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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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 2.0 muons: N > 10 and C1 = C2 = 0 and BC>20 Hits in last 2 layers

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rpc/PS_pion/PS_summary.kumac No calibration whatsoeverCalibration with muon response

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Fits βα c Fit 165.67 ± 0.1 Fit 261.3 ± 0.3 11.0 ± 0.3 Fit 30.0 ± 2.9 61.3 ± 0.2 11.0 ± 0.2

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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… rpc/PS_pion/PS_summary_alpha.kumac runs calib_1.f

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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>20 and Hits in last 2 layers and r<2.0 Run 660177

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Run 660178

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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>20 and Hits in last 2 layers and r<2.0

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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>20 and Hits in last 2 layers and r<2.0

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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>20 and Hits in last 2 layers and r<2.0

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βα c Fit 165.67 ± 0.1 Fit 261.3 ± 0.3 11.0 ± 0.3 Fit 30.0 ± 2.9 61.3 ± 0.2 11.0 ± 0.2 p fit54.4 ± 0.620.2 ± 1.7

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SPS Run Plan Rates Spills of 9 seconds every 45 seconds -> 720 seconds/hour or 17,280 seconds/day At 50 GeV assume 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 4 th 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

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-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

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

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660224 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

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660227 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

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660229 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

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

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660233 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 660234

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Momentum# of events 30692,285 40325,803 50886,201 60362,840 800 1000 12015,476 TOTAL2,282,705

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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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