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Measurement E151M2573

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: 0.0293
Q2: 0.0121 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7612

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.2542 0.2215
0.35 42.0 -0.4968 0.1516
0.35 54.0 0.025 0.1864
0.45 30.0 -0.2294 0.2353
0.45 42.0 -0.0548 0.1499
0.45 54.0 -0.4021 0.1476
0.45 66.0 -0.2146 0.2421
0.45 222.0 0.0819 0.2612
0.45 234.0 0.3529 0.2326
0.55 18.0 -0.4232 0.2383
0.55 30.0 -0.0765 0.1962
0.55 42.0 0.2135 0.1482
0.55 54.0 -0.1033 0.183
0.55 138.0 -0.0 0.2329
0.55 150.0 -0.0375 0.226
0.55 162.0 0.0974 0.2423
0.55 222.0 -0.2429 0.1853
0.55 234.0 -0.0333 0.1644
0.55 246.0 -0.0071 0.1732
0.55 258.0 -0.0689 0.2454
0.65 42.0 0.2111 0.2306
0.65 54.0 -0.0619 0.2198
0.65 138.0 -0.4756 0.1904
0.65 150.0 0.3016 0.1825
0.65 162.0 0.0883 0.1987
0.65 174.0 -0.2513 0.2065
0.65 210.0 0.0588 0.213
0.65 222.0 0.4564 0.1403
0.65 234.0 0.2802 0.1478
0.65 246.0 -0.4168 0.123
0.65 258.0 -0.0721 0.1832
0.75 138.0 0.1356 0.2197
0.75 150.0 0.4826 0.2091
0.75 162.0 0.2533 0.2171
0.75 174.0 -0.0091 0.2156
0.75 210.0 -0.1969 0.2524
0.75 222.0 0.0278 0.1818
0.75 234.0 0.0051 0.1565
0.75 246.0 0.0893 0.1585
0.75 258.0 0.0223 0.1907
0.85 210.0 -0.384 0.2332
0.85 222.0 -0.1368 0.1604
0.85 234.0 -0.0974 0.1551
0.85 246.0 0.1878 0.1511
0.85 258.0 0.1192 0.1717
Created in SINP MSU, CLAS Collaboration