CLAS Physics Database

Measurement E151M845

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: 0.0776
Q2: 0.0496 GeV2
W: 1505.0 GeV
Ebeam: 2.2596 GeV
ε: 0.914

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 3.0408 1.5109
0.25 78.0 1.0201 0.4929
0.35 54.0 1.0764 1.4302
0.35 66.0 -0.2604 1.088
0.35 78.0 -2.0977 0.8439
0.35 90.0 -2.1145 1.1336
0.35 270.0 -0.004 1.0437
0.35 282.0 0.2355 0.9514
0.35 294.0 1.3602 1.1866
0.45 66.0 -0.0042 1.0437
0.45 78.0 2.165 1.132
0.45 90.0 -0.4541 1.3111
0.45 114.0 -0.4941 1.6443
0.45 258.0 -1.8041 1.0101
0.45 270.0 -0.0669 0.9191
0.45 282.0 0.724 0.921
0.45 294.0 0.0141 1.0445
0.55 78.0 0.9654 1.2837
0.55 102.0 3.2141 1.8971
0.55 114.0 0.5095 1.2225
0.55 126.0 -1.0191 1.1189
0.55 138.0 -1.0886 1.2519
0.55 222.0 0.5013 1.3441
0.55 246.0 1.2412 1.4418
0.55 258.0 1.0816 1.4503
0.55 270.0 0.9007 0.9965
0.55 282.0 1.6595 0.9121
0.55 294.0 -0.5933 1.0788
0.65 66.0 -0.8806 1.2952
0.65 78.0 0.4946 1.4972
0.65 102.0 -2.4419 1.2156
0.65 114.0 2.1171 1.2987
0.65 126.0 0.8545 1.1314
0.65 138.0 -0.1953 1.3461
0.65 150.0 -3.6262 1.093
0.65 198.0 -0.7345 1.3087
0.65 210.0 0.7348 1.3291
0.65 222.0 0.722 1.0159
0.65 234.0 2.2263 1.4006
0.65 246.0 -0.8343 1.1141
0.65 258.0 2.5845 1.4066
0.65 270.0 -0.8694 1.113
0.65 282.0 1.6782 1.4371
0.65 294.0 -0.0538 1.1562
0.75 66.0 -0.3575 1.6895
0.75 102.0 1.7766 1.7922
0.75 114.0 -0.9996 1.2301
0.75 126.0 0.7423 1.2243
0.75 138.0 -0.5067 1.4199
0.75 150.0 -0.9733 1.3345
0.75 210.0 -0.7871 1.2802
0.75 222.0 0.4044 1.2999
0.75 234.0 0.0822 1.216
0.75 246.0 1.8603 1.341
0.75 282.0 1.1127 0.9889
0.75 294.0 1.4339 1.2855
0.85 90.0 -0.6467 1.8871
0.85 102.0 -2.9104 1.3968
0.85 114.0 -2.2675 1.5759
0.85 198.0 0.9274 1.6835
0.85 210.0 0.5248 1.802
0.85 222.0 4.7246 1.5635
0.85 234.0 1.3415 1.2857
0.85 246.0 2.4472 1.5108
0.85 258.0 1.2722 1.6709
0.95 234.0 -0.0283 4.3675
0.25 282.0 1.2071 0.6181
0.25 294.0 0.7105 0.6234
0.35 66.0 -0.4061 0.3874
0.35 78.0 -0.1666 0.4121
0.35 90.0 -0.6134 0.5317
0.35 270.0 -0.2157 0.4814
0.35 282.0 -0.1394 0.3765
0.35 294.0 -0.0214 0.447
0.45 66.0 0.2609 0.4734
0.45 78.0 -0.3786 0.3729
0.45 90.0 -0.1359 0.4247
0.45 102.0 -0.9315 0.502
0.45 114.0 -0.5521 0.4649
0.45 258.0 0.9872 0.6285
0.45 270.0 -0.5483 0.3744
0.45 282.0 0.6306 0.3383
0.45 294.0 0.7143 0.5282
0.55 66.0 0.2703 0.5837
0.55 78.0 0.4682 0.429
0.55 90.0 -0.2055 0.4412
0.55 114.0 -0.133 0.4862
0.55 126.0 -0.1339 0.522
0.55 138.0 0.0225 0.5429
0.55 150.0 -0.5206 0.6601
0.55 210.0 0.8924 0.6435
0.55 234.0 -0.137 0.6149
0.55 246.0 1.7057 0.633
0.55 258.0 0.2589 0.4654
0.55 270.0 0.2905 0.3914
0.55 282.0 0.3703 0.3992
0.65 66.0 -0.9671 0.3833
0.65 78.0 -0.4473 0.4039
0.65 114.0 -0.4114 0.3882
0.65 126.0 -1.1433 0.3548
0.65 138.0 -0.7775 0.4033
0.65 150.0 -0.5449 0.5584
0.65 186.0 0.2462 0.736
0.65 198.0 2.1316 0.6775
0.65 210.0 0.9423 0.5288
0.65 222.0 0.5598 0.5
0.65 234.0 0.5062 0.4164
0.65 246.0 0.5341 0.5421
0.65 258.0 -0.7791 0.4529
0.65 270.0 0.5645 0.4644
0.65 282.0 0.3852 0.6324
0.65 294.0 -0.399 0.4041
0.75 102.0 0.0162 0.5855
0.75 114.0 0.0398 0.4674
0.75 126.0 -0.79 0.4025
0.75 138.0 0.0745 0.5484
0.75 150.0 0.9103 0.6806
0.75 186.0 -0.622 0.6974
0.75 198.0 1.825 0.6133
0.75 210.0 1.9444 0.572
0.75 222.0 0.323 0.4776
0.75 234.0 0.7483 0.4989
0.75 246.0 1.557 0.5499
0.75 282.0 0.4988 0.411
0.75 294.0 0.2721 0.5412
0.85 90.0 0.235 0.656
0.85 102.0 0.4649 0.5638
0.85 114.0 -0.3549 0.5365
0.85 126.0 -1.1946 0.5289
0.85 186.0 0.8922 0.8864
0.85 210.0 -0.9872 0.5731
0.85 222.0 0.4759 0.5538
0.85 234.0 -0.233 0.4866
0.85 246.0 0.0302 0.533
0.85 258.0 0.2382 0.6825
0.95 210.0 0.3143 1.1877
0.95 222.0 1.9222 1.0808
0.95 234.0 2.4556 1.1053