CLAS Physics Database

Measurement E151M1962

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: 0.3345
Q2: 0.0593 GeV2
W: 1265.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9729

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 66.0 -2.0647 2.0761 0.1921
0.45 78.0 3.7989 1.4442 0.3504
0.55 78.0 1.7063 1.6461 0.1597
0.55 90.0 2.945 2.0549 0.2723
0.55 270.0 1.5071 1.9289 0.1417
0.65 246.0 4.0006 1.7715 0.3689
0.65 258.0 -4.2002 1.2831 0.3872
0.65 270.0 -0.1474 1.3524 0.0329
0.75 114.0 1.4037 2.4838 0.1324
0.75 138.0 0.8812 2.4604 0.0864
0.75 234.0 0.5388 1.8899 0.0579
0.75 246.0 -1.3165 1.8289 0.1247
0.75 258.0 -0.9177 1.4249 0.0895
0.75 270.0 2.1675 1.4128 0.2014
0.85 114.0 2.0315 2.3609 0.1891
0.85 126.0 4.0966 2.2534 0.3777
0.85 138.0 1.0105 2.096 0.0976
0.85 150.0 -6.9917 1.9714 0.6433
0.85 162.0 0.7273 2.7329 0.0733
0.85 234.0 -0.512 2.1418 0.0558
0.85 246.0 3.2484 1.706 0.3
0.85 258.0 1.2165 1.5004 0.1158
0.85 270.0 1.4711 2.3653 0.1385
0.95 126.0 4.8422 7.5224 0.446
0.95 138.0 7.6354 0.9436 -0.0185
0.95 174.0 1.4314 8.1247 0.1349
0.25 294.0 -0.2963 0.5541 0.0357
0.25 306.0 -0.0243 0.5122 0.03
0.35 66.0 0.1217 0.524 0.031
0.35 78.0 -0.4415 0.517 0.0415
0.35 294.0 0.0873 0.4748 0.0305
0.35 306.0 0.5907 0.5628 0.0487
0.45 66.0 -0.2466 0.5554 0.034
0.45 78.0 -0.485 0.355 0.0435
0.45 90.0 0.3106 0.5771 0.0362
0.55 78.0 0.0378 0.3694 0.0301
0.55 90.0 0.7189 0.4844 0.0556
0.55 270.0 0.6469 0.4652 0.0517
0.65 78.0 -0.4876 0.5907 0.0437
0.65 90.0 -0.9083 0.5726 0.0663
0.65 258.0 -0.1272 0.4428 0.0311
0.65 270.0 0.3775 0.4087 0.0388
0.65 282.0 0.8577 0.4379 0.0634
0.75 102.0 -0.4296 0.5339 0.041
0.75 114.0 -1.0487 0.5105 0.0745
0.75 126.0 -0.6307 0.5512 0.0508
0.75 234.0 0.721 0.5685 0.0557
0.75 246.0 0.327 0.4295 0.0368
0.75 258.0 -0.4297 0.3668 0.041
0.75 270.0 -0.0578 0.4308 0.0302
0.85 102.0 0.4078 0.5862 0.04
0.85 114.0 0.1661 0.4902 0.0319
0.85 126.0 -0.4317 0.5021 0.0411
0.85 138.0 -0.7167 0.5306 0.0554
0.85 150.0 -0.3962 0.5653 0.0396
0.85 162.0 -0.4618 0.6067 0.0425
0.85 174.0 -0.1495 0.7102 0.0315
0.85 234.0 0.005 0.5498 0.03
0.85 246.0 0.6228 0.4638 0.0504
0.85 258.0 -0.7447 0.4376 0.057
0.85 270.0 -0.2305 0.5317 0.0335
0.95 114.0 0.9568 1.1078 0.0691
0.95 138.0 2.1031 0.9014 0.1401
0.95 150.0 2.8941 0.8723 0.1906
0.95 162.0 0.8016 1.144 0.0602
0.95 174.0 0.779 1.1521 0.0589