Presentation is loading. Please wait.

Presentation is loading. Please wait.

RICH PylosR. Gernhäuser (TU-München) The HADES RICH High Acceptance Di-Electron Spectrometer The HADES Spectrometer Special requirements RICH setup.

Published byJulius Todd Modified over 8 years ago

Similar presentations

Presentation on theme: "RICH PylosR. Gernhäuser (TU-München) The HADES RICH High Acceptance Di-Electron Spectrometer The HADES Spectrometer Special requirements RICH setup."— Presentation transcript:

1 RICH 2002 @ PylosR. Gernhäuser (TU-München) The HADES RICH High Acceptance Di-Electron Spectrometer The HADES Spectrometer Special requirements RICH setup –Mirror –Window –Photon detector Preliminary results from 12 C- 12 C [1.0 AGeV] Outlook For the HADES Collaboration

2 RICH 2002 @ PylosR. Gernhäuser (TU-München) Motivation SIS / GSI :heavy ion, proton,pion beams 0   3   0  T  80 MeV HADES: systematic dilepton spectroscopy meson prod. in  A / pA :    T = 0 MeV meson prod. in  p / pp :  0, T = 0 MeV meson prod. in AA :    T = 80  MeV Properties of hadrons in strong int. matter: M,  vs ,  B, T, V Vector meson , ,  spectral functions measurements Hadron’s structure: VDM, Form factors, vector meson-nucleon inter. Dalitz and two-body decays, pN,  N reactions

3 RICH 2002 @ PylosR. Gernhäuser (TU-München) Magnet SC. toroid ( 6 coils)  in      Lepton Identification RICH C 4 F 10 + gas Phot. Det. CsI - cathode META TOF scintillator wall + Pre-Shower detector p/  identification META and tracking Tracking p – measurement, vertex reconstruction MDC Drift chambers  x ~ 80  m (  ) High Acceptance Di-Electron Spectrometer

4 RICH 2002 @ PylosR. Gernhäuser (TU-München) experiment hall CsI based MWPC with gas radiator Design Constraints beam intensity10 8 /s central collisions10 5 /s ch. particles < 200/evt lepton pairs10 3 /s MesonMass (MeV/c 2 )  (MeV/c 2 ) dominant decay e+e-/e+e-/  769150 22 4.5 10 -5  7838.5 22 7.1 10 -5  10194.52K2.9 10 -4 N 0 ~ 100 fast high granularity hadron blind Trigger device

5 RICH 2002 @ PylosR. Gernhäuser (TU-München) Fast Photon Detector  6 sector shaped MWPCs with 2.4 mm gap  5*10 4 < gain < 1*10 5 @ 2450V  signal coupling on several pads  solid CsI photon converter on special substrate material (RSG)

6 RICH 2002 @ PylosR. Gernhäuser (TU-München) Photon Detector Shape – 4712 pads/sector, individually shaped 4.5 mm < y < 7 mm, x = 6.6mm – GASSIPLEX based FE-electronics – 10  s conversion time ring radius [pads] polar angle [°] A trigger device for  ~ 1 particles constant ring radius

7 RICH 2002 @ PylosR. Gernhäuser (TU-München) Mirror Ø 150 cm, R = 871 mm, d = 2 mm Poly – Carbon –rad. length X 0 = 28cm –18 panels polished Float Glass –rad. length X 0 = 14cm –6 panels, molded J. Friese (Saturday afternoon)

8 RICH 2002 @ PylosR. Gernhäuser (TU-München) CaF 2 - Window Crystal window Ø = 140cm 64 CaF 2 hexagonal crystals Ø = 20cm, d = 5mm  p < 5mbar

9 RICH 2002 @ PylosR. Gernhäuser (TU-München) The Eye of HADES Commissioning in 2001 Full HADES Setup (! outer tracking) 10 8 events C – C 1-2 AGeV 400  m Carbon fiber radiator shell

10 RICH 2002 @ PylosR. Gernhäuser (TU-München) Typical Pattern Data Nov. 2001, C - C @ E = 1 AGeV

11 RICH 2002 @ PylosR. Gernhäuser (TU-München) RICH online Lepton ID Ring recognition algorithm (fixed radius) –Ring radius (+) inner and outer veto regions (-) –Threshold on positive and negative quality parameters J. Lehnert (Sunday morning) Reference of qualitative and quantitative detector response needed

12 RICH 2002 @ PylosR. Gernhäuser (TU-München) Calibration Measurement (OEM online efficiency measurement) Calibration Measurement (OEM online efficiency measurement) calibrated light source! Photons produced by 600 AMeV 12 C beam particles passing two different solid radiators

13 RICH 2002 @ PylosR. Gernhäuser (TU-München) OEM results N0 > 90 Radial distribution of photons represents spectral sensitivity of the detector L. Fabbietti (Sunday morning) 200 nm145 nm 200 nm 163 nm single 12 C hit beam pipe shadow

14 RICH 2002 @ PylosR. Gernhäuser (TU-München) Dominant Dilepton Sources  e+e+ e-e- Conversion e+e+ e-e- 00  Dalitz 7 M events C+C @1.0 AGeV opening angle [°] cut on opening angle combinatory pairs negligible

15 RICH 2002 @ PylosR. Gernhäuser (TU-München) The Ring Properties Rings from single leptons e + e - pair with 1 track/ring Th. Eberl (Sunday afternoon) momentum [MeV/c] polar angle [°] Efficiency of Ring recognition

16 RICH 2002 @ PylosR. Gernhäuser (TU-München) Lepton ID with TOF and RICH TOF[ns] preliminary Data: Nov01 C-C 2.0 AGeV q*momentum ––

17 RICH 2002 @ PylosR. Gernhäuser (TU-München) Lepton ID online - offline  Full HADES simulation and data analysis  RQMD ev.generator q* momentum [e*MeV/c] N e /N  + preliminary Correlation of rings found by hardware or software image processing A. Toia (Sunday morning)

18 RICH 2002 @ PylosR. Gernhäuser (TU-München) Outlook HADES comes into operation (e/  p sep., LVL2 trig., tracking) 3 MDC layer will be completed this summer (  p  3% for  /  ) Phase I (2002 – 2003) : (acc. proposals S200,S262)  Continuum below M inv < 600 MeV/c 2 ;  0 Dalitz in C+C (more statistics)  High statistics e +,e - production in HI reactions C+ C @ 1 – 2 AGeV (compare to DLS)  e + e - production in  - p  - p @ 0.8 – 1.3 GeV/c (below and above threshold for   e + e - pair acceptances pp  pp   pp e + e -

19 RICH 2002 @ PylosR. Gernhäuser (TU-München) Full Lepton ID (RICH,MDC,META)  Full HADES simulation and data analysis  RQMD ev.generator q* momentum [e*MeV/c] e- e+ N e /N  + simul.  RICH-Track(MDC-META) RICH & fast tof &shower MDC I/II (inner ) preliminary Data: Nov01 C-C 2.0 AGeV magnetic field

20 RICH 2002 @ PylosR. Gernhäuser (TU-München) OEM results N0 > 90 Radial distribution of photons represents spectral sensitivity of the detector L. Fabbietti (Sunday morning) 200 nm 145 nm 200 nm 163 nm single 12 C hit beam pipe shadow

Download ppt "RICH PylosR. Gernhäuser (TU-München) The HADES RICH High Acceptance Di-Electron Spectrometer The HADES Spectrometer Special requirements RICH setup."

Similar presentations

1 Pion beam tracker for HADES Jerzy Pietraszko CBM Collaboration Meeting, March 9-13, 2009, GSI, Darmstadt.

1 Pion beam tracker for HADES Jerzy Pietraszko CBM Collaboration Meeting, March 9-13, 2009, GSI, Darmstadt.
PHENIX Decadal Plan o Midterm upgrades until 2015 o Long term evolution after 2015 Dynamical origins of spin- dependent interactions New probes of longitudinal.

PHENIX Decadal Plan o Midterm upgrades until 2015 o Long term evolution after 2015 Dynamical origins of spin- dependent interactions New probes of longitudinal.
Ultra Peripheral Collisions at RHIC Coherent Coupling Coherent Coupling to both nuclei: photon~Z 2, Pomeron~A 4/3 Small transverse momentum p t ~ 2h 

Ultra Peripheral Collisions at RHIC Coherent Coupling Coherent Coupling to both nuclei: photon~Z 2, Pomeron~A 4/3 Small transverse momentum p t ~ 2h 
Centauro and STrange Object Research (CASTOR) - A specialized detector system dedicated to the search for Centauros and Strangelets in the baryon dense,

Centauro and STrange Object Research (CASTOR) - A specialized detector system dedicated to the search for Centauros and Strangelets in the baryon dense,
Hadron Physics (I3HP) activities Hadron Physics (I3HP) is part of Integrated Activity of 6’th European Framework. Contract has a form of consortium of.

Hadron Physics (I3HP) activities Hadron Physics (I3HP) is part of Integrated Activity of 6’th European Framework. Contract has a form of consortium of.
Dielectrons from HADES to CBM Bratislava (SAS, PI), Catania (INFN - LNS), Cracow (Univ.), Darmstadt,(GSI), Dresden (FZR), Dubna (JINR), Frankfurt (Univ.),Giessen.

Dielectrons from HADES to CBM Bratislava (SAS, PI), Catania (INFN - LNS), Cracow (Univ.), Darmstadt,(GSI), Dresden (FZR), Dubna (JINR), Frankfurt (Univ.),Giessen.
Search for Thermal Photons in PHENIX - Torsten Dahms - Stony Brook University 23 rd Winter Workshop On Nuclear Dynamics February 13, 2007.

Search for Thermal Photons in PHENIX - Torsten Dahms - Stony Brook University 23 rd Winter Workshop On Nuclear Dynamics February 13, 2007.
Cynthia HadjidakisTerzo Convegno sulla Fisica di ALICE Detection of photons and electrons in EMCAL Photons, Electrons and  0 at large p T Identification.

Cynthia HadjidakisTerzo Convegno sulla Fisica di ALICE Detection of photons and electrons in EMCAL Photons, Electrons and  0 at large p T Identification.
Xiaoyan LinQuark Matter 2006, Shanghai, Nov. 14-20, 2006 1 Study B and D Contributions to Non- photonic Electrons via Azimuthal Correlations between Non-

Xiaoyan LinQuark Matter 2006, Shanghai, Nov , Study B and D Contributions to Non- photonic Electrons via Azimuthal Correlations between Non-
The Design of a Detector for the Electron Relativistic Heavy Ion Collider Anders Ingo Kirleis 1, William Foreman 1, Elke-Caroline Aschenauer 2, and Matthew.

The Design of a Detector for the Electron Relativistic Heavy Ion Collider Anders Ingo Kirleis 1, William Foreman 1, Elke-Caroline Aschenauer 2, and Matthew.
Vector meson study for the CBM experiment at FAIR/GSI Anna Kiseleva GSI Germany, PNPI Russia   Motivation   The muon detection system of CBM   Vector.

Vector meson study for the CBM experiment at FAIR/GSI Anna Kiseleva GSI Germany, PNPI Russia   Motivation   The muon detection system of CBM   Vector.
JSPS Research Fellow / University of Tsukuba T. Horaguchi Oct. 15 2009 for HAWAII2009 2009/10/15HAWAII 20091.

JSPS Research Fellow / University of Tsukuba T. Horaguchi Oct for HAWAII /10/15HAWAII
C B M Di-electron background studies and first results using compact RICH CBM Collaboration Meeting, 27 September 2007, Dresden Di-electron background.

C B M Di-electron background studies and first results using compact RICH CBM Collaboration Meeting, 27 September 2007, Dresden Di-electron background.
Di-electron pair reconstruction CBM Collaboration Meeting, 28 February 2008, GSI-Darmstadt Di-electron pair reconstruction Tetyana Galatyuk GSI-Darmstadt.

Di-electron pair reconstruction CBM Collaboration Meeting, 28 February 2008, GSI-Darmstadt Di-electron pair reconstruction Tetyana Galatyuk GSI-Darmstadt.
PHENIX Fig1. Phase diagram Subtracted background Subtracted background Red point : foreground Blue point : background Low-mass vector mesons (ω,ρ,φ) ～

PHENIX Fig1. Phase diagram Subtracted background Subtracted background Red point : foreground Blue point : background Low-mass vector mesons (ω,ρ,φ) ～
1 High Acceptance Di-Electron Spectrometer The activity of JINR for HADES project is performed in frame of theme 03 -1 - 1020 - 96/2005 with a first priority.

1 High Acceptance Di-Electron Spectrometer The activity of JINR for HADES project is performed in frame of theme /2005 with a first priority.
Dielectron production in C+C collisions at 2AGeV with HADES Jochen Markert For the HADES Collaboration.

Dielectron production in C+C collisions at 2AGeV with HADES Jochen Markert For the HADES Collaboration.
Single Electron Measurements at RHIC-PHENIX T. Hachiya Hiroshima University For the PHENIX Collaboration.

Single Electron Measurements at RHIC-PHENIX T. Hachiya Hiroshima University For the PHENIX Collaboration.
Study of hadron properties in cold nuclear matter with HADES Pavel Tlustý, Nuclear Physics Institute, Řež, Czech Republic for the HADES Collaboration ,

Study of hadron properties in cold nuclear matter with HADES Pavel Tlustý, Nuclear Physics Institute, Řež, Czech Republic for the HADES Collaboration ,
Charmonium feasibility study F. Guber, E. Karpechev, A.Kurepin, A. Maevskaia Institute for Nuclear Research RAS, Moscow CBM collaboration meeting 11 February.

Charmonium feasibility study F. Guber, E. Karpechev, A.Kurepin, A. Maevskaia Institute for Nuclear Research RAS, Moscow CBM collaboration meeting 11 February.

Similar presentations

Ads by Google