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Measurement E151M1754

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: 0.1393
Q2: 0.0415 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9469

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 30.0 -0.8691 0.7355
0.15 42.0 -0.4761 0.7103
0.25 30.0 0.1818 0.8273
0.25 66.0 0.8938 0.65
0.25 294.0 0.0502 0.6299
0.25 306.0 0.4943 0.57
0.35 66.0 -0.7341 0.4735
0.35 78.0 0.0636 0.4789
0.35 90.0 0.0914 0.6452
0.35 282.0 -0.2819 0.5976
0.35 294.0 0.218 0.4374
0.35 306.0 -0.1824 0.4941
0.45 66.0 0.3016 0.4929
0.45 78.0 -0.1458 0.396
0.45 90.0 0.4608 0.4581
0.45 270.0 0.806 0.5594
0.45 282.0 -0.5846 0.411
0.45 294.0 -0.6754 0.3644
0.45 306.0 -0.744 0.4929
0.55 66.0 -0.6065 0.5509
0.55 78.0 0.3092 0.4196
0.55 90.0 -0.4092 0.4169
0.55 102.0 -0.1407 0.6816
0.55 114.0 -0.6995 0.7225
0.55 126.0 -0.2707 0.7058
0.55 246.0 0.3394 0.6344
0.55 258.0 -0.4046 0.5902
0.55 270.0 0.4187 0.5265
0.55 282.0 -0.2742 0.4456
0.55 294.0 0.0921 0.492
0.65 66.0 0.1447 0.6406
0.65 78.0 0.221 0.43
0.65 90.0 0.8254 0.632
0.65 102.0 -0.2526 0.5757
0.65 114.0 -0.4495 0.5177
0.65 126.0 -0.5809 0.46
0.65 138.0 -0.4198 0.5223
0.65 210.0 -0.1929 0.6869
0.65 222.0 0.206 0.5249
0.65 234.0 -0.8249 0.4055
0.65 246.0 0.9505 0.365
0.65 258.0 -0.2527 0.4281
0.65 270.0 -0.4511 0.5655
0.65 282.0 0.6521 0.6379
0.75 78.0 -0.6726 0.6816
0.75 90.0 2.4398 2.4398
0.75 102.0 0.1257 0.5372
0.75 114.0 0.774 0.4012
0.75 126.0 0.066 0.4544
0.75 138.0 0.115 0.4158
0.75 150.0 -0.0255 0.5059
0.75 162.0 -0.1752 0.6749
0.75 210.0 -0.2794 0.58
0.75 222.0 -0.1131 0.4508
0.75 234.0 -0.3198 0.3785
0.75 246.0 0.6239 0.3377
0.75 258.0 0.1507 0.409
0.75 270.0 0.4861 0.5588
0.85 102.0 -0.1578 0.7775
0.85 114.0 0.0214 0.5287
0.85 126.0 -0.4911 0.4145
0.85 138.0 0.156 0.4437
0.85 150.0 0.4227 0.5331
0.85 162.0 -0.7421 0.7064
0.85 198.0 0.5064 0.7164
0.85 210.0 0.5669 0.4881
0.85 222.0 0.4512 0.4403
0.85 234.0 -0.1194 0.4085
0.85 246.0 0.5116 0.3236
0.85 258.0 0.9574 0.3428
0.85 270.0 -0.2916 0.4989
0.95 210.0 -0.8204 0.6693
0.95 222.0 0.4588 0.581
0.95 234.0 -0.0675 0.536
0.95 246.0 1.2996 0.5446
Created in SINP MSU, CLAS Collaboration