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Beam Halo tracks in data

Andrea Parenti 25/08/2010. Beam Halo tracks in data. Data sample. Datasets: /Cosmics/Commissioning10-StreamTkAlBeamHalo-v8/ALCARECO /Cosmics/Commissioning10-StreamTkAlBeamHalo-v9/ALCARECO /Cosmics/Run2010A-StreamTkAlBeamHalo-v1/ALCARECO /Cosmics/Run2010A-TkAlBeamHalo-v2/ALCARECO

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Beam Halo tracks in data

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  1. Andrea Parenti 25/08/2010 Beam Halo tracks in data

  2. A. Parenti Data sample • Datasets: • /Cosmics/Commissioning10-StreamTkAlBeamHalo-v8/ALCARECO • /Cosmics/Commissioning10-StreamTkAlBeamHalo-v9/ALCARECO • /Cosmics/Run2010A-StreamTkAlBeamHalo-v1/ALCARECO • /Cosmics/Run2010A-TkAlBeamHalo-v2/ALCARECO • /Cosmics/Run2010A-TkAlBeamHalo-v4/ALCARECO • Run Range: 132514-142189 (01.04.2010-ongoing)‏ • Number of events: 1419568 • only runs with > 1000 events have been analyzed • Beam Halo MC: • /BeamHalo/Summer09-STARTUP31X_V7_StreamTkAlBeamHalo-v1/ALCARECO • 100k events have been analyzed

  3. A. Parenti Event + Track selection • Event election (data only): • 0<nTrk<3 • Track selection: • TrackRefitterBHM • pMin=2.5 • nHitMin=8 • minHitsPerSubDet.inENDCAPplus=1 • minHitsPerSubDet.inENDCAPminus=1 • Selected tracks (usual cuts): 27728

  4. A. Parenti Angular distributions • Black solid line: data • Red dashed line: MC

  5. A. Parenti Momenta distributions

  6. A. Parenti N_hits distributions

  7. A. Parenti N_hits distributions • Data: • Monte Carlo:

  8. A. Parenti First hit distributions • Data: • Monte Carlo:

  9. A. Parenti First hit distributions • Data: • Monte Carlo:

  10. A. Parenti Event displays • A couple of nice events in data:

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