CLAS Physics Database

Measurement E151M1729

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: 0.4181
Q2: 0.101 GeV2
W: 1295.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9476

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.05 306.0 0.5771 0.5618
0.15 66.0 0.3415 0.7319
0.15 306.0 0.4637 0.548
0.15 318.0 2.1102 2.1102
0.25 66.0 -0.0338 0.5218
0.25 78.0 0.2158 0.6794
0.25 294.0 0.0271 0.5974
0.25 306.0 -1.275 0.5713
0.35 66.0 -1.0545 0.413
0.35 78.0 0.7443 0.4891
0.35 282.0 -0.0766 0.7225
0.35 294.0 0.2652 0.5385
0.35 306.0 -0.8337 0.5735
0.45 66.0 0.3082 0.4045
0.45 78.0 -0.334 0.3952
0.45 90.0 1.309 0.6793
0.45 270.0 -0.7209 0.642
0.45 282.0 -0.5052 0.6365
0.45 294.0 -0.2851 0.6506
0.55 66.0 -0.6957 0.4924
0.55 78.0 1.0959 0.4082
0.55 90.0 -0.2524 0.6194
0.55 258.0 0.5681 0.6512
0.55 270.0 0.2527 0.4864
0.55 282.0 0.9496 0.4741
0.55 294.0 -0.1257 0.6581
0.65 78.0 -0.1753 0.6296
0.65 90.0 1.5269 0.6173
0.65 102.0 0.1079 0.7194
0.65 114.0 -0.4018 0.7156
0.65 246.0 -0.9029 0.6046
0.65 258.0 0.3313 0.4008
0.65 270.0 -0.8554 0.3949
0.65 282.0 -0.0955 0.4706
0.75 90.0 0.0486 0.5594
0.75 102.0 0.6002 0.4166
0.75 114.0 0.3536 0.4415
0.75 126.0 -1.0238 0.4889
0.75 138.0 -0.0704 0.6938
0.75 234.0 -0.1109 0.5318
0.75 246.0 0.1626 0.4049
0.75 258.0 0.7305 0.4126
0.75 270.0 -0.2468 0.3516
0.75 282.0 -0.5691 0.4035
0.85 90.0 -0.0444 0.4544
0.85 102.0 0.0796 0.3591
0.85 114.0 0.1596 0.3383
0.85 126.0 -0.733 0.3678
0.85 138.0 0.7532 0.4022
0.85 150.0 -0.545 0.4838
0.85 162.0 -0.3604 0.6156
0.85 234.0 0.2429 0.4168
0.85 246.0 0.3447 0.3897
0.85 258.0 0.3605 0.3568
0.85 270.0 -0.4799 0.3542
0.85 282.0 -0.0122 0.413
0.95 102.0 0.2986 0.5295
0.95 114.0 0.224 0.4139
0.95 126.0 0.3192 0.4087
0.95 138.0 -0.048 0.4929
0.95 150.0 0.4795 0.4414
0.95 162.0 0.2922 0.4808
0.95 174.0 -0.1599 0.5471
0.95 210.0 -1.0684 0.5409
0.95 222.0 0.6306 0.4784
0.95 234.0 1.3991 0.4722
0.95 246.0 0.5468 0.4629
0.95 258.0 -0.1296 0.462
0.95 270.0 -0.2025 0.4311