E + /e - ID with Prs Grigory Rybkn, INR/Troitsk Ivan Belyaev CERN & ITEP/Moscow.

Slides:

Advertisements

Similar presentations

CBM Calorimeter System CBM collaboration meeting, October 2008 I.Korolko(ITEP, Moscow)

Advertisements

J. Nielsen1 Measuring Trigger Efficiency Important component of cross section measurement: it is NOT in general 1.0! Need to measure this from data because.

Electromagnetic Showers with the MST Algorithm Niels Meyer The University of Iowa Matthew Charles, Wolfgang Mader, Usha Mallik ILC Workshop, Snowmass August.

Lauri A. Wendland: Hadronic tau jet reconstruction with particle flow algorithm at CMS, cHarged08, Hadronic tau jet reconstruction with particle.

Jin Huang Los Alamos National Lab.  Cited from March collaboration Meeting EC group Internal Communication Jin Huang 2 Preshower ID power drop significantly.

27 th June 2008Johannes Albrecht, BEACH 2008 Johannes Albrecht Physikalisches Institut Universität Heidelberg on behalf of the LHCb Collaboration The LHCb.

1 N. Davidson E/p single hadron energy scale check with minimum bias events Jet Note 8 Meeting 15 th May 2007.

PFA on SiDaug05_np Lei Xia ANL-HEP. PFA outline Calibration of calorimeter –Done –Not tuned for clustering algorithm Clustering algorithm –Done: hit density.

GEM DHCAL Simulation Studies J. Yu* Univ. of Texas at Arlington ALCW, July 15, 2003 Cornell University (*on behalf of the UTA team; S. Habib, V. Kaushik,

Potpourri Vishnu V. Zutshi Northern Illinois University.

PFA Development – Definitions and Preparation 0) Generate some events w/G4 in proper format 1)Check Sampling Fractions ECAL, HCAL separately How? Photons,

Energy Flow Studies Steve Kuhlmann Argonne National Laboratory for Steve Magill, U.S. LC Calorimeter Group.

Energy Flow Studies Steve Kuhlmann Argonne National Laboratory for Steve Magill, Brian Musgrave, Norman Graf, U.S. LC Calorimeter Group.

Status of calorimeter simulations Mikhail Prokudin, ITEP.

Evaluation of G4 Releases in CMS (Sub-detector Studies) Software used Electrons in Tracker Photons in the Electromagnetic Calorimeter Pions in the Calorimeter.

Tau Jet Identification in Charged Higgs Search Monoranjan Guchait TIFR, Mumbai India-CMS collaboration meeting th March,2009 University of Delhi.

Progress with the Development of Energy Flow Algorithms at Argonne José Repond for Steve Kuhlmann and Steve Magill Argonne National Laboratory Linear Collider.

November 6, 2004Carl Bromberg, FNAL LAr Exp. Workshop Nov. 4-6, Particle ID, energy resolution, neutrino flavor tagging, efficiencies, backgrounds,

Thomas Jefferson National Accelerator Facility Page 1 EC / PCAL ENERGY CALIBRATION Cole Smith UVA PCAL EC Outline Why 2 calorimeters? Requirements Using.

Pions for SoLID May 7 th 2013 SoLID EC meeting A. Camsonne.

Event Reconstruction in SiD02 with a Dual Readout Calorimeter Detector Geometry EM Calibration Cerenkov/Scintillator Correction Jet Reconstruction Performance.

1 Lead glass simulations Eliane Epple, TU Munich Kirill Lapidus, INR Moscow Collaboration Meeting XXI March 2010 GSI.

PFA Template Concept Performance Mip Track and Interaction Point ID Cluster Pointing Algorithm Single Particle Tests of PFA Algorithms S. Magill ANL.

16-Nov-2002Konstantin Beloous1 Digital Hadron Calorimeter Energy Resolution.

Development of a Particle Flow Algorithms (PFA) at Argonne Presented by Lei Xia ANL - HEP.

Apollo Go, NCU Taiwan BES III Luminosity Monitor Apollo Go National Central University, Taiwan September 16, 2002.

ECAL PID1 Particle identification in ECAL Yuri Kharlov, Alexander Artamonov IHEP, Protvino CBM collaboration meeting

CBM ECAL simulation status Prokudin Mikhail ITEP.

2004 Fall JPS meeting (English version) K.Okada1 Measurement of prompt photon in sqrt(s)=200GeV pp collisions Kensuke Okada (RIKEN-BNL research center)

Particle Identification at BESIII Kanglin He April 23, 2007, Amsterdam.

Bangalore, India1 Performance of GLD Detector Bangalore March 9 th -13 th, 2006 T.Yoshioka (ICEPP) on behalf of the.

CALOR April Algorithms for the DØ Calorimeter Sophie Trincaz-Duvoid LPNHE – PARIS VI for the DØ collaboration  Calorimeter short description.

The LHCb Electromagnetic Calorimeter Ivan Belyaev, ITEP/Moscow.

Study on search of a SM Higgs (120GeV) produced via VBF and decaying in two hadronic taus V.Cavasinni, F.Sarri, I.Vivarelli.

1 Hadronic calorimeter simulation S.Itoh, T.Takeshita ( Shinshu Univ.) GLC calorimeter group Contents - Comparison between Scintillator and Gas - Digital.

Laboratoire de l’Accélérateur Linéaire, Orsay, France and CERN Olivier Callot 18 March 2003 Online Data Format and Condition Database Proposed data format.

Calice Meeting Argonne Muon identification with the hadron calorimeter Nicola D’Ascenzo.

Particle Identification with the LHCb Experiment

1 Giuseppe G. Daquino 26 th January 2005 SoFTware Development for Experiments Group Physics Department, CERN Background radiation studies using Geant4.

Calo Software: Urgent tasks and resources Ivan Belyaev LHCb, CERN & ITEP/Moscow.

PbWO 4 crystals Calorimeter Liping Gan University of North Carolina Wilmington.

Interactions of pions in the Si-W ECAL prototype Towards a paper Naomi van der Kolk.

W Prototype Simulations Linear Collider Physics & Detector Meeting December 15, 2009 Christian Grefe CERN, Bonn University.

Kali Calo progress report Dasha Savrina (ITEP/Moscow), Vanya Belyaev.

Electron and Photon HLT alley M. Witek K. Senderowska, A. Żurański.

The LHCb Calorimeter Triggers LAL Orsay and INFN Bologna.

ECAL Interaction layer PFA Template Track/CalCluster Association Track extrapolation Mip finding Shower interaction point Shower cluster pointing Shower.

Marco Incagli – INFN Pisa

CALICE scintillator HCAL

Nick Markov, UCONN Valery Kubarovsky, JLAB

Charged Current Cross Sections with polarised lepton beam at ZEUS

Jin Huang Los Alamos National Lab

Dual-Readout Calorimeter: DREAM

Individual Particle Reconstruction

The role of PS/SPD in the LHCb trigger

Project Presentations August 5th, 2004

Argonne National Laboratory

longitudinal shower profile

Background rejection in P326 (NA48/3)

Tests of a Digital Hadron Calorimeter

Missing B-tracks in L1 trigger

SoLID JPsi_LH2 Hit and Occupancy

The LHCb L0 Calorimeter Trigger

Charged Current Cross Sections with polarised lepton beam at ZEUS

Tests of a Digital Hadron Calorimeter

Energy deposit from Pi- (0 to 11 GeV)

Steve Magill Steve Kuhlmann ANL/SLAC Motivation

Ronan McNulty University College Dublin

Electron PID & trigger using EMCal

Presentation transcript:

e + /e - ID with Prs Grigory Rybkn, INR/Troitsk Ivan Belyaev CERN & ITEP/Moscow

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 2 Introduction Preshower Important (and vital) for L0 Trigger Important (and vital) for L0 Trigger Fast and “efficient” e/h separation 10 m.i.p cut e/h enrichment of about 10 (TDR note) Could (and should) be used for off-line e + /e - ID Could (and should) be used for off-line e + /e - ID Should provide brilliant separation for clean environment Very simple analysis Get the track Get the track Get connected “charged” cluster in Ecal Get connected “charged” cluster in Ecal  2 < 49  2 < 49 at least 1 “hit” in Spd at least 1 “hit” in Spd at least 1 “hit” in Prs at least 1 “hit” in Prs Select “useful” Prs hits Select “useful” Prs hits Tolerances? Tolerances? Study the energy deposition in Prs Study the energy deposition in Prs

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 3 Prs deposition for e + /e - 1 mip = 2.7 MeV

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 4 Prs deposition for hadrons 1 mip = 2.7 MeV

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 5 Prs deposition for ghosts 1 mip = 2.7 MeV “Ghosts” have sizeable e + /e - -like component

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 6 Prs deposition

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 7 Efficiency for 12 MeV cut Almost “flat” efficiency for e + /e - Quite pure rejection of non e + /e -

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 8 Efficiency for 19 MeV cut

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 9 Efficiency for 25 MeV cut

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 10 Efficiency for 30 MeV cut

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 11 Efficiency for 35 MeV cut “Non-flat” efficiency for e + /e - Reasonable rejection of non e + /e -

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 12 Efficiency for 25 MeV cut ???

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 13 Efficiency for 25 MeV cut sweeping/nonsweeping region

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 14 Efficiency for 25 MeV cut no shower tolerance

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 15 Efficiency for 25 MeV cut 3mm shower tolerance

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 16 Summary I

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 17 Summary II

5 Nov'2k+2 Calorimeter Ivan Belyaev LHCb CERN & ITEP/Moscow 18 Summary III e/h separation with Prs was studied e/h separation with Prs was studied With 20 MeV cut for preshower energy one could get reasonable efficiency for electrons and rejection of true hadrons of 10 and better With 20 MeV cut for preshower energy one could get reasonable efficiency for electrons and rejection of true hadrons of 10 and better Rejection of ghosts is not perfect Rejection of ghosts is not perfect Again the evidence of sizable e + /e - -like component for ghosts Again the evidence of sizable e + /e - -like component for ghosts P t -dependency has “strange” shape P t -dependency has “strange” shape To be done Understand the results Understand the results Find reasonable momentum dependent threshold Find reasonable momentum dependent threshold C++ code to Brunel/DaVinci C++ code to Brunel/DaVinci