21st International Cosmic RayConference

CONFERENCE PAPERS

Volume 10

(HE Sessions)

Edited by R.J. Protheroe

TFC5 iM!*CHE

INFORM A"nOJSr;-,?;Si,:OTHEK^

XXIICRC

m[ 6-19 JanuaryW 1990

Adelaide,v Australia

1990

Department of Physics and Mathematical PhysicsThe University of Adelaide, Australia

UB/TIB Hannover

115.321.861...

89

CONTENTS: VOLUME 10

HE 5: Neutrinos

5.1 Low energy and oscillations

HE 5.1-1 Atmospheric Neutrino Flux and Neutrino Oscillations I 1

Hldaka K, Honda M, Kasahara K, Midorikawa S

HE 5.1-2 Atmospheric Neutrino Flux and Neutrino Oscillations II 2

Hidaka K, Honda M, Kasahara K, Midorikawa S

HE 5.1-3 Neutrino Interaction Inside the KGF Proton Decay 3

Detectors

Adarkar H, Dugad S R, Krishnaswamy M R, Menon M G K,Mondal N K, Narasiraham V S, Sreekantan B V, HayashiV, I to N, Kawakami S, Nakamura T, Tanaka K, Miyake S

HE 5.1-4 Particle Identification in 1MB 3 4

Ajaltouni Z J, Becker-Szendy R, Bratton C B, Casper

D, Claus R, Crouch M, Dye S T, Errede S, Gajewski W,Goldhaber M, Haines T J, Kielczewska D, Kropp W R,Learned J G, LoSecco J M, Matsuno S, McGrew C, Price

L R, Reines F, Schultz J, Sobel H W, Sulak L, Svoboda

R, Wittel F

HE 5.1-5 Energy Spectra of Low Energy Atmospheric Neutrinos 8

and Neutrino Oscillation Hypothesis

Bugaev E V, Naumov V A

HE 5.1-7 Neutrino Oscillations and Upward Atmospheric Neutrino 11

Flux

Hinorikawa Y, Mitsui K

HE 5,1-8 A Possible Influence of Three-Neutrino Oscillations 12

in the Earth on the Fluxes of Atmospheric Neutrinos

Krastev P I

HE 5.1-9 The Energy Spectra of Atmospheric Neutrinos at Low 16

Energies

Cheung T, Young E C M

HE 5.1-11 A Comparison of Observed (by Baksan Underground 20

Scintillation Telescope) and Expected Neutrino

Induced Muon Fluxes

Boliev M M, Butkevich A V, Chudakov A E, MIkheyev S P,

Skarzhinskaya N V, Zakidyshev V N

CONTENTS: VOLUME 10

HE 5: Neutrinos

5.2 High energy and neutrino astronomy

HE 5.2-1 Search for High Energy Neutrinos from Celestial

Sources at Kolar Gold Fields

Adarkar H, Dugad S R, Krishnaswamy M R, Menon M G K,

Mondal N K, Narasimham V S, Sreekantan B V, Hayashi

Y, Ito N, Kawakami S, Nakamura T, Tanaka K, Mlyake S

HE'5.2-2 Study of Neutrino-Induced Muon Events in the 1MB

Detector

Ajaltouni Z J, Becker-Szendy R, Bratton C B, Casper

D, Dye S T, Gajewski U, Goldhaber M, Haines T J,

Jones T, Kielczewska D, Kropp W R, Learned J G,

LoSecco J M, Matsuno S, McGrew C, Mudan M, Price L R,

Reines F, Schulcz J, Sobel H U, Stone J, Sulak L R,

Svoboda R, Wittel F

HE 5.2-3 Analytical Estimate of Neutrino and Neutrino Induced

Muon Fluxes in Deep underground

Bhattacharyya DP, Pal P

HE 5.2-4 The High Energy Atmospheric Neutrino Background

Grieder P K F

HE 5.2-5 The Lateral Distribution of Muons From High EnergyNeutrino in Rock

Goncharov A I, Kolchuzhkin A M, Lagutin A A

HE 5.2-7 New Limits on the Flux of Deeply Penetrating

Particles at the Fly's Eye

Corbatd S C, Dawson B R, Fick B E, Kieda D B, Ko S,

Loh E C, Salamon M H, Smith J, Somraers P, Sokolsky P,

Thomas S B, Wheeler B

HE 5.2-9 On Registration of Cosmological Neutrino in Large

Underwater Detectors

Bugaev E V, Osipova E A

HE 5.2-10 A Search for Stellar Collapse and a Search for Time

Correlated Signals from SN 1987A

Becker-Szendy R, Bratton C B, Casper D, Dye S,

Gajewski W, Goldhaber M, Haines T, Jones T,

Kielczewska D, Kropp W, Learned J, LoSecco J, Matsuno

S, McGrew C, Mudan M, Price L, Reines F, Schultz J,

Sobel H, Sulak L, Svoboda R, Wittel F

CONTENTS: VOLUME 10

HE 5.2-11 Mtiiisui-eiiK-nrs of Very Low Energy Particles (K > 0.8 44

MeV) with the LSD Detector of the Moni. IHano

Laboratory

Aglietta M, Badino G, Bologna G, Castagnoli C,

Castellina A, Dadykyn V L, Fulgione W, Galeotti P,

Kalchukov F F, Kortchaguin V B, Kortchaguin P V,

Malguin A S, Ryassny V G, Ryazhskaya 0 G, Saavedra 0,Talockin V P, Trinchero G, Vernetto S, Zatsepin G T,

Yakushev V F

HE 5.2-12 Measurements of the Neutrino Flux from Diffuse 48

Sources with LSD Experiment at Mt. Blanc Laboratory

Aglietta M, Badino G, Bologna G, Castagnoli C,

Castellina A, Dadykin V L, Fulgione H, Galeotti P,

Kalchukov F F, Kortchaguin V B, Kortchaguin P V,

Malguin A S, Ryassny V G, Ryazskaya 0 G, Saavedra 0,

Talockin V P, Trinchero G, Vernetto S, Zatsepin G T,

Yakushev V F ...

HE 5.2-13 Neutrino Magnetic Moment Induced by Torsion and 51

Consequences for Supernova Neutrinos

de Sabbata V, Sivaram C

HE 5.2-14 The Tau Neutrino Mass Obtained from Recent Cosmic Data 54

Muraki Y

HE 5.2-16 High Energy Neutrino Emissions from Astrophysical 58

Objects

Protheroe R J, Szabo A P

HE 5: Neutrinos

5.3 Miscellaneous

HE 5.3-2 The GRANDE Detector 59

The GRANDE Collaboration

Adams A, Bond R, Bratton C B, Burnett T, Chaloupka V,

Cherry M, Coleman L, Ellison S B, Gaidos J, Goodman

J, Gurr H, Guzik T G, Haines T J, Kielczewska D,

Kropp W, Lane C, Lieber M, Loeffler F, Nagle D,

Nelson M, Potter M, Price L R, Reines F, Rollefson A,Schultz J, Sembroski G, Sobel H, Steinberg R, Svoboda

R, Tripp R, Wefel J, Wilkes R J, Wilson C, Wold D,

Yodh G

HE 5.3-3 Neutrino Physics with the GRANDE Experiment 63

GRANDE Collaboration

<See HE 5.3-2 for author list.)

viii

CONTENTS: VOLUME 10

HE 5.3-4 The Moon Surface as Target for KadlodoLcct'or of 67

Superhigh Energy Neutrinos, NucIcons and Nuclei

Dagkesamansky R D, Zheloznykh 1 M

HE 5.3-5 Will GRANDE See Cosmic Neutrinos? - Scaling From UHE 71

Gamma Rays

GRANDE Collaboration

(See HE 5.3-2 for author list.)

HE 6: New particles and processes

6.1 New particles

HE 6.1-1 A Search for Magnetic Monopoles with the MACRO 75

Detector at Gran Sasso

MACRO Collaboration

(See HE 7.2-11 for author list.)

HE 6.1-2 A Search Experiment for Slow Moving Monopoles 79

(.0 £ 2x10"'') Using Helium Proportional Counters Array

Hara T, Hayashida N, Honda M, Ishikawa F, Kamata K,Kifune T, Matsubara Y, Mori M, Ohno Y, Ohoka H

HE 6.1-3 A Search for Superheavy Magnetic Monopole by Baksan 83

Underground Scintillation Telescope

Alexeyev E N, Boliev M M, Chudakov A E, Mikheyev S P

HE 6.1-4 Supermassive Magnetic Monopoles from the Oldest Mica 84

Samples

Ghosh D, Haider S

HE 6.1-5 Magnetic Monopole Flux Limits from Catalysis of 87

Nucleon Decay

Stone J L, Ajaltouni Z J, Becker-Szendy R, Casper D,

Claus R, Dye S T, Errede S, Gajewski W, Goldhaber M,

Jones T W, Learned J G, LoSecco J M, Matsuno S,

McGrew C, Mudan M, Reines F, Sulak L R, Wittel F

HE 6.1-6 Detecting Super-Heavy, Super-Slow Particles with TL 91

Sheets

Takahashi N, Kawaguchi S, Uada T, Nakasuga Y,

Katayama T, Miyai H, Yamashita Y, Yamamoto I, Misaki

A, Saavedra 0

CONTENTS: VOLUME 10

HE 6.1-7 Kolar Gold Field Monopole Experiment 95

Adarkar H, Dugad S R, Krishnaswamy M R, Menon M G K,

Mondal N K, Narasimham V S, Sreekantan B V, HaynshiY, Ito N, Kawakami S, Nakamura T, Tanaka K, Miyake S

HE 6.1-8 Massive Long Lived Particles Observed at Kolar Gold 99

Field

Adarkar H, Dugad S R, Krishnaswamy M R, Menon M G K,

Mondal N K, Narasimham V S, Sreekantan B V, HayashiY, Ito N, Kawakami S, Nakamura T, Tanaka K, Miyake S

HE 6,1-9 Search for Heavy Particles in Cosmic Rays at Mountain 102

Level

Bashindzhagyan G L, Kuztetsov E N, Ladygin V P, Savin

A A, Sarycheva L I, Sinev N B, Voronin A G, Eganov V S,

Mamidzhanyan E A

HE 6.1-10 A Measurement of Heavy Cosmic Rays at Sea Level Using 105

a Mass Spectrometer

Higashi S, Kato Y, Maruyama A, Shimonaka J, Takahashi

T, Teramoto Y, Takasaki F

HE 6.1-13 Search for Dark Matter with 1MB 1 109

Ajaltouni Z J, Becker-Szendy R, Casper D, Claus R,

Crouch M, Dye S T, Errede S, Gajewski W, Goldhaber M,

Kielczewska D, Learned J G, LoSecco J M, Matsuno S,

McGrew C, Reines F, Stone J L, Sulak L, Wittel F

HE 6.1-14 Discovery of Strange Particles in Cosmic Rays 113

Dorman I V

HE 6.1-15 Search for <4/3)e Particles with the Improved 117

Okayama Telescope

Wada T, Miyai H, Katayama T, Tsuruda M, Yamashita Y,

Yamamoto I, Nakamura M, Tomiyaroa T

HE 6.1-16 Candidate of Strange Quark Matter in the Cosmic 121

Radiation

Saito T

HE 6.1-17 Search of Objects Consisting of Strange Quark Matter 122

in Experiment on Baikal

Bezrukov L B, Budnev N M, Bugaev E V, Galperin M D,

Domogatsky G V, Doroshenko A A, Kuzmichev L A,Parfenov Yu V, Sokalsky I A

CONTENTS: VOLUME 10

HE 6' New particles and processes

6.2 New processes

HE 6,2-1 Altitude Variation of High Energy Cosmic Rays and 126

Exotic Phenomena

Brasil-Japan Collaboration

Chinellato J A, Dobrigkeit C, Bellandi Filho J, Fauth

A C, Lattes C M G, Menon M J, Sawayanagi K, Shibuya E

H, Turtelli A, Amato N M, Arata N, Oliveira Castro F

M, Maldonado R H, Navia C E, Milhomem W C C, Ramos R

J, Aoki H, Fujimoto Y, Funayama Y, Hasegawa S, Kumano

H, Semba H, Tamada M, Yamashita S, Shibata T, Yokoi

K, Ohsawa A

HE 6.2-2 A Delay in Longitudinal Cascade Development 130

Sawayanagi K

HE 6.2-3 Evidence of Possible Correlation of Z-2 Anomalons 134

with Two-Temperature Events in Heavy-Ion Interactions

Dipak Ghosh, Jaya Deb Roy, Dipak Banerjee

HE 6.2-4 Results From KGF Nucleon Decay Experiment 138

Adarkar H, Dugad S R, Krishnaswamy M R, Menon M G K,Mondal N K, Narasimham V S, Sreekantan B V, HayashiY, Ito N, Kawakami S, Nakamura T, Tanaka K, Miyake S

HE 6.2-5 Search for Proton Decay into e+n° in IMB-3 142

Detector

Ajaltouni Z J, Becker-Szendy R, Bratton C B, CasperD, Dye S T, Gajewski U, Goldhaber M, Haines T J,Jones T W, Kielczewska D, Kropp W R, Learned J G,

LoSecco J M, Matsuno S, Matthews J, McGrew C, Mudan M

S, Price L R, Reines F, Schultz J, Sinclair D, Sobel

H W, Sulak L R, Svoboda R, Thornton G, van der Velde

J C

HE 6.2-6 Search for Proton Decay to Neutrino Plus Strange Meson 146

Becker-Szendy R, Bratton C B, Casper D, Crouch M, DyeS T, Errede S, Gajewski W, Goldhaber M, Haines T J,Jones T W, Kielczewska D, Kropp W R, Learned J G,

LoSecco J M, Matsuno S, McGrew C, Mudan M S, Price L

R, Reines F, Schultz J, Sobel H W, Stone J L, Sulak L

R, Svoboda R, Wittel F

HE 6.2-7 New Threshold and the Cosmic Ray Studies 150

Wlodarczyk Z

CONTENTS: VOLUME 10

HE 6.2-8 Passages of Hadrons and Nuclei Through Atomic Nuclei 154

Strugalski Z

HE 6.2-9 Space-Time Development of the Elementary Particle 158

Production Process in scacu nascendl

Strugalski Z

HE 6,2-10 Hard Processes and ANI Experiment 162

Avakian V V, Babadjanian 0 S, Mamidjanian E A,

Matinian S G, Ter-Antonian S V

HE 6: New particles and processes

6.3 Miscellaneous

HE 6.3-1 Hadroproduction of Charm in Cosmic Rays and at 166

Accelerators

Dremin I M, Madigozhin D T, Yakovlev V I

HE 6.3-2 Observation of Associated Beauty Production and Decay 170

in High Energy Hadron Interaction

JACEE Collaboration

Wilczynska B, Wilczynskl H, Holynski R, Jezabek M,

Jurak A, Wolter W, Wosiek B, Burnett T H, Iwai J,

Lord J J, Strausz S, Wilkes R J, Jones W V, Tominaga

Y, Wefel J P, Parnell T A, Takahashi Y, Gregory J C,

Hayashi T, Ogata T, Saito T, Tabuki T, Dake S, Fuki

M, Miyamura 0

HE 6.3-4 Observations of Unusual Near-Horizontal Showers 174

Acton P D, Ash A G, Hodson A L, Bull R M

HE 7: Techniques and instrumentation

7.1 Detectors, methods

HE 7.1-1 Assessment of Photoelectron Number at Very Low Light 175

Intensities

Soler P

HE 7.1-3 Stable Law Statistics in the Problem of 179

Co-ordinate Determination in which Muon Crossed a

Thin Plate of Scintillator

Goncharov A 1, Dudkin G N, Lagutin A A, Padalko V N,

Uchaikin V V

CONTENTS: VOLUME 10

HE /.1-4 Gain Shift Effect in a Gas Proportional Chamber of 18 1

the Okayamn Telescope

Katayama T, Wada T, Miyai H, Tsuruda M, Yamashita Y,

Yamamoto I

HE 7.1-5 Recent Readout Techniques of Thermoluminescent Sheet 187

Yamamoto I, Tomiyama T, Nlnagawa K, Nakagawa M, Wada

T, Nakasuga Y, Katayama T, Miyai H, Yamashita Y,

Takahashi N

HE 7.1-6 A Simple High-Resolution Water Cerenkov Particle 191

Telescope

Becker-Szendy R, Learned J G, Stratton A

HE 7.1-9 Application of Flat-Type Scintillation Fiber Detector 192

to Large Emulsion Chamber in Air Shower Array

Matano T, Inoue N, Enomoto Y, Toma H, Tsushima I,

Kawasumi N, Honda K, Hashimoto K, Osawa A

HE 7.1-10 Automated Video Scanner 196

Bakich A M, Lester K R, Peak L S

HE 7.1-12 The Research of Spectrum of EPhC in the Central Area 200

of Superfamilies by Method of Densitometric Scanning

Borodkin V A, Smorodin Yu A

HE 7.1-13 The Background Darkness of X-Ray Films and Energy 204

Calibration in Emulsion Chamber Experiments

Lu S L, Qui J F

HE 7.1-14 A Laser. Based Monitoring System for the LVD-UNO 208

Experiment in the Gran Sasso Laboratory

Aglietta M, Castellina A, Fulgione W, Morello C,

Saavedra 0, Trinchero G

HE 7.1-15 Calibration of X-Ray Films with Respect to Blackening 209

from the Electron Beam (E, - 4.5 GeV) and Improvement

of Parameters of Elementary Blackening Theory

Azarian M 0, Grigorian S A, Gyurdjian G Yu

HE 7.1-16 Study of Fe + Al Interaction at Relativistic Energy 213

Bhattacharyya D P, Pal P, Basu B, Rakshit R,

Mukherjee S C, Ganguly A K, Biswas S, Durgaprasad N

xiii

CONTENTS VOLUME 10

1IL 7 1-17 Reduction of Jnvuie Problems' Dimension in Coiiiuc 217

Rays Under Conditions, of Limited Statistic

Golubmchy P I Savchenko R T, Pavluchenko V I'

HE 7 1-18 About Possibilities of the Use of Low Backgtound 221

Device in Search of Anomalous Phenomena in Cosmic Rays

Buachidze G I Nevinsky I 0, Tsvetkova T V

HE 7 1-20 Detectability of Super Massive Nuclearite by ELF 223

EM-Waves on the Ocean Bottom

Sasaki H, Kobayashi H, Tabei T, Kusunose M, Ogawa T

Yanagita T, Yamamoto K, Hatano Y, Salto T

HE 7 Techniques and Instrumentation

7 2 Systems (except EAS)

HE 7 2-1 Physical Characteristics of Different Types of 227"MINI-DUMAND" Arrays

Deyneko A 0, Krastev P I, Sourin N I, Petrova P Ch

HE 7 2-2 Reconstruction of Muon and Neutrino Trajectories in 231

Deep Underwater Cherenkov Detectors

Kobrin V D, Murzin V S, Kolomeets E V, Syzdykov A M,Kotzer P

HE 7 2-4 Neutrino Water Detector (NEWAD) 234

Abin A V, Aynutdmov V M, Alalykm V G, Gavshin S B,Daml'chenko I A, Penin I V, Petrukhin A A, Potapov G

A, Shutenko V V, Yashin I I

HE 7 2-5 Surface EAS, Muon and Neutrino Detector (SEMAND) 237

Aynutdinov V M, Gavshin S B, Danil'chenko I A,Petrukhin A A, Potapov G A, Yashin I I

HE 7 2-7 The Side Looking Detector, a New Method for UHE 240

Cosmic Ray Detection

Halverson P Bowen T

HE 7 2-8 The HIRES Fly's Eye Project 244

Cassiday G L, Cooper R, Corbato S C, Dawson B R,Elbert J W, Kieda D B, Ko S, Loh E C, Salamon M H,Smith J, Sokolsky P, Thomas S B, Wheeler B M

CONTENTS: VOLUME 10

HE 7.2-9 Present Status of the Detector LSD 2 24 8

Dmlykin V L, Khalchukov F F, Korchngin V V, KorchaginV B, Kudryavtsev V A, Malgin A S, Ryasny V G,

Ryazhskaya 0 G, Yakushev V F, Zatsepin G T, AgliettaM, Badino G, Bologna G, Castagnoli C, Castellina A,Fulgione W, Galeotti P, Saavedra 0, Trinchero G,Vernetto S

HE 7.2-10 The Track-Etch Detector for the MACRO Experiment at 252the Gran Sasso Laboratory

MACRO Collaboration

(See HE 7.2-11 for full author list.)

HE 7.2-11 Overview of the MACRO Detector at the Gran Sasso 256

Laboratory

MACRO Collaboration

Bellotti R, Cafagna F, Calicchio M, De Cataldo G, De

Marzo C, Erriquez 0, Favuzzi C, Giglietto N, Nappi E,

Spinelli P, Cecchini S, Giacomelli G, Mandrioli G,

Marglotta-Neri A, Matteuzzi P, Pal B, Patrizii L,Predieri F, Sanzani G L, Serra P, Spurio M, Ahlen S

P, Ficenec D, Hazen E, Klein S, Levin D, Marin A,Stone J L, Sulak L R, Worstell W, Barish B, Coutu S,

Hong J Tao, Liu G, Peck C, Solie D, Steele J, Lane C,

Steinberg R, Battistoni G, Bilokon H, Bloise C,

Campana P, Chiarella V, Forti C, Grillo A, larocci E,

Marini A, Patera V, Reynoldson J, Ronga F, Satta L,

Spinetti M, Valente V, Bower C, Heinz R, Mufson S,Petrakis J, Monacelli P, Bernardini P, Mancarella G,Palamara 0, Pistilli P, Surdo A, Longo M, Musser J,Smith C, Tarle G, Ambrosio M, Barbarino G C, Guarino

F, Baldini A, Bemporad C, Flaminio V, Giannini G,

Grassi M, Pazzi R, Auriemma G, Chrysicopoulou P,DeVincenzi M, Iori M, Lamanna E, Lipari P,Martellotti G, Petrera S, Petrillo L, Rosa G, Sciubba

A, Severi M, Green P, Webb R, Bisi V, Giubellino P,Marzari Chiesa A, Masera M, Monteno M, Ramello L

HE 7.2-12 Search for Stellar Collapse with the MACRO Detector 260

at Gran Sasso

MACRO Collaboration

(See HE 7.2-11 for full author list.)

HE 7,2-14 Development of a Dark Matter Experiment in the UK 264

Spooner N J C, Sumner T J, Bewick A, Zammit C C,

Quenby J J, Stradling R A, Caplin A D, Jones W G,Homer G, Lewln J D, Read S F J, Smith P F, Barton J,Saunders J, Lea M

CONTENTS: VOLUME 10

HE 7: Techniques and instrumentation

7.3 EAS systems

HE 7.3-1 The Detector Array of the KASCADE Project 268

Daumiller K, Doll P, Gils H J, Heck D, Klages H 0,

Kriegleder W, Mayer H J, Muller H, Schieler H,

Schmalz G, Volker G

HE 7.3-2 The Central Detector of KASCADE 272

Engler J, Gabriel P, Gils H J, Heide N, Keim H, Knapp

J, Rebel H, Zagromski S

HE 7.3-3 Air Shower Simulations for KASCADE 275

Capdevielle J N, Gabriel P, Gils H J, Grieder P K F,

Heck D, Heide N, Knapp J, Mayer H J, Oehlschlager J,

Rebel H, Schatz G, Thouw T

HE 7.3-4 The KASCADE Project 279

Doll P, Engler J, Gils H J, Heck D, Heide N, Keim H,

Klages H 0, Knapp J, Mayer H J, Muller H,

Oehlschlager J, Rebel H, Schatz G, Schmalz G, Thouw

T, Zagromski S, Zeitnitz B

HE 7.3-5 New Installation for Study of Ultra High Energy 282

Cosmic Rays (EAS-1000)

Khristiansen G B, Fomin Yu A, Khrenov B A, Kalmykov N

N, Vedeneev 0 V, Kulikov G V, Nechin Yu A, Garipov G

K, Sylaev A A, Sulakov V P, Smolensky L G, Papin S V,

Pros in V V, Vashkevich V V, Chasnikov I Ya, Ivanenko

V M, Efimov N N, Kolomeets E V

HE 7.3-7 The Ai'r Shower Array in Beijing 286

Tan Y H, Dong Y J, Yuan P, Wang H, Zhang H M, Wang T H,

Meng L, Sun X X, Chao Z, Dai H Y, Li J

HE 7.3-9 A Project for an Installation to Search for 290

Discrete Cosmic Gamma Radiation with an Energy Above

5X10»* eV

Makhmudov B M, Hakimov N H

HE 7,3-10 A Small Air Shower Array for Multiparticle Production 293

Study

Elo A -M, Torsti J, Valtonen E, Arvela H, Eronen T,

Lumme M, Peltonen J, Rlihonen E

CONTENTS: VOLUME 10

HE 7.3-11 A Low Threshold EAS Array for Gamma-Ray Asrronomy at 297Los Alamos

Burman R L, Hoffman C M, Nagle D E, Potter M E,

Sandberg V, Berley D, Dingus B L, Coodman J A, Haines

T J, Stark M, Ellsworth R W, Alexandras D E, Biller

S, Dion G, Lu X-Q, Vishwanath P R, Yodh G B, Turner T,White S, Zych A, Freedman S, Krakauer D, Lamb R

HE 7.3-12 Status of the Expansion of the CYGNUS Array at Los 301

Alamos

Berley D, Chang C Y, Dingus B L, Goodman J A, Haines

T J, Stark M, Burman R L, Cady D R, Hoffman C M,

Lloyd-Evans J, Nagle D E, Potter M E, Sandberg V D,Wilkinson C A, Alexandreas D E, Allen R C, Biller S,Dion G, Lu X-Q, Vishwanath P R. Yodh G B, Ellsworth R W

HE 7.3-13 The Study of Cosmic Rays With GRANDE 305

GRANDE Collaboration

(See HE 5.3-2 for full author list.)

HE 7: Techniques and instrumentation

7.4 EAS techniques

HE 7.4-1 The Sydney Air-Shower Core Detector, Analysis of 306

Response

Horton L, Nasri A, Ulrichs J, Winn M M

HE 7.4-2 A Proposed Experiment to Re-Examine Some Remarkable 307

Features of the Air Shower Density Spectrum

Hillas A M

HE 7.4-3 Delay in Light Collection in Scintillators as a 308

Factor Affecting Angular Resolution in an EAS Array

Hillas A M, McMillan J E, Ogden P A, Reid R J 0,

Weng Y G

HE 7.4-4 Acceptance of an Air Shower Array 312

Gaisser T K

HE 7.4-5 Performance of the Hadron Calorimeter of EAS-T0P at 316

Gran Sasso

Aglietta M, Alessandro B, Badino G, Bergamasco L,

Castagnoli C, Castellina A, Cini G, D'Ettorre

Piazzoli B, Fulgione W, Ghia P, Galeotti P, Mannocchi

G, Morello C, Navarra G, Periale L, Picchi P, Riccati

L, Saavedra 0, Trinchero G, Vallania P, Vernetto S

CONTENTS: VOLUME 10

HE 7.4-6 A Fast Procedure for Get ling Shower Parameters (or 320

EAS Arrays witli a Large Number of Detectors

Sivaprasad K

HE 7.4-8 Applicability of a Roof-Top Array to the Detection of 321

Ultra-High-Energy Cosmic-Ray Primaries

Li W S, Ng L K

HE 7.4-9 Simulation Analysis of Particle Air Shower 325

Characteristics Observed at Mt. Liang Wang Station

Ng P H, Cheung T, Ng L K, MacKeown P K

HE 7.4-10 Particle Density Calibration and Arrival Direction 329

Determination in EAS Measurements

Ng P H, Li W S, Ng L K

HE 7.4-11 Optimum Energy of Point-Source Gamma Rays for Surface 333

Array of Fast-Timing Detectors Under the Given

Geophysical Conditions

Nishizawa M, Ohnishi M, Yamamoto Y

HE 7.4-12 Results on Identification of Secondary Muons and 334

Electrons from Cosmic Rays Using Tracking Chambers

and a Thin Steel Absorber

Gress J, Cady R, Kochocki J, Mikocki S, Poirier J

HE 7.4-13 GRAND Proportional Wire Chambers 335

Gress J, Mikocki S, Poirier J, Rettig T

XV1H