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Measurement E151M2495

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: 0.2189
Q2: 0.0415 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8671

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.15 42.0 -0.3458 0.2421 0.0308
0.25 30.0 0.0943 0.2467 0.0301
0.25 42.0 -0.0985 0.1807 0.0301
0.35 30.0 -0.1125 0.2142 0.0301
0.35 42.0 0.152 0.1718 0.0302
0.35 54.0 0.0592 0.2475 0.03
0.45 42.0 -0.0277 0.1996 0.03
0.45 270.0 -0.2739 0.2166 0.0305
0.45 282.0 -0.1071 0.1959 0.0301
0.55 246.0 0.0608 0.2006 0.03
0.55 258.0 0.1971 0.1418 0.0303
0.55 270.0 -0.0085 0.136 0.03
0.55 282.0 -0.0511 0.1611 0.03
0.65 234.0 -0.0662 0.1863 0.03
0.65 246.0 0.1202 0.1454 0.0301
0.65 258.0 -0.0134 0.1506 0.03
0.65 270.0 -0.1243 0.1392 0.0301
0.65 282.0 -0.1214 0.161 0.0301
0.75 138.0 0.0054 0.2058 0.03
0.75 150.0 0.0534 0.1689 0.03
0.75 162.0 0.2455 0.1932 0.0304
0.75 174.0 -0.09 0.2444 0.0301
0.75 186.0 -0.0737 0.22 0.03
0.75 222.0 0.174 0.2158 0.0302
0.75 234.0 -0.0952 0.1938 0.0301
0.75 246.0 -0.2058 0.1303 0.0303
0.75 258.0 -0.159 0.1338 0.0302
0.75 270.0 0.027 0.1323 0.03
0.75 282.0 -0.2078 0.1437 0.0303
0.85 126.0 -0.1919 0.2421 0.0302
0.85 138.0 -0.0644 0.1621 0.03
0.85 150.0 0.0069 0.1473 0.03
0.85 162.0 -0.1413 0.1423 0.0301
0.85 174.0 -0.1114 0.1617 0.0301
0.85 186.0 0.0774 0.1697 0.03
0.85 198.0 0.0821 0.1844 0.03
0.85 210.0 0.2713 0.24 0.0305
0.85 234.0 0.0254 0.1798 0.03
0.85 246.0 -0.1464 0.1708 0.0301
0.85 258.0 -0.1332 0.1358 0.0301
0.85 270.0 -0.1854 0.1416 0.0302
0.85 282.0 0.3023 0.1684 0.0306
0.95 150.0 0.0987 0.2135 0.0301
0.95 186.0 -0.0814 0.2226 0.03
Created in SINP MSU, CLAS Collaboration