CLAS Physics Database

Measurement E151M2335

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: 0.1506
Q2: 0.205 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.8887

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 66.0 0.2369 0.9686
0.25 66.0 0.368 0.8885
0.25 270.0 -0.1413 1.0144
0.35 270.0 0.0324 0.8716
0.35 282.0 0.023 0.7933
0.45 102.0 1.1647 0.9916
0.45 114.0 -0.5608 0.8796
0.45 258.0 -0.0259 0.8863
0.45 270.0 0.0604 0.9571
0.45 282.0 -0.3293 0.6941
0.45 294.0 -0.9373 0.8365
0.55 42.0 -0.464 0.8376
0.55 54.0 -1.0761 0.75
0.55 90.0 1.3145 0.7983
0.55 102.0 -0.7297 0.7106
0.55 114.0 -0.5355 0.7038
0.55 126.0 -0.7169 0.8224
0.55 138.0 -0.276 0.8786
0.55 222.0 0.5229 0.8811
0.55 234.0 -0.6485 0.7801
0.55 258.0 -0.6403 0.7836
0.55 270.0 -1.3109 0.5995
0.55 282.0 -0.1285 0.8273
0.55 294.0 0.7387 0.8842
0.65 90.0 -0.4306 0.964
0.65 102.0 0.7215 0.5959
0.65 114.0 0.8043 0.5667
0.65 126.0 -0.392 0.7089
0.65 138.0 -0.3545 0.8603
0.65 198.0 -0.4365 0.8509
0.65 210.0 -0.1286 0.8425
0.65 222.0 0.6386 0.7594
0.65 234.0 -0.8602 0.8228
0.65 246.0 1.0978 0.7941
0.65 282.0 -0.3466 0.7941
0.65 294.0 -0.3436 0.6619
0.65 306.0 0.1555 0.737
0.75 78.0 -0.536 0.7157
0.75 102.0 0.4323 0.7359
0.75 114.0 0.0258 0.5914
0.75 126.0 0.5658 0.7154
0.75 138.0 -1.19 0.7828
0.75 186.0 -1.5497 0.8699
0.75 198.0 -0.2621 0.721
0.75 210.0 -0.8428 0.6165
0.75 222.0 -0.1614 0.6364
0.75 234.0 -1.1042 0.6442
0.75 246.0 -0.2123 0.6761
0.75 282.0 0.7096 0.6813
0.75 294.0 -0.5986 0.6844
0.75 306.0 -0.887 0.798
0.85 66.0 -0.4199 0.7326
0.85 78.0 -0.0323 0.5171
0.85 90.0 0.4388 0.5293
0.85 102.0 -0.5665 0.6446
0.85 114.0 -1.2119 0.6863
0.85 174.0 -0.8241 0.9017
0.85 186.0 0.3521 0.7825
0.85 198.0 -0.2903 0.6934
0.85 210.0 -1.1128 0.549
0.85 222.0 0.7799 0.5477
0.85 234.0 -0.2888 0.4779
0.85 246.0 -0.3757 0.529
0.85 258.0 0.6801 0.6639
0.85 270.0 1.1852 0.8051
0.85 282.0 1.2186 0.8327
0.95 90.0 0.4818 0.6496
0.95 102.0 -1.2591 0.9165
0.95 186.0 0.315 0.9539
0.95 198.0 -0.0317 0.7321
0.95 210.0 -0.3819 0.7431
0.95 222.0 -0.2621 0.731
0.95 234.0 0.0066 0.5474
0.95 246.0 -0.5112 0.5503
0.95 258.0 1.0383 0.5219
0.95 270.0 0.4753 0.5285
0.95 282.0 -0.4545 0.6287