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Measurement E151M3585

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: 0.1388
Q2: 0.2445 GeV2
W: 1715.0 GeV
Ebeam: 2.999 GeV
ε: 0.8569

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 102.0 -0.0238 0.2525
0.55 114.0 -0.1328 0.2661
0.65 102.0 0.3666 0.2256
0.65 114.0 0.2542 0.2105
0.65 126.0 -0.0294 0.2539
0.65 186.0 -0.066 0.28
0.65 210.0 -0.0558 0.2551
0.65 234.0 -0.2249 0.2602
0.65 282.0 0.4742 0.2552
0.65 294.0 -0.5046 0.2161
0.75 78.0 0.0188 0.2762
0.75 90.0 0.0952 0.2274
0.75 114.0 0.0553 0.2848
0.75 126.0 0.222 0.2105
0.75 138.0 0.1933 0.26
0.75 186.0 -0.1698 0.2746
0.75 198.0 -0.4994 0.1808
0.75 210.0 -0.0298 0.2113
0.75 222.0 0.0041 0.2071
0.75 234.0 -0.4317 0.2354
0.75 282.0 0.3702 0.2643
0.75 294.0 -0.2338 0.235
0.85 66.0 0.0424 0.2736
0.85 78.0 0.1133 0.1928
0.85 90.0 0.5605 0.182
0.85 102.0 0.8539 0.2014
0.85 162.0 0.0464 0.2852
0.85 186.0 -0.3497 0.2298
0.85 198.0 0.0211 0.2157
0.85 210.0 -0.3388 0.1801
0.85 222.0 0.0202 0.1804
0.85 234.0 0.0103 0.1677
0.85 246.0 0.2896 0.1859
0.85 258.0 -0.0173 0.2694
0.95 90.0 -0.1775 0.2735
0.95 174.0 -0.053 0.2514
0.95 186.0 0.2897 0.2139
0.95 198.0 -0.1863 0.2004
0.95 210.0 -0.1172 0.206
0.95 222.0 -0.4675 0.1738
0.95 234.0 -0.1371 0.1953
0.95 246.0 -0.0881 0.1734
0.95 258.0 -0.3418 0.2148
0.95 270.0 -0.0651 0.2409
Created in SINP MSU, CLAS Collaboration