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Measurement E151M3255

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: 0.3721
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9075

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 66.0 0.4415 0.2435
0.45 282.0 -0.1244 0.2491
0.65 102.0 -0.1211 0.2448
0.65 114.0 -0.0783 0.2502
0.65 258.0 -0.223 0.2414
0.75 90.0 0.3482 0.2001
0.75 102.0 -0.4518 0.1942
0.75 114.0 0.042 0.2162
0.75 126.0 -0.0948 0.2537
0.75 234.0 0.172 0.1908
0.75 246.0 -0.0473 0.2124
0.75 258.0 0.2244 0.2558
0.75 270.0 -0.0504 0.2382
0.85 66.0 0.3672 0.2395
0.85 102.0 0.2957 0.195
0.85 114.0 0.4062 0.2059
0.85 246.0 0.0796 0.214
0.85 258.0 -0.0274 0.2211
0.85 270.0 0.2966 0.2498
0.85 282.0 -0.0695 0.2585
0.95 258.0 0.0233 0.2059
0.95 270.0 -0.0432 0.2611
0.95 282.0 -0.2459 0.2426
0.95 294.0 0.2718 0.2142
0.25 78.0 -0.0499 0.2602
0.65 102.0 0.3467 0.2242
0.65 258.0 -0.3027 0.2117
0.75 90.0 0.343 0.2295
0.75 102.0 -0.2804 0.232
0.75 114.0 -0.4077 0.2377
0.75 126.0 0.4494 0.2287
0.75 246.0 -0.0593 0.2139
0.75 258.0 -0.1971 0.2246
0.75 270.0 0.0633 0.2447
0.85 102.0 -0.0499 0.2491
0.85 114.0 0.017 0.2119
0.85 246.0 0.0199 0.2637
0.85 258.0 -0.1873 0.2109
0.85 270.0 0.2834 0.2553
0.85 282.0 -0.1908 0.2401
0.85 294.0 0.0721 0.2274
0.95 66.0 0.0501 0.2544
0.95 258.0 0.3448 0.2354
0.95 282.0 -0.2083 0.1967
Created in SINP MSU, CLAS Collaboration