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Measurement E151M2679

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: 0.1041
Q2: 0.0171 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9364

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 54.0 0.2127 0.2603
0.45 30.0 -0.2274 0.292
0.45 270.0 -0.395 0.243
0.55 246.0 -0.0389 0.2095
0.55 258.0 0.2858 0.1892
0.55 270.0 -0.0893 0.2171
0.65 138.0 0.4588 0.2494
0.65 234.0 -0.1354 0.2125
0.65 246.0 0.0995 0.1418
0.65 258.0 0.0804 0.1612
0.65 270.0 -0.0911 0.1982
0.65 282.0 -0.2303 0.2797
0.75 138.0 -0.2694 0.206
0.75 150.0 0.2221 0.1851
0.75 162.0 -0.2883 0.2205
0.75 174.0 0.0653 0.2074
0.75 186.0 -0.5737 0.2222
0.75 222.0 -0.0644 0.2433
0.75 234.0 0.1057 0.1815
0.75 246.0 -0.1117 0.1549
0.75 258.0 -0.2136 0.1577
0.75 270.0 -0.072 0.2142
0.85 138.0 0.2551 0.2549
0.85 150.0 0.1459 0.2272
0.85 162.0 0.2069 0.214
0.85 174.0 -0.3913 0.2695
0.85 210.0 -0.0813 0.2678
0.85 222.0 -0.6704 0.2224
0.85 234.0 -0.0074 0.2075
0.85 246.0 -0.2115 0.1662
0.85 258.0 0.0047 0.1752
0.85 270.0 0.0761 0.2202
0.25 42.0 -0.4358 0.311
0.25 54.0 -0.1801 0.3516
0.35 42.0 0.0293 0.4453
0.35 54.0 -0.2154 0.3347
0.45 42.0 0.1319 0.3782
0.55 246.0 0.3465 0.3175
0.55 258.0 -0.4784 0.2541
0.55 270.0 0.1722 0.2632
0.65 222.0 -0.0653 0.3671
0.65 234.0 0.1842 0.2649
0.65 246.0 -0.1838 0.2241
0.65 258.0 0.2641 0.2151
0.65 270.0 0.45 0.2741
0.75 138.0 -0.1166 0.4039
0.75 150.0 -0.0828 0.3228
0.75 162.0 -0.2078 0.3422
0.75 174.0 0.7045 0.181
0.75 222.0 0.396 0.2325
0.75 234.0 0.1911 0.284
0.75 246.0 0.0635 0.2203
0.75 258.0 0.3071 0.2039
0.75 270.0 -0.1264 0.2675
0.85 150.0 -0.204 0.3161
0.85 162.0 -0.3192 0.3114
0.85 174.0 0.2682 0.3245
0.85 186.0 0.7073 0.1964
0.85 210.0 0.438 0.3514
0.85 222.0 -0.3645 0.3337
0.85 234.0 0.0532 0.3531
0.85 246.0 -0.5016 0.217
0.85 258.0 -0.0724 0.2563
0.85 270.0 -0.325 0.3165
Created in SINP MSU, CLAS Collaboration