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Measurement E151M1044

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: 0.4873
Q2: 0.496 GeV2
W: 1475.0 GeV
Ebeam: 2.999 GeV
ε: 0.8952

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 282.0 -0.3127 0.5868
0.25 294.0 -1.3297 0.5367
0.45 90.0 1.8041 0.8084
0.45 102.0 0.0583 0.6816
0.55 78.0 0.4834 0.7279
0.55 90.0 0.5112 0.7341
0.55 102.0 -0.0077 0.6802
0.65 54.0 1.334 0.9392
0.65 78.0 0.5081 0.6001
0.65 90.0 0.4131 0.8329
0.65 102.0 -0.9071 0.5096
0.65 114.0 0.1069 0.7707
0.65 246.0 0.8656 0.6626
0.65 258.0 1.4005 0.8541
0.75 54.0 -0.0527 0.6195
0.75 78.0 -0.2098 0.773
0.75 90.0 -0.7397 0.497
0.75 102.0 -0.6063 0.5815
0.75 114.0 -0.4505 0.7481
0.75 222.0 -0.3552 0.6471
0.75 234.0 -0.3083 0.6569
0.75 246.0 -0.0684 0.6572
0.75 258.0 -0.0387 0.7503
0.75 270.0 0.5763 0.6925
0.75 282.0 1.2584 0.7613
0.75 294.0 1.8072 0.7434
0.85 54.0 -0.0428 0.7021
0.85 90.0 0.6996 0.7075
0.85 222.0 0.3764 0.8047
0.85 234.0 2.0705 0.796
0.85 246.0 0.4948 0.6984
0.85 258.0 -0.32 0.5286
0.85 270.0 0.0697 0.5754
0.85 282.0 -0.6098 0.4245
0.85 294.0 -0.1866 0.5135
0.85 306.0 0.2553 0.5846
0.85 318.0 0.4186 0.6104
0.95 210.0 0.1545 0.7791
0.95 234.0 -0.8272 0.537
0.95 246.0 -0.7003 0.5982
0.95 258.0 2.5403 2.5403
0.95 270.0 -1.0368 0.4784
0.95 282.0 0.3639 0.6363
0.95 294.0 0.0593 0.5196
0.95 306.0 -0.0966 0.5457
0.95 318.0 0.0176 0.5249
0.95 330.0 -0.6325 0.5036
0.95 342.0 -0.0011 0.6986
Created in SINP MSU, CLAS Collaboration