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Measurement E151M2735

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: 0.0476
Q2: 0.0143 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8862

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 42.0 0.615 0.274
0.55 222.0 -0.3454 0.2519
0.55 234.0 -0.0923 0.2034
0.55 246.0 0.0715 0.2043
0.55 258.0 -0.1951 0.2552
0.65 138.0 0.2774 0.2341
0.65 150.0 0.0883 0.2521
0.65 162.0 -0.314 0.2439
0.65 210.0 0.0824 0.2829
0.65 222.0 -0.4932 0.2034
0.65 234.0 -0.1534 0.1911
0.65 246.0 -0.1101 0.2309
0.65 258.0 -0.056 0.2505
0.75 126.0 0.1057 0.2592
0.75 138.0 0.0878 0.2195
0.75 150.0 -0.065 0.2062
0.75 210.0 0.5596 0.2587
0.75 222.0 -0.257 0.2406
0.75 234.0 -0.3982 0.1836
0.75 246.0 0.0024 0.2076
0.75 258.0 -0.1528 0.2273
0.85 222.0 -0.1897 0.248
0.85 234.0 0.3035 0.2141
0.85 246.0 0.3335 0.177
0.85 258.0 -0.0219 0.2558
0.35 42.0 -0.3675 0.3381
0.45 42.0 -0.623 0.2328
0.55 234.0 -0.5679 0.3135
0.55 246.0 -0.2523 0.355
0.65 138.0 0.5051 0.2793
0.65 150.0 0.5882 0.261
0.65 222.0 0.1336 0.3006
0.65 234.0 -0.0249 0.2772
0.65 246.0 0.1622 0.3534
0.75 126.0 0.4722 0.3277
0.75 138.0 0.29 0.3585
0.75 150.0 -0.1271 0.3568
0.75 222.0 0.2976 0.2806
0.75 234.0 0.1079 0.2357
0.75 246.0 -0.0542 0.3106
0.75 258.0 0.4298 0.2956
0.85 222.0 -0.0543 0.3887
0.85 234.0 -0.3134 0.245
0.85 246.0 0.2662 0.289
0.85 258.0 -0.4776 0.2352
Created in SINP MSU, CLAS Collaboration