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Measurement E151M3242

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: 0.4753
Q2: 0.2445 GeV2
W: 1385.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9078

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 90.0 0.4882 0.2399
0.65 102.0 -0.0967 0.2555
0.75 90.0 -0.1029 0.2455
0.75 102.0 -0.0242 0.2519
0.75 246.0 -0.2191 0.2323
0.75 258.0 0.5206 0.2112
0.75 282.0 -0.3757 0.2309
0.85 102.0 -0.1944 0.2497
0.85 114.0 -0.3018 0.2252
0.85 222.0 -0.2437 0.2259
0.85 246.0 0.3177 0.2456
0.85 258.0 -0.2774 0.2042
0.85 270.0 -0.1111 0.2521
0.85 282.0 0.2576 0.2096
0.85 294.0 -0.109 0.209
0.95 246.0 0.2158 0.2543
0.95 282.0 -0.8108 0.1537
0.95 294.0 -0.364 0.238
0.55 102.0 -0.2953 0.249
0.65 102.0 0.0725 0.2161
0.65 258.0 0.2664 0.2426
0.75 90.0 0.2772 0.2133
0.75 102.0 -0.3389 0.2012
0.75 114.0 -0.262 0.2529
0.75 246.0 -0.7189 0.16
0.75 258.0 -0.1699 0.2403
0.75 270.0 -0.1073 0.2666
0.85 102.0 0.0859 0.217
0.85 210.0 0.5452 0.2366
0.85 234.0 0.0586 0.2646
0.85 246.0 0.155 0.241
0.85 258.0 -0.0239 0.2241
0.85 270.0 -0.3511 0.2273
0.85 282.0 0.1381 0.2091
0.95 282.0 0.1688 0.2113
0.95 294.0 0.2485 0.2438
0.95 306.0 0.3373 0.2412
Created in SINP MSU, CLAS Collaboration