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 syst. uncert.
0.35 30.0 -0.43 0.6112 0.057
0.35 42.0 -0.294 0.4918 0.0447
0.35 54.0 -0.0591 0.5065 0.0307
0.35 66.0 -0.1475 0.723 0.0343
0.35 210.0 -0.2845 0.7294 0.0439
0.35 222.0 0.3769 0.7585 0.052
0.35 234.0 0.5147 0.8184 0.0653
0.45 30.0 0.2456 0.6127 0.0408
0.45 42.0 0.3243 0.4596 0.0473
0.45 54.0 -0.2924 0.3795 0.0446
0.45 66.0 1.0265 0.4932 0.1196
0.45 150.0 -1.5918 0.6071 0.182
0.45 162.0 -0.681 0.5541 0.0825
0.45 174.0 -1.3721 0.5711 0.1576
0.45 186.0 -0.8801 0.8518 0.1037
0.45 198.0 -0.6337 0.6611 0.0775
0.45 210.0 0.444 0.532 0.0584
0.45 222.0 -0.143 0.4695 0.0341
0.45 234.0 -0.3711 0.4497 0.0515
0.45 246.0 0.2887 0.5693 0.0443
0.55 18.0 -0.198 0.7984 0.0374
0.55 30.0 -1.5242 0.6297 0.1745
0.55 42.0 -0.7535 0.4807 0.0901
0.55 54.0 -0.1618 0.4527 0.0351
0.55 66.0 1.4657 0.6218 0.168
0.55 150.0 -0.5946 0.5634 0.0735
0.55 162.0 -0.1338 0.5124 0.0336
0.55 174.0 0.1169 0.5569 0.0328
0.55 186.0 0.1418 0.7111 0.034
0.55 198.0 -1.2236 0.6926 0.1412
0.55 210.0 -0.4969 0.4813 0.0636
0.55 222.0 -0.3159 0.4074 0.0466
0.55 234.0 0.0612 0.3587 0.0308
0.55 246.0 0.7897 0.5117 0.094
0.65 30.0 0.3713 0.7475 0.0515
0.65 42.0 0.0273 0.5678 0.0302
0.65 54.0 -0.3448 0.5658 0.0491
0.65 66.0 -0.2622 0.9227 0.0421
0.65 138.0 -0.5608 0.7189 0.07
0.65 150.0 0.2509 0.6034 0.0412
0.65 162.0 0.6703 0.5537 0.0813
0.65 174.0 0.3306 0.5313 0.0479
0.65 186.0 -1.1641 0.7238 0.1347
0.65 198.0 -1.0014 0.7649 0.1169
0.65 210.0 -0.4291 0.51 0.0569
0.65 222.0 -0.6201 0.4428 0.0761
0.65 234.0 -0.6392 0.3586 0.0781
0.65 246.0 -0.3377 0.5004 0.0485
0.75 42.0 0.3936 0.8142 0.0536
0.75 150.0 -1.5942 0.7595 0.1823
0.75 162.0 -0.4469 0.6741 0.0587
0.75 174.0 -0.6063 0.7012 0.0747
0.75 198.0 -0.8073 0.697 0.0959
0.75 210.0 -1.5583 0.4881 0.1783
0.75 222.0 -0.2923 0.3747 0.0446
0.75 234.0 -0.2564 0.3733 0.0417
0.75 246.0 -0.1742 0.4731 0.0359
0.85 30.0 0.2697 0.7495 0.0427
0.85 138.0 -0.4023 0.7453 0.0544
0.85 150.0 -1.1994 0.7763 0.1386
0.85 162.0 -1.6353 0.5781 0.1869
0.85 210.0 -0.8491 0.5085 0.1004
0.85 222.0 0.2285 0.4146 0.0395
0.85 234.0 -0.1007 0.419 0.0321
0.85 246.0 -0.0364 0.544 0.0303
0.95 222.0 -0.3315 0.6094 0.0479