CLAS Physics Database

Measurement E151M2561

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: 0.1518
Q2: 0.0593 GeV2
W: 1355.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7494

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 -0.0638 0.2498
0.35 30.0 -0.0342 0.2447
0.35 42.0 0.0332 0.203
0.45 42.0 0.169 0.2555
0.55 234.0 -0.7122 0.1682
0.55 246.0 0.0581 0.1842
0.55 258.0 -0.0751 0.1635
0.55 270.0 -0.2142 0.205
0.65 138.0 0.2185 0.1822
0.65 150.0 0.0845 0.2183
0.65 162.0 -0.3628 0.2057
0.65 222.0 -0.1258 0.21
0.65 234.0 -0.1158 0.1524
0.65 246.0 -0.272 0.1562
0.65 258.0 -0.1257 0.1446
0.65 270.0 0.2669 0.1826
0.75 126.0 0.3995 0.2303
0.75 138.0 0.1015 0.1933
0.75 150.0 0.1315 0.1849
0.75 162.0 -0.2892 0.226
0.75 222.0 0.0312 0.202
0.75 234.0 -0.0706 0.1655
0.75 246.0 -0.2718 0.1593
0.75 258.0 0.0099 0.1368
0.75 270.0 -0.2113 0.1728
0.85 126.0 0.1078 0.2368
0.85 138.0 0.4551 0.1883
0.85 150.0 0.0502 0.2017
0.85 162.0 0.135 0.2135
0.85 174.0 0.0499 0.2061
0.85 222.0 0.0997 0.2403
0.85 234.0 -0.1006 0.2166
0.85 246.0 -0.2609 0.1474
0.85 258.0 -0.0138 0.14
0.85 270.0 -0.2879 0.1319
0.85 282.0 -0.1039 0.2272
0.95 114.0 0.0485 0.2018
0.95 126.0 0.1621 0.1998
0.95 138.0 0.027 0.2383
0.95 234.0 0.006 0.2536
0.95 258.0 -0.0751 0.2388
0.95 270.0 -0.1247 0.2135