CLAS Physics Database

Measurement E151M3216

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: 0.5774
Q2: 0.205 GeV2
W: 1325.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9333

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 90.0 0.1253 0.2437
0.75 90.0 0.2461 0.2273
0.75 102.0 -0.3025 0.2499
0.75 114.0 -0.0684 0.2482
0.75 258.0 -0.395 0.2267
0.75 270.0 -0.0655 0.2411
0.75 294.0 -0.046 0.2548
0.85 78.0 -0.0735 0.2641
0.85 90.0 0.3144 0.2161
0.85 102.0 -0.3382 0.1909
0.85 114.0 -0.0952 0.2323
0.85 126.0 0.1607 0.231
0.85 234.0 0.6408 0.1974
0.85 246.0 -0.1521 0.2382
0.85 258.0 0.31 0.2065
0.85 270.0 0.0955 0.2193
0.85 282.0 0.2082 0.2151
0.85 294.0 -0.1924 0.229
0.95 102.0 0.6232 0.2167
0.95 114.0 0.0299 0.2308
0.95 126.0 -0.0924 0.2598
0.95 270.0 0.007 0.2608
0.95 294.0 0.1648 0.2409
0.25 66.0 0.1253 0.2546
0.65 102.0 0.3069 0.2281
0.65 258.0 0.124 0.2324
0.65 270.0 -0.1291 0.2311
0.65 282.0 0.1122 0.2345
0.75 78.0 -0.3227 0.2189
0.75 90.0 0.0727 0.2515
0.75 102.0 0.0384 0.2217
0.75 246.0 -0.3058 0.225
0.75 258.0 -0.0833 0.1873
0.75 282.0 0.0088 0.2267
0.75 294.0 0.0121 0.2294
0.85 78.0 0.45 0.2349
0.85 90.0 0.3238 0.2034
0.85 102.0 0.1466 0.1762
0.85 114.0 -0.0751 0.1928
0.85 126.0 -0.5662 0.2155
0.85 234.0 0.1264 0.2607
0.85 246.0 0.1404 0.2233
0.85 258.0 -0.2997 0.2073
0.85 282.0 -0.2571 0.2176
0.85 294.0 -0.1565 0.2101
0.95 90.0 0.2591 0.2505
0.95 102.0 -0.2649 0.2425
0.95 114.0 -0.5177 0.1923
0.95 126.0 0.3733 0.2293
0.95 258.0 -0.3926 0.2137
0.95 270.0 0.166 0.2499
0.95 282.0 -0.0168 0.2587
0.95 294.0 -0.0568 0.2477