CLAS Physics Database

Measurement E151M2330

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: 0.0717
Q2: 0.0844 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.9103

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.35 66.0 -0.5791 0.9745
0.35 78.0 -0.8977 0.8668
0.35 270.0 0.4626 0.862
0.45 78.0 0.3738 0.9515
0.45 102.0 -2.4119 0.6745
0.45 114.0 0.4377 0.8357
0.45 126.0 1.7144 0.7315
0.45 258.0 -0.5587 0.7673
0.45 270.0 -1.1347 0.646
0.45 282.0 -1.8591 0.6705
0.45 294.0 -1.09 0.8102
0.55 66.0 0.5015 0.8226
0.55 102.0 -0.4716 0.7715
0.55 114.0 -0.3512 0.6717
0.55 126.0 -1.8161 0.6985
0.55 138.0 -2.6809 2.6809
0.55 198.0 -0.5167 0.9918
0.55 210.0 -0.5291 0.8272
0.55 222.0 0.3526 0.8193
0.55 234.0 0.3043 1.0098
0.55 258.0 -1.4451 0.706
0.55 270.0 0.3272 0.6575
0.55 282.0 -0.8314 0.8479
0.65 42.0 -2.5737 2.5737
0.65 54.0 -0.0706 0.9892
0.65 66.0 -0.0449 0.6915
0.65 102.0 -0.5341 0.8239
0.65 114.0 -0.993 0.6815
0.65 126.0 0.2716 0.6292
0.65 138.0 0.7798 0.7121
0.65 186.0 0.0581 0.9558
0.65 198.0 -1.2765 0.7965
0.65 210.0 1.2359 0.704
0.65 222.0 0.1867 0.6984
0.65 234.0 -0.1737 0.8941
0.65 282.0 0.6653 0.6823
0.65 294.0 -0.5515 0.8336
0.75 90.0 -0.7217 0.7973
0.75 114.0 0.5378 0.7214
0.75 126.0 -1.1518 0.6282
0.75 138.0 1.0277 0.6735
0.75 174.0 -2.3764 0.8269
0.75 186.0 -0.1309 0.8136
0.75 198.0 0.3813 0.7128
0.75 210.0 0.3692 0.6916
0.75 222.0 -0.2733 0.5593
0.75 234.0 -0.1782 0.7317
0.75 270.0 -0.18 0.8193
0.75 282.0 0.3826 0.6376
0.75 294.0 -0.7155 0.6895
0.85 90.0 -0.0393 0.6798
0.85 102.0 0.6247 0.5739
0.85 114.0 0.6644 0.6884
0.85 126.0 -0.553 0.8763
0.85 186.0 0.3778 0.7245
0.85 198.0 0.5066 0.6741
0.85 210.0 -0.9189 0.6623
0.85 222.0 -0.5607 0.5626
0.85 234.0 0.0572 0.5586
0.85 246.0 -0.6629 0.8981
0.85 270.0 0.6629 0.9767
0.85 282.0 -0.4908 0.8159
0.95 102.0 -2.3166 0.6445
0.95 114.0 -1.3657 0.8512
0.95 198.0 0.5416 0.6952
0.95 210.0 0.7393 0.7292
0.95 222.0 0.2812 0.8314
0.95 234.0 0.6724 0.7061
0.95 246.0 -0.2205 0.7443