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Beam Analysis for PS/SPS Secondary Particles

Study of secondary particles from beam analysis at PS and SPS, including event selection criteria and calibration methods. Investigating pions, protons, muons, and electron hits in various layers. Analysis of data sets and run plans for different energy points.

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Beam Analysis for PS/SPS Secondary Particles

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  1. Secondary beam analysis – PS and SPS Started May 22, 2012

  2. rpc/PS_pion pion_2.f pion_11.kumac or pion_11_1GeV.kumac Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 pions: C1 = C2 = 0 and BC<8 muons: N > 20 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  3. Not enough memory for run 109 Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  4. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  5. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  6. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  7. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  8. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  9. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  10. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  11. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = C2 = 0 and BC<8 and R > 2.0 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

  12. rpc/PS_pion/PS_summary.kumac No calibration whatsoever Calibration with muon response

  13. Fits

  14. rpc/PS_pion/PS_summary_alpha.kumac runs calib_1.f Calibration study α=0.4 This is interesting. It appears that a linear calibration does not work as well as a calibration attenuated by a power…

  15. Positive beam rpc/PS_pion pion_2.f pion_11_pos.kumac Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = 0 and C2 = 1 and BC<8 and R > 2.0 protons: C1 = 0 and C2 = 0 and BC<8 and R > 2.0 muons: N > 10 and C1 = 0 and C2 = 1 and BC>20and Hits in last 2 layers and r<2.0 Run 660177

  16. Run 660178

  17. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = 0 and C2 = 1 and BC<8 and R > 2.0 protons: C1 = 0 and C2 = 0 and BC<8 and R > 2.0 muons: N > 10 and C1 = 0 and C2 = 1 and BC>20and Hits in last 2 layers and r<2.0

  18. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = 0 and C2 = 1 and BC<8 and R > 2.0 protons: C1 = 0 and C2 = 0 and BC<8 and R > 2.0 muons: N > 10 and C1 = 0 and C2 = 1 and BC>20and Hits in last 2 layers and r<2.0

  19. Event selection all: 1 cluster in layer 0 with at most 3 hits electrons: C1 = C2 =1 and BC < 8 pions: C1 = 0 and C2 = 1 and BC<8 and R > 2.0 protons: C1 = 0 and C2 = 0 and BC<8 and R > 2.0 muons: N > 10 and C1 = 0 and C2 = 1 and BC>20and Hits in last 2 layers and r<2.0

  20. SPS Run Plan Rates Spills of 9 seconds every 45 seconds -> 720 seconds/hour or 17,280 seconds/day At 50 GeVassume maximum of 100 Hz -> 72,000 events/hour or 1,728,000 events/day At 100 GeV assume maximum of 50 Hz -> 36,000 events/hour or 864,000 events/day Data sets Assume minimum of 500,000 events per energy point Overall plan Start June 4th in evening (days start at 8 am) 4,5,7,8 -> -50 GeV 6 -> Machine development 9,10, 11, 12 -> -180 13,14,15,16,17 -> +180 July 30 - August 6 -> 7 days: muons, (+180 GeV), high energy run (<300 GeV) November 2-9 -> 7 days: muons (+180 GeV), reserve or high energy again

  21. -120 GeV running (4.5 days) 50, 40 (e and pions), {30 (e and pions),} 60, 80, 100, 120 -180 GeV running (2 days) 120, 150, 180 -30 GeV running (1 day) {30 (e and pions),} 20 (e and pions), {10 (e and pions)} +180 GeV running (5 days) Muons 60, 70, 80, 90 (with Cerenkov tagging of pions) 120, 150, 180

  22. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: C1 = 0 and C2 = 0 and IL>2and and no hits in last 4 layers muons: BC>20 and Hits in last 4 layers and r<3.0 660211 660217

  23. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: No hits in last 4 layers muons: BC>20 and hits in last 4 layers and r<3.0 660223 660224

  24. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: No hits in last 4 layers muons: BC>20 and hits in last 4 layers and r<3.0 660226 660227

  25. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: No hits in last 4 layers muons: BC>20 and hits in last 4 layers and r<3.0 660228 660229

  26. June 7, 2012 Study of time difference fort.91 pion_19.kumac • Some hits far off in both • + and – direction • - From now on, only • take -18,-19

  27. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: No hits in last 4 layers muons: BC>20 and hits in last 4 layers and r<3.0 660233 660234

  28. Event selection all: 1 cluster in layer 0 with at most 3 hits pions: No hits in last 4 layers muons: BC>20 and hits in last 4 layers and r<3.0

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