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Measurement E151M911

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: 0.0556
Q2: 0.0707 GeV2
W: 1655.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8306

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 270.0 0.6435 0.488
0.55 126.0 -0.9765 0.9617
0.55 258.0 0.385 0.9124
0.55 270.0 -0.6413 0.7677
0.55 282.0 0.0152 0.8056
0.65 222.0 0.2928 0.8588
0.65 294.0 1.7127 0.7874
0.75 66.0 0.6513 1.1011
0.75 210.0 1.5619 1.0962
0.75 222.0 1.1244 0.832
0.75 270.0 0.5379 0.8385
0.75 282.0 -0.2483 0.6879
0.85 102.0 0.3761 1.227
0.85 114.0 -0.9515 0.9464
0.85 126.0 0.4272 1.3313
0.85 210.0 -0.7078 0.9385
0.85 222.0 0.954 0.967
0.45 282.0 0.5009 0.6409
0.55 126.0 -0.8437 0.5779
0.55 222.0 1.4243 0.7479
0.55 234.0 0.2413 0.7494
0.55 258.0 -0.5645 0.5754
0.55 270.0 0.4948 0.6348
0.65 126.0 -1.2967 0.5157
0.65 138.0 -2.1259 0.4103
0.75 210.0 1.2635 0.7649
0.75 222.0 0.0777 0.7035
0.75 234.0 0.7797 0.6412
0.75 282.0 -0.2529 0.5175
0.75 294.0 0.4454 0.5978
0.85 102.0 0.1946 0.6
0.85 114.0 -0.2957 0.5941
0.85 126.0 -1.0043 0.6256
0.85 198.0 0.3413 0.8436
0.85 210.0 1.1368 0.6555
0.85 222.0 1.2075 0.6995
0.85 246.0 0.1204 0.8331
Created in SINP MSU, CLAS Collaboration