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Measurement E151M3500

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: 0.4379
Q2: 0.496 GeV2
W: 1505.0 GeV
Ebeam: 2.999 GeV
ε: 0.8866

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.05 294.0 -0.2066 0.2781 0.0303
0.15 66.0 -0.8886 0.122 0.0349
0.25 294.0 -0.6799 0.1889 0.0329
0.45 78.0 -0.3585 0.2642 0.0308
0.45 90.0 0.1187 0.2699 0.0301
0.45 102.0 0.1536 0.254 0.0302
0.55 90.0 0.1164 0.2193 0.0301
0.55 102.0 0.1337 0.2413 0.0301
0.65 78.0 0.2391 0.2048 0.0304
0.65 90.0 -0.0505 0.2162 0.03
0.65 102.0 0.328 0.2432 0.0307
0.65 114.0 0.3231 0.2734 0.0307
0.65 126.0 0.3033 0.2616 0.0306
0.65 234.0 0.5146 0.2186 0.0317
0.65 246.0 0.4045 0.2202 0.0311
0.65 258.0 -0.0119 0.276 0.03
0.75 54.0 0.2114 0.2295 0.0303
0.75 90.0 0.0156 0.2183 0.03
0.75 102.0 0.1276 0.2489 0.0301
0.75 114.0 0.3157 0.219 0.0307
0.75 222.0 0.3757 0.2149 0.0309
0.75 234.0 -0.182 0.2228 0.0302
0.75 246.0 -0.2181 0.2078 0.0303
0.75 258.0 -0.0327 0.255 0.03
0.75 282.0 -0.0992 0.2621 0.0301
0.85 54.0 0.0579 0.2257 0.03
0.85 66.0 -0.2374 0.2745 0.0304
0.85 90.0 0.3576 0.188 0.0308
0.85 102.0 -0.0525 0.2334 0.03
0.85 114.0 -0.4942 0.2368 0.0316
0.85 210.0 -0.2129 0.27 0.0303
0.85 222.0 -0.0953 0.2181 0.0301
0.85 234.0 -0.4229 0.1909 0.0312
0.85 246.0 -0.2156 0.2261 0.0303
0.85 258.0 -0.1539 0.206 0.0302
0.85 270.0 -0.2882 0.1987 0.0305
0.85 282.0 -0.1039 0.2259 0.0301
0.85 294.0 -0.1807 0.2086 0.0302
0.85 306.0 -0.5783 0.1813 0.0322
0.85 318.0 0.0319 0.2804 0.03
0.95 234.0 0.2935 0.239 0.0306
0.95 246.0 -0.1548 0.2658 0.0302
0.95 258.0 0.2009 0.2488 0.0303
0.95 270.0 -0.0996 0.2726 0.0301
0.95 294.0 -0.514 0.1881 0.0317
0.95 306.0 0.0105 0.2258 0.03
0.95 318.0 0.265 0.2473 0.0305
0.95 330.0 0.4891 0.1979 0.0316
0.95 342.0 -0.2173 0.2439 0.0303
Created in SINP MSU, CLAS Collaboration