CLAS Physics Database

Measurement E151M1514

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: ALL
εL: 0.0564
Q2: 0.0171 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8844

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.35 42.0 1.186 0.811
0.45 30.0 2.3441 2.3441
0.55 30.0 -0.7779 0.8191
0.55 42.0 -0.8451 0.7615
0.55 222.0 1.6012 0.6489
0.55 234.0 -0.3963 0.6919
0.55 246.0 -0.1258 0.6249
0.55 258.0 0.5985 0.6077
0.65 126.0 0.0198 0.6806
0.65 138.0 0.1915 0.593
0.65 150.0 -0.4961 0.7594
0.65 162.0 0.2864 0.6739
0.65 210.0 0.1121 0.743
0.65 222.0 -0.5038 0.488
0.65 234.0 0.6767 0.503
0.65 246.0 -0.522 0.4715
0.65 258.0 1.5092 0.5437
0.75 126.0 0.5658 0.7591
0.75 138.0 1.1251 0.5375
0.75 150.0 0.2342 0.6969
0.75 162.0 -0.2976 0.7029
0.75 198.0 1.6232 0.7166
0.75 210.0 -0.3508 0.7299
0.75 222.0 -0.0865 0.544
0.75 234.0 0.0997 0.4866
0.75 246.0 0.4394 0.4541
0.75 258.0 1.0071 0.5308
0.85 114.0 0.3516 0.743
0.85 162.0 -0.4885 0.8137
0.85 210.0 -0.2878 0.7128
0.85 222.0 0.8406 0.5508
0.85 234.0 0.0348 0.5214
0.85 246.0 -0.7262 0.5577
0.85 258.0 -0.1436 0.5569
0.25 42.0 -1.2677 1.1437
0.35 42.0 -0.2182 0.8275
0.45 30.0 -1.9933 0.5112
0.45 42.0 -0.3266 1.0502
0.55 30.0 -0.0237 1.191
0.55 126.0 -1.2483 1.0776
0.55 138.0 1.1233 0.9521
0.55 222.0 0.0195 0.8862
0.55 234.0 -1.0041 0.7753
0.55 246.0 -0.2318 0.7576
0.65 126.0 -1.11 1.0408
0.65 138.0 -0.5014 0.8684
0.65 150.0 2.0695 0.4979
0.65 162.0 -0.2562 1.1058
0.65 222.0 -1.3605 0.5586
0.65 234.0 0.2144 0.6269
0.65 246.0 1.9527 0.4441
0.65 258.0 -1.7747 0.5156
0.75 126.0 0.7804 1.0131
0.75 138.0 -0.1486 0.9737
0.75 150.0 0.2018 0.8415
0.75 162.0 0.709 0.9515
0.75 210.0 -1.7115 0.7358
0.75 222.0 -0.117 0.7653
0.75 234.0 -1.2858 0.5402
0.75 246.0 -0.0458 0.6065
0.75 258.0 -0.4449 0.8033
0.85 162.0 -0.7767 0.9108
0.85 210.0 -0.4204 0.8409
0.85 222.0 0.1357 0.6324
0.85 234.0 -0.3607 0.6484
0.85 246.0 -0.4231 0.5705
0.85 258.0 -0.1458 0.7356
0.85 270.0 -0.7042 1.0945
0.95 222.0 0.2034 0.7858
0.95 234.0 0.0547 0.8261
0.95 246.0 -0.6103 0.9123