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Measurement E151M2647

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: 0.3169
Q2: 0.0348 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.951

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 282.0 0.3683 0.1876
0.55 258.0 0.3521 0.2635
0.55 270.0 -0.2191 0.1638
0.55 282.0 -0.0195 0.1858
0.65 246.0 0.1745 0.2409
0.65 258.0 -0.057 0.1785
0.65 270.0 -0.1109 0.1212
0.65 282.0 -0.2792 0.171
0.75 138.0 -0.6358 0.2511
0.75 234.0 -0.9334 0.1119
0.75 246.0 -0.2929 0.1894
0.75 258.0 -0.1919 0.1552
0.75 270.0 -0.0089 0.1896
0.85 138.0 0.4151 0.297
0.85 150.0 0.1189 0.274
0.85 162.0 -0.0681 0.2955
0.85 174.0 0.4991 0.2598
0.85 186.0 0.7355 0.1472
0.85 198.0 0.3696 0.3147
0.85 210.0 -0.0798 0.4022
0.85 222.0 -0.658 0.2169
0.85 258.0 -0.2617 0.3794
0.95 162.0 0.3666 0.3369
0.95 210.0 -0.8652 0.1711
0.75 282.0 0.3444 0.2704
0.85 126.0 -0.4735 0.2598
0.85 138.0 0.2351 0.2448
0.85 150.0 0.4389 0.1928
0.85 162.0 -0.4216 0.1903
0.85 174.0 -0.1926 0.1908
0.85 186.0 0.0065 0.2391
0.85 198.0 -0.0586 0.1938
0.85 210.0 -0.0857 0.2542
0.85 234.0 -0.0965 0.2483
0.85 246.0 0.075 0.2765
Created in SINP MSU, CLAS Collaboration