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Measurement E151M1976

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: 0.3691
Q2: 0.0844 GeV2
W: 1295.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9635

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 306.0 -0.3295 0.4823
0.25 66.0 -0.1404 0.4779
0.25 78.0 -0.424 0.5149
0.25 294.0 0.0759 0.4549
0.25 306.0 1.0475 0.3791
0.35 66.0 0.4609 0.3819
0.35 78.0 -0.4243 0.4209
0.35 282.0 0.7195 0.583
0.35 294.0 0.0166 0.3946
0.35 306.0 0.148 0.4575
0.45 66.0 -0.6027 0.3755
0.45 78.0 -0.6658 0.3441
0.45 90.0 -0.4247 0.4997
0.45 282.0 0.28 0.5071
0.45 294.0 0.0791 0.4347
0.55 66.0 0.1464 0.4453
0.55 78.0 0.2152 0.3433
0.55 90.0 0.6165 0.5302
0.55 270.0 0.2299 0.4502
0.55 282.0 -0.5531 0.4471
0.65 78.0 -2.1847 1.4949
0.65 90.0 1.3651 1.7784
0.65 102.0 1.9254 1.9435
0.65 114.0 1.7934 2.0113
0.65 246.0 0.8801 1.5478
0.65 258.0 1.0504 1.2407
0.65 270.0 2.2515 1.0807
0.65 282.0 2.6875 1.101
0.75 90.0 1.0181 1.7833
0.75 102.0 0.771 1.6381
0.75 114.0 0.9166 1.5338
0.75 126.0 -0.4819 1.905
0.75 234.0 2.3801 1.6566
0.75 246.0 -2.1507 1.2228
0.75 258.0 -0.6399 0.9142
0.75 270.0 -0.1365 1.0827
0.75 282.0 -1.568 1.2501
0.85 102.0 -1.8534 1.6119
0.85 114.0 -2.1741 1.4337
0.85 126.0 0.5947 1.5326
0.85 138.0 -0.5689 1.5086
0.85 150.0 3.1288 1.5722
0.85 162.0 0.6877 2.2177
0.85 222.0 2.9895 1.8254
0.85 234.0 1.706 1.3664
0.85 246.0 -2.0893 1.3716
0.85 258.0 -0.4409 1.1603
0.85 270.0 1.6744 1.1867
0.85 282.0 0.3566 1.4172
0.95 114.0 4.2343 5.4122
0.95 126.0 3.2523 4.9153
0.95 138.0 -6.4878 5.9763
0.95 150.0 -0.6443 5.1509
0.95 162.0 6.3074 6.1126
0.95 186.0 -1.7212 6.4589
0.95 198.0 1.4357 5.7494
0.95 222.0 14.6971 14.6971
0.95 234.0 5.0738 5.2556
0.95 246.0 17.3544 17.3544
0.95 258.0 1.7775 4.9745
0.55 294.0 0.083 0.4708
0.65 78.0 0.0635 0.5106
0.65 90.0 0.4383 0.5476
0.65 102.0 -0.269 0.6416
0.65 246.0 -0.3332 0.5511
0.65 258.0 0.3082 0.399
0.65 270.0 0.0575 0.4148
0.65 282.0 0.5472 0.4629
0.75 90.0 0.1393 0.5722
0.75 102.0 -0.6359 0.4549
0.75 114.0 0.3059 0.463
0.75 126.0 -0.1283 0.5531
0.75 138.0 -0.3782 0.6054
0.75 234.0 -0.8156 0.507
0.75 246.0 -1.0057 0.4216
0.75 258.0 0.1306 0.3643
0.75 270.0 0.1452 0.3344
0.75 282.0 -0.2486 0.4259
0.85 90.0 0.0656 0.6493
0.85 102.0 -0.7586 0.4614
0.85 114.0 0.9396 0.4583
0.85 126.0 0.0259 0.4059
0.85 138.0 1.0577 0.4812
0.85 150.0 1.0413 0.5986
0.85 162.0 -0.4112 0.7391
0.85 198.0 0.489 0.7681
0.85 222.0 0.779 0.5173
0.85 234.0 0.2126 0.5192
0.85 246.0 1.0194 0.4538
0.85 258.0 -0.1639 0.4253
0.85 270.0 1.0677 0.3714
0.85 282.0 0.4684 0.5662
0.95 102.0 2.7546 0.8755
0.95 114.0 -0.4131 0.9522
0.95 126.0 0.1588 0.7777
0.95 138.0 0.7584 0.8256
0.95 150.0 0.6664 0.9293
0.95 162.0 -0.3654 1.1404
0.95 174.0 1.7159 1.1937
0.95 186.0 1.7105 1.0389
0.95 210.0 0.9732 0.9735
0.95 222.0 0.5376 1.0058
0.95 234.0 0.9517 0.8853
0.95 246.0 1.2523 0.7812
0.95 258.0 0.8439 0.818
0.95 270.0 0.6217 0.9438
Created in SINP MSU, CLAS Collaboration