CLAS Physics Database

Measurement E151M782

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: 0.3928
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.939

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 -0.8009 0.9401
0.25 294.0 -1.7283 0.7894
0.25 306.0 -0.2789 0.4708
0.35 66.0 -0.8213 0.3309
0.45 66.0 0.616 1.1368
0.45 78.0 -0.1848 1.1578
0.45 294.0 1.1388 1.0977
0.65 90.0 -0.1568 1.2844
0.65 102.0 0.79 1.0719
0.65 258.0 2.344 1.0754
0.65 270.0 0.3345 0.8791
0.75 90.0 1.0361 1.2061
0.75 102.0 -0.9345 0.937
0.75 114.0 0.6258 1.1178
0.75 126.0 1.3697 1.2004
0.75 138.0 -1.2889 1.308
0.75 234.0 0.6751 1.2094
0.75 246.0 -1.6174 0.7285
0.75 258.0 -1.2396 0.8321
0.75 270.0 -1.8689 0.7708
0.75 282.0 1.0869 1.1635
0.85 90.0 -1.5521 1.1942
0.85 102.0 0.5365 1.0955
0.85 114.0 0.7859 1.102
0.85 126.0 -0.7757 1.1858
0.85 138.0 -0.6043 1.2555
0.85 234.0 -0.0756 1.2455
0.85 246.0 -1.6667 0.7325
0.85 258.0 -0.4314 0.9399
0.85 270.0 2.0136 0.9948
0.85 282.0 1.9938 1.0222
0.85 294.0 1.2394 1.2084
0.95 102.0 -4.6893 3.9001
0.95 114.0 -4.9271 3.7701
0.95 234.0 1.1561 3.5868
0.95 246.0 7.5948 3.9162
0.95 258.0 0.396 3.047
0.95 270.0 1.376 3.0962
0.95 282.0 -3.3169 2.3864
0.35 78.0 0.435 0.5346
0.35 294.0 -0.8806 0.4093
0.35 306.0 -0.3298 0.4678
0.45 66.0 -0.1866 0.5956
0.45 294.0 -0.3372 0.5349
0.65 102.0 0.7581 0.5602
0.65 114.0 -0.2518 0.6309
0.65 258.0 0.5303 0.6447
0.65 270.0 0.5631 0.5677
0.75 90.0 0.9659 0.55
0.75 102.0 0.3726 0.4277
0.75 114.0 -0.1352 0.5058
0.75 126.0 0.367 0.683
0.75 234.0 -0.8687 0.5512
0.75 246.0 -0.003 0.591
0.75 258.0 0.2863 0.4839
0.75 270.0 -0.5871 0.3924
0.75 282.0 -0.9368 0.4193
0.85 90.0 -0.0251 0.6864
0.85 102.0 0.0153 0.4553
0.85 114.0 0.4919 0.5268
0.85 126.0 0.5538 0.5538
0.85 150.0 -1.1045 0.6595
0.85 222.0 1.3995 0.7817
0.85 234.0 0.2528 0.6803
0.85 246.0 -0.3429 0.5888
0.85 258.0 -0.1399 0.5695
0.85 270.0 0.5577 0.5264
0.85 282.0 -0.1792 0.4564
0.85 294.0 0.641 0.6536
0.95 114.0 -0.2779 0.9111
0.95 234.0 0.1644 0.8756
0.95 246.0 1.961 1.0651
0.95 258.0 0.0816 0.9696
0.95 270.0 0.2545 0.7461
0.95 282.0 -0.5627 0.7301