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Measurement E151M3572

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: 0.1744
Q2: 0.2915 GeV2
W: 1685.0 GeV
Ebeam: 2.999 GeV
ε: 0.8603

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 270.0 0.073 0.2501 0.03
0.45 282.0 -0.2006 0.2563 0.0303
0.55 102.0 0.2603 0.238 0.0304
0.55 114.0 -0.212 0.2514 0.0303
0.55 210.0 -0.2305 0.2763 0.0304
0.55 294.0 -0.0204 0.2765 0.03
0.65 90.0 -0.2471 0.2476 0.0304
0.65 102.0 -0.086 0.2206 0.03
0.65 114.0 0.0157 0.2358 0.03
0.65 198.0 -0.4591 0.2426 0.0314
0.65 210.0 -0.2692 0.2444 0.0305
0.65 222.0 0.0628 0.2455 0.03
0.65 234.0 -0.2921 0.241 0.0306
0.65 294.0 0.0728 0.2259 0.03
0.65 306.0 -0.5869 0.2214 0.0322
0.75 78.0 -0.2802 0.2196 0.0305
0.75 102.0 0.5256 0.2258 0.0318
0.75 114.0 -0.1548 0.211 0.0302
0.75 126.0 0.2786 0.2739 0.0305
0.75 186.0 -0.357 0.233 0.0308
0.75 198.0 -0.3407 0.2185 0.0308
0.75 210.0 0.081 0.2254 0.03
0.75 222.0 -0.3428 0.2209 0.0308
0.75 234.0 -0.0175 0.2093 0.03
0.75 246.0 -0.1239 0.2558 0.0301
0.75 294.0 -0.0573 0.2715 0.03
0.85 66.0 0.087 0.2071 0.0301
0.85 78.0 0.1463 0.1893 0.0301
0.85 90.0 -0.0359 0.21 0.03
0.85 186.0 0.0181 0.2541 0.03
0.85 198.0 -0.112 0.2101 0.0301
0.85 210.0 0.0651 0.2034 0.03
0.85 222.0 -0.2956 0.1419 0.0306
0.85 234.0 -0.0655 0.1697 0.03
0.85 246.0 -0.0638 0.1674 0.03
0.85 258.0 -0.1029 0.2299 0.0301
0.85 270.0 0.1425 0.2654 0.0301
0.95 90.0 -0.431 0.2312 0.0312
0.95 174.0 0.0972 0.2413 0.0301
0.95 198.0 -0.3795 0.2315 0.0309
0.95 210.0 -0.0284 0.2088 0.03
0.95 222.0 0.3601 0.1939 0.0309
0.95 234.0 -0.0558 0.2006 0.03
0.95 246.0 -0.2229 0.1835 0.0303
0.95 258.0 -0.2412 0.1934 0.0304
0.95 270.0 -0.1354 0.1811 0.0301
0.95 282.0 -0.463 0.1938 0.0314
0.95 294.0 0.0872 0.2699 0.0301
Created in SINP MSU, CLAS Collaboration