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Measurement E151M3087

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: 0.0909
Q2: 0.0844 GeV2
W: 1565.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8353

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 294.0 -0.5183 0.2244
0.35 78.0 -0.2305 0.2439
0.35 270.0 -0.0185 0.263
0.35 282.0 -0.1645 0.2866
0.45 66.0 -0.0679 0.2783
0.45 78.0 0.1776 0.2486
0.45 270.0 0.3244 0.243
0.45 282.0 0.0183 0.2358
0.55 78.0 -0.1918 0.2698
0.55 114.0 0.4628 0.232
0.55 126.0 0.1029 0.2751
0.55 138.0 0.1125 0.2505
0.55 234.0 -0.2806 0.2613
0.55 258.0 0.2642 0.2762
0.55 270.0 0.3635 0.2513
0.55 282.0 0.0108 0.259
0.65 114.0 -0.2102 0.2126
0.65 126.0 0.0917 0.23
0.65 138.0 0.2231 0.2428
0.65 198.0 -0.0824 0.2615
0.65 210.0 0.2986 0.2481
0.65 222.0 0.2764 0.2312
0.65 234.0 -0.1084 0.2364
0.65 282.0 0.0093 0.2739
0.65 294.0 -0.0382 0.2295
0.75 114.0 0.4403 0.256
0.75 126.0 -0.1387 0.2106
0.75 138.0 0.6232 0.23
0.75 150.0 -0.4678 0.2286
0.75 210.0 0.1862 0.2207
0.75 222.0 -0.2777 0.2055
0.75 234.0 0.0124 0.2047
0.75 246.0 -0.4355 0.2022
0.75 282.0 -0.0445 0.1972
0.75 294.0 0.3819 0.1937
0.85 102.0 -0.1775 0.2267
0.85 114.0 0.2076 0.2555
0.85 198.0 -0.4275 0.2549
0.85 210.0 -0.546 0.1971
0.85 222.0 0.0402 0.2336
0.85 234.0 0.0718 0.1872
0.85 246.0 -0.3979 0.1953
0.95 114.0 0.0899 0.2863
0.95 222.0 0.0295 0.2492
0.95 246.0 -0.3674 0.2563
Created in SINP MSU, CLAS Collaboration