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Measurement E151M2251

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: 0.4264
Q2: 0.2915 GeV2
W: 1445.0 GeV
Ebeam: 2.999 GeV
ε: 0.9335

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.05 54.0 0.9389 0.733
0.05 294.0 -1.0475 0.7645
0.15 54.0 0.0268 0.7982
0.15 66.0 0.4285 0.7031
0.15 282.0 0.4789 0.8717
0.15 294.0 2.2333 0.5994
0.15 306.0 0.7769 0.8426
0.25 54.0 -1.6948 0.8433
0.25 66.0 0.0128 0.8538
0.25 282.0 -0.2126 0.698
0.25 294.0 -0.1095 0.5892
0.25 306.0 0.1186 0.6799
0.35 54.0 0.3543 0.7796
0.35 66.0 0.8261 0.687
0.35 78.0 -0.9926 0.9426
0.35 90.0 1.1698 0.8927
0.35 282.0 -1.5497 0.5897
0.35 294.0 0.3246 0.6491
0.45 54.0 1.1263 0.8326
0.45 78.0 0.0692 0.8794
0.45 90.0 -0.2745 0.824
0.45 102.0 -0.0838 0.7596
0.45 282.0 -0.7181 0.6377
0.45 294.0 -0.0375 0.6808
0.55 78.0 0.5679 0.7606
0.55 90.0 0.2454 0.5861
0.55 102.0 0.4333 0.5913
0.55 114.0 0.3943 0.7866
0.55 258.0 1.8874 0.6705
0.55 282.0 0.3021 0.7898
0.55 294.0 -0.2356 0.7818
0.55 306.0 -0.4042 0.7753
0.65 78.0 -0.4966 0.5143
0.65 90.0 -0.1696 0.5242
0.65 102.0 0.9804 0.5194
0.65 114.0 -0.2398 0.6745
0.65 246.0 -0.7251 0.6424
0.65 258.0 0.9209 0.5718
0.65 270.0 -0.1715 0.66
0.65 282.0 -0.2282 0.6891
0.65 306.0 -0.0047 0.748
0.75 54.0 0.0892 0.6086
0.75 66.0 0.2882 0.6938
0.75 78.0 1.1446 0.5599
0.75 90.0 0.6713 0.4866
0.75 102.0 0.4729 0.509
0.75 114.0 -0.807 0.5919
0.75 126.0 0.2415 0.6847
0.75 138.0 -0.2192 0.9056
0.75 210.0 0.9872 0.9719
0.75 222.0 0.4008 0.8392
0.75 234.0 -1.395 0.5219
0.75 246.0 0.4234 0.5465
0.75 258.0 0.611 0.5317
0.75 270.0 0.5551 0.4991
0.75 282.0 0.8846 0.6247
0.75 294.0 0.1005 0.7849
0.85 54.0 0.3493 0.5205
0.85 66.0 -0.0652 0.6273
0.85 78.0 2.1486 0.6877
0.85 90.0 0.7181 0.4886
0.85 102.0 -0.0114 0.5509
0.85 114.0 -0.3164 0.5198
0.85 126.0 0.3707 0.631
0.85 138.0 1.5165 0.8206
0.85 186.0 0.3771 1.0092
0.85 198.0 1.315 0.7618
0.85 210.0 1.0347 0.6838
0.85 222.0 0.1833 0.6302
0.85 234.0 -0.1232 0.5505
0.85 246.0 0.3078 0.5036
0.85 258.0 0.8691 0.4514
0.85 270.0 0.2376 0.4193
0.85 282.0 -0.5732 0.4643
0.85 294.0 0.6158 0.4831
0.85 306.0 -0.1312 0.53
0.85 318.0 -0.537 0.7587
0.95 54.0 1.5653 0.6935
0.95 90.0 0.5308 0.8596
0.95 102.0 0.1889 0.8619
0.95 114.0 0.7081 0.7493
0.95 198.0 0.4211 0.839
0.95 210.0 -0.4021 0.7169
0.95 222.0 -0.1375 0.8403
0.95 234.0 0.5767 0.711
0.95 246.0 -0.333 0.4903
0.95 258.0 0.2005 0.5689
0.95 270.0 0.4054 0.5242
0.95 282.0 -0.1338 0.4551
0.95 294.0 -0.7311 0.4143
0.95 306.0 0.4209 0.453
0.95 318.0 0.2866 0.4955
0.95 330.0 0.1103 0.6811
Created in SINP MSU, CLAS Collaboration