CLAS Physics Database

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 syst. uncert.
0.25 42.0 0.1535 0.6121 0.0347
0.25 54.0 0.1966 0.6158 0.0374
0.35 42.0 -0.1995 0.4168 0.0376
0.35 54.0 -0.183 0.4779 0.0365
0.35 66.0 0.0256 0.6012 0.0301
0.45 42.0 0.3475 0.4895 0.0496
0.45 54.0 -0.0522 0.4066 0.0306
0.45 258.0 -0.3158 0.4486 0.0468
0.45 270.0 -0.1594 0.4161 0.0351
0.55 54.0 0.3498 0.5359 0.0498
0.55 246.0 -0.0173 0.3377 0.0301
0.55 258.0 -0.2083 0.3049 0.0382
0.55 270.0 0.2058 0.3103 0.0381
0.55 282.0 0.7069 0.44 0.0858
0.65 162.0 -0.8402 0.4292 0.1002
0.65 174.0 0.3462 0.5564 0.0495
0.65 186.0 0.3509 0.5502 0.0499
0.65 198.0 0.0538 0.5241 0.0306
0.65 210.0 -0.8515 0.4769 0.1014
0.65 222.0 -0.0893 0.4636 0.0317
0.65 234.0 0.3731 0.3967 0.052
0.65 246.0 -0.2307 0.2767 0.0399
0.65 258.0 -0.2478 0.2365 0.0412
0.65 270.0 -0.1073 0.2805 0.0324
0.65 282.0 0.8494 0.4191 0.1012
0.75 138.0 -0.1794 0.5439 0.0363
0.75 150.0 0.6382 0.5264 0.0786
0.75 162.0 -0.2107 0.4103 0.0384
0.75 174.0 -0.0657 0.3377 0.0309
0.75 186.0 1.0354 0.403 0.1216
0.75 198.0 -0.1771 0.4489 0.0361
0.75 210.0 -0.0983 0.4391 0.032
0.75 222.0 -0.209 0.4238 0.0383
0.75 234.0 0.0228 0.2994 0.0301
0.75 246.0 -0.3427 0.2687 0.0492
0.75 258.0 0.2529 0.2854 0.0416
0.75 270.0 -0.4914 0.2998 0.0635
0.85 150.0 -0.0118 0.4306 0.03
0.85 162.0 -0.3639 0.4584 0.0511
0.85 174.0 0.1004 0.3755 0.0321
0.85 186.0 0.3247 0.3676 0.0476
0.85 210.0 -0.8333 0.4047 0.0994
0.85 222.0 0.9055 0.502 0.1073
0.85 234.0 -0.0763 0.4467 0.0312
0.85 246.0 -0.0525 0.339 0.0306
0.85 258.0 0.4997 0.4792 0.0643