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Measurement E151M3177

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: 0.62
Q2: 0.101 GeV2
W: 1235.0 GeV
Ebeam: 2.2596 GeV
ε: 0.97

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 78.0 0.1304 0.2378
0.55 270.0 -0.5054 0.2325
0.65 270.0 0.2202 0.1898
0.65 282.0 -0.2135 0.2382
0.75 258.0 0.0896 0.2198
0.75 270.0 -0.0748 0.1846
0.75 282.0 -0.0568 0.2089
0.85 102.0 -0.2144 0.233
0.85 114.0 -0.1122 0.1863
0.85 126.0 -0.1831 0.2248
0.85 138.0 0.5665 0.186
0.95 114.0 0.0781 0.2175
0.95 126.0 0.1533 0.2254
0.95 138.0 0.3013 0.1901
0.95 150.0 0.3255 0.217
0.95 162.0 0.2884 0.254
0.95 186.0 0.5405 0.2026
0.95 198.0 0.2168 0.2379
0.35 66.0 0.0725 0.217
0.35 78.0 0.0381 0.2369
0.45 78.0 0.016 0.1972
0.55 78.0 0.0527 0.2133
0.55 270.0 0.0818 0.2577
0.55 282.0 0.0802 0.249
0.65 258.0 -0.3313 0.2324
0.65 270.0 -0.0091 0.2295
0.65 282.0 -0.2412 0.194
0.75 102.0 0.0069 0.2554
0.75 246.0 -0.0653 0.252
0.75 258.0 -0.2216 0.1927
0.75 270.0 -0.0362 0.1565
0.75 282.0 -0.1377 0.1869
0.85 90.0 -0.2698 0.2473
0.85 102.0 -0.0662 0.2169
0.85 114.0 -0.1182 0.1973
0.85 126.0 0.2511 0.1706
0.85 246.0 -0.392 0.1951
0.85 258.0 0.0124 0.2175
0.85 270.0 -0.2359 0.1961
0.95 102.0 -0.3392 0.2081
0.95 114.0 0.2061 0.2093
0.95 126.0 -0.0067 0.1998
0.95 138.0 -0.185 0.2255
0.95 150.0 -0.3173 0.2036
0.95 162.0 0.13 0.2219
0.95 174.0 -0.1193 0.2184
0.95 186.0 0.0595 0.2288
Created in SINP MSU, CLAS Collaboration