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Measurement E151M2046

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: ALL
εL: 0.2875
Q2: 0.1715 GeV2
W: 1445.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9053

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 282.0 -0.9002 0.9372 0.088
0.35 294.0 -0.0486 0.9753 0.0303
0.45 282.0 -0.0009 1.0262 0.03
0.65 102.0 0.7175 1.214 0.0724
0.65 114.0 -0.6594 1.2158 0.0676
0.75 90.0 0.9004 1.3329 0.088
0.75 102.0 1.0458 0.9893 0.1007
0.75 114.0 -0.0549 1.1646 0.0304
0.75 126.0 -1.0971 1.1068 0.1052
0.75 246.0 -0.5894 0.8492 0.0619
0.75 258.0 0.2046 1.1469 0.0354
0.75 270.0 2.7613 2.7613 0.2555
0.85 78.0 -1.1752 1.207 0.1121
0.85 102.0 -1.3354 1.2388 0.1263
0.85 114.0 0.0999 1.1638 0.0314
0.85 126.0 0.6021 1.5028 0.0629
0.85 222.0 -1.8489 1.1776 0.1725
0.85 234.0 -0.9161 1.1525 0.0894
0.85 246.0 -0.0715 1.0236 0.0307
0.85 258.0 -0.4503 0.9826 0.0511
0.85 270.0 0.5784 1.0524 0.061
0.85 282.0 0.1593 1.1908 0.0334
0.95 78.0 -5.9566 3.6747 0.5483
0.95 234.0 0.0316 2.8807 0.0301
0.95 246.0 -9.9196 9.9196 0.9121
0.95 258.0 -2.5623 2.925 0.2374
0.95 270.0 -3.1897 2.7026 0.2947
0.95 282.0 1.3759 2.8509 0.13
0.25 66.0 0.1851 0.6785 0.0323
0.35 282.0 -0.0513 0.6842 0.0302
0.35 294.0 -0.5801 0.7314 0.0482
0.45 282.0 0.2282 0.691 0.0335
0.45 294.0 0.2093 0.7454 0.0329
0.55 102.0 0.2729 0.8332 0.0349
0.65 102.0 0.2096 0.6623 0.033
0.65 114.0 0.7093 0.8018 0.055
0.65 126.0 -0.0795 0.8852 0.0304
0.65 234.0 1.0838 0.8266 0.0766
0.65 258.0 0.6352 0.7629 0.0511
0.75 90.0 0.0501 0.6601 0.0302
0.75 102.0 0.2875 0.6277 0.0354
0.75 114.0 -1.0736 0.6431 0.076
0.75 126.0 0.0078 0.7956 0.03
0.75 138.0 0.7077 0.7948 0.0549
0.75 222.0 -0.8042 0.8875 0.0603
0.75 246.0 1.5028 0.5678 0.1023
0.75 258.0 0.567 0.7865 0.0475
0.75 270.0 0.1776 0.7051 0.0321
0.85 102.0 -0.1932 0.7627 0.0325
0.85 114.0 0.1335 0.8111 0.0312
0.85 126.0 0.5423 0.7691 0.0463
0.85 210.0 0.2733 1.0205 0.0349
0.85 222.0 -0.5501 0.9071 0.0467
0.85 234.0 0.271 0.765 0.0348
0.85 246.0 -0.0088 0.8593 0.03
0.85 258.0 -0.9121 0.678 0.0665
0.85 270.0 -0.1744 0.8111 0.0321
0.85 282.0 0.2237 0.8219 0.0333
0.95 222.0 1.6864 1.5394 0.1137
0.95 234.0 0.6612 1.4609 0.0524
0.95 246.0 1.2084 1.3884 0.0841
0.95 258.0 0.0236 1.3705 0.03
0.95 270.0 -2.2841 1.026 0.1516
0.95 282.0 3.3207 1.1663 0.2181
Created in SINP MSU, CLAS Collaboration