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Measurement E151M3596

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: 0.095
Q2: 0.1715 GeV2
W: 1745.0 GeV
Ebeam: 2.999 GeV
ε: 0.8584

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 102.0 -0.1061 0.2588
0.55 114.0 0.3388 0.2556
0.55 126.0 -0.0763 0.2716
0.55 222.0 0.1971 0.28
0.65 102.0 0.2788 0.253
0.65 114.0 -0.2636 0.266
0.65 126.0 -0.2753 0.2261
0.65 138.0 -0.4552 0.2263
0.65 198.0 -0.0011 0.2555
0.65 210.0 0.3373 0.2287
0.65 234.0 0.5334 0.2653
0.65 282.0 0.142 0.2436
0.75 90.0 -0.4083 0.1899
0.75 102.0 -0.2041 0.2293
0.75 114.0 0.2341 0.2479
0.75 126.0 -0.1154 0.2457
0.75 186.0 -0.1085 0.2239
0.75 198.0 0.1297 0.2173
0.75 210.0 0.3672 0.2052
0.75 222.0 -0.2183 0.2052
0.75 234.0 0.5423 0.1989
0.75 246.0 0.0499 0.3043
0.75 282.0 -0.304 0.1968
0.75 294.0 -0.0979 0.1932
0.85 78.0 -0.0009 0.215
0.85 90.0 -0.1112 0.2023
0.85 102.0 0.2216 0.173
0.85 114.0 -0.2556 0.2036
0.85 174.0 -0.3334 0.2478
0.85 186.0 0.0281 0.174
0.85 198.0 0.0679 0.1689
0.85 210.0 -0.1971 0.1761
0.85 222.0 0.3318 0.1596
0.85 234.0 -0.1995 0.1859
0.85 246.0 -0.1074 0.2488
0.85 258.0 0.4985 0.2471
0.95 174.0 -0.0064 0.247
0.95 186.0 0.038 0.2285
0.95 198.0 0.2614 0.2287
0.95 210.0 -0.1375 0.2426
0.95 222.0 0.1815 0.2075
0.95 234.0 -0.1274 0.1998
0.95 246.0 0.0613 0.2344
Created in SINP MSU, CLAS Collaboration