CLAS Physics Database

Measurement E151M3394

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: 0.8855
Q2: 0.1715 GeV2
W: 1235.0 GeV
Ebeam: 2.999 GeV
ε: 0.977

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 -0.0014 0.1789
0.35 66.0 -0.1405 0.1649
0.35 78.0 -0.205 0.2225
0.35 294.0 0.221 0.2444
0.45 66.0 -0.0057 0.1799
0.45 78.0 -0.3731 0.1747
0.45 282.0 0.3695 0.1588
0.45 294.0 0.2466 0.1934
0.55 78.0 0.0262 0.2237
0.55 270.0 -0.2177 0.1883
0.55 282.0 -0.0367 0.1377
0.55 294.0 -0.4318 0.168
0.65 78.0 -0.5365 0.2042
0.65 90.0 -0.1038 0.2435
0.65 270.0 0.1682 0.1433
0.65 282.0 -0.1648 0.1306
0.65 294.0 -0.1368 0.1639
0.75 66.0 0.1153 0.2708
0.75 78.0 0.1654 0.1549
0.75 90.0 0.0908 0.1648
0.75 102.0 -0.3016 0.1763
0.75 258.0 0.1198 0.1632
0.75 270.0 -0.1016 0.1442
0.75 282.0 0.0882 0.1274
0.75 294.0 -0.2742 0.1328
0.85 66.0 0.2424 0.1842
0.85 78.0 -0.1747 0.1347
0.85 90.0 0.0101 0.123
0.85 102.0 0.215 0.119
0.85 114.0 0.0215 0.143
0.85 126.0 0.0193 0.2566
0.85 234.0 0.1953 0.2682
0.85 246.0 -0.2798 0.1873
0.85 258.0 -0.2822 0.1549
0.85 270.0 -0.1518 0.1308
0.85 282.0 -0.3193 0.1428
0.85 294.0 -0.1712 0.1597
0.95 42.0 -0.0966 0.2759
0.95 54.0 -0.1029 0.1906
0.95 66.0 0.0334 0.146
0.95 78.0 0.0645 0.151
0.95 90.0 -0.1686 0.1479
0.95 102.0 -0.0452 0.1532
0.95 114.0 0.1299 0.1369
0.95 126.0 0.1069 0.1641
0.95 138.0 -0.1726 0.1696
0.95 150.0 -0.0822 0.1833
0.95 162.0 0.0555 0.2123
0.95 174.0 0.0666 0.2037
0.95 198.0 0.0929 0.2519
0.95 210.0 0.2676 0.2101
0.95 222.0 0.3411 0.2677
0.95 234.0 -0.0066 0.2363
0.95 246.0 0.311 0.1819
0.95 258.0 -0.0407 0.1995
0.95 270.0 -0.1926 0.1698
0.95 282.0 0.0891 0.2051
0.95 306.0 -0.2466 0.277