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Measurement E151M3130

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: 0.0374
Q2: 0.0496 GeV2
W: 1655.0 GeV
Ebeam: 1.9889 GeV
ε: 0.78

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 78.0 -0.0871 0.2704
0.35 90.0 0.0307 0.2723
0.35 270.0 0.4003 0.2618
0.45 78.0 0.4959 0.1972
0.45 90.0 0.4962 0.2591
0.45 138.0 0.2097 0.2704
0.45 258.0 0.2353 0.2658
0.45 270.0 0.1601 0.1923
0.45 282.0 0.1218 0.2446
0.55 114.0 -0.1273 0.2677
0.55 126.0 0.0395 0.2842
0.55 138.0 -0.3198 0.2437
0.55 210.0 0.1179 0.2765
0.55 258.0 -0.3228 0.2168
0.55 270.0 0.0798 0.2042
0.55 282.0 -0.2075 0.2544
0.65 138.0 0.0808 0.2354
0.65 150.0 -0.1931 0.2605
0.65 210.0 -0.3899 0.1988
0.65 222.0 0.2332 0.2194
0.65 234.0 -0.4064 0.2217
0.65 282.0 0.3166 0.2663
0.65 294.0 0.2329 0.254
0.75 66.0 0.1006 0.2261
0.75 78.0 -0.1783 0.2453
0.75 138.0 0.2098 0.2798
0.75 198.0 0.3443 0.1996
0.75 210.0 -0.2311 0.1989
0.75 222.0 -0.4349 0.1654
0.75 234.0 -0.2907 0.2465
0.75 258.0 0.0237 0.2481
0.75 270.0 -0.1359 0.2018
0.75 282.0 -0.0079 0.1797
0.75 294.0 -0.3525 0.2223
0.85 102.0 -0.1347 0.2426
0.85 114.0 -0.072 0.2253
0.85 126.0 0.0864 0.2378
0.85 198.0 0.0973 0.2328
0.85 210.0 0.5099 0.2335
0.85 222.0 -0.4088 0.1891
0.85 234.0 -0.0748 0.2229
0.85 246.0 -0.4852 0.2257
0.95 222.0 0.1012 0.2746
Created in SINP MSU, CLAS Collaboration