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Measurement E151M1117

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: AUL
εL: 0.2399
Q2: 0.4155 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.848

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 90.0 -1.3854 0.553 0.1056
0.65 66.0 0.0726 0.8437 0.0305
0.65 90.0 -0.7431 0.7042 0.0621
0.65 102.0 -0.3402 0.8164 0.039
0.65 114.0 -0.0563 0.7097 0.0303
0.65 306.0 1.257 0.8386 0.0966
0.75 66.0 -0.4339 0.6889 0.0437
0.75 78.0 0.9427 0.7983 0.0752
0.75 102.0 0.3964 0.8113 0.0417
0.75 114.0 -0.358 0.6707 0.0398
0.75 198.0 -0.3702 0.8168 0.0404
0.75 246.0 -0.005 0.7785 0.03
0.85 66.0 -0.857 0.5399 0.0694
0.85 78.0 -0.8923 0.612 0.0718
0.85 90.0 -0.3492 0.716 0.0394
0.85 186.0 -0.0563 0.819 0.0303
0.85 198.0 2.3664 0.9169 0.1755
0.85 210.0 1.2993 0.7208 0.0996
0.85 222.0 1.8106 0.9044 0.1357
0.85 234.0 1.7182 0.7432 0.1291
0.85 246.0 -0.0716 0.6341 0.0305
0.85 258.0 -0.559 0.5257 0.0507
0.85 270.0 -0.5844 0.5591 0.0522
0.85 282.0 -0.3162 0.6636 0.0379
0.95 198.0 -0.6967 0.6318 0.0591
0.95 210.0 -0.54 0.6736 0.0496
0.95 222.0 -0.3054 0.6554 0.0374
0.95 234.0 0.0173 0.7236 0.03
0.95 246.0 -0.3874 0.52 0.0413
0.95 258.0 -0.0149 0.6151 0.03
0.95 270.0 1.0009 0.6574 0.0791
0.95 282.0 -0.4817 0.6183 0.0463
0.95 294.0 -0.8056 0.4724 0.0661
0.95 306.0 0.7706 0.6979 0.0638
Created in SINP MSU, CLAS Collaboration