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Beam Halo tracks in data

Explore beam halo tracks in data samples for particle detection. Analyzed datasets include Cosmics and Run2010A, with detailed event and track selection criteria. Comparative analysis of angular distributions, momenta, and hit distributions between data and Monte Carlo simulations.

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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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