CLAS Physics Database

Measurement E151M1784

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: 0.0851
Q2: 0.0348 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9292

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 78.0 0.134 0.8363
0.25 294.0 -1.0728 0.669
0.25 306.0 0.2042 0.7938
0.35 66.0 1.032 0.5516
0.35 78.0 0.017 0.6852
0.35 90.0 -0.829 0.8461
0.35 282.0 -0.1735 0.5766
0.35 294.0 -0.2533 0.5224
0.45 66.0 1.5029 0.5548
0.45 78.0 -0.2522 0.4822
0.45 90.0 0.9608 0.5599
0.45 270.0 -0.8486 0.7026
0.45 282.0 -0.31 0.6015
0.45 294.0 0.0806 0.4791
0.45 306.0 0.9578 0.7524
0.55 78.0 0.9063 0.5042
0.55 90.0 0.2218 0.5583
0.55 114.0 -1.0403 0.6972
0.55 126.0 0.2402 0.7044
0.55 222.0 0.3278 0.7684
0.55 234.0 1.6744 0.7018
0.55 246.0 -0.518 0.7054
0.55 258.0 -0.3223 0.6568
0.55 270.0 0.715 0.5377
0.55 282.0 0.6572 0.5082
0.55 294.0 -0.5892 0.575
0.65 66.0 -0.0258 0.6999
0.65 78.0 0.0821 0.5869
0.65 90.0 -0.6502 0.6967
0.65 102.0 1.4076 0.7766
0.65 114.0 -0.752 0.5419
0.65 126.0 0.3692 0.5677
0.65 138.0 -1.4073 0.5533
0.65 150.0 0.4921 0.6665
0.65 210.0 0.1387 0.6776
0.65 222.0 0.9231 0.5569
0.65 234.0 -1.0598 0.46
0.65 246.0 0.4656 0.5284
0.65 258.0 0.4249 0.6011
0.65 270.0 0.0358 0.696
0.65 282.0 0.8321 0.6177
0.65 294.0 -0.5522 0.6806
0.75 78.0 0.3155 0.7663
0.75 102.0 -2.3722 2.3722
0.75 114.0 1.0093 0.6575
0.75 126.0 0.0637 0.5447
0.75 138.0 -0.6484 0.6023
0.75 150.0 0.0845 0.6818
0.75 162.0 0.919 0.8888
0.75 210.0 -0.3868 0.644
0.75 222.0 0.6242 0.462
0.75 234.0 0.0681 0.4373
0.75 246.0 -0.7573 0.4463
0.75 258.0 -0.6195 0.6349
0.75 270.0 1.6275 0.858
0.75 282.0 -0.9632 0.7434
0.85 114.0 0.4649 0.8677
0.85 126.0 -0.3279 0.7689
0.85 138.0 -0.2431 0.7518
0.85 150.0 0.7547 0.7844
0.85 210.0 -0.0955 0.6353
0.85 222.0 -0.7982 0.4843
0.85 234.0 -0.375 0.4551
0.85 246.0 -0.5287 0.4796
0.85 258.0 -0.5915 0.5844
0.95 222.0 0.8487 0.7185
0.95 234.0 -0.0829 0.7211