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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
0.55 234.0 0.0246 0.4046
0.55 246.0 0.0088 0.3775
0.55 258.0 0.2547 0.2029
0.65 126.0 -0.3396 0.3571
0.65 138.0 -0.5529 0.2755
0.65 234.0 0.2885 0.3299
0.65 246.0 0.1399 0.2775
0.65 258.0 -0.0993 0.1847
0.75 114.0 -0.0395 0.2055
0.75 126.0 -0.5435 0.2428
0.75 222.0 0.0308 0.2084
0.75 234.0 0.2024 0.2012
0.75 246.0 -0.0332 0.2814
0.75 270.0 -0.1135 0.2568
0.85 114.0 -0.1178 0.2728
0.85 138.0 0.0835 0.2601
0.85 150.0 -0.0566 0.2341
0.85 234.0 0.3346 0.2108
0.85 246.0 0.27 0.244
0.85 258.0 0.0926 0.2435
0.85 270.0 -0.3232 0.2149
0.85 282.0 -0.3298 0.2187
0.95 78.0 -0.5363 0.2492
0.95 90.0 0.3207 0.2561
0.95 246.0 -0.1778 0.2369
0.95 258.0 0.1467 0.253
0.95 270.0 -0.1187 0.2603
0.95 282.0 -0.1617 0.2365
0.65 270.0 0.418 0.3641
0.75 114.0 -0.2111 0.4023
0.75 126.0 -0.3859 0.3103
0.75 138.0 0.6727 0.2555
0.75 150.0 -0.2075 0.4048
0.75 222.0 -0.2353 0.3209
0.75 246.0 -0.0172 0.353
0.75 258.0 -0.1611 0.3235
0.75 270.0 0.1907 0.3799
0.85 114.0 0.4482 0.3277
0.85 126.0 0.2079 0.2989
0.85 246.0 -0.1841 0.301
0.85 258.0 -0.5645 0.2682
0.85 270.0 0.3575 0.3458
0.85 282.0 -0.8799 0.1498
0.95 90.0 0.5017 0.2715
0.95 246.0 0.2671 0.3374
0.95 258.0 0.0497 0.4024
0.95 270.0 0.1305 0.3483
0.95 282.0 -0.3214 0.3361
Created in SINP MSU, CLAS Collaboration