CLAS Physics Database

Measurement E151M2535

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: 0.0878
Q2: 0.0245 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.825

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 -0.4578 0.2045
0.25 42.0 0.0106 0.1799
0.25 54.0 -0.0909 0.191
0.35 30.0 0.3731 0.213
0.35 42.0 0.3427 0.1773
0.35 54.0 -0.2484 0.175
0.35 66.0 -0.2336 0.2612
0.45 30.0 0.1026 0.1614
0.45 42.0 0.2483 0.1303
0.45 54.0 -0.0118 0.2006
0.45 246.0 -0.0692 0.2561
0.55 42.0 0.132 0.175
0.55 54.0 -0.4018 0.1826
0.55 234.0 -0.0981 0.1918
0.55 246.0 0.0687 0.1569
0.55 258.0 -0.0321 0.1374
0.55 270.0 -0.5685 0.183
0.65 138.0 0.0646 0.2362
0.65 150.0 0.117 0.1917
0.65 162.0 0.017 0.1864
0.65 174.0 0.1608 0.2208
0.65 198.0 -0.4068 0.2411
0.65 210.0 0.1033 0.241
0.65 222.0 -0.3463 0.1783
0.65 234.0 0.2607 0.142
0.65 246.0 0.1693 0.1291
0.65 258.0 0.0069 0.1257
0.65 270.0 -0.0136 0.1508
0.75 126.0 0.2767 0.2369
0.75 138.0 -0.0281 0.1726
0.75 150.0 0.087 0.1692
0.75 162.0 0.1857 0.1717
0.75 174.0 -0.0014 0.2085
0.75 186.0 -0.5403 0.1739
0.75 210.0 -0.1106 0.2133
0.75 222.0 -0.2654 0.1899
0.75 234.0 -0.0803 0.1586
0.75 246.0 -0.0424 0.1329
0.75 258.0 -0.0602 0.1381
0.75 270.0 -0.1705 0.1604
0.85 126.0 0.3901 0.2346
0.85 138.0 -0.249 0.2167
0.85 150.0 -0.1391 0.2153
0.85 162.0 0.0552 0.2419
0.85 174.0 -0.2748 0.2402
0.85 222.0 -0.3306 0.2082
0.85 234.0 0.0008 0.1365
0.85 246.0 -0.0343 0.1401
0.85 258.0 0.0364 0.1279
0.85 270.0 -0.4344 0.1372
0.95 246.0 0.0115 0.2418