CLAS Physics Database

Measurement E151M1536

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: ALL
εL: 0.0653
Q2: 0.0245 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8563

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 30.0 0.3884 1.103
0.25 42.0 -0.0927 0.5912
0.35 30.0 0.9433 0.8007
0.35 42.0 0.9347 0.4766
0.45 18.0 -0.9647 0.7071
0.45 30.0 -0.8485 0.5264
0.45 42.0 -0.4791 0.51
0.55 30.0 0.2949 0.6057
0.55 42.0 0.5981 0.6539
0.55 126.0 -0.3304 0.7696
0.55 138.0 0.4115 0.6887
0.55 150.0 0.4133 0.7923
0.55 210.0 0.0466 0.9167
0.55 222.0 -0.4093 0.6822
0.55 234.0 -0.3351 0.6166
0.55 246.0 0.835 0.7037
0.55 258.0 -0.0344 0.8891
0.65 114.0 0.7266 0.8314
0.65 126.0 -0.365 0.6364
0.65 138.0 -0.1058 0.5788
0.65 150.0 -1.3847 0.5944
0.65 162.0 -0.1749 0.8611
0.65 210.0 0.1214 0.7381
0.65 222.0 -0.2836 0.5633
0.65 234.0 -0.6954 0.4902
0.65 246.0 0.7216 0.4867
0.65 258.0 -0.7452 0.6318
0.75 114.0 -1.2122 0.7248
0.75 126.0 -0.2161 0.6372
0.75 138.0 -0.3014 0.474
0.75 150.0 0.7794 0.6722
0.75 162.0 -0.4352 0.7242
0.75 210.0 0.3416 0.6474
0.75 222.0 -0.551 0.6344
0.75 234.0 -0.6226 0.559
0.75 246.0 -0.4801 0.4605
0.75 258.0 -0.0939 0.6722
0.75 270.0 2.3542 2.3542
0.85 114.0 -0.6808 0.7368
0.85 126.0 -0.6486 0.6102
0.85 138.0 -0.6155 0.7461
0.85 150.0 -1.0809 0.7125
0.85 210.0 -1.1202 0.6792
0.85 222.0 0.7611 0.494
0.85 234.0 0.543 0.456
0.85 246.0 -0.2655 0.4764
0.85 258.0 0.0237 0.5228
0.85 270.0 -0.7919 0.5926
0.95 234.0 -1.0182 0.6745
0.95 246.0 -0.3616 0.6593
0.95 258.0 0.1811 0.6598
0.45 246.0 -1.4782 1.2808
0.55 30.0 0.0299 0.953
0.55 42.0 0.1915 0.7839
0.55 126.0 0.7797 0.9161
0.55 138.0 -1.2718 0.9599
0.55 150.0 -0.1616 1.2127
0.55 222.0 0.3383 0.8268
0.55 234.0 -0.4831 0.6894
0.55 246.0 -0.1214 0.7297
0.55 258.0 -0.0379 0.9357
0.65 126.0 1.0528 0.7051
0.65 138.0 0.4079 0.838
0.65 150.0 -0.195 0.8501
0.65 162.0 0.1275 1.1271
0.65 174.0 0.267 1.2525
0.65 210.0 -0.448 0.9366
0.65 222.0 0.2819 0.6411
0.65 234.0 -0.9116 0.5706
0.65 246.0 0.4425 0.6551
0.65 258.0 -0.2605 0.7955
0.75 126.0 0.8657 0.7857
0.75 138.0 -0.1369 0.6824
0.75 150.0 -0.5214 0.8762
0.75 162.0 -0.3907 0.9878
0.75 210.0 0.1166 1.0037
0.75 222.0 -0.9397 0.6152
0.75 234.0 -0.4819 0.5461
0.75 246.0 0.7959 0.5662
0.75 258.0 0.003 0.8249
0.85 114.0 0.1664 1.0893
0.85 126.0 -1.0396 0.9726
0.85 138.0 0.2104 1.0496
0.85 150.0 0.0117 0.9845
0.85 210.0 -0.1051 0.806
0.85 222.0 1.6541 0.5944
0.85 234.0 -0.6181 0.6222
0.85 246.0 0.2719 0.6472
0.85 258.0 0.6734 0.7274
0.85 270.0 0.4478 0.8348
0.95 126.0 -0.2219 0.9451
0.95 222.0 1.6434 0.5006
0.95 234.0 0.1531 0.6946
0.95 246.0 -1.219 0.6032