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Measurement E151M1032

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: 0.5435
Q2: 0.496 GeV2
W: 1445.0 GeV
Ebeam: 2.999 GeV
ε: 0.903

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 294.0 -0.8405 0.6267
0.45 90.0 0.1332 0.754
0.45 102.0 1.7936 0.9442
0.55 78.0 -0.0875 0.6424
0.55 90.0 -0.3289 0.6877
0.55 102.0 -0.7074 0.5842
0.65 54.0 -1.3852 0.553
0.65 78.0 -1.553 0.4323
0.65 90.0 0.1391 0.6794
0.65 102.0 -0.0809 0.7688
0.65 114.0 -0.0524 0.7375
0.65 258.0 -1.0718 0.5806
0.65 270.0 2.2518 0.8456
0.75 54.0 0.1701 0.7621
0.75 78.0 -0.135 0.6221
0.75 90.0 0.4889 0.7064
0.75 102.0 -0.0637 0.6586
0.75 114.0 0.5 0.7597
0.75 222.0 1.4931 0.9747
0.75 246.0 -1.1032 0.5475
0.75 258.0 -1.1207 0.4719
0.75 270.0 0.6813 0.6226
0.75 282.0 -1.0332 0.5533
0.85 54.0 0.3305 0.6387
0.85 78.0 0.4296 0.7671
0.85 90.0 -0.2621 0.5992
0.85 102.0 1.4245 0.7953
0.85 210.0 0.135 0.7513
0.85 222.0 0.1418 0.7113
0.85 234.0 -0.821 0.5924
0.85 246.0 1.7011 0.72
0.85 258.0 0.4848 0.7476
0.85 270.0 0.4458 0.7187
0.85 282.0 -0.0671 0.6383
0.85 294.0 -0.5097 0.577
0.85 306.0 1.0685 0.6361
0.85 318.0 0.1308 0.5774
0.95 234.0 -0.5796 0.6316
0.95 258.0 -0.2078 0.5936
0.95 282.0 1.1697 0.7726
0.95 306.0 -0.1589 0.6437
0.95 318.0 -0.1355 0.5285
0.95 330.0 -0.3572 0.5929
Created in SINP MSU, CLAS Collaboration