CLAS Physics Database

Measurement E151M1616

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALL
εL: 0.0598
Q2: 0.0496 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7046

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.45 30.0 1.1476 1.1867
0.45 42.0 0.8802 1.1557
0.55 138.0 -0.154 1.0321
0.55 150.0 0.6649 1.1597
0.55 222.0 0.3952 0.7973
0.55 234.0 -0.1306 0.723
0.55 246.0 0.1473 0.7888
0.65 126.0 0.4916 0.9026
0.65 138.0 1.5224 0.7109
0.65 150.0 0.0058 1.0874
0.65 198.0 0.4494 0.9936
0.65 210.0 -1.18 0.8112
0.65 222.0 0.7929 0.6622
0.65 234.0 1.0917 0.6992
0.65 246.0 1.3337 0.6497
0.75 138.0 1.2296 0.7457
0.75 150.0 -0.6602 0.7967
0.75 162.0 0.3808 0.971
0.75 210.0 -0.1602 0.9616
0.75 222.0 -0.2869 0.8952
0.75 234.0 0.7069 0.7785
0.75 246.0 0.1437 0.727
0.75 258.0 -0.4397 0.7179
0.85 210.0 1.3679 0.7063
0.85 222.0 -1.5657 0.6578
0.85 234.0 -0.2951 0.6302
0.85 246.0 -0.3189 0.8295
0.85 258.0 1.013 0.7914
0.95 126.0 0.953 0.8339
0.95 246.0 1.4014 0.4754
0.35 42.0 1.2064 0.7117
0.45 246.0 0.317 0.8452
0.55 138.0 -1.4055 0.7111
0.55 150.0 0.1144 0.7238
0.55 162.0 0.4361 0.766
0.55 210.0 1.4761 0.7197
0.55 234.0 -0.9503 0.6594
0.55 246.0 -0.1757 0.7182
0.65 126.0 0.3169 0.7743
0.65 138.0 0.0654 0.59
0.65 150.0 -0.5084 0.6137
0.65 162.0 -0.237 0.6993
0.65 210.0 0.0507 0.6411
0.65 222.0 0.3968 0.5904
0.65 234.0 -0.2319 0.663
0.65 246.0 0.5607 0.7083
0.65 258.0 -1.7811 0.7127
0.75 126.0 -0.0395 0.6043
0.75 138.0 -0.065 0.6168
0.75 150.0 -0.799 0.6678
0.75 162.0 -0.7462 0.7275
0.75 222.0 0.6164 0.6967
0.75 234.0 -0.7494 0.6045
0.75 246.0 -0.2533 0.5608
0.75 258.0 -0.6248 0.7097
0.85 126.0 0.2788 0.726
0.85 138.0 0.5158 0.7101
0.85 222.0 -0.4536 0.7292
0.85 234.0 0.7479 0.6405
0.85 246.0 0.7556 0.5211
0.85 258.0 -1.1092 0.6532
0.95 138.0 0.2095 0.7148
0.95 234.0 1.2021 0.6259
0.95 246.0 -0.7387 0.6207