CLAS Physics Database

Measurement E151M98

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: 0.2457
Q2: 0.0844 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.761

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 42.0 -0.0552 0.7602 0.0307
0.45 270.0 -0.3526 0.7397 0.0501
0.55 246.0 0.294 0.627 0.0449
0.55 258.0 0.5368 0.5557 0.068
0.55 270.0 -0.6343 0.4503 0.0782
0.55 282.0 0.1822 0.689 0.0365
0.65 234.0 -0.3189 0.5155 0.0471
0.65 246.0 0.3518 0.4748 0.05
0.65 258.0 0.1351 0.4378 0.0337
0.65 270.0 0.2418 0.4433 0.0407
0.65 282.0 0.6496 0.6298 0.0798
0.75 126.0 1.4669 0.8261 0.1696
0.75 138.0 -0.008 0.7425 0.03
0.75 150.0 0.7062 0.6241 0.0858
0.75 162.0 -0.8084 0.6169 0.0967
0.75 174.0 -0.0724 0.7525 0.0311
0.75 198.0 2.6173 2.6173 0.2993
0.75 234.0 -0.0948 0.5271 0.0319
0.75 246.0 0.2309 0.4209 0.0399
0.75 258.0 -0.3457 0.3964 0.0495
0.75 270.0 0.2512 0.4642 0.0414
0.75 282.0 -0.6667 0.4187 0.0816
0.85 126.0 -0.2973 0.5193 0.0452
0.85 138.0 -0.6136 0.5202 0.076
0.85 150.0 0.3189 0.4581 0.0471
0.85 162.0 0.0649 0.6016 0.0309
0.85 174.0 0.4344 0.5703 0.0578
0.85 186.0 1.2846 0.6649 0.1492
0.85 222.0 0.1487 0.7325 0.0344
0.85 234.0 -0.1985 0.5977 0.0376
0.85 246.0 -0.0391 0.498 0.0303
0.85 258.0 -0.5773 0.4409 0.0722
0.85 270.0 -0.5278 0.3828 0.0671
0.85 282.0 -0.1253 0.3747 0.0332
0.95 102.0 0.1976 0.6587 0.0375
0.95 114.0 -0.4312 0.52 0.0575
0.95 126.0 -0.0229 0.5843 0.0301
0.95 138.0 0.7329 0.6256 0.0886
0.95 150.0 -1.2445 0.4582 0.1447
0.95 174.0 0.6894 0.5829 0.084
0.95 246.0 0.1831 0.5483 0.0365
0.95 258.0 0.0052 0.509 0.03
0.95 270.0 -0.4054 0.4293 0.055