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Measurement E151M3597

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: 0.1095
Q2: 0.205 GeV2
W: 1745.0 GeV
Ebeam: 2.999 GeV
ε: 0.8514

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 102.0 0.2341 0.266
0.55 114.0 -0.1599 0.2644
0.55 126.0 -0.3127 0.2628
0.65 114.0 -0.232 0.2484
0.65 126.0 0.0233 0.2608
0.65 210.0 0.1348 0.2313
0.65 222.0 -0.3475 0.2257
0.65 294.0 -0.3022 0.2392
0.75 78.0 -0.1192 0.2763
0.75 90.0 0.3492 0.2562
0.75 126.0 -0.5056 0.2233
0.75 138.0 -0.183 0.2612
0.75 198.0 -0.1346 0.2296
0.75 210.0 -0.0512 0.2193
0.75 222.0 -0.0846 0.227
0.75 234.0 -0.408 0.2045
0.75 246.0 -0.0308 0.2304
0.75 282.0 -0.0815 0.2548
0.85 78.0 0.2388 0.2263
0.85 90.0 -0.0149 0.2024
0.85 102.0 -0.2855 0.203
0.85 114.0 -0.0394 0.2533
0.85 174.0 0.3942 0.2348
0.85 186.0 0.1615 0.2014
0.85 198.0 -0.043 0.1912
0.85 210.0 0.0087 0.2088
0.85 222.0 0.1532 0.1904
0.85 234.0 -0.1253 0.1906
0.85 246.0 0.3672 0.2259
0.95 174.0 -0.0414 0.2679
0.95 186.0 0.0512 0.2592
0.95 198.0 0.1014 0.2104
0.95 210.0 -0.1184 0.1901
0.95 222.0 -0.1789 0.1947
0.95 234.0 0.094 0.254
0.95 246.0 -0.3114 0.2049
0.95 258.0 0.1852 0.2519
Created in SINP MSU, CLAS Collaboration