CLAS Physics Database

Measurement E151M3255

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: 0.3721
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9075

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 66.0 0.4415 0.2435 0.0313
0.45 282.0 -0.1244 0.2491 0.0301
0.65 102.0 -0.1211 0.2448 0.0301
0.65 114.0 -0.0783 0.2502 0.03
0.65 258.0 -0.223 0.2414 0.0303
0.75 90.0 0.3482 0.2001 0.0308
0.75 102.0 -0.4518 0.1942 0.0313
0.75 114.0 0.042 0.2162 0.03
0.75 126.0 -0.0948 0.2537 0.0301
0.75 234.0 0.172 0.1908 0.0302
0.75 246.0 -0.0473 0.2124 0.03
0.75 258.0 0.2244 0.2558 0.0303
0.75 270.0 -0.0504 0.2382 0.03
0.85 66.0 0.3672 0.2395 0.0309
0.85 102.0 0.2957 0.195 0.0306
0.85 114.0 0.4062 0.2059 0.0311
0.85 246.0 0.0796 0.214 0.03
0.85 258.0 -0.0274 0.2211 0.03
0.85 270.0 0.2966 0.2498 0.0306
0.85 282.0 -0.0695 0.2585 0.03
0.95 258.0 0.0233 0.2059 0.03
0.95 270.0 -0.0432 0.2611 0.03
0.95 282.0 -0.2459 0.2426 0.0304
0.95 294.0 0.2718 0.2142 0.0305
0.25 78.0 -0.0499 0.2602 0.03
0.65 102.0 0.3467 0.2242 0.0308
0.65 258.0 -0.3027 0.2117 0.0306
0.75 90.0 0.343 0.2295 0.0308
0.75 102.0 -0.2804 0.232 0.0305
0.75 114.0 -0.4077 0.2377 0.0311
0.75 126.0 0.4494 0.2287 0.0313
0.75 246.0 -0.0593 0.2139 0.03
0.75 258.0 -0.1971 0.2246 0.0303
0.75 270.0 0.0633 0.2447 0.03
0.85 102.0 -0.0499 0.2491 0.03
0.85 114.0 0.017 0.2119 0.03
0.85 246.0 0.0199 0.2637 0.03
0.85 258.0 -0.1873 0.2109 0.0302
0.85 270.0 0.2834 0.2553 0.0305
0.85 282.0 -0.1908 0.2401 0.0302
0.85 294.0 0.0721 0.2274 0.03
0.95 66.0 0.0501 0.2544 0.03
0.95 258.0 0.3448 0.2354 0.0308
0.95 282.0 -0.2083 0.1967 0.0303