CLAS Physics Database

Measurement E151M2357

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: 0.0574
Q2: 0.0844 GeV2
W: 1715.0 GeV
Ebeam: 2.999 GeV
ε: 0.8885

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 -2.5492 0.817
0.35 66.0 1.8618 0.8144
0.35 78.0 -1.4562 0.791
0.35 126.0 -0.4651 0.9449
0.35 270.0 0.3225 0.824
0.35 282.0 -1.4183 0.7067
0.45 66.0 -0.6644 1.1322
0.45 114.0 0.9418 1.0278
0.45 126.0 -0.6964 0.9844
0.45 138.0 -1.8109 1.1761
0.45 258.0 0.9058 0.8272
0.45 270.0 -0.4119 0.6757
0.55 66.0 1.2001 0.8785
0.55 78.0 0.738 0.9521
0.55 114.0 -0.4697 1.0115
0.55 126.0 1.6676 0.7386
0.55 138.0 -0.6542 0.9232
0.55 198.0 -0.9541 0.8908
0.55 210.0 0.3256 0.9964
0.55 222.0 -0.8602 0.9434
0.55 258.0 0.9345 0.899
0.55 270.0 0.1063 0.7261
0.55 282.0 -1.3605 0.9225
0.65 54.0 -0.2242 0.7952
0.65 66.0 -0.8308 0.8882
0.65 102.0 0.7461 0.8516
0.65 114.0 0.3961 0.6267
0.65 126.0 -0.1856 0.6262
0.65 138.0 -0.1974 0.8091
0.65 174.0 -1.1857 1.0012
0.65 186.0 0.4008 0.8769
0.65 198.0 -1.1235 0.7213
0.65 210.0 0.542 0.6532
0.65 222.0 -0.8883 0.6676
0.65 246.0 -1.3729 0.8751
0.65 282.0 -0.8508 0.6348
0.65 294.0 1.7883 0.69
0.75 90.0 -0.328 0.8523
0.75 102.0 -0.3438 0.7533
0.75 114.0 1.0357 0.8836
0.75 126.0 -1.7487 0.8335
0.75 138.0 -0.5483 0.9446
0.75 174.0 -0.6891 0.9071
0.75 186.0 -1.3873 0.7362
0.75 198.0 -0.4562 0.7385
0.75 210.0 -0.7458 0.6113
0.75 222.0 -0.9699 0.6848
0.75 234.0 -0.5529 0.7308
0.75 270.0 -0.0644 0.6596
0.75 282.0 0.7003 0.5763
0.75 294.0 0.8261 0.7578
0.85 90.0 0.3474 0.6328
0.85 102.0 -0.9739 0.5134
0.85 114.0 0.6721 0.6279
0.85 126.0 -0.5234 0.7981
0.85 162.0 -1.0602 0.9489
0.85 174.0 -0.797 0.7295
0.85 186.0 0.5854 0.69
0.85 198.0 0.4213 0.5677
0.85 210.0 1.0662 0.5967
0.85 222.0 -0.2509 0.5809
0.85 234.0 0.03 0.8566
0.85 258.0 0.0078 0.9333
0.85 270.0 -0.7771 0.8888
0.85 282.0 0.3081 0.732
0.95 114.0 -1.1226 0.8454
0.95 186.0 1.4273 0.7782
0.95 198.0 0.5268 0.8004
0.95 210.0 -0.3376 0.686
0.95 222.0 -0.5845 0.6969
0.95 234.0 1.1394 0.9331