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Measurement E151M2611

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: 0.0159
Q2: 0.0101 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6631

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 42.0 -0.0871 0.1636 0.0301
0.35 54.0 0.1918 0.1821 0.0302
0.45 30.0 -0.0773 0.2113 0.03
0.45 42.0 -0.1354 0.1889 0.0301
0.45 54.0 0.1731 0.1619 0.0302
0.45 66.0 0.2179 0.2243 0.0303
0.45 222.0 0.2705 0.21 0.0305
0.45 234.0 0.1707 0.2149 0.0302
0.45 246.0 0.015 0.2361 0.03
0.55 30.0 -0.2148 0.2136 0.0303
0.55 42.0 -0.3249 0.2063 0.0307
0.55 54.0 0.0028 0.1868 0.03
0.55 150.0 -0.0272 0.2261 0.03
0.55 162.0 -0.2553 0.2182 0.0304
0.55 210.0 -0.133 0.239 0.0301
0.55 222.0 0.1658 0.1901 0.0302
0.55 234.0 0.2163 0.1907 0.0303
0.55 246.0 0.2717 0.1964 0.0305
0.65 42.0 -0.4973 0.2152 0.0316
0.65 150.0 -0.0245 0.2274 0.03
0.65 162.0 0.0324 0.2029 0.03
0.65 174.0 -0.1624 0.2065 0.0302
0.65 210.0 -0.1441 0.2037 0.0301
0.65 222.0 -0.0263 0.1705 0.03
0.65 234.0 -0.076 0.1676 0.03
0.65 246.0 0.1592 0.1661 0.0302
0.65 258.0 0.0838 0.2385 0.03
0.75 222.0 -0.1975 0.1551 0.0303
0.75 234.0 0.2837 0.1604 0.0305
0.75 246.0 -0.2393 0.194 0.0304
0.75 258.0 -0.2107 0.2235 0.0303
0.85 210.0 0.2284 0.2405 0.0303
0.85 222.0 -0.2427 0.2159 0.0304
0.85 234.0 0.0807 0.1832 0.03
0.85 246.0 -0.3309 0.1849 0.0307
Created in SINP MSU, CLAS Collaboration