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Measurement E151M2990

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: ALU
εL: 0.1001
Q2: 0.0348 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9396

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 66.0 -0.1605 0.2124
0.35 78.0 0.1211 0.1899
0.35 282.0 -0.0964 0.2205
0.35 294.0 -0.0133 0.2651
0.45 66.0 0.2793 0.2095
0.45 78.0 -0.2338 0.1593
0.45 90.0 -0.1776 0.2046
0.45 282.0 -0.2793 0.1904
0.45 294.0 -0.1819 0.2296
0.45 306.0 -0.0496 0.2589
0.55 66.0 0.0743 0.2571
0.55 78.0 0.1691 0.1767
0.55 90.0 -0.0339 0.1972
0.55 126.0 0.5755 0.1987
0.55 246.0 -0.0688 0.2225
0.55 258.0 0.5939 0.2107
0.55 270.0 -0.0526 0.2001
0.55 282.0 -0.0692 0.1815
0.55 294.0 0.2875 0.195
0.65 78.0 0.1567 0.2002
0.65 90.0 -0.1053 0.2386
0.65 102.0 0.2149 0.2305
0.65 114.0 0.1011 0.248
0.65 126.0 0.0594 0.2203
0.65 138.0 0.5369 0.1983
0.65 222.0 0.0166 0.223
0.65 234.0 0.0056 0.1725
0.65 246.0 0.0028 0.1772
0.65 258.0 -0.1103 0.244
0.65 270.0 -0.2771 0.2601
0.65 282.0 -0.4225 0.2492
0.75 90.0 -0.0684 0.2424
0.75 102.0 -0.0829 0.2607
0.75 114.0 0.1497 0.1838
0.75 126.0 0.3716 0.1724
0.75 138.0 0.1311 0.181
0.75 150.0 0.1561 0.2007
0.75 210.0 0.2507 0.2173
0.75 222.0 -0.1016 0.1873
0.75 234.0 -0.0707 0.1852
0.75 246.0 -0.0808 0.165
0.75 258.0 0.1866 0.2278
0.85 114.0 -0.3179 0.2397
0.85 126.0 -0.1554 0.199
0.85 138.0 0.0298 0.1986
0.85 150.0 0.0395 0.2205
0.85 210.0 0.4115 0.1754
0.85 222.0 0.2191 0.179
0.85 234.0 0.0056 0.1819
0.85 246.0 -0.0753 0.1562
0.85 258.0 -0.1541 0.1785
0.95 222.0 0.0256 0.2281
Created in SINP MSU, CLAS Collaboration