CLAS Physics Database

Measurement E151M411

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: AUL
εL: 0.0424
Q2: 0.0415 GeV2
W: 1535.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6677

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 138.0 -1.2036 0.5679 0.0803
0.55 210.0 0.5241 0.7166 0.0442
0.55 222.0 0.8433 0.647 0.0602
0.55 234.0 1.0138 0.6224 0.0696
0.55 246.0 1.2036 0.5438 0.0803
0.65 138.0 -0.8396 0.5916 0.06
0.65 150.0 -0.6076 0.5951 0.0481
0.65 162.0 -1.0004 0.655 0.0688
0.65 222.0 -0.2844 0.5332 0.0348
0.65 234.0 -0.2387 0.5376 0.0334
0.65 246.0 1.048 0.666 0.0715
0.75 222.0 2.0519 0.4788 0.1305
0.75 234.0 -0.4797 0.5544 0.0422
0.75 246.0 -1.0809 0.5432 0.0733
0.85 126.0 -0.493 0.6898 0.0428
0.85 210.0 -0.1744 0.6865 0.0319
0.85 222.0 0.1038 0.6209 0.0307
0.85 234.0 1.2071 0.486 0.0805
0.85 246.0 0.4356 0.5083 0.0403
0.45 30.0 2.0265 1.3716 0.1257
0.45 234.0 3.7071 3.7071 0.2252
0.55 126.0 -1.5355 0.5582 0.0972
0.55 138.0 -0.8833 0.7128 0.0611
0.55 210.0 2.2368 1.2179 0.138
0.55 222.0 0.4479 1.0131 0.0403
0.55 234.0 -0.873 0.634 0.0605
0.55 246.0 -0.1481 0.7639 0.0313
0.65 150.0 -1.3831 0.623 0.0885
0.65 210.0 0.8361 0.9997 0.0586
0.65 222.0 0.176 1.0049 0.0318
0.65 234.0 0.1238 0.861 0.0309
0.65 246.0 -0.041 0.9635 0.0301
0.75 162.0 -0.8389 0.7495 0.0588
0.75 210.0 -0.9948 0.6849 0.067
0.75 222.0 0.2149 0.9969 0.0327
0.75 234.0 -0.386 0.6704 0.038
0.75 246.0 1.2433 1.0834 0.0807
0.85 210.0 -0.748 0.6316 0.0541
0.85 222.0 0.5734 0.8285 0.0457
0.85 234.0 -1.3738 0.4159 0.088
0.85 246.0 0.1862 0.7266 0.032
0.85 258.0 0.4152 1.1299 0.0391
0.95 234.0 0.4108 1.0052 0.0389
0.95 246.0 -0.022 0.8179 0.03