CLAS Physics Database

Measurement E151M1389

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: 0.0159
Q2: 0.0101 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6631

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 42.0 -1.5987 0.5543 0.1828
0.35 54.0 -0.8894 0.6854 0.1047
0.45 30.0 0.6139 0.7674 0.0755
0.45 42.0 -1.0706 0.6724 0.1244
0.45 54.0 -0.219 0.6072 0.0389
0.45 66.0 -0.5419 0.8653 0.0681
0.45 222.0 1.0077 0.7107 0.1176
0.45 234.0 -0.9363 0.7228 0.1098
0.45 246.0 -0.0098 0.8147 0.03
0.55 30.0 -1.4471 0.7366 0.1659
0.55 42.0 0.1212 0.7933 0.033
0.55 54.0 -1.1284 0.6579 0.1308
0.55 150.0 -0.4215 0.8293 0.0562
0.55 162.0 -2.1219 0.6715 0.2412
0.55 210.0 -1.7324 0.7731 0.1977
0.55 222.0 0.8416 0.6402 0.0996
0.55 234.0 -0.4723 0.6565 0.0611
0.55 246.0 -0.7377 0.6836 0.0884
0.65 42.0 0.0905 0.8612 0.0317
0.65 150.0 0.3148 0.8326 0.0465
0.65 162.0 1.3671 0.6984 0.1571
0.65 174.0 -0.652 0.747 0.0794
0.65 210.0 -1.1756 0.6753 0.1359
0.65 222.0 -0.965 0.5663 0.1129
0.65 234.0 0.0192 0.5771 0.0301
0.65 246.0 -0.6973 0.5687 0.0842
0.65 258.0 -0.3266 0.7885 0.0475
0.75 222.0 0.0949 0.5221 0.0319
0.75 234.0 0.4651 0.5496 0.0604
0.75 246.0 -0.1876 0.663 0.0367
0.75 258.0 1.4681 0.6677 0.1683
0.85 210.0 0.7906 0.7872 0.0941
0.85 222.0 -0.8817 0.6863 0.1039
0.85 234.0 -0.3637 0.5793 0.0508
0.85 246.0 -0.3364 0.6112 0.0484