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Measurement E151M2982

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: 0.3391
Q2: 0.1205 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9254

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 294.0 0.3151 0.2245
0.15 306.0 -0.0064 0.2261
0.25 66.0 0.0964 0.2626
0.25 78.0 -0.0965 0.2909
0.25 294.0 -0.0192 0.2127
0.25 306.0 -0.0741 0.2643
0.35 66.0 -0.1494 0.2218
0.35 78.0 -0.221 0.2117
0.35 282.0 0.0974 0.2458
0.35 294.0 0.1283 0.236
0.35 306.0 -0.3264 0.2406
0.45 66.0 -0.6464 0.1542
0.45 78.0 -0.041 0.2421
0.45 282.0 0.1134 0.2624
0.45 294.0 0.2474 0.2199
0.55 78.0 0.0504 0.2154
0.55 102.0 -0.4611 0.2278
0.55 270.0 -0.2429 0.2199
0.55 282.0 0.1411 0.2559
0.65 102.0 0.0029 0.2077
0.65 114.0 -0.6539 0.1751
0.65 126.0 0.0836 0.2848
0.65 246.0 0.209 0.2658
0.65 258.0 0.0707 0.2016
0.65 270.0 -0.0302 0.2082
0.65 282.0 0.0681 0.2616
0.75 90.0 0.0048 0.2069
0.75 102.0 -0.129 0.1783
0.75 114.0 0.1964 0.1559
0.75 126.0 0.0134 0.1843
0.75 138.0 -0.186 0.2274
0.75 222.0 0.1413 0.2243
0.75 234.0 -0.003 0.1884
0.75 246.0 0.2755 0.1799
0.75 258.0 -0.1243 0.1741
0.75 270.0 0.1299 0.1849
0.75 282.0 -0.1462 0.2102
0.85 78.0 0.0154 0.288
0.85 90.0 0.1195 0.2465
0.85 102.0 0.1113 0.1481
0.85 114.0 -0.1571 0.1602
0.85 126.0 -0.0018 0.1689
0.85 138.0 -0.0397 0.1859
0.85 150.0 0.2472 0.2316
0.85 162.0 -0.1041 0.2552
0.85 210.0 -0.0433 0.2614
0.85 222.0 0.018 0.1969
0.85 234.0 -0.0817 0.172
0.85 246.0 -0.0964 0.1611
0.85 258.0 -0.326 0.1848
0.85 270.0 -0.1629 0.1733
0.85 282.0 -0.1169 0.1978
0.95 78.0 0.1019 0.2472
0.95 90.0 -0.2145 0.2611
0.95 114.0 0.4836 0.197
0.95 126.0 -0.192 0.2752
0.95 138.0 0.352 0.2199
0.95 150.0 -0.0105 0.2624
0.95 210.0 -0.2561 0.2393
0.95 234.0 -0.5627 0.1658
0.95 246.0 -0.092 0.1847
0.95 258.0 -0.0575 0.1938
0.95 270.0 -0.1229 0.1789
0.95 282.0 -0.2237 0.2271
Created in SINP MSU, CLAS Collaboration