. KE. van Eijk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576

Fabrication of a Nuclear Radiation Detector Using the PbIz Crystal and its Response Characteristics for Gamma-rays I: Shoji, K. Hitomi, I: Tiba, I: Suehiro and YIIiratate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581

RADIATION DAMAGE EFFECTS

Investigation of Epitaxial Silicon Layers as a Material for Radiation Hardened Silicon Detectors Z. Li, KEremin, I. Ilyashenko, A. Ivanov and E. Verbitskaya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585

Micro-Inhomogeneity Effects and Radiation Damage in Semi-Insulating GaAs Radiation Detectors R. Bates, R. Didziulis, K Kazukauskas, K 0 'Shea, C. Raine, K Rinkevicius, K.M. Smith, J . Storusta and K Vaitkus . . . 591

A Comparative Study of IIeavily Irradiated Silicon and non Irradiated SI LEC GaAs Detectors U Biggeri, E. Borchi, M. Bruzzi, KEremin, C. Leroy, Z. Li, D. Menichelli, S. Pirollo, S. Sciortino and E. Verbitskaya 597

TCAD-Based Analysis of Radiation-Hardness in Silicon Detectors D. Passeri, M. Baroncini, P Ciampolini, G.M. Bilei, A. Santocchia, B. Checcucci and E. Fiandrini . . . . . . . . . . . . . . . 602

Analysis of Uniformity of as Prepared and Irradiated S.I. GaAs Radiation Detectors E Nava, E! Vanni, C. Canali, G. Apostolo, C. Manfredotti, E! Polesello and E. Vittone .......................... 609

Electric Field in Thin Dielectric Slabs Irradiated by Electrons E Alouani Bibi, VT. Lazurik, Yu. K Rogov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617

Studies of Ionizing Radiation Effects on STAR Silicon Drift Detectors R. Bellwicd, R. Beuttenmuller; W Chen, D. DiMassimo, H. Dyke, A. French, J . R. Hall, G. W HofSmann, TJ Humanic, I. K Kotov, H. W Kranei; 2. Li, C.J. Liaw, J. Lopez, D. Lynn, KL. Rykov, S. U Pandq, C. Pruneau, J. Schambach, J. Sedlmeil; E. Sugarbakel; J . Takahashi and WK. Wilson . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623

Average Depths of Electron Penetration: Use as Characteristic Depths of Exposure K Lazurik, KMoskvin and I: Tabata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Radiation Damage Analysis of Neutron Irradiated Double Sided Wedge Microstrip Silicon Detector E. Borchi, M. Bruzzi, E. Catacchini, R. D'Alessandro and G. Parrini . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

626

632

A Method for Comparing Degradation of Boron Trifluoride and Helium Detectors in Neutron and Gamma Fields T Qian, I!! Tonne5 N . Keller and KJL. Buyers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 636

PARTICLE ID FOR HIGH ENERGY AND NUCLEAR PHYSICS

Status of Construction and First Tests of the CLEO I11 RICH M. Artuso, l? A f a r ; A. Efmov, S. Kopp, R. Mountain, S. Schuh, T Skwarnicki, S. Stone, G. Viehhauser; S. Anderson, A. Smith, E: Kubota, E. Lipeles, 7: Coan, J. Staeck, K Fadeyev, I. Volobouev and J. Ye .......................... 643

The Performance of the Barrel CRID at the SLD; Long-Term Operational Experience K. Abe, KAshford, D. Aston, 1: Bienz, K. Baird, E Bird, M. Cavalli-Sforza, J. Colle< P Coyle, D. Coyne, S. Dasu, W Dunwoodie, M. Dima, G. Hallewell, Y Hasegawa, Y Iwasaki, M. Kalelkal; H. Kawahara, D. M.iG.S. Leith, A. Lu,

B. Meadows, D. Mullel; M. McCulloch, D. McShurley, 'I: Nagamine, S. Nanta, TJ. Pavel, R. Plano, B. Ratclifi R. Reg J? Rensing, M. SchneideG D. Schultz, H. Staengle, El Stamel; S. Shapiro, H. Shaw, C. Simopoulos, J? Stiles, N. Toge, G. Oxoby, J. Va'vra, T Weber; J.S. Whitaker; R.J. Wilson, S.H. Williams, S. Willocq, D. Williams, S. Ellin andH.Yuta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 648

DIRC, the Internally Reflecting Ring Imaging Cherenkov Detector for BABAR I. Adam, R. Aleksan, D. Aston, E! Badly, C. Beigbedel; M. Benayoun, M. Benkebil, G. Bonneaud, D. Breton, H. Briand, D. Brown, Ph. Bourgeois, J. Chauveau, R. Cizeron, J. Cohen-Tanugi, M. Convey, I? David, C. de la Vaissiere, A. de Lesquen, L. del Buono, G.Fouque, A. Gaidot, E: Gastaldi, J.-I? Genat, L. Gosset, D. Hale, G. Hamel de Monchenault, 0. Hamon, R. Kadel, J. Kadyk, M. Karolak, H. Kawahara, H. Ihegeq H. Lebbolo, I?H. Leruste, E:Le Diberdel; G. London, M. Long, J. Loiy, A. Lu, A.-M. Lutz, G. Lynch, M. McCulloch, D. McShurley, R. Malchow, El Matricon, B. Mayel; B. Meadows, 1-L. Narjoux, J.-M. Noppe, D. Oshatz, G. Oxoby, R. Plano, S. Plaszczynski, M. Pripstein, J. Rasson, B. RatclifJS R. Rei$ C. Renard, L. Roos, E. Roussot, X. Sarazin, M.-H. Schune, J. Schwiening, S. Sen, KShelkov, M. Sokolofi H. Staengle, I? Stiles, R. Stone, Ch. Thiebaux, K. Truong, W Toki, G. Vasileiadis, G. Vasseul; J. Va'vra, M. Wrderi, S. Wrsille, D. Wamel; T Webel; T.E Webel; W Wenzel, R. Wilson, G. Worrnsel; Ch. Yeche, S. Ellin, B. Zhang, and M. Zit0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 657

The Time Of Flight Wall for the HADES Spectrometer C. Agodi, A. Bassi, R. Bassini, G. Bellia, M. Benovic, C. Boiano, S. Brambilla, R. Coniglione, L.Cosentino, El Finocchiar0,S. Hlavac, I. Ion, A. Kuglel; C. Maiolino, 7: Marek, E. Migneco, I? Piattelli, R. Pleskac, N Rabin, El Sapienza, El Shishov, K Smoliankin, A. Taranenko, A. Tikhonov, El Tlusty, I. Tuno, K Ushakov, D. Vassiliev andS. Vladimirov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665

Measurement of Electron Beam Polarization from the Energy Asymmetry of Compton Scattered Photons R.C. Field, R. Frey, M. Woods, A. Arodzero and J. Zhou . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670

Heavy Ion Response of Amorphous Silicon Transmission Detectors for Particle Identification M. Amman, L. Beaulieu, WS. Hong, L. Phail; J.T. Walton and G.J. Wozniak ................................. 676

CALORIMETRY FOR HIGH ENERGY AND NUCLEAR PHYSICS

Detection of Monochromatic Photons Between 50 and 790 MeV With a PbW04-Scintillator Array K. Mengel, R. Novotny, R. Beck, W Doring, KMetag and H. Stroher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681

A Study on the Radiation Hardness of Lead Tungstate Crystals R.Y Zhu, Q. Deng, H. Newman, C.L. Woody, J.A. Kierstead and XI? Stoll ................................... 686

The PHENIX Lead-Scintillator Electromagnetic Calorimeter: Test Beam and Construction Experience G. David, Y Goto, E. Kistenev, S. Stoll, S. White, C. Wood3 A. Bazilevsky, S. Belikov, S. Chemichenkov, A. Denisov, K Kochetkov, Y Melnikov, K Onuchin, K Semenov , K Shelikhov, A. Soldatov and A. Usachev . . . . . . . . . . . . . . . . . . . 692

Development of New Scintillator and Waveshifter Materials J. Marchant, B. Baumbaugh, A. Gerig, C. Hurlbut, J. KaufSman, A. Pla-Dalmau, K. Reynolds, R. Ruchti, J. Warchol, M. Wayne and H. Zheng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 698

The Calibration and Monitoring System for the PHENIX Lead-Scintillator Electromagnetic Calorimeter G. David, E. Kistenev, S. Stoll, S. White, C. Woody, A. Bazilevsb, S. Belikov, S. Chemichenkov, A. Denisov, Yu. Gilitzky, K Kochetkov, E: Melnikov, K Onuchin, A. Semenov, K Shelikhov and A. Soldatov . . . . . . . . . . . . . . . . . . . 705

OTHER INSTRUMENTATION FOR HIGH ENERGY AND NUCLEAR PHYSICS

A Novel Method for Determining Pulse Counting Circuitry Dead Time using the Nuclear Weapons Inspection System M.J. Paulus, IT. Mihalczo, T.E. Elentine, J.A. Mullens, J.E. Breeding, T. Uckan, J. Mattingly, G. Turner; M.C. Smith andJ.A.McEvers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710

SOLID STATE DEVICES

Modelling and Fabrication of Geiger mode Avalanche Photodiodes WJ. Kindt and H. W van Zeijl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715

Photon Detection with High Gain Avalanche Photodiode Arrays S. Vasile, e Gothoskar; R. Farrell and D. Sdrulla . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 720

Micro Strip X-ray Detector with a Very High Dynamic Range based on LPE-GaAs A. Kaluza, 7: Ohms, C. Rente, R. Engels, R. Reinartz and H. Luth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 724

ANALOG & DIGITAL CIRCUITS

Performance of the Variable Weighting Function Pulse Processor M. Kuwata, NO Saito, H. Maeda, T Minami, T Watanabe, K. Husimi and S. Ohkawa .......................... 728

XPS: A Multi-Channel Preamplifier-Shaper IC for X-Ray Spectroscopy B. fiegel; I. Kipnis and B. Ludewigt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 732

Time Memory Cell VLSI for the PHENIX Drift Chamber E: Arai, M. Ikeno, M. Sagara and ir: Emura . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.35

A CMOS Integrated Timing Discriminator Circuit for Fast Scintillation Counters M. W Jochmann . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 740

Pixel Detector Readout Electronics with Two-Level Discriminator Scheme E Pengg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745

A Readout Chip for a 64 x 64 Pixel Matrix with 15-bit Single Photon Counting M. Campbell, E.H.M. Heijne, G. Meddeler; E. Pemigotti and W Snoeys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 751

TGLD: A 16-Channel Charge Readout Chip for the PHENIX Pad Chamber Detector Subsystem at RHIC WL. Bryan, U. Jagadish, C.L. Bntton, S.S. Frank, M.N. Ericson, M.L. Simpson, G.R. Young, L.G. Clonts, R.S. Smith, A. Oskarsson, 7: Mark, E. Obnen and K Greene . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754

A CMOS Integrating Amplifier for the PHENIX Ring Imaging Cherenkov Detector A.L. Wintenbeig, C.G. Moscone, J.P Jones, and G.R. Young . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758

A Large Dynamic Range Front-End Integrated Circuit for Avalanche Photodiodes J.Ditta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 764

Electronics of the Luminosity Monitor of the CMD-2 Detector Yu. KYudin, R.R. Akhmetshin, D.N Grigonev, I.B. Logashenko, KS. Letunov and VI? Smakhtin . . . . . . . . . . . . . . . . 768

A High-speed and High-Precision Winner-Select-Output (WSO) ASIC H.Yu,R.S.MiyaokaandT.K.Lewellen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 772

A Photomultiplier High-Voltage Power Supply Incorporating a Ceramic Transformer Driven by Frequency Modulation M. Imon, T Taniguchi and H. Matsumoto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 777

An Electronic Detector Simulator for Testing Position, Energy, and Timing Spectral Performance of Detector Electronics D.M. Binkley and J. W Young . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 782

Biasing Scheme for AC Coupled Strip Detectors KT. Jordanov, J.R. Macri and M.L. Mayer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Parallel Analog Signal Processing Unit Based on Radial Basis Function Networks G. Cancel0 and M. Mayosky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A CMOS High Voltage Controller Integrated Circuit G. Blanar and R. Sumner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Self Calibrating High Resolution Common Stop Time Digitizer Circuit G. Blanar and R. Sumner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bipolar Pulsed Reset for AC Coupled Charge-Sensitive Preamplifiers D.A. Landis, N W Madden and ES. Goulding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TRIGGERS FOR HIGH ENERGY AND NUCLEAR PHYSICS

Concept, Design and Performance of the Second Level Triggers of the H1 Detector T Nicholls, M. Charlet, J. Coughlan, E. Elsen, D. HofSmann, H. Krehbiel, H.-C. Schultz-Coulon, J. Schutt and E: Sejkow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The DISTO First Level Trigger of at SATURNE E Balestra, Y BedfeG R. Bertini, L.C. Bland, A. Brenschede, E Brochard, M.I? Bussa, S. Choi, M. Debowski, M, Dzemidzic, J. CI. Faivre, L. Fava, L. Ferrero, J. Fo yciarz, K Frolov, R. Ga fagnini, D. Gill, A. Grasso, S. Heinz, WW Jacobs, W Kuhn, A. Maggiora, M. Maggiora, A. Manara, D. Panzieri, H. Pfaa G.B. Pontecowo, A. Popov, J. Ritman, E! Salabura, J. Stroth, K Tchalyshev, E: Tosello, S.E. Vigdor and G. Zosi .............................

DATA ACQUISITION AND ANALYSIS SYSTEMS

TTC Distribution for LHC Detectors B.G. Taylor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-bit CMOS Optical Link System for Silicon Vertex Detcctor of BELLE K. Sato, T Uchiyama, H. Majima, M. Nakajima, M. Inoue, J. Yamanaka, Ir: Saitoh, S. Miyahara, M. Kamiya, H. Ikeda, M. Tanaka, T Matsuda and E: Yamada .......................................................

Front-End Module Readout and Control Electronics for the PHENIX Multiplicity Vertex Detector M.N Ericson, M.D. Allen, J. Boissevain, C.L. Britton, Jr, M.S. Emery, S.E Hahn, J.S. Kapustinsky, R.E. Lind, M.S. Musroch; J. Simon-Gillo, D.E. Smith, J.I? Sullivan, H. Van Hecke, G.R. Young and M.C. Smith . . . . . . . . . . . . .

A Scintillation Detector Signal Pro‘cessing Technique with Active Pileup Prevention for Extending Scintillation Count Rates W-H. Wong and H. Li . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Digital Spectrometer for ‘Optimum’ Pulse Processing A. Fazzi and K Varoli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A Flexible Compatible PCI Interface for Nuclear Experiments H. Saleh, R. Engels, R. Reinartz, E! Reinhart and E: Rongen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

An Overall MWPC-Readout System Based on Chamber Mounted ASICs W Ewen, K. Zwoll, H. Langenhund, H. R. Koch and H. Junghans ..........................................

A 32 Channel TDC on a VME Board R. Bassini, C. Boiano, S. Bvambilla, C. Cawiero and M. Malatesta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

787

792

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801

805

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817

821

829

833

838

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849

852

858

A Data Acquisition System for Silicon Microstrip Detectors 0. Adriani, G. Castellini, C. Civinini, R. Djllessandro, M. Meschini and M. Pieri ............................. 864

The DISTO Data Acquisition System at SATURNE E Balestra, Y Bedfei; R. Bertini, L.C. Bland, A. Brenschede, E Brochard, M.l? Bussa, S. Choi, M. Debowski, M. Dzemidzic, I. Falomkin, J. Cl, Faivre, L. Fava, L. Ferrero, J. Foryciarz, K Froloy R. Garfagnini, D. Gill, A. Grasso, E. Grosse, KK Jacobs, u! Kuhn, A. Maggiora, M. Maggiora, A. Manara, D. Panzieri, H. PfaE 6. Piragino, G.B. Fontecowo, A. Popov, J. Ritman, El Salabura, Tc Tchalyshev, E Tosello, S.E. Vigdor and6.Zosi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 868

FAIR: A New Fast Trigger and Readout Bus System A. Ordine, A. Boiano, E. krdaci, A. Zaghi and A. Brondi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 873

SPACE & ASTROPHYSICS INSTRUMENTATION

The Lunar Prospector Discovery Mission: Mission and Measurement Description G.S. Hubbard, A.B. Binder and W. Feldman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880

Development of a Phoswich Detector to Detect Neutrons and Charged Particles for Space Application M. Takuda, S. Taniguchi, I: Nakamura and K. Fujitaka . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monte Carlo Simulation of Induced Radioactive Background in Gamma-Ray Detector Materials l?R. Tmscott, H. E. Evans, C. S. Dyer; M. Cosby, FIR. Knight and C. E. Moss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Depletion Depth of High Resistivity X-ray CCDs G. Prigozhin, K. Gendreau, M. Bautz, B. Burke and G. Ricker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Development of a Hard X-Ray Polarimeter for Solar Flares and Gamma-Ray Bursts M.L. McConnell, D.J. Forrest, J. Macri, M. McClish, M. Osgood, J.M. Ryan, TI: Vestrand and C. Zanes . . . . . . . . . .

Direct Measurements of the Sub-pixel Level of the X-ray Detection Efficiency of the CCD on Board the ASCA Satellite K. Yoshita, H. Tsunemi, K. C. Gendreau, G. Pennington and M. u! Bautz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The OpticaliUV Filters for the EPIC Experiment G.E. Villa, M. Barbera, A. Collura, N La Palombara, C. Musso, S. Serio, R. Stillwell, I! Tognofi and D.C. Turner . . .

An Amplifier-Discriminator Chip for the GLAST Silicon-Strip Tracker R.El Johnson, El Poplevin, H.E-W Sadrozinski and E.N Spencer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A 36 cm2 Monolithic pn-CCD for X-ray Detection on the XMM and ABRIXAS Satellites I! Holl, E. Bihler; H. Brauninger; U. Briel, R. Hartmann, G. Hartneq D. Ha@, J. Kemmeq E. Kendzioira, N. Krause, El Lechnel; B. Maier; N Meidingec E. Ffeffermann, B. Pjlugeer; M. Popp, C. Reppin, R.H. Richter; H. Soltau, D. Stotter; L. Struder; J. Trumper and C.V. Zanthier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CQMPTON SCATTERING IMAGING

Compton Scatter Imaging in Astrophysics J.D.Kurfess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-SPRINT: A Prototype Compton Camera System For Low Energy Gamma Ray Imaging J. W LeBlanc, NH. Clinthome, C-H. Hua, E. Nygard, NL. Rogers, D.K. Wehe, l? Weilhammer and S.J. Wilderman . .

Nondestructive Inspection Using Compton Scattering Tomography B. L. Evans, J. E. Martin, L. V? Burggraf and M. C. Roggemann . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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927

93 1

936

943

950

Fast Algorithm’for List Mode Back-Projection of Compton Scatter Camera Data S.J. Wilderman, WL. Rogers, G.E Knoll and J.C. Engdahl ................................................ 957

Design and Modeling of the Hybrid Portable Gamma Camera System L.E. Smith, Z. He, D.K. Wehe, G.l? Kit011 and S.J. Wilderman ............................................. 963

One-sided Imaging of Large, Dense Objects Using 511-keV Photons from Induced Pair Production L.M.N. Tavora, R.E. Morgado, R.J. Estep, M. Rawool-Sullivan, WB. Gilboy and E.J. Morton . . . . . . . . . . . . . . . . . . . 970

ENVIRONMENTAL HEALTH AND SAFETY INSTRUMENTATION

Whole Body Personnel Monitoring via Ionization Detection J.E. Kosteq J.A. Bounds, l?L. Ken; PA. Steadman and C.R. Whitley ........................................ 976

Electronic Dose Conversion Technique Using a NaI(Tl) Detector for Assessment of Exposure Dose Rate from Environmental Radiation G. Cho, H.K. Kim, H. Woo, G. Oh and D.K. Ha . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 981

NUCLEAR MEASUREMENTS AND MONITORING TECHNIQUES

Surface Activity and Dose Rate Inside 4-th Reactor Hall of Chernobyl NPP A. V Chesnokov, VI. Fedin, A.A. Gulyaev, VA? Potapov, S. V Smimov, S. B. Shcherbak, L. I. Urutskoev and A.G. Volkovich . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 986

Penumbral Imaging of Laser-Imploded Targets and Its Blind Reconstruction Y-WChen,R.KodamaandZ.Nakao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 992

NUCLEAR WELL LOGGING

Spectral Shape Analysis for Contaminant Logging at the Hanford Site R. D. Wilson, C.J. Koizumi, J. Meisner and D. C. Stromswold ............................................... 997

ACCELERATOR POWER TECHNOLOGY

Optimizing Coupling in Biperiodic Accelerating Structures D. K Kostin, A.l? Salakhutdinov, VI. Shvedunov, N.P Sobenin and Wl? Power ................................ 1002

Design of a Compact Race-Track Microtron Source VI. Shvedunov, E A . fiapp, AA. Alimov and Wl? Trower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1006

PLANT MODERNIZATION & COST EFFECTIVENESS

Evaluation of Surveillance Test Interval from Risk Viewpoint H.P Chou, YH. Wang, YS. Wei and T.J. Lin ........................................................... 1009

MEADEP and Its Application in Dependability Analysis for a Nuclear Power Plant Safety System D. Tang, M. Hecht, X. A n and R. Brill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1014

NUCLEAR SAFEGUARDS TECHNOLOGY & ISSUES

A Method for Correcting NaI Spectra for Attenuation Losses in Hand-Held Instrument Applications R.J. Estep, M. Rawool-Sullivan and D. Miko . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1022

A Portable Gamma-Ray Spectrometer Using Compressed Xenon G.J.Mah1er; B. Yu, G.C. Smith, WR. Kane andJ.R. Lemley ............................................... 1029

NUCLEAR DISARMAMENT TECHNOLOGY & ISSUES

Automated Aerosol Sampling and Analysis for the Comprehensive Test Ban Treaty H.S. Miley, S.M. Bowyec C. W Hubbard, A.D. McKinnon, R. W Perlnns, R.C. Thompson and R A

NUCLEAR POWER SYSTEMS

Thermal-Hydraulic Analysis for the Upgraded MIT Nuclear Research Reactor L. IK Hu and J.A. Bemard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wamer . . . . . . . . . 1034

. . . . . . . . . . . . . . . . 1040

Conference Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Follows page 1044