CLAS Physics Database

Measurement E151M1116

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: 0.2168
Q2: 0.348 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.8615

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.35 270.0 0.1676 0.8375 0.0324
0.55 90.0 -0.1962 0.6419 0.0333
0.55 102.0 -1.199 0.5771 0.0926
0.55 126.0 -0.4424 0.826 0.0441
0.55 270.0 1.4865 0.9491 0.1127
0.55 294.0 0.6927 0.8525 0.0588
0.55 306.0 -0.2055 0.6982 0.0336
0.65 90.0 -0.6192 0.6927 0.0543
0.65 102.0 -0.4447 0.6389 0.0442
0.65 114.0 0.0265 0.8833 0.0301
0.65 126.0 -1.2861 0.6334 0.0987
0.65 210.0 1.5353 1.008 0.1162
0.65 234.0 0.6432 0.8336 0.0558
0.65 246.0 1.5653 0.8754 0.1183
0.65 306.0 0.4593 0.7857 0.045
0.75 66.0 0.2772 0.787 0.0362
0.75 78.0 -0.5721 0.5382 0.0515
0.75 102.0 -1.2204 0.5301 0.0941
0.75 114.0 0.5379 0.7575 0.0495
0.75 126.0 -0.5968 0.7278 0.0529
0.75 210.0 -0.191 0.6922 0.0331
0.75 222.0 1.0811 0.8731 0.0845
0.75 234.0 0.2038 0.6269 0.0335
0.75 246.0 0.707 0.8112 0.0598
0.75 282.0 1.5465 0.9181 0.1169
0.75 294.0 0.3175 0.7482 0.0379
0.85 66.0 -0.2937 0.5435 0.0369
0.85 78.0 -0.3554 0.4835 0.0397
0.85 90.0 -0.2769 0.6473 0.0362
0.85 198.0 1.0573 0.8124 0.0829
0.85 210.0 1.619 0.9625 0.1221
0.85 222.0 -0.1032 0.6287 0.0309
0.85 234.0 0.5328 0.5829 0.0492
0.85 246.0 0.6307 0.5791 0.055
0.85 258.0 0.4116 0.6346 0.0425
0.85 270.0 0.6845 0.8384 0.0583
0.95 78.0 -0.7776 0.5994 0.0643
0.95 174.0 -0.7055 0.7027 0.0597
0.95 186.0 1.3371 0.9515 0.1022
0.95 210.0 0.6839 0.7287 0.0583
0.95 222.0 -0.1891 0.6752 0.033
0.95 234.0 1.4754 0.6689 0.1119
0.95 246.0 0.2575 0.5844 0.0354
0.95 258.0 0.7509 0.644 0.0625
0.95 270.0 -0.2634 0.5377 0.0356
0.95 282.0 -0.099 0.5472 0.0309
0.95 294.0 -0.6484 0.5154 0.0561
0.95 306.0 0.2116 0.7316 0.0338