CLAS Physics Database

Measurement E151M585

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: 0.2141
Q2: 0.1205 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8902

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 306.0 0.4833 0.7103
0.25 54.0 1.1492 0.8003
0.25 66.0 -0.6555 0.6582
0.25 78.0 0.365 0.6678
0.25 282.0 -0.2797 0.6296
0.25 294.0 -0.0066 0.5395
0.35 66.0 0.9116 0.5999
0.35 78.0 0.4882 0.6135
0.35 270.0 -0.0216 0.7481
0.35 282.0 -0.9011 0.5304
0.35 294.0 -0.2753 0.5012
0.35 306.0 -0.9597 0.5603
0.45 66.0 -0.0577 0.6015
0.45 78.0 -0.0051 0.5588
0.45 90.0 -0.2778 0.7199
0.45 270.0 -0.8567 0.5656
0.45 282.0 -0.9955 0.4518
0.45 294.0 1.0832 0.5739
0.55 66.0 0.5476 0.7403
0.55 78.0 -0.3758 0.603
0.55 114.0 0.3675 0.6733
0.55 126.0 1.0864 0.8256
0.55 258.0 -0.2392 0.6714
0.55 270.0 -0.3435 0.5434
0.55 282.0 -0.5709 0.4545
0.55 294.0 -0.1243 0.614
0.55 306.0 -0.6967 0.57
0.65 66.0 0.6197 0.7272
0.65 78.0 0.4385 0.8181
0.65 90.0 -0.7614 0.5634
0.65 102.0 1.5934 0.6213
0.65 114.0 -0.4684 0.4467
0.65 126.0 -0.5039 0.4959
0.65 138.0 0.9115 0.6922
0.65 210.0 0.7818 0.7574
0.65 222.0 2.2065 2.2065
0.65 234.0 -0.1018 0.5665
0.65 246.0 0.9984 0.5595
0.65 258.0 0.4617 0.6438
0.65 270.0 -0.5016 0.6237
0.65 282.0 -0.3003 0.6346
0.65 294.0 -0.0956 0.6154
0.65 306.0 -0.718 0.6202
0.75 90.0 -0.0671 0.622
0.75 102.0 0.5088 0.505
0.75 114.0 0.4322 0.4911
0.75 126.0 -0.3519 0.4897
0.75 138.0 -0.3476 0.5052
0.75 210.0 1.4556 0.6114
0.75 222.0 0.1775 0.4729
0.75 234.0 0.5232 0.4959
0.75 246.0 -0.2441 0.4746
0.75 258.0 -0.2677 0.4549
0.85 78.0 -0.6661 0.6033
0.85 102.0 0.4299 0.6073
0.85 114.0 -0.3131 0.5557
0.85 126.0 -0.8176 0.4372
0.85 138.0 -0.1594 0.6297
0.85 150.0 -1.6121 0.5011
0.85 198.0 -0.8173 0.5286
0.85 210.0 0.4038 0.6209
0.85 222.0 0.4351 0.5518
0.85 234.0 -0.2596 0.4297
0.85 246.0 -0.1141 0.4183
0.85 258.0 0.149 0.4929
0.85 270.0 0.25 0.4698
0.85 282.0 -0.2818 0.6036
0.95 90.0 0.864 0.6032
0.95 102.0 -0.8542 0.5114
0.95 210.0 -0.5818 0.5316
0.95 222.0 -0.3474 0.6186
0.95 234.0 -0.3008 0.4971
0.95 246.0 -0.1398 0.4677
0.95 258.0 0.5138 0.5686
0.95 270.0 0.7934 0.5343
0.95 282.0 1.6506 0.6558