CLAS Physics Database

Measurement E151M1373

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: ALL
εL: 0.0329
Q2: 0.0171 GeV2
W: 1415.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7077

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 42.0 0.1057 0.9723
0.35 30.0 0.0378 0.9378
0.35 42.0 -1.1718 0.6308
0.35 54.0 0.4949 0.5319
0.35 66.0 0.5015 0.8683
0.45 30.0 -0.6784 0.7447
0.45 42.0 -0.2611 0.6419
0.45 54.0 -0.1566 0.6275
0.45 66.0 1.8287 0.7376
0.45 222.0 1.7544 0.7618
0.45 234.0 -0.2555 0.8691
0.45 246.0 -1.2866 0.7973
0.45 258.0 0.3946 0.8732
0.55 30.0 -1.2422 0.6426
0.55 42.0 -0.1393 0.5737
0.55 54.0 0.7529 0.6044
0.55 66.0 -1.9747 0.8396
0.55 138.0 -1.1806 0.8738
0.55 150.0 1.1495 0.936
0.55 162.0 0.9211 0.8953
0.55 210.0 -0.7889 0.8654
0.55 222.0 -1.0217 0.6754
0.55 234.0 -0.6243 0.6161
0.55 246.0 0.3744 0.547
0.55 258.0 -0.0208 0.7872
0.65 42.0 0.9867 0.8208
0.65 54.0 -0.4036 0.7306
0.65 138.0 0.8737 0.9337
0.65 150.0 0.3008 0.7658
0.65 162.0 -1.1499 0.7771
0.65 174.0 1.2797 0.793
0.65 186.0 0.2695 0.8765
0.65 198.0 1.2616 0.888
0.65 210.0 0.1901 0.7521
0.65 222.0 -0.5172 0.6004
0.65 234.0 -0.3974 0.5162
0.65 246.0 0.6205 0.5033
0.65 258.0 -0.6828 0.5491
0.65 270.0 0.3164 0.9009
0.75 30.0 0.2131 0.8923
0.75 138.0 0.5497 0.9406
0.75 150.0 -1.5152 0.8393
0.75 162.0 0.0684 0.9019
0.75 174.0 -0.0588 0.8486
0.75 210.0 0.5014 0.7029
0.75 222.0 -0.0862 0.5644
0.75 234.0 0.1299 0.5362
0.75 246.0 -0.8196 0.4519
0.75 258.0 -0.5359 0.6179
0.85 210.0 -0.3482 0.7393
0.85 222.0 0.2348 0.6134
0.85 234.0 -0.6208 0.5137
0.85 246.0 -0.1105 0.4974
0.85 258.0 0.0035 0.672
0.95 234.0 -0.7654 0.6771