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Performance Analysis of Strange Particles in ALICE: Meeting Summary and Future Plans

This document summarizes the local HIPEx meeting held on May 18, 2012, led by JunGyu Yi, focusing on the analysis performance of strange particles within the ALICE framework. It includes discussions on the AliAnalysisTaskPerformanceStrange, relevant data handling procedures, and ongoing analyses related to PID, background subtraction, and fitting studies. Future plans are outlined for scheduled beam times and workshops, emphasizing the need for collaboration and planning within the research community, particularly regarding HMPID-related studies and performance measurements.

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Performance Analysis of Strange Particles in ALICE: Meeting Summary and Future Plans

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  1. V0 analysis progress JunGyu Yi fireplay@pusan.ac.kr HIPEx Local Meeting 20120518

  2. AliAnalysisTaskPerformanceStrange • https://hipex.phys.pusan.ac.kr/drupal/node/215 • Class • AliAnalysisTaskPerformanceStrange.cxx • AliAnalysisTaskPerformanceStrange.h • runEx01.C HIPEx Local 20120518

  3. test result /alice/data/LHC10b_000117116_p2 | /alice/data/LHC10b_000117113_p2 HIPEx Local 20120518

  4. AliAnalysisTaskPerformanceStrange • from $ALICE_ROOT/PWG2/SPECTRA/ • AliAnalysisTaskPerformanceStrange.cxx • fAnalysisMC(0 or 1), fUsePID(0 or 1), fUseCut(0 or 1) • mc or real data, PID, Cut 여부 결정 • AliAnalysisTaskPerfromanceStrange.h • AliAnalysisTaskPerformanceStrange.h파일은 Histogram을 추가/수정할 경우 변경 • runEx01.C • neutral V0 particle (Lambda & K_short) reconstruction은 $ALICE_ROOT/STEER class->libSTEERBase 에  있는 library/class를 통해서 가능 • runEx01.C 에서 library를load함. HIPEx Local 20120518

  5. Proof stage • http://aaf.cern.ch/node/223 • Procedure on ROOT • TProof::Open(“jungyu:default@kiaf.sdfarm.kr”); • gProof->ShowPackages(); • gProof->EnablePackage("VO_ALICE@AFDSUtils::1.0.0") • Run the wizard : gProof->afDataSetWizard() • or afDataSetQuick.C • void afDataSetQuick()Bool_tsim, /* kTRUE => sim, kFALSE => data */TStringperiod, /* e.g., "LHC10h" */TStringrunRange, /* e.g., "139104-139107,139306" */Bool_tesd, /* kTRUE => ESDs, kFALSE => AODs */TStringpass, /* e.g, "1", "pass1", "1_HLT", "pass1_HLT" */Int_taodNum, /* e.g., 40 for AOD040 */TStringoptions /* e.g., "dryrun:aliencmd" */ • Remove datasets • TProof::Open(“jungyu:default@kiaf.sdfarm.kr","masteronly"); • gProof->RemoveDataSet(“/default/jungyu/name-of-data-set”); HIPEx Local 20120518

  6. Staged on KISTI HIPEx Local 20120518

  7. plans • AliAnalysisTaskPerformanceStrange • run with (parts of) LHC10h, LHC11h on PROOF • cut, PID study • Background substractionand Fitting study • Discussion in advance • On going HMPID analysis • Performance : Update on LHC11h - GiacomoVolpe (INFN) • Plots on PID (track-by-tarck) – Levente Molar (Hungarian Academy of Sciences (HU) • Spectral Analysis : Francesco Barile(INFN) • https://indico.cern.ch/conferenceDisplay.py?confId=190037 • Jet on HMPID with PID : SonaPochybova (Hungarian Academy of Sciences (HU)) • https://indico.cern.ch/conferenceDisplay.py?confId=189078 • PID in jets with the HMPID : DavidePerrino(INFN) • https://indico.cern.ch/conferenceDisplay.py?confId=191029 • Correlations with the HMPID 20' Speaker: BencediGyula (Wigner Institute Budapest) , • https://indico.cern.ch/conferenceDisplay.py?confId=181670 • Try to contact during May-July visit HIPEx Local 20120518

  8. Plan and News https://hipex.phys.pusan.ac.kr/drupal/node/475 https://hipex.phys.pusan.ac.kr/drupal/node/495 VHMPID HIPEx Local 20120518

  9. Schedule • 5/31~6/11, 1st Beam Time • is more technical • the main aim is to commission and understand the pressurized system. • 6/25~7/9, 2nd Beam Time • The real serial measurement • with shifts for data taking and analysis. • September : GEM with liquid radiator. • ~ 3 weeks • share beam time with TPC upgrade test will be discussed • Oct.-Nov. : Beam Test, Physics Run. HIPEx Local 20120518

  10. Plan • HIPExer Visiting • 5/30 ~7/12 • Jihye & Jungyu : Flight, Housing Reserved - & Yoonsung? • Jungyu- What to do : contact person • Pressurized System Work/Study : CosimoPastore*, GyorgyBencze • Beam Test Shift : GyorgyBencze* et al. • Beam Test Analysis : Michael Weber*, Antonello Di Mauro, LeventeMonlar, GyorgyBencze • Plan will be present on Ko-ALICE meeting , May 23. HIPEx Local 20120518

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