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Measurement E151M3537

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: 0.295
Q2: 0.4155 GeV2
W: 1595.0 GeV
Ebeam: 2.999 GeV
ε: 0.8714

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 90.0 0.6076 0.234
0.55 102.0 -0.3357 0.2572
0.65 90.0 0.0266 0.2363
0.65 102.0 0.1358 0.2431
0.65 114.0 -0.0413 0.2743
0.75 66.0 0.5675 0.1991
0.75 78.0 -0.0072 0.2743
0.75 102.0 0.4151 0.1882
0.75 114.0 0.1828 0.2657
0.75 210.0 0.1367 0.2336
0.75 222.0 -0.1505 0.2403
0.75 234.0 -0.0778 0.2177
0.75 246.0 0.3222 0.2245
0.85 54.0 0.6204 0.1897
0.85 66.0 0.613 0.1947
0.85 78.0 -0.2235 0.2712
0.85 114.0 0.3165 0.2151
0.85 210.0 0.0118 0.2211
0.85 222.0 -0.4959 0.1938
0.85 234.0 -0.4312 0.2
0.85 246.0 0.0533 0.1881
0.85 258.0 -0.0701 0.1906
0.85 270.0 0.093 0.2235
0.85 282.0 -0.2869 0.2486
0.95 186.0 -0.0991 0.2785
0.95 210.0 -0.0463 0.2709
0.95 222.0 0.055 0.2632
0.95 234.0 -0.1346 0.21
0.95 246.0 -0.2193 0.2205
0.95 258.0 0.3462 0.2256
0.95 270.0 0.1859 0.1889
0.95 282.0 0.06 0.2197
0.95 294.0 -0.2017 0.2078
0.95 306.0 -0.0454 0.2213
0.95 318.0 0.1369 0.2148
Created in SINP MSU, CLAS Collaboration