'Reconstruction efficiency' diaporamas de présentation

Probing the Spin Structure of the Proton at STAR

Probing the Spin Structure of the Proton at STAR. Justin Stevens for the Collaboration. Parton Distributions in Nucleons. Parton Distribution Function: Probability density for finding a parton with flavor f and momentum fraction x in a nucleon

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Electroweak Measurements at CDF

610 views • 47 slides

Status of the measurement of K L lifetime

Status of the measurement of K L lifetime. May 19th, 2004. Data sample: ~ 440 pb -1 (2001+2002) MC sample: ~125 pb -1 ( mk0 stream , january production) Selection: standard tag (| DM K S | < 5 MeV, | D p*|< 10 MeV) : e ~ 63%.

520 views • 44 slides

DATA QUALITY AND STRATEGIES FOR EARLY CALIBRATION at LHC

missing energy. energy. energy. ATLAS. energy. DATA QUALITY AND STRATEGIES FOR EARLY CALIBRATION at LHC. Strategy for commissioning with early data Data quality assessment Calibration and alignment Expected performances in early stage Evaluation of detector performances

490 views • 35 slides

V.Nikolaenko, IHEP Protvino Used Z0+jets AOD DataSets after ALPGEN Produced D3PD using EWPA vsn 3.32 Np0_merge_tid060297_tid060298.root Np1_merge_tid060726_tid060727.root Np2_merge_tid060299_tid060300.root Np3_merge_tid060728_tid060729.root Np4_merge_tid061150_tid061151.root

482 views • 28 slides

Hadronic B Decays at BELLE and BABAR

Hadronic B Decays at BELLE and BABAR. Sheng-Wen Lin National Taiwan University. B ?K ?, ?? and KK Ratios of Branching Fractions Observation of B + ?K + K 0 and B 0 ?K 0 K 0 A CP of K + ? - , K + ? 0 and ? + ? 0 B + ? ? + K 0 B 0 ? ? 0 ? 0 B 0 ? ? K*

355 views • 26 slides

Boris Mangano University of California, San Diego

Performance of Track and Vertex Reconstruction and B-Tagging Studies with CMS in pp Collisions at sqrt(s)=7 TeV. Boris Mangano University of California, San Diego. On behalf of the CMS collaboration. CMS Tracking in a nutshell. Seeding starts from innermost pixel layers.

343 views • 25 slides

Charged kaon lifetime

P. Massarotti. Charged kaon lifetime. Sammary:. Events selection Reconstruction efficiency t measure Conclusions. K. vtx. K mn tag. L i. K. m. Strategy. Signal selection Self triggering muon tag K track on the signal side Decay vertex

345 views • 22 slides

A Feasibility Study for a Strange Sea Asymmetry Analysis at ATLAS: update II

A Feasibility Study for a Strange Sea Asymmetry Analysis at ATLAS: update II. Laura Gilbert and Jeff Tseng 13/12/07. OUTLINE . Reminder: Analysis technique: W+D* Selection and Results Background Round-up Irreducible Backgrounds: Results Electroweak Backgrounds: Results so far

350 views • 21 slides

TPC Detector Response Simulation and Track Reconstruction

TPC Detector Response Simulation and Track Reconstruction. Physics goals at the Linear Collider drive the detector performance goals: charged particle track reconstruction resolution: d (1/p)= ~ 4 x 10 -5 /GeV

358 views • 21 slides

TPC Detector Response Simulation and Track Reconstruction

TPC Detector Response Simulation and Track Reconstruction. Physics goals at the Linear Collider drive the detector performance goals: charged particle track reconstruction resolution: d (1/p)= ~ 4 x 10 -5 /GeV

327 views • 19 slides

TPC Detector Response Simulation and Track Reconstruction

TPC Detector Response Simulation and Track Reconstruction. Physics goals at the Linear Collider drive the detector performance goals: charged particle track reconstruction resolution: d (1/p)= ~ 4 x 10 -5 /GeV

192 views • 19 slides

High Precision Measurements of B s Parameters in B s ?J/ ? ?

High Precision Measurements of B s Parameters in B s ?J/ ? ?. Roger Jones University of Lancaster United Kingdom for the ATLAS B-physics Group. Beauty 2005, Assisi, Italy. Overview of ATLAS. Weight: 7000 tonnes. Length: 46m. Muon chambers. Barrel toroid. Radius: 11m. EM calorimeter.

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MC study of W polarization and ttbar spin correlation

MC study of W polarization and ttbar spin correlation. Liu Minghui, Zhu Chengguang April 27, 2008. Outline. 1. Physics motivation 2. Study of W polarization and ttbar spin correlation 3. Summary. Physics Motivation (1). top production:

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Top FCNC: preliminary studies in CMS

274 views • 16 slides

Six modules Micromegas TPC beam test & Test bench

284 views • 15 slides

Linked List Segment Builder

Linked List Segment Builder. Major improvements as of t01.53.00 LL algorithm default in t01.54.00 Efficiencies Resolutions Timing Ran on single ?, 5-100 GeV. LL efficiency. Total efficiency: 97.8%. Combi efficiency. Total efficiency: 90.1%. Efficiency calculation.

207 views • 12 slides

Transverse Momentum Spectrum of in Au+Au @ 200GeV at RHIC STAR

Transverse Momentum Spectrum of in Au+Au @ 200GeV at RHIC STAR. Weekly Update. Xiao Bin. Wang. Wangxb@ihep.ac.cn. High Energy Center, Tsinghua U., Beijing. 100084. Error bars shown are of statistical only !. By Hui Long , UCLA. Error bars shown are of statistical only !.

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Tracking for lepton physics

201 views • 11 slides

Studies of the Electron charge misidentification rate

106 views • 10 slides