CLAS Physics Database

Measurement E151M72

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: 0.1748
Q2: 0.0415 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8393

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 1.4257 0.6939
0.25 54.0 0.1553 0.7658
0.35 30.0 0.1554 0.6572
0.35 42.0 -0.1387 0.6263
0.45 30.0 0.5954 0.8002
0.45 42.0 -0.1329 0.5996
0.45 270.0 -0.0762 0.5682
0.55 246.0 -0.2548 0.4194
0.55 258.0 -0.037 0.4165
0.55 270.0 -0.4647 0.3929
0.55 282.0 0.6756 0.7277
0.65 138.0 -0.1054 0.6773
0.65 150.0 0.8474 0.788
0.65 222.0 -0.4502 0.6179
0.65 234.0 0.3032 0.4875
0.65 246.0 -0.4034 0.3867
0.65 258.0 0.1441 0.3659
0.65 270.0 -0.0284 0.3723
0.65 282.0 0.6322 0.5311
0.75 126.0 0.5628 0.7576
0.75 138.0 0.7048 0.5876
0.75 150.0 0.9698 0.5468
0.75 162.0 -0.17 0.4431
0.75 174.0 0.5432 0.5356
0.75 186.0 -0.5659 0.5102
0.75 198.0 -0.653 0.6231
0.75 210.0 -0.2288 0.6345
0.75 222.0 -0.2848 0.5495
0.75 234.0 -0.1318 0.4726
0.75 246.0 -0.2886 0.3525
0.75 258.0 -0.0202 0.3267
0.75 270.0 0.1339 0.3858
0.75 282.0 -0.4954 0.4144
0.85 126.0 -0.262 0.6487
0.85 138.0 -0.5568 0.4855
0.85 150.0 0.3858 0.4526
0.85 162.0 -0.7002 0.4691
0.85 174.0 -0.0171 0.4564
0.85 186.0 0.5982 0.5753
0.85 198.0 -0.4367 0.5503
0.85 222.0 0.0546 0.5729
0.85 234.0 0.8231 0.4548
0.85 246.0 -0.3866 0.3358
0.85 258.0 0.6751 0.3553
0.85 270.0 -0.2015 0.3397
0.85 282.0 0.4154 0.5301
0.95 114.0 -0.742 0.4719
0.95 138.0 -0.2007 0.5068
0.95 150.0 0.0008 0.5195
0.95 162.0 -0.5592 0.5136
0.95 186.0 -0.4266 0.4656
0.95 246.0 0.3917 0.4801