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Measurement E151M2999

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: 0.3715
Q2: 0.1715 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8997

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 0.2119 0.2492
0.25 78.0 0.1224 0.2684
0.25 294.0 0.3349 0.2275
0.25 306.0 0.3328 0.2621
0.35 66.0 0.1863 0.2239
0.35 78.0 0.3749 0.2017
0.35 282.0 -0.0976 0.2537
0.35 294.0 -0.1283 0.2364
0.35 306.0 0.2575 0.2786
0.45 66.0 -0.4721 0.2386
0.45 78.0 0.1218 0.2439
0.45 294.0 0.2413 0.2571
0.55 282.0 0.0255 0.2662
0.65 90.0 0.151 0.2597
0.65 102.0 -0.1024 0.214
0.65 114.0 0.2343 0.2002
0.65 126.0 -0.0671 0.272
0.65 246.0 -0.0371 0.2264
0.65 258.0 -0.0334 0.1987
0.65 270.0 -0.1302 0.2234
0.75 90.0 0.1568 0.181
0.75 102.0 0.2085 0.196
0.75 114.0 -0.0125 0.1796
0.75 126.0 -0.1665 0.2342
0.75 138.0 -0.0127 0.2619
0.75 222.0 0.4956 0.2225
0.75 234.0 -0.2049 0.2115
0.75 246.0 0.0595 0.186
0.75 258.0 0.1293 0.1696
0.75 270.0 -0.1376 0.1711
0.75 282.0 0.0843 0.2263
0.85 78.0 -0.4714 0.2623
0.85 90.0 0.1758 0.2262
0.85 102.0 -0.0512 0.1671
0.85 114.0 -0.1446 0.2006
0.85 126.0 -0.04 0.1891
0.85 138.0 -0.0878 0.2389
0.85 150.0 -0.0415 0.2571
0.85 222.0 -0.5067 0.1877
0.85 234.0 -0.0494 0.1722
0.85 246.0 -0.1095 0.2077
0.85 258.0 0.092 0.2029
0.85 270.0 0.2575 0.1955
0.85 282.0 -0.0382 0.1775
0.85 294.0 -0.1088 0.2069
0.95 78.0 0.1559 0.2607
0.95 114.0 0.0566 0.2205
0.95 126.0 -0.0116 0.2181
0.95 138.0 0.3576 0.2283
0.95 222.0 -0.0645 0.2252
0.95 234.0 0.1124 0.2539
0.95 246.0 0.2363 0.2086
0.95 258.0 -0.1427 0.1867
0.95 270.0 -0.0637 0.1782
0.95 282.0 -0.0276 0.1819
0.95 294.0 0.5738 0.169
Created in SINP MSU, CLAS Collaboration