CLAS Physics Database

Measurement E151M1460

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: 0.1702
Q2: 0.0291 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9299

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 30.0 0.5337 0.7918
0.15 42.0 -0.7657 0.4286
0.25 30.0 0.6922 0.5147
0.25 42.0 -0.2545 0.3954
0.25 54.0 -0.5711 0.384
0.35 30.0 -0.8269 0.458
0.45 42.0 0.3168 0.6852
0.45 270.0 -1.1798 0.521
0.45 282.0 -1.0794 0.6914
0.55 234.0 0.1629 0.9534
0.55 246.0 0.0196 0.5894
0.55 258.0 0.6134 0.5308
0.55 270.0 -0.0982 0.4602
0.55 282.0 1.4953 0.4497
0.65 126.0 -0.6262 0.9366
0.65 138.0 -1.6497 0.5257
0.65 222.0 1.0978 0.6257
0.65 234.0 -1.2603 0.5228
0.65 246.0 0.1178 0.4674
0.65 258.0 0.6171 0.4544
0.65 270.0 -0.2157 0.4715
0.65 282.0 0.2761 0.5994
0.75 126.0 1.361 0.5492
0.75 138.0 0.2198 0.5907
0.75 150.0 0.3317 0.6721
0.75 162.0 0.0386 0.7097
0.75 174.0 -0.5601 0.7637
0.75 186.0 0.1259 0.8337
0.75 198.0 1.4096 0.6328
0.75 210.0 -0.3676 0.8313
0.75 222.0 -0.4075 0.6369
0.75 234.0 0.4599 0.4572
0.75 246.0 0.8115 0.3874
0.75 258.0 0.4333 0.3971
0.75 270.0 0.8727 0.3912
0.75 282.0 -0.1575 0.6283
0.85 114.0 0.1542 0.817
0.85 126.0 -1.5289 0.5215
0.85 138.0 0.24 0.599
0.85 150.0 -0.7213 0.4932
0.85 162.0 0.3963 0.5712
0.85 174.0 0.679 0.5034
0.85 186.0 -0.2947 0.6289
0.85 198.0 -1.0938 0.6479
0.85 210.0 0.1862 0.8627
0.85 222.0 -0.5302 0.6141
0.85 234.0 -0.3142 0.501
0.85 246.0 -0.3499 0.4232
0.85 258.0 0.349 0.3755
0.85 270.0 -0.2715 0.5385
0.95 138.0 0.9986 0.6743
0.95 150.0 -0.4472 0.7785
0.95 162.0 -0.1103 0.7963
0.95 174.0 0.4727 0.6855
0.95 246.0 0.1759 0.5939
0.95 258.0 -0.3295 0.68
0.35 42.0 0.1726 0.5413
0.45 30.0 0.1794 0.6408
0.45 42.0 0.2286 0.5424
0.45 258.0 0.2445 0.6698
0.45 270.0 -0.9445 0.5321
0.55 246.0 -0.2892 0.4904
0.55 258.0 0.0015 0.3949
0.55 270.0 0.2666 0.3805
0.55 282.0 -0.2079 0.5454
0.65 126.0 -0.1034 0.5614
0.65 138.0 0.2476 0.6902
0.65 150.0 0.4965 0.6981
0.65 222.0 -0.3707 0.7091
0.65 234.0 0.3147 0.4333
0.65 246.0 -0.0308 0.3669
0.65 258.0 -0.0472 0.3258
0.65 270.0 0.4135 0.3225
0.65 282.0 0.8985 0.5563
0.75 114.0 0.2996 0.6565
0.75 126.0 -0.2334 0.4814
0.75 138.0 0.6984 0.4911
0.75 150.0 0.11 0.4076
0.75 162.0 -0.1475 0.4944
0.75 174.0 0.7419 0.4988
0.75 186.0 0.7152 0.546
0.75 210.0 1.0367 0.6168
0.75 222.0 -0.4135 0.4881
0.75 234.0 -0.1272 0.3932
0.75 246.0 0.4424 0.3117
0.75 258.0 -0.1157 0.271
0.75 270.0 0.3312 0.3497
0.75 282.0 0.1704 0.4647
0.85 114.0 -0.7713 0.6318
0.85 126.0 -0.0454 0.4815
0.85 138.0 -0.0855 0.4336
0.85 150.0 0.3957 0.4195
0.85 162.0 0.4512 0.4272
0.85 174.0 -0.467 0.4328
0.85 186.0 0.8214 0.525
0.85 198.0 1.0718 0.517
0.85 210.0 1.0325 0.5687
0.85 222.0 -0.4141 0.4502
0.85 234.0 -0.4272 0.3897
0.85 246.0 0.2871 0.3255
0.85 258.0 -0.1169 0.3241
0.85 270.0 0.0589 0.4379
0.95 222.0 0.915 0.6216
0.95 234.0 1.3666 0.4553
0.95 246.0 -0.9942 0.459