CLAS Physics Database

Measurement E151M2318

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: 0.0804
Q2: 0.0844 GeV2
W: 1625.0 GeV
Ebeam: 2.999 GeV
ε: 0.9198

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 78.0 -0.6544 1.0398 0.0561
0.35 282.0 0.2551 1.0537 0.0352
0.45 270.0 0.7724 0.8006 0.0635
0.45 282.0 -0.671 1.0087 0.0572
0.55 114.0 -0.3398 0.9427 0.0388
0.55 126.0 2.6205 0.7214 0.1924
0.55 138.0 -1.2207 0.8615 0.0935
0.55 270.0 -0.6474 0.7771 0.0557
0.55 282.0 -1.2377 0.912 0.0946
0.65 66.0 -1.479 0.8748 0.1114
0.65 102.0 -0.5929 0.9031 0.0524
0.65 114.0 0.0147 0.9621 0.03
0.65 126.0 -0.3151 0.7927 0.0377
0.65 138.0 -0.5119 1.0049 0.0477
0.65 150.0 0.2691 1.0295 0.0358
0.65 210.0 0.5396 0.8485 0.0493
0.65 222.0 -0.8682 0.662 0.0697
0.65 234.0 0.6867 1.0288 0.0581
0.65 294.0 -1.0974 0.8409 0.085
0.75 90.0 -1.7816 0.7757 0.1326
0.75 102.0 -0.5257 0.9532 0.0485
0.75 114.0 0.2827 0.7698 0.0363
0.75 126.0 0.1272 0.7437 0.0314
0.75 138.0 0.2808 0.8702 0.0363
0.75 198.0 -2.7025 0.7258 0.1982
0.75 210.0 1.7436 0.9198 0.1299
0.75 222.0 0.1449 0.8028 0.0318
0.75 234.0 -0.1795 0.8314 0.0327
0.75 246.0 -0.9037 1.0372 0.0721
0.75 282.0 1.462 0.8253 0.1102
0.75 294.0 0.0766 0.8495 0.0305
0.85 90.0 -0.5526 0.6655 0.0501
0.85 102.0 0.0233 0.8226 0.03
0.85 114.0 1.5056 0.8698 0.1132
0.85 186.0 1.8168 0.8253 0.1351
0.85 198.0 -1.5958 0.7087 0.1195
0.85 210.0 -0.601 0.8012 0.0529
0.85 222.0 0.6253 0.6834 0.0544
0.85 234.0 -1.2261 0.648 0.0938
0.85 246.0 -0.021 0.8292 0.03
0.85 282.0 -0.7758 0.9471 0.0638
0.95 234.0 -0.6671 0.7843 0.0569
0.95 246.0 0.9902 0.8806 0.0778