CLAS Physics Database

Measurement E151M1152

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: 0.095
Q2: 0.1715 GeV2
W: 1745.0 GeV
Ebeam: 2.999 GeV
ε: 0.8584

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 102.0 0.6887 0.9663
0.55 114.0 -1.8618 0.626
0.55 126.0 -0.2556 0.9282
0.55 222.0 1.6682 1.1097
0.65 102.0 0.6656 0.9539
0.65 114.0 0.1592 0.9803
0.65 126.0 -0.0788 0.8286
0.65 138.0 -1.2754 0.7079
0.65 198.0 1.6178 1.0295
0.65 210.0 1.0461 0.9197
0.65 234.0 0.0435 0.9417
0.65 282.0 -1.1176 0.638
0.75 90.0 -0.5724 0.6286
0.75 102.0 -0.9113 0.6892
0.75 114.0 1.0598 0.9907
0.75 126.0 1.2314 0.9861
0.75 186.0 -1.3015 0.6226
0.75 198.0 0.2903 0.7788
0.75 210.0 1.2841 0.8911
0.75 222.0 -0.1534 0.6686
0.75 234.0 -1.3928 0.6017
0.75 246.0 0.9827 1.134
0.75 282.0 -1.1111 0.5378
0.75 294.0 0.8487 0.6837
0.85 78.0 -0.6299 0.6352
0.85 90.0 0.0169 0.6824
0.85 102.0 -0.6351 0.5468
0.85 114.0 -0.4569 0.6765
0.85 174.0 -0.3101 0.8626
0.85 186.0 -0.26 0.5675
0.85 198.0 -0.1785 0.5586
0.85 210.0 0.7538 0.6615
0.85 222.0 -0.3476 0.5394
0.85 234.0 -0.0742 0.601
0.85 246.0 0.282 0.8483
0.85 258.0 0.3202 0.9265
0.95 174.0 -1.1587 0.6249
0.95 186.0 0.2758 0.7541
0.95 198.0 -0.3755 0.6945
0.95 210.0 0.1367 0.7907
0.95 222.0 0.8528 0.7152
0.95 234.0 0.7115 0.6722
0.95 246.0 0.6053 0.7752