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Measurement E151M3143

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: 0.0326
Q2: 0.0496 GeV2
W: 1685.0 GeV
Ebeam: 1.9889 GeV
ε: 0.7523

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 78.0 0.1884 0.2691 0.0302
0.35 270.0 -0.0368 0.2189 0.03
0.45 138.0 -0.332 0.2526 0.0307
0.45 222.0 0.0746 0.2852 0.03
0.45 270.0 -0.179 0.241 0.0302
0.45 282.0 0.1288 0.2702 0.0301
0.55 114.0 -0.1566 0.2666 0.0302
0.55 126.0 0.1296 0.2697 0.0301
0.55 138.0 0.3267 0.2771 0.0307
0.55 210.0 -0.5921 0.2009 0.0323
0.55 222.0 -0.0259 0.2541 0.03
0.55 246.0 -0.2192 0.2725 0.0303
0.55 258.0 -0.1729 0.2497 0.0302
0.55 270.0 0.1465 0.2252 0.0301
0.65 126.0 -0.2634 0.2348 0.0305
0.65 138.0 0.2426 0.2222 0.0304
0.65 210.0 0.2558 0.2649 0.0304
0.65 222.0 -0.3096 0.2353 0.0306
0.65 234.0 0.1835 0.2622 0.0302
0.65 294.0 0.4559 0.2308 0.0314
0.75 54.0 0.1526 0.271 0.0302
0.75 66.0 -0.1735 0.2316 0.0302
0.75 114.0 0.1191 0.2385 0.0301
0.75 198.0 0.1594 0.2575 0.0302
0.75 210.0 -0.2396 0.2286 0.0304
0.75 222.0 -0.0669 0.2123 0.03
0.75 234.0 0.3966 0.2355 0.031
0.75 270.0 -0.1564 0.2119 0.0302
0.75 282.0 0.2277 0.1941 0.0303
0.85 114.0 -0.2247 0.2172 0.0303
0.85 126.0 0.2664 0.2194 0.0305
0.85 138.0 0.2702 0.2555 0.0305
0.85 198.0 -0.1582 0.2268 0.0302
0.85 210.0 -0.06 0.2229 0.03
0.85 222.0 0.1882 0.1996 0.0302
0.85 234.0 -0.2693 0.2387 0.0305
0.85 270.0 0.3391 0.2648 0.0308
Created in SINP MSU, CLAS Collaboration