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Measurement E151M3488

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: 0.4873
Q2: 0.496 GeV2
W: 1475.0 GeV
Ebeam: 2.999 GeV
ε: 0.8952

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 282.0 0.1621 0.2133
0.25 294.0 0.3112 0.2646
0.45 90.0 -0.144 0.2261
0.45 102.0 0.0326 0.2251
0.55 78.0 -0.2358 0.2166
0.55 90.0 0.2812 0.219
0.55 102.0 -0.1254 0.2204
0.65 54.0 -0.0795 0.281
0.65 78.0 -0.1426 0.1905
0.65 90.0 -0.1538 0.2648
0.65 102.0 -0.0056 0.2013
0.65 114.0 -0.5934 0.2086
0.65 246.0 -0.1294 0.2029
0.65 258.0 -0.5011 0.2226
0.75 54.0 -0.3398 0.2071
0.75 78.0 -0.0093 0.2766
0.75 90.0 0.3389 0.1795
0.75 102.0 0.2801 0.2092
0.75 114.0 0.1619 0.2692
0.75 222.0 -0.2357 0.2255
0.75 234.0 -0.161 0.2411
0.75 246.0 -0.2301 0.2212
0.75 258.0 0.2389 0.2608
0.75 270.0 -0.0546 0.2291
0.75 282.0 0.0847 0.2355
0.75 294.0 0.0652 0.2414
0.85 54.0 -0.0156 0.2535
0.85 90.0 0.0633 0.2183
0.85 222.0 -0.2132 0.255
0.85 234.0 -0.6134 0.1779
0.85 246.0 -0.2588 0.2234
0.85 258.0 0.1198 0.1982
0.85 270.0 0.3618 0.1883
0.85 282.0 -0.1216 0.1763
0.85 294.0 -0.0695 0.1958
0.85 306.0 0.3337 0.1907
0.85 318.0 -0.0857 0.2103
0.95 210.0 -0.3436 0.2685
0.95 234.0 -0.1021 0.2416
0.95 246.0 -0.358 0.2619
0.95 258.0 -0.2736 0.2291
0.95 270.0 -0.0255 0.2362
0.95 282.0 -0.0555 0.2345
0.95 294.0 -0.122 0.2041
0.95 306.0 0.0445 0.2209
0.95 318.0 0.1343 0.2039
0.95 330.0 -0.5054 0.206
0.95 342.0 0.2697 0.2533
Created in SINP MSU, CLAS Collaboration