CLAS Physics Database

Measurement E151M2098

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: 0.1113
Q2: 0.101 GeV2
W: 1565.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8731

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.55 126.0 0.0015 0.8519 0.03
0.55 270.0 -0.1823 0.7793 0.0323
0.55 282.0 -1.1754 0.8267 0.0821
0.65 102.0 0.2394 0.8633 0.0338
0.65 114.0 0.7033 0.6816 0.0547
0.65 126.0 -0.5133 0.8977 0.0449
0.65 222.0 0.8723 1.0108 0.0642
0.65 246.0 -1.759 0.9056 0.1183
0.75 114.0 0.5331 0.9394 0.0459
0.75 126.0 -0.8314 0.9289 0.0618
0.75 138.0 -1.1179 0.8525 0.0787
0.75 222.0 0.8765 0.9323 0.0644
0.75 234.0 -0.827 0.9458 0.0616
0.75 294.0 -1.5649 0.7301 0.1061
0.85 90.0 0.3866 0.7257 0.0391
0.85 102.0 1.0948 0.7627 0.0773
0.85 210.0 0.114 1.0104 0.0309
0.85 222.0 -0.5684 0.7688 0.0476
0.85 234.0 -0.6636 0.9471 0.0526
0.85 246.0 0.1964 0.9053 0.0326
0.85 282.0 -0.6471 0.9604 0.0517
0.95 234.0 2.9022 1.3023 0.1912
0.95 246.0 -2.6877 1.494 0.1774
0.45 282.0 0.7719 0.7478 0.077
0.55 114.0 0.3547 0.9832 0.0443
0.55 126.0 -2.2469 0.8755 0.2087
0.55 258.0 0.1059 0.8435 0.0315
0.55 270.0 0.2496 0.7613 0.0378
0.65 126.0 -0.634 0.8992 0.0655
0.65 138.0 1.2002 0.9419 0.1143
0.65 222.0 1.8212 0.7497 0.17
0.75 102.0 1.3069 0.9996 0.1238
0.75 114.0 0.357 0.8826 0.0445
0.75 126.0 -0.0527 0.936 0.0304
0.75 210.0 -0.5888 0.9124 0.0619
0.75 222.0 1.0394 0.9406 0.1001
0.75 234.0 0.1501 0.9019 0.033
0.75 282.0 0.5125 0.7066 0.0558
0.75 294.0 -0.3996 0.8324 0.0474
0.85 90.0 0.3342 1.1266 0.0429
0.85 210.0 0.5866 1.0449 0.0617
0.85 222.0 0.226 0.9458 0.0365
0.85 234.0 -0.2858 0.9225 0.0399
0.95 210.0 0.9934 3.0446 0.0961
0.95 222.0 -0.1226 2.8398 0.032
0.95 246.0 0.2386 2.6646 0.0372