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Measurement E151M24

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: 0.1064
Q2: 0.0143 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.9145

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 0.1535 0.6121
0.25 54.0 0.1966 0.6158
0.35 42.0 -0.1995 0.4168
0.35 54.0 -0.183 0.4779
0.35 66.0 0.0256 0.6012
0.45 42.0 0.3475 0.4895
0.45 54.0 -0.0522 0.4066
0.45 258.0 -0.3158 0.4486
0.45 270.0 -0.1594 0.4161
0.55 54.0 0.3498 0.5359
0.55 246.0 -0.0173 0.3377
0.55 258.0 -0.2083 0.3049
0.55 270.0 0.2058 0.3103
0.55 282.0 0.7069 0.44
0.65 162.0 -0.8402 0.4292
0.65 174.0 0.3462 0.5564
0.65 186.0 0.3509 0.5502
0.65 198.0 0.0538 0.5241
0.65 210.0 -0.8515 0.4769
0.65 222.0 -0.0893 0.4636
0.65 234.0 0.3731 0.3967
0.65 246.0 -0.2307 0.2767
0.65 258.0 -0.2478 0.2365
0.65 270.0 -0.1073 0.2805
0.65 282.0 0.8494 0.4191
0.75 138.0 -0.1794 0.5439
0.75 150.0 0.6382 0.5264
0.75 162.0 -0.2107 0.4103
0.75 174.0 -0.0657 0.3377
0.75 186.0 1.0354 0.403
0.75 198.0 -0.1771 0.4489
0.75 210.0 -0.0983 0.4391
0.75 222.0 -0.209 0.4238
0.75 234.0 0.0228 0.2994
0.75 246.0 -0.3427 0.2687
0.75 258.0 0.2529 0.2854
0.75 270.0 -0.4914 0.2998
0.85 150.0 -0.0118 0.4306
0.85 162.0 -0.3639 0.4584
0.85 174.0 0.1004 0.3755
0.85 186.0 0.3247 0.3676
0.85 210.0 -0.8333 0.4047
0.85 222.0 0.9055 0.502
0.85 234.0 -0.0763 0.4467
0.85 246.0 -0.0525 0.339
0.85 258.0 0.4997 0.4792
Created in SINP MSU, CLAS Collaboration