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Measurement E151M1860

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: 0.0407
Q2: 0.0348 GeV2
W: 1565.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8546

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 -0.2195 0.9354
0.25 78.0 0.2388 0.9266
0.35 66.0 -1.5302 0.7605
0.35 78.0 0.2625 0.7703
0.35 90.0 0.441 0.7584
0.35 270.0 0.0155 0.7893
0.35 282.0 -0.5271 0.711
0.45 66.0 -1.5792 0.7149
0.45 78.0 0.567 0.7559
0.45 90.0 0.5838 0.787
0.45 126.0 1.6248 0.7454
0.45 258.0 -0.6616 0.8311
0.45 270.0 0.3341 0.7188
0.45 282.0 -1.9621 0.5925
0.45 294.0 0.0807 0.9974
0.55 78.0 -1.3759 0.6915
0.55 90.0 0.6561 0.9081
0.55 114.0 -0.7963 0.9195
0.55 126.0 0.4766 0.7463
0.55 138.0 0.7543 0.932
0.55 150.0 -0.6149 0.8635
0.55 186.0 -0.3839 0.9566
0.55 198.0 0.5858 0.901
0.55 210.0 -0.0115 0.9033
0.55 222.0 1.6592 0.6489
0.55 234.0 0.073 0.7821
0.55 246.0 0.5576 0.8763
0.55 258.0 -0.5476 0.6076
0.55 270.0 -0.7414 0.6644
0.55 282.0 -0.0048 0.694
0.55 294.0 -0.0379 0.8448
0.65 66.0 1.0223 0.8587
0.65 78.0 -0.7502 0.8546
0.65 90.0 -1.2532 0.776
0.65 102.0 0.979 0.8055
0.65 114.0 -0.1816 0.7641
0.65 126.0 -0.269 0.6874
0.65 138.0 0.683 0.7014
0.65 150.0 -0.2225 0.8534
0.65 198.0 -0.0202 0.8135
0.65 210.0 0.7316 0.7658
0.65 222.0 -0.0925 0.7382
0.65 234.0 -0.6173 0.7537
0.65 246.0 -0.1263 0.8593
0.65 258.0 -0.6707 0.817
0.65 270.0 0.7327 0.9198
0.65 282.0 1.0806 0.7457
0.65 294.0 -1.8398 0.7968
0.75 66.0 -0.5293 0.7719
0.75 78.0 0.7614 0.9323
0.75 90.0 0.3526 0.9854
0.75 114.0 -1.4851 0.8938
0.75 126.0 -0.2948 0.7815
0.75 138.0 0.6679 0.7254
0.75 150.0 -0.1874 0.8561
0.75 198.0 -0.7549 0.7634
0.75 210.0 0.1607 0.5849
0.75 222.0 -0.2901 0.6009
0.75 234.0 0.2435 0.6155
0.75 246.0 1.6033 0.7199
0.75 258.0 -0.517 0.901
0.75 270.0 -0.2781 0.5957
0.75 282.0 -0.2238 0.5149
0.75 294.0 -0.2239 0.733
0.85 102.0 -0.1201 0.8158
0.85 114.0 -0.4659 0.6916
0.85 126.0 0.3749 0.8105
0.85 138.0 0.8474 0.8408
0.85 198.0 -1.3982 0.7305
0.85 210.0 -1.712 0.6044
0.85 222.0 -0.0496 0.6716
0.85 234.0 -0.7869 0.667
0.85 270.0 0.1795 0.8693
0.95 210.0 1.1085 0.8185
0.95 222.0 0.3817 0.7893
Created in SINP MSU, CLAS Collaboration