CLAS Physics Database

Measurement E151M1165

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: AUL
εL: 0.0855
Q2: 0.1715 GeV2
W: 1775.0 GeV
Ebeam: 2.999 GeV
ε: 0.8441

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.65 114.0 -2.0122 0.6212
0.75 90.0 -1.0109 0.7794
0.75 102.0 0.6108 1.0332
0.75 198.0 2.1117 1.0568
0.75 210.0 0.9185 1.0106
0.75 222.0 0.0385 0.8194
0.75 294.0 -0.2334 0.8338
0.85 78.0 -0.2351 0.8608
0.85 90.0 -0.3373 0.6378
0.85 102.0 -0.9399 0.5969
0.85 114.0 -0.4071 0.7078
0.85 186.0 0.383 0.8679
0.85 198.0 -0.4833 0.5751
0.85 210.0 -0.9935 0.5459
0.85 222.0 -0.7152 0.5212
0.85 234.0 -0.1725 0.7977
0.85 246.0 -0.5272 0.8217
0.95 102.0 -0.5788 0.7872
0.95 114.0 0.0829 0.84
0.95 186.0 -0.0921 0.9113
0.95 198.0 -0.2618 0.8085
0.95 210.0 0.8254 0.8144
0.95 222.0 -0.5792 0.6064
0.95 234.0 0.8421 0.9128