CLAS Physics Database

Measurement E151M766

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: 0.2674
Q2: 0.0707 GeV2
W: 1325.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9605

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 306.0 0.1016 0.4264
0.25 66.0 0.6183 0.3706
0.25 78.0 0.1711 0.4578
0.25 294.0 0.801 0.4452
0.25 306.0 -0.5325 0.3574
0.35 66.0 0.7952 0.3399
0.35 78.0 0.1311 0.3929
0.35 282.0 -0.6822 0.3247
0.35 294.0 -0.4198 0.3132
0.35 306.0 -0.0481 0.3262
0.45 66.0 0.092 0.3273
0.45 78.0 0.5966 0.3144
0.45 90.0 -0.0202 0.4651
0.45 282.0 0.1625 0.3668
0.45 294.0 -0.653 0.2954
0.55 66.0 0.8249 0.391
0.55 78.0 0.0906 0.326
0.55 90.0 -0.64 0.3972
0.55 102.0 0.4083 0.564
0.55 258.0 0.4852 1.2334
0.55 270.0 -0.3434 0.4585
0.55 282.0 0.1455 0.4312
0.55 294.0 0.3284 0.4732
0.65 78.0 -0.14 0.4132
0.65 90.0 -0.1846 0.4889
0.65 102.0 0.3369 0.4336
0.65 114.0 0.1755 0.438
0.65 126.0 0.5944 0.5385
0.65 234.0 0.1713 0.5013
0.65 246.0 -0.3322 0.4325
0.65 258.0 -0.7216 0.3366
0.65 270.0 0.5978 0.3942
0.65 282.0 0.5644 0.4012
0.75 90.0 0.8234 0.4751
0.75 102.0 -0.2926 0.3643
0.75 114.0 -0.182 0.3525
0.75 126.0 0.3332 0.3706
0.75 138.0 -0.1848 0.4289
0.75 150.0 -0.43 1.6033
0.75 222.0 0.6684 0.6111
0.75 234.0 0.0392 0.3564
0.75 246.0 -0.1388 0.3131
0.75 258.0 -0.3502 0.2795
0.75 270.0 0.1347 0.3347
0.75 282.0 -0.0134 0.3895
0.85 102.0 0.5025 0.422
0.85 114.0 0.0088 0.3715
0.85 126.0 -0.287 0.4012
0.85 138.0 0.124 0.4081
0.85 150.0 0.6461 0.4429
0.85 162.0 0.6958 0.6089
0.85 174.0 -0.2218 0.7161
0.85 210.0 0.4062 0.5697
0.85 222.0 -0.0709 0.412
0.85 234.0 0.262 0.3801
0.85 246.0 0.1911 0.3418
0.85 258.0 0.3747 0.3406
0.85 270.0 0.1122 0.3779
0.85 282.0 0.2345 0.5139
0.95 114.0 -0.6631 0.9347
0.95 126.0 -0.4647 0.8367
0.95 138.0 -0.7705 0.777
0.95 150.0 -0.0921 0.9548
0.95 162.0 1.4118 1.1816
0.95 174.0 0.1692 1.2082
0.95 186.0 13.0704 4.7003
0.95 198.0 -0.7787 0.8346
0.95 210.0 0.7362 4.4957
0.95 222.0 0.0605 0.7759
0.95 234.0 1.081 0.878
0.95 246.0 -0.8219 0.6913
0.95 258.0 0.6492 0.7984
0.95 270.0 2.791 4.1585