CLAS Physics Database

Measurement E151M2383

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: 0.0463
Q2: 0.0844 GeV2
W: 1775.0 GeV
Ebeam: 2.999 GeV
ε: 0.8627

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.55 102.0 -2.0988 1.0032 0.1551
0.55 114.0 -0.0117 1.0109 0.03
0.55 126.0 -1.8804 0.9465 0.1396
0.55 198.0 -0.4511 1.1066 0.0444
0.55 258.0 -0.2703 1.071 0.0358
0.55 270.0 -1.3692 0.9379 0.1037
0.65 114.0 0.2305 1.0569 0.0343
0.65 126.0 0.0407 0.8652 0.0301
0.65 138.0 -1.8796 1.036 0.1396
0.65 174.0 -0.3806 1.1424 0.0408
0.65 186.0 -0.422 1.0853 0.0429
0.65 198.0 -1.6948 0.9887 0.1265
0.65 210.0 1.4435 0.92 0.1089
0.65 270.0 2.4054 0.7815 0.177
0.65 282.0 -0.2813 0.9057 0.0363
0.75 90.0 0.6672 1.1008 0.0569
0.75 102.0 0.0766 1.0622 0.0305
0.75 114.0 2.5609 0.6361 0.1881
0.75 126.0 -0.702 1.1203 0.0591
0.75 186.0 -0.0852 0.9031 0.0306
0.75 198.0 -1.0443 0.7891 0.0814
0.75 210.0 -1.8976 0.9672 0.1408
0.75 222.0 -0.2156 0.8823 0.0338
0.75 234.0 1.514 0.8676 0.1138
0.75 270.0 0.6518 0.7728 0.056
0.75 282.0 -0.6519 0.8086 0.056
0.85 90.0 -1.3744 1.1249 0.1041
0.85 102.0 -0.437 0.6949 0.0436
0.85 114.0 -0.4043 0.696 0.0419
0.85 126.0 -1.116 0.9598 0.0863
0.85 138.0 0.6601 1.0635 0.0565
0.85 174.0 0.3269 0.9729 0.0382
0.85 186.0 0.2642 0.7464 0.0356
0.85 198.0 -0.8937 0.7924 0.0714
0.85 210.0 -1.442 0.7224 0.1088
0.85 222.0 -0.9616 0.7287 0.0759
0.85 234.0 -0.3655 0.9597 0.04
0.85 270.0 0.3945 0.8618 0.0415
0.85 282.0 0.3344 1.0061 0.0386
0.95 198.0 0.5183 1.0299 0.0481
0.95 210.0 0.1495 0.9008 0.0319