![Page 1: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/1.jpg)
Standard detectors for particleStandard detectors for particleidentification at identification at
PRESPEC(2012-2013)PRESPEC(2012-2013)
Plamen BoutachkovTU Darmstadt, Germany
![Page 2: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/2.jpg)
GSI projectile FRagment Separator (FRS)
Beam from SIS
TOF --> βTrajectory reconstruction --> ρ
TOF through FRS ~ 300ns L~70m
A/Q γβ = ( e/(uc) ) Bρ
∆p/p=(x4-Mx
2)/D ∆E/∆x ~ z2/β f(β)
H. Geissel et al. NIM B70 (1992) 286
![Page 3: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/3.jpg)
S2-detectorsFinger-SCI
TPC
SCI2155
0 M
eV/u
250
MeV
/u
![Page 4: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/4.jpg)
Time Projection Chambers(TPC)
R.Janik et al, NIM A640 (2011) 54
delay line read-out2 x-position measurements4 y-position measurements
spatial resolution: x-direction: ~ 0.18 mm y-direction: ~ 0.08 mm
![Page 5: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/5.jpg)
TPC Efficiency
Comenius University BratislavaGSI Darmstadt
Helsinki Institute of Physics
238U ions at 1 GeV/u
![Page 6: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/6.jpg)
Scintillators
200 mm
BC420
15 strips, 13x80x1 mm3
F. Ameil (GSI), M. Danchev(Sofia University)
![Page 7: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/7.jpg)
Finger-Scintillators
F. Ameil, G. Guastalla(GSI)
104SnRate(S2) ~ 106 pps
ID:TPC(S2)+SCI
ε~10%
ID: Finger-SCI
ε~90%
![Page 8: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/8.jpg)
New Finger Scintillators
60 strips, 4x80x1 mm3
The Henryk Niewodniczanski Institute of Nuclear Physics, KrakowGSI Darmstadt
![Page 9: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/9.jpg)
S4-detectors
160
MeV
/u
SCI41MUSIC
TPC
250
MeV
/u
![Page 10: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/10.jpg)
Multi Sampling Ionization Chamber
∆E/∆x ~ z2/β f(β)
E= 230 MeV/u E= 210 MeV/u
δE=(Π∆Εi )1 / 8 ~ z2
CF4
http://www-wnt.gsi.de/frs/technical/FRSsetup/detectors/music80/music80_manual.pdf
![Page 11: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/11.jpg)
Pile-up
T [25 ns/ch]
![Page 12: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/12.jpg)
50 kHz
Pile-up
S. Pietri (GSI)
Npeak
/Ntot
= 0.89
![Page 13: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/13.jpg)
50 kHz
Pile-up compensationM. Vencelj et al. NIM A607 (2009) 581
Npeak
/Ntot
= 0.95
KVI GroningenGSI Darmstadt
![Page 14: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/14.jpg)
Summary
Detector Max. Rate [pps]X,Y: Multi-wire chambers <104
X,Y: Current grids >108
X,Y: TPC <106
dE: MUSIC detectors <2x105
TOF: Scintillators <106
Finger Scintillator a few 106
Operation rates of FRS detectors
![Page 15: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/15.jpg)
Tracking detector layoutTracking detector layoutPRESPEC(2012-2013)PRESPEC(2012-2013)
![Page 16: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/16.jpg)
S2-detectorsSCI21Finger-SCI
TPC
![Page 17: Standard detectors for particle identification at PRESPEC ...wolle/EB_at_GSI/FRS/TALKS/AGATA...Standard detectors for particle identification at PRESPEC(2012-2013) Plamen Boutachkov](https://reader036.vdocuments.net/reader036/viewer/2022062609/60f794b68c88f907786bca3d/html5/thumbnails/17.jpg)
S4-detectors PRESPEC 2012-2013
MUSIC
TPC
X,Y slits
SCI41
Degrader
LYCCATOF-Start