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Measurement E151M2787

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: 0.2337
Q2: 0.1435 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7404

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 234.0 0.0246 0.4046 0.03
0.55 246.0 0.0088 0.3775 0.03
0.55 258.0 0.2547 0.2029 0.0304
0.65 126.0 -0.3396 0.3571 0.0308
0.65 138.0 -0.5529 0.2755 0.032
0.65 234.0 0.2885 0.3299 0.0305
0.65 246.0 0.1399 0.2775 0.0301
0.65 258.0 -0.0993 0.1847 0.0302
0.75 114.0 -0.0395 0.2055 0.03
0.75 126.0 -0.5435 0.2428 0.0319
0.75 222.0 0.0308 0.2084 0.03
0.75 234.0 0.2024 0.2012 0.0303
0.75 246.0 -0.0332 0.2814 0.03
0.75 270.0 -0.1135 0.2568 0.0301
0.85 114.0 -0.1178 0.2728 0.0301
0.85 138.0 0.0835 0.2601 0.03
0.85 150.0 -0.0566 0.2341 0.03
0.85 234.0 0.3346 0.2108 0.0307
0.85 246.0 0.27 0.244 0.0305
0.85 258.0 0.0926 0.2435 0.0301
0.85 270.0 -0.3232 0.2149 0.0307
0.85 282.0 -0.3298 0.2187 0.0307
0.95 78.0 -0.5363 0.2492 0.0319
0.95 90.0 0.3207 0.2561 0.0307
0.95 246.0 -0.1778 0.2369 0.0302
0.95 258.0 0.1467 0.253 0.0301
0.95 270.0 -0.1187 0.2603 0.0301
0.95 282.0 -0.1617 0.2365 0.0302
0.65 270.0 0.418 0.3641 0.0311
0.75 114.0 -0.2111 0.4023 0.0303
0.75 126.0 -0.3859 0.3103 0.031
0.75 138.0 0.6727 0.2555 0.0329
0.75 150.0 -0.2075 0.4048 0.0303
0.75 222.0 -0.2353 0.3209 0.0304
0.75 246.0 -0.0172 0.353 0.03
0.75 258.0 -0.1611 0.3235 0.0302
0.75 270.0 0.1907 0.3799 0.0302
0.85 114.0 0.4482 0.3277 0.0313
0.85 126.0 0.2079 0.2989 0.0303
0.85 246.0 -0.1841 0.301 0.0302
0.85 258.0 -0.5645 0.2682 0.0321
0.85 270.0 0.3575 0.3458 0.0308
0.85 282.0 -0.8799 0.1498 0.0348
0.95 90.0 0.5017 0.2715 0.0316
0.95 246.0 0.2671 0.3374 0.0305
0.95 258.0 0.0497 0.4024 0.03
0.95 270.0 0.1305 0.3483 0.0301
0.95 282.0 -0.3214 0.3361 0.0307
Created in SINP MSU, CLAS Collaboration