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Measurement E151M2479

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: 0.5353
Q2: 0.101 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8374

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
-0.05 42.0 0.2007 0.2477
0.05 42.0 0.0778 0.2209
0.05 54.0 0.0236 0.2494
0.15 42.0 -0.125 0.2054
0.15 54.0 0.3763 0.2327
0.35 282.0 0.1432 0.1848
0.45 270.0 -0.0165 0.1782
0.45 282.0 -0.0108 0.1737
0.45 294.0 -0.055 0.1858
0.55 258.0 0.2865 0.2257
0.55 270.0 -0.0459 0.1577
0.55 282.0 0.0229 0.1479
0.55 294.0 -0.1779 0.1963
0.65 258.0 -0.1546 0.1729
0.65 270.0 -0.1363 0.1399
0.65 282.0 0.0786 0.1553
0.65 294.0 -0.2399 0.1693
0.75 246.0 0.3417 0.1899
0.75 258.0 -0.4119 0.1566
0.75 270.0 0.3411 0.1412
0.75 282.0 -0.061 0.1617
0.75 294.0 0.2251 0.1933
0.85 114.0 0.5043 0.205
0.85 126.0 -0.2824 0.2072
0.85 138.0 0.1745 0.1705
0.85 150.0 0.0382 0.1834
0.85 162.0 -0.0763 0.1863
0.85 174.0 0.1339 0.1848
0.85 186.0 -0.0189 0.2001
0.85 198.0 -0.1643 0.193
0.85 210.0 -0.2244 0.1963
0.85 222.0 -0.1171 0.1989
0.85 246.0 -0.4631 0.2076
0.85 258.0 0.1785 0.2027
0.85 270.0 -0.2561 0.18
0.85 282.0 -0.2475 0.1991
0.95 78.0 0.0328 0.2548
0.95 126.0 0.3096 0.1931
0.95 138.0 0.1821 0.1902
0.95 150.0 -0.1259 0.1756
0.95 162.0 0.0528 0.1742
0.95 174.0 -0.1897 0.1741
0.95 186.0 -0.1064 0.2108
0.95 198.0 -0.0655 0.1989
0.95 210.0 -0.1083 0.2169
0.95 222.0 0.0689 0.2381
0.95 234.0 0.6371 0.1915
Created in SINP MSU, CLAS Collaboration