CLAS Physics Database

Measurement E151M1402

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: ALL
εL: 0.0029
Q2: 0.0023 GeV2
W: 1475.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6137

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.35 30.0 -0.43 0.6112
0.35 42.0 -0.294 0.4918
0.35 54.0 -0.0591 0.5065
0.35 66.0 -0.1475 0.723
0.35 210.0 -0.2845 0.7294
0.35 222.0 0.3769 0.7585
0.35 234.0 0.5147 0.8184
0.45 30.0 0.2456 0.6127
0.45 42.0 0.3243 0.4596
0.45 54.0 -0.2924 0.3795
0.45 66.0 1.0265 0.4932
0.45 150.0 -1.5918 0.6071
0.45 162.0 -0.681 0.5541
0.45 174.0 -1.3721 0.5711
0.45 186.0 -0.8801 0.8518
0.45 198.0 -0.6337 0.6611
0.45 210.0 0.444 0.532
0.45 222.0 -0.143 0.4695
0.45 234.0 -0.3711 0.4497
0.45 246.0 0.2887 0.5693
0.55 18.0 -0.198 0.7984
0.55 30.0 -1.5242 0.6297
0.55 42.0 -0.7535 0.4807
0.55 54.0 -0.1618 0.4527
0.55 66.0 1.4657 0.6218
0.55 150.0 -0.5946 0.5634
0.55 162.0 -0.1338 0.5124
0.55 174.0 0.1169 0.5569
0.55 186.0 0.1418 0.7111
0.55 198.0 -1.2236 0.6926
0.55 210.0 -0.4969 0.4813
0.55 222.0 -0.3159 0.4074
0.55 234.0 0.0612 0.3587
0.55 246.0 0.7897 0.5117
0.65 30.0 0.3713 0.7475
0.65 42.0 0.0273 0.5678
0.65 54.0 -0.3448 0.5658
0.65 66.0 -0.2622 0.9227
0.65 138.0 -0.5608 0.7189
0.65 150.0 0.2509 0.6034
0.65 162.0 0.6703 0.5537
0.65 174.0 0.3306 0.5313
0.65 186.0 -1.1641 0.7238
0.65 198.0 -1.0014 0.7649
0.65 210.0 -0.4291 0.51
0.65 222.0 -0.6201 0.4428
0.65 234.0 -0.6392 0.3586
0.65 246.0 -0.3377 0.5004
0.75 42.0 0.3936 0.8142
0.75 150.0 -1.5942 0.7595
0.75 162.0 -0.4469 0.6741
0.75 174.0 -0.6063 0.7012
0.75 198.0 -0.8073 0.697
0.75 210.0 -1.5583 0.4881
0.75 222.0 -0.2923 0.3747
0.75 234.0 -0.2564 0.3733
0.75 246.0 -0.1742 0.4731
0.85 30.0 0.2697 0.7495
0.85 138.0 -0.4023 0.7453
0.85 150.0 -1.1994 0.7763
0.85 162.0 -1.6353 0.5781
0.85 210.0 -0.8491 0.5085
0.85 222.0 0.2285 0.4146
0.85 234.0 -0.1007 0.419
0.85 246.0 -0.0364 0.544
0.95 222.0 -0.3315 0.6094