CLAS Physics Database

Measurement E151M975

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: 0.9396
Q2: 0.4155 GeV2
W: 1295.0 GeV
Ebeam: 2.999 GeV
ε: 0.9435

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.05 66.0 0.2925 0.7531
0.15 66.0 -0.4526 0.6142
0.25 66.0 -0.6169 0.6337
0.45 282.0 0.5349 0.7237
0.55 66.0 -0.5897 0.5731
0.55 78.0 -0.3476 0.5601
0.55 90.0 -0.1655 0.7079
0.55 270.0 0.346 0.5733
0.55 282.0 0.0218 0.5466
0.65 66.0 0.3096 0.5393
0.65 78.0 -0.5576 0.4362
0.65 90.0 0.8963 0.6293
0.65 102.0 -0.5633 0.6072
0.65 258.0 -0.3618 0.5982
0.65 270.0 -0.324 0.4746
0.65 282.0 0.2321 0.5998
0.65 294.0 -0.3304 0.439
0.65 306.0 -0.6073 0.5476
0.75 66.0 0.6716 0.5439
0.75 78.0 -1.2055 0.3469
0.75 90.0 0.5928 0.5412
0.75 102.0 0.0219 0.535
0.75 258.0 0.0234 0.5039
0.75 270.0 0.3401 0.5033
0.75 282.0 -1.2094 0.3803
0.75 294.0 -0.0956 0.4568
0.75 306.0 1.0876 0.5875
0.75 318.0 1.2465 0.7935
0.85 54.0 -1.7365 0.3745
0.85 66.0 -0.1508 0.523
0.85 78.0 -0.6514 0.4124
0.85 90.0 1.0718 0.5706
0.85 102.0 -0.1934 0.52
0.85 114.0 0.2403 0.6097
0.85 234.0 -0.0793 0.6505
0.85 246.0 -0.2703 0.4823
0.85 258.0 0.3158 0.447
0.85 270.0 1.1393 0.5911
0.85 282.0 0.2533 0.4917
0.85 294.0 0.3916 0.5735
0.85 306.0 0.6445 0.5615
0.85 318.0 -0.6085 0.4707
0.85 330.0 0.6496 0.7041
0.95 54.0 -1.0644 0.4372
0.95 66.0 0.2951 0.6991
0.95 78.0 -0.3718 0.5846
0.95 90.0 0.5226 0.6422
0.95 102.0 1.0176 0.705
0.95 114.0 1.6221 0.7549
0.95 234.0 -1.0317 0.4373
0.95 246.0 0.2242 0.72
0.95 258.0 -0.4764 0.5631
0.95 270.0 0.8227 0.5486
0.95 282.0 1.0142 0.6429
0.95 294.0 0.2886 0.5691
0.95 306.0 -0.0173 0.585
0.95 318.0 -0.785 0.5054