CLAS Physics Database

Measurement E151M888

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: 0.0979
Q2: 0.101 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8572

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.65 114.0 -0.1277 0.8207
0.65 126.0 -1.2974 0.6019
0.65 210.0 -0.3189 0.6937
0.65 222.0 -0.2811 0.7176
0.75 126.0 1.6863 0.9388
0.75 138.0 -0.5645 0.8192
0.75 282.0 0.9888 0.7548
0.85 90.0 0.097 0.8861
0.85 210.0 -0.4896 0.7936
0.85 222.0 0.5961 0.8771
0.85 246.0 -0.8432 0.6517
0.35 282.0 -1.1834 0.5752
0.45 270.0 0.1002 0.6346
0.45 282.0 0.2753 0.71
0.55 270.0 -0.7984 0.6522
0.65 102.0 -0.303 0.7219
0.65 126.0 -0.0698 0.7243
0.75 126.0 0.1391 0.7868
0.75 210.0 1.5235 0.8561
0.75 222.0 0.1897 0.7894
0.75 282.0 1.0253 0.8235
0.75 294.0 0.9203 0.7609
0.85 90.0 -1.9479 0.4862
0.85 102.0 -1.2385 0.6723
0.85 114.0 -0.8337 0.7836
0.85 210.0 -0.754 0.8638
0.85 222.0 -0.1858 0.8673
0.85 234.0 -0.2275 0.6963
0.85 246.0 1.0162 0.8319
0.95 234.0 0.2418 1.3248
0.95 246.0 0.3548 1.3519