CLAS Physics Database

Measurement E151M966

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: 1.1084
Q2: 0.496 GeV2
W: 1265.0 GeV
Ebeam: 2.999 GeV
ε: 0.938

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.05 66.0 0.475 0.7074 0.0459
0.15 66.0 -0.5785 0.5441 0.0518
0.35 282.0 -1.0822 0.4818 0.0846
0.35 294.0 0.2587 0.7339 0.0355
0.45 294.0 1.0489 0.6825 0.0823
0.55 66.0 0.3331 0.7609 0.0386
0.55 78.0 0.4526 0.7169 0.0447
0.55 90.0 -0.6272 0.6292 0.0548
0.55 270.0 -1.1049 0.4224 0.0862
0.55 282.0 1.8991 0.6418 0.142
0.55 294.0 -0.1909 0.5792 0.0331
0.65 66.0 -0.5076 0.4833 0.0477
0.65 78.0 -0.0379 0.5864 0.0301
0.65 102.0 0.2132 0.7894 0.0338
0.65 270.0 0.1845 0.6111 0.0329
0.65 282.0 0.5304 0.5977 0.049
0.65 294.0 0.482 0.5644 0.0463
0.75 66.0 -0.589 0.4966 0.0525
0.75 78.0 -0.2929 0.5131 0.0369
0.75 90.0 0.5326 0.7196 0.0491
0.75 102.0 -0.5987 0.5819 0.0531
0.75 258.0 -0.2726 0.5918 0.036
0.75 270.0 -0.2526 0.5565 0.0352
0.75 282.0 0.6727 0.5796 0.0576
0.75 294.0 -0.0738 0.5663 0.0305
0.75 306.0 0.5393 0.6251 0.0495
0.85 54.0 0.1225 0.6245 0.0313
0.85 66.0 1.026 0.6528 0.0808
0.85 78.0 -0.0859 0.5846 0.0306
0.85 90.0 -0.2265 0.5297 0.0343
0.85 102.0 0.579 0.6908 0.0519
0.85 246.0 0.5955 0.7367 0.0529
0.85 258.0 0.6912 0.7245 0.0588
0.85 270.0 -0.0258 0.4898 0.0301
0.85 282.0 1.6946 0.6026 0.1274
0.85 294.0 0.5171 0.6559 0.0483
0.85 318.0 0.1377 0.5396 0.0316
0.95 114.0 0.1267 0.7254 0.0314
0.95 270.0 -0.1639 0.6087 0.0323
0.95 282.0 -1.0145 0.4507 0.08
0.95 294.0 -0.1474 0.5096 0.0319