CLAS Physics Database

Measurement E151M388

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: AUL
εL: 0.0225
Q2: 0.0171 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7324

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 30.0 -1.0832 0.4939
0.45 42.0 0.749 0.557
0.45 150.0 -0.2607 0.6364
0.45 210.0 0.3406 0.6237
0.45 222.0 1.3131 0.5217
0.55 30.0 0.1877 0.5991
0.55 42.0 0.3658 0.5148
0.55 126.0 0.3349 0.6418
0.55 138.0 0.0628 0.4655
0.55 150.0 -0.3699 0.5036
0.55 210.0 0.7971 0.4735
0.55 222.0 0.7404 0.3887
0.55 234.0 0.2465 0.5163
0.55 246.0 0.245 0.5595
0.65 126.0 -0.0261 0.5575
0.65 138.0 -0.9803 0.4555
0.65 150.0 -0.5621 0.4385
0.65 162.0 -0.518 0.6111
0.65 198.0 0.1591 0.6082
0.65 210.0 0.7849 0.5117
0.65 222.0 0.6681 0.4563
0.65 234.0 0.7007 0.4332
0.65 246.0 0.4531 0.5012
0.75 138.0 -1.0718 0.5454
0.75 150.0 -0.2562 0.5839
0.75 210.0 0.06 0.4732
0.75 222.0 -0.2023 0.4348
0.75 234.0 1.0048 0.4377
0.75 246.0 0.4337 0.5106
0.85 114.0 -0.3814 0.592
0.85 126.0 -1.4616 0.4397
0.85 138.0 -0.8767 0.5013
0.85 150.0 -0.288 0.5814
0.85 198.0 1.068 0.5719
0.85 210.0 -0.0129 0.5386
0.85 222.0 0.2755 0.4656
0.85 234.0 0.3307 0.4509
0.85 246.0 0.9588 0.5325
0.35 42.0 0.8212 1.0847
0.45 18.0 -0.1713 0.8744
0.45 30.0 0.746 1.0789
0.45 42.0 1.6241 1.2719
0.45 138.0 -0.8118 0.6715
0.45 210.0 1.3913 1.3073
0.45 222.0 -0.7812 0.5103
0.45 234.0 0.0039 0.6126
0.55 18.0 -0.5131 0.7309
0.55 30.0 -0.0698 0.7665
0.55 42.0 3.3678 3.3678
0.55 138.0 -1.078 0.5655
0.55 150.0 -0.9306 0.5394
0.55 162.0 -0.0608 0.9335
0.55 210.0 -0.5052 0.5912
0.55 222.0 1.3211 0.7581
0.55 234.0 0.4649 0.855
0.55 246.0 -0.1885 0.6586
0.65 138.0 0.2951 0.9539
0.65 150.0 -0.8862 0.59
0.65 162.0 0.74 1.1128
0.65 210.0 1.2103 0.7841
0.65 222.0 0.8449 0.7201
0.65 234.0 1.4571 0.7028
0.65 246.0 -0.4601 0.5307
0.75 150.0 -0.3668 0.779
0.75 210.0 0.7669 0.8407
0.75 222.0 -0.0312 0.5575
0.75 234.0 0.6737 0.7128
0.75 246.0 -0.141 0.6424
0.85 126.0 -1.0487 0.503
0.85 222.0 0.2795 0.6409
0.85 234.0 -0.3148 0.5604
0.85 246.0 -0.5405 0.6479