CLAS Physics Database

Measurement E151M99

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: 0.2772
Q2: 0.101 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7431

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.35 42.0 1.9576 0.9706 0.2247
0.55 258.0 0.1805 0.7288 0.0364
0.55 270.0 0.3252 0.6881 0.0476
0.65 234.0 -0.8046 0.638 0.0963
0.65 246.0 -0.3263 0.5772 0.0477
0.65 258.0 0.5718 0.5721 0.0716
0.65 270.0 0.4539 0.6111 0.0597
0.65 282.0 0.2941 0.7545 0.0449
0.75 126.0 -0.0769 0.8333 0.0312
0.75 138.0 0.5931 0.6489 0.0739
0.75 150.0 1.118 0.819 0.1307
0.75 234.0 -0.5029 0.6431 0.0646
0.75 246.0 0.2003 0.6403 0.0377
0.75 270.0 -1.3115 0.4837 0.1522
0.75 282.0 -0.0937 0.5655 0.0318
0.85 114.0 -0.1738 0.6938 0.0359
0.85 126.0 -0.052 0.6389 0.0306
0.85 138.0 -0.0445 0.586 0.0304
0.85 150.0 0.9951 0.6936 0.1171
0.85 162.0 0.0085 0.6143 0.03
0.85 174.0 -0.8163 0.6692 0.0976
0.85 186.0 -0.4356 0.6862 0.0579
0.85 246.0 -0.1725 0.5775 0.0359
0.85 258.0 -0.1957 0.4408 0.0374
0.85 270.0 0.3115 0.5747 0.0464
0.85 282.0 -0.3449 0.5178 0.0494
0.95 102.0 -0.1721 0.5397 0.0358
0.95 126.0 0.272 0.6425 0.0431
0.95 138.0 1.4938 0.649 0.1726
0.95 258.0 0.1258 0.5891 0.0332
0.95 270.0 0.1361 0.552 0.0338