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Measurement E151M202

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: 0.2713
Q2: 0.0291 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9537

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 270.0 -0.6114 0.314
0.55 282.0 -0.8915 0.26
0.65 246.0 -0.2426 0.5477
0.65 258.0 1.6755 1.6755
0.65 270.0 -0.3565 0.3324
0.65 282.0 0.2244 0.6406
0.75 150.0 -0.8102 0.4617
0.75 246.0 -0.005 0.4954
0.75 258.0 0.3491 0.5491
0.75 270.0 0.4237 0.6237
0.85 138.0 2.5767 2.5767
0.85 150.0 0.2323 0.5405
0.85 162.0 -0.0406 0.417
0.85 174.0 0.3352 0.5855
0.85 186.0 0.3117 0.5812
0.85 198.0 -0.4316 0.4051
0.85 234.0 -0.608 0.4747
0.45 282.0 -1.0087 0.3388
0.55 258.0 0.0473 0.4595
0.55 270.0 0.1617 0.4399
0.55 282.0 0.1999 0.3245
0.65 246.0 0.5228 0.4103
0.65 258.0 -0.3155 0.3307
0.65 270.0 -0.0908 0.3371
0.75 150.0 -0.0469 0.49
0.75 234.0 0.063 0.4272
0.75 246.0 0.541 0.4282
0.75 258.0 0.1977 0.3313
0.75 270.0 -0.1442 0.3721
0.85 138.0 -0.4166 0.3788
0.85 150.0 0.1612 0.3342
0.85 162.0 -0.4288 0.3139
0.85 174.0 -0.4799 0.2866
0.85 186.0 0.0864 0.3526
0.85 198.0 -0.1432 0.3432
0.85 210.0 0.7455 0.4138
0.85 222.0 -0.5452 0.3789
0.85 246.0 0.0119 0.448
Created in SINP MSU, CLAS Collaboration