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Measurement E151M3075

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: 0.1604
Q2: 0.1435 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8323

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 282.0 -0.2253 0.2704
0.35 282.0 -0.1347 0.2691
0.35 294.0 0.1921 0.2512
0.45 282.0 -0.1563 0.2178
0.45 294.0 0.1916 0.2117
0.55 114.0 0.0982 0.2433
0.55 246.0 0.4186 0.2604
0.55 270.0 0.0073 0.2613
0.55 282.0 -0.0098 0.24
0.65 54.0 -0.3731 0.2333
0.65 102.0 0.6874 0.1967
0.65 114.0 0.121 0.2451
0.65 126.0 0.3617 0.1975
0.65 150.0 -0.4409 0.2335
0.65 222.0 0.1795 0.2513
0.65 234.0 0.2291 0.2076
0.65 294.0 -0.1505 0.2691
0.75 102.0 0.0403 0.2585
0.75 114.0 0.0591 0.2724
0.75 126.0 -0.0094 0.2198
0.75 138.0 -0.2178 0.2593
0.75 210.0 0.294 0.2814
0.75 222.0 -0.2312 0.1802
0.75 234.0 0.1766 0.197
0.75 246.0 -0.2228 0.1901
0.75 258.0 0.1058 0.2764
0.75 282.0 0.2024 0.2609
0.85 78.0 -0.1632 0.2599
0.85 90.0 0.0608 0.219
0.85 114.0 0.0521 0.2401
0.85 138.0 0.2979 0.2684
0.85 198.0 0.2105 0.2467
0.85 210.0 -0.4804 0.2394
0.85 222.0 -0.2065 0.2573
0.85 234.0 -0.1131 0.1928
0.85 246.0 0.1044 0.2228
0.85 258.0 -0.0948 0.2324
0.85 270.0 0.1159 0.2473
0.95 102.0 0.6112 0.1994
0.95 222.0 -0.0545 0.2394
0.95 234.0 -0.068 0.2138
0.95 258.0 0.1185 0.2027
0.95 270.0 -0.2281 0.2077
Created in SINP MSU, CLAS Collaboration