CLAS Physics Database

Measurement E151M1533

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: 0.0394
Q2: 0.0143 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8632

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 42.0 1.0138 0.6544 0.0778
0.55 42.0 -0.788 0.7582 0.056
0.55 126.0 -0.6407 0.8352 0.0487
0.55 222.0 0.1387 0.8357 0.0311
0.55 234.0 -0.8343 0.7392 0.0583
0.55 246.0 0.8499 0.7298 0.0591
0.65 42.0 1.0313 0.8569 0.0687
0.65 126.0 -1.0505 0.9064 0.0697
0.65 138.0 -0.4581 0.7594 0.0407
0.65 150.0 -0.0108 0.7535 0.03
0.65 162.0 0.2405 0.8966 0.0333
0.65 210.0 -0.8747 0.8051 0.0604
0.65 222.0 0.663 0.7397 0.0498
0.65 234.0 -0.1375 0.5512 0.0311
0.65 246.0 0.3211 0.6649 0.0356
0.75 138.0 -0.3157 0.8388 0.0355
0.75 150.0 -1.1564 0.745 0.0755
0.75 210.0 -0.4167 0.6546 0.039
0.75 222.0 -1.4938 0.587 0.0944
0.75 234.0 0.0116 0.5898 0.03
0.75 246.0 -0.4143 0.6719 0.0389
0.75 258.0 0.1988 0.6462 0.0323
0.85 210.0 -1.3178 0.7864 0.0845
0.85 222.0 -0.9921 0.6226 0.0666
0.85 234.0 -0.7734 0.5584 0.0552
0.85 246.0 -0.7447 0.6334 0.0538
0.45 42.0 -1.416 0.835 0.0876
0.55 42.0 0.1366 0.8791 0.031
0.55 222.0 -0.4542 0.8905 0.04
0.55 234.0 2.1219 0.5526 0.127
0.55 246.0 -1.0293 0.8 0.067
0.65 126.0 0.4218 1.1347 0.0387
0.65 138.0 0.3027 1.0525 0.0348
0.65 210.0 -0.6089 0.9789 0.0464
0.65 222.0 1.1103 0.8332 0.0712
0.65 234.0 -1.0931 0.604 0.0703
0.65 246.0 -0.3122 0.8535 0.0351
0.75 138.0 -0.3793 1.1857 0.0372
0.75 150.0 -0.1683 1.0873 0.0316
0.75 210.0 -0.6246 1.1149 0.0471
0.75 222.0 -0.6445 0.9424 0.048
0.75 234.0 1.1893 0.7127 0.0754
0.75 246.0 0.9402 0.7025 0.0624
0.75 258.0 1.3312 0.8774 0.083
0.85 210.0 0.2146 0.9902 0.0325
0.85 222.0 1.7882 0.5225 0.1082
0.85 234.0 -0.8806 0.6934 0.0593
0.85 246.0 -0.8515 0.7753 0.0579