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Measurement E151M3479

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: 0.1739
Q2: 0.101 GeV2
W: 1475.0 GeV
Ebeam: 2.999 GeV
ε: 0.9537

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.25 54.0 -0.0474 0.2641 0.03
0.25 66.0 -0.3185 0.2621 0.0307
0.25 294.0 -0.1188 0.2885 0.0301
0.35 78.0 -0.1529 0.2193 0.0302
0.35 282.0 -0.1882 0.2551 0.0302
0.35 294.0 -0.1767 0.2672 0.0302
0.45 270.0 -0.0862 0.2285 0.03
0.45 282.0 0.118 0.2355 0.0301
0.55 54.0 0.114 0.2668 0.0301
0.55 102.0 0.2865 0.2217 0.0305
0.55 126.0 -0.2263 0.2705 0.0303
0.55 282.0 -0.0988 0.2365 0.0301
0.65 90.0 -0.3731 0.2449 0.0309
0.65 102.0 0.1571 0.2462 0.0302
0.65 114.0 0.0434 0.2482 0.03
0.65 126.0 0.35 0.2248 0.0308
0.65 138.0 0.2364 0.2652 0.0304
0.65 234.0 0.3591 0.1877 0.0308
0.65 246.0 -0.2437 0.2384 0.0304
0.75 102.0 0.0461 0.2048 0.03
0.75 114.0 -0.71 0.1192 0.0332
0.75 126.0 0.4484 0.1998 0.0313
0.75 138.0 -0.3499 0.2448 0.0308
0.75 210.0 0.233 0.2372 0.0304
0.75 222.0 0.0253 0.2136 0.03
0.75 234.0 0.1345 0.2061 0.0301
0.75 246.0 -0.0062 0.2501 0.03
0.75 258.0 0.089 0.2062 0.0301
0.85 78.0 0.1986 0.2481 0.0303
0.85 90.0 -0.2831 0.2963 0.0305
0.85 114.0 0.2503 0.1831 0.0304
0.85 126.0 -0.2152 0.1944 0.0303
0.85 138.0 -0.2253 0.2323 0.0303
0.85 210.0 0.0509 0.2919 0.03
0.85 222.0 0.0994 0.2169 0.0301
0.85 234.0 -0.3061 0.1762 0.0306
0.85 246.0 -0.0477 0.1792 0.03
0.85 258.0 -0.0736 0.1847 0.03
0.85 270.0 0.0851 0.2332 0.03
0.95 222.0 0.0956 0.2515 0.0301
0.95 246.0 -0.0932 0.2471 0.0301
0.95 258.0 0.0693 0.2013 0.03
0.95 270.0 -0.2231 0.2113 0.0303
Created in SINP MSU, CLAS Collaboration