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Measurement E151M2694

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: ALU
εL: 0.7443
Q2: 0.2445 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8039

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 270.0 0.1709 0.2197 0.0303
0.65 258.0 0.4726 0.2495 0.0315
0.65 282.0 -0.2773 0.2513 0.0305
0.75 114.0 -0.0361 0.2426 0.03
0.75 258.0 0.0914 0.2636 0.0301
0.75 270.0 -0.1432 0.2544 0.0301
0.75 294.0 -0.4133 0.2548 0.0311
0.85 90.0 -0.0112 0.2651 0.03
0.85 114.0 0.3669 0.2345 0.0309
0.85 126.0 0.264 0.2351 0.0305
0.85 138.0 -0.3034 0.2566 0.0306
0.85 282.0 0.4153 0.2513 0.0311
0.95 114.0 0.3454 0.2403 0.0308
0.95 138.0 0.1093 0.2542 0.0301
0.95 150.0 -0.2098 0.2519 0.0303
0.55 282.0 0.3214 0.3391 0.0307
0.65 258.0 0.1641 0.3555 0.0302
0.65 270.0 -0.2663 0.3801 0.0305
0.65 282.0 0.0945 0.3753 0.0301
0.65 294.0 -0.4218 0.3538 0.0312
0.75 246.0 -0.6294 0.2095 0.0325
0.75 258.0 0.0292 0.4172 0.03
0.75 282.0 -0.1852 0.3399 0.0302
0.85 90.0 -0.7636 0.2121 0.0337
0.85 102.0 0.0903 0.3658 0.0301
0.85 126.0 0.3571 0.3294 0.0308
0.85 138.0 -0.278 0.3653 0.0305
0.85 270.0 -0.6449 0.25 0.0327
0.85 282.0 -0.6436 0.2365 0.0326
0.85 294.0 -0.8756 0.1764 0.0347
Created in SINP MSU, CLAS Collaboration