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Measurement E151M2650

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: 0.4923
Q2: 0.0593 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.939

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 270.0 -0.3781 0.1996
0.55 282.0 0.1134 0.2103
0.65 270.0 -0.0369 0.2098
0.65 282.0 0.1324 0.2395
0.75 246.0 -0.3578 0.2686
0.75 258.0 0.0361 0.2516
0.75 270.0 0.0657 0.2235
0.75 282.0 -0.1584 0.2813
0.85 126.0 0.2385 0.2676
0.85 138.0 0.205 0.2488
0.85 150.0 -0.4324 0.2478
0.85 162.0 0.1303 0.2535
0.85 174.0 -0.2043 0.2605
0.85 198.0 -0.0941 0.2697
0.85 210.0 -0.0943 0.2725
0.85 258.0 -0.0066 0.2624
0.85 270.0 -0.2992 0.2379
0.95 126.0 -0.0455 0.2589
0.95 150.0 0.3634 0.2578
0.95 162.0 -0.1478 0.2571
0.95 174.0 -0.1149 0.2493
0.95 186.0 0.1255 0.2454
0.95 198.0 0.2075 0.229
0.45 282.0 0.5235 0.2653
0.55 270.0 -0.2039 0.3957
0.55 282.0 0.1229 0.3313
0.65 258.0 -0.3762 0.3101
0.65 270.0 0.0515 0.3053
0.65 282.0 -0.3921 0.3567
0.75 258.0 -0.5648 0.1991
0.75 270.0 0.3485 0.2683
0.75 282.0 -0.2147 0.4275
0.85 126.0 0.7863 0.1929
0.85 138.0 0.6097 0.221
0.85 150.0 0.3652 0.3313
0.85 162.0 0.1045 0.3586
0.85 174.0 -0.3813 0.3152
0.85 186.0 -0.497 0.2801
0.85 210.0 -0.6194 0.327
0.95 138.0 -0.7221 0.192
0.95 150.0 -0.3719 0.3081
0.95 162.0 0.0858 0.3243
0.95 174.0 0.1247 0.2932
0.95 186.0 0.5594 0.3921
0.95 198.0 -0.7575 0.2153
0.95 210.0 -0.8375 0.183
Created in SINP MSU, CLAS Collaboration