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Measurement E151M3561

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: ALU
εL: 0.2399
Q2: 0.4155 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.848

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 90.0 0.0144 0.2479
0.65 66.0 -0.1915 0.28
0.65 90.0 -0.0222 0.2674
0.65 102.0 -0.5038 0.2384
0.65 114.0 -0.0411 0.2291
0.65 306.0 -0.0739 0.2537
0.75 66.0 0.0422 0.2555
0.75 78.0 0.353 0.2069
0.75 102.0 -0.3864 0.2254
0.75 114.0 -0.2735 0.2226
0.75 198.0 -0.3119 0.2642
0.75 246.0 -0.117 0.2614
0.85 66.0 -0.0463 0.2235
0.85 78.0 0.5754 0.1877
0.85 90.0 -0.1594 0.2483
0.85 186.0 -0.1265 0.2706
0.85 198.0 -0.2932 0.247
0.85 210.0 -0.0832 0.2063
0.85 222.0 0.3256 0.2303
0.85 234.0 -0.3862 0.1957
0.85 246.0 -0.5731 0.1805
0.85 258.0 0.2645 0.1933
0.85 270.0 0.1704 0.2158
0.85 282.0 0.075 0.2454
0.95 198.0 -0.1252 0.2583
0.95 210.0 -0.5939 0.2298
0.95 222.0 0.2377 0.2418
0.95 234.0 -0.0799 0.265
0.95 246.0 -0.1861 0.2046
0.95 258.0 -0.2143 0.2242
0.95 270.0 0.0533 0.2187
0.95 282.0 -0.5005 0.2275
0.95 294.0 0.0297 0.2242
0.95 306.0 -0.2719 0.234
Created in SINP MSU, CLAS Collaboration