CLAS Physics Database

Measurement E151M119

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: 0.1982
Q2: 0.0844 GeV2
W: 1355.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7208

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 0.3731 0.7939
0.45 270.0 0.238 0.7278
0.55 234.0 -0.1972 0.8022
0.55 246.0 -0.4523 0.6021
0.55 258.0 -0.3977 0.6952
0.55 270.0 0.1554 0.745
0.65 138.0 1.0134 0.9268
0.65 222.0 -0.5289 0.7666
0.65 234.0 -0.2209 0.6299
0.65 246.0 0.7155 0.6271
0.65 258.0 -0.7069 0.4438
0.65 270.0 -0.5236 0.5746
0.75 126.0 0.1084 0.8089
0.75 138.0 -0.2845 0.696
0.75 150.0 1.1381 0.7618
0.75 162.0 -0.547 0.6916
0.75 222.0 1.1307 0.8267
0.75 234.0 -0.6488 0.5039
0.75 246.0 -0.2461 0.4614
0.75 258.0 0.1832 0.5787
0.75 270.0 -1.3928 0.4631
0.75 282.0 -0.7782 0.5785
0.85 126.0 0.1765 0.6926
0.85 138.0 -0.8156 0.554
0.85 150.0 -0.8151 0.6263
0.85 162.0 0.0803 0.6476
0.85 186.0 -0.4293 0.6646
0.85 198.0 0.2379 0.7876
0.85 234.0 -0.0177 0.6267
0.85 246.0 -0.41 0.4997
0.85 258.0 0.1716 0.4322
0.85 270.0 -0.4057 0.4487
0.85 282.0 -1.0225 0.4388
0.95 102.0 0.6453 0.6476
0.95 114.0 -1.1454 0.4752
0.95 126.0 0.3203 0.6739
0.95 138.0 0.6008 0.6855
0.95 150.0 1.2117 0.7021
0.95 174.0 0.0657 0.6773
0.95 246.0 1.6572 0.6544
0.95 270.0 -1.0754 0.4832