Muon analysis – PS and SPS data Started May 21, 2012.

Muon analysis – PS and SPS data

Started May 21, 2012

-1 GeV/c beam

rpc/PS_muonmuon_14.fmuon_20.kumac

-2 GeV/c beam

-3 GeV/c beam

-4 GeV/c beam

-5 GeV/c beam

-6 GeV/c beam

rpc/PS_muonmuon_14.fmuon_20.kumac

-7 GeV/c beam

-8 GeV/c beam

-9 GeV/c beam

-9 GeV/c beam

-10 GeV/c beam

+10 GeV/c beam

+10 GeV/c beam

+8 GeV/c beam

+4 GeV/c beam

+6 GeV/c beam

SPS BeamJune 5, 2012

-30 GeV/c

-30 GeV/c

HW layer

SW Layer

211 213 214 215 216 217

11 10 51 45 40 72 93 92

16 15 92 92 72 64

27 26 64 59 62 70 74 76

31 30 23 21 17 19 15 28

33 32 66 67 66 67 67 71

36 35 54 57 40 23 52 68

41 40 79 79 79 77 80 82

42 41 89 84 53 43 33 33

47 46 12 5 54 61 16 5

48 47 78 76 77 76 75 75

49 48 67 67 68 68 69 72

50 49 75 74 75 77 76 77

53 52 15 14 13 9 9 14

Low efficiency layers in Middle

HW layers already at 6.3 kV: 13, 19, 22, 45,50

Increased HV from 6.0 -> 6.3 kV: HW layers 31,33,36,42,47,49,53

-30 GeV/c with ~900/spill

Rate: no problem

-30 GeV/c with lead foil scintillators and wire chambers in beam with ~1700/spill

Rate: first layers inefficient

-40 GeV/c with ~950/spill

-40 GeV/c with ~900/spill

-50 GeV/c with ~1650/spill

-50 GeV/c with ~1650/spill

-50 GeV/c with ~1650/spill

-50 GeV/c with ~1650/spill

SW Layer

HW Layer

224 226 227 228 229

16 15 68 56 57 65 7920 19 78 77 74 76 7527 26 78 74 75 76 7632 31 67 19 14 11 733 32 67 68 68 69 6839 38 86 85 80 79 7747 46 72 96 96 95 9548 47 79 79 80 80 8050 49 77 77 77 78 7753 52 66 66 66 62 63

Need adjustment: HW layers 16,20,76,32,33,39,50,53Recently adjusted: HW layers 31,33,36,42,47,49,53

June 7, 2012

-120 GeV/c with ~250/spill

-60 GeV/c with ~1250/spill

-60 GeV/c with ~1250/spill

-60 GeV/c with ~1000/spill