CLAS Physics Database

Measurement E151M3536

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: 0.2677
Q2: 0.348 GeV2
W: 1595.0 GeV
Ebeam: 2.999 GeV
ε: 0.8838

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 282.0 0.0046 0.2745 0.03
0.55 102.0 -0.5404 0.1802 0.0319
0.55 126.0 0.2168 0.2465 0.0303
0.55 294.0 -0.1914 0.2783 0.0302
0.55 306.0 -0.2972 0.2393 0.0306
0.65 90.0 0.0235 0.2405 0.03
0.65 102.0 0.0724 0.2208 0.03
0.65 114.0 -0.137 0.2139 0.0301
0.65 246.0 -0.2261 0.2427 0.0303
0.65 294.0 -0.5491 0.2189 0.0319
0.65 306.0 0.1273 0.237 0.0301
0.75 54.0 0.1743 0.2745 0.0302
0.75 66.0 0.0842 0.2593 0.03
0.75 90.0 0.1583 0.2636 0.0302
0.75 102.0 -0.1218 0.1889 0.0301
0.75 114.0 -0.2864 0.183 0.0305
0.75 126.0 -0.0461 0.2501 0.03
0.75 198.0 -0.5175 0.2216 0.0317
0.75 210.0 -0.094 0.2501 0.0301
0.75 222.0 -0.4109 0.2346 0.0311
0.75 234.0 -0.2341 0.1933 0.0304
0.75 246.0 -0.1425 0.2275 0.0301
0.75 270.0 -0.1834 0.2655 0.0302
0.85 54.0 -0.3803 0.224 0.0309
0.85 66.0 0.3632 0.1691 0.0309
0.85 78.0 -0.2527 0.2007 0.0304
0.85 90.0 -0.0756 0.2758 0.03
0.85 114.0 -0.1439 0.2235 0.0301
0.85 126.0 0.3376 0.2647 0.0308
0.85 186.0 -0.2808 0.2386 0.0305
0.85 198.0 -0.2025 0.2226 0.0303
0.85 210.0 -0.1856 0.213 0.0302
0.85 222.0 0.2223 0.213 0.0303
0.85 234.0 -0.3611 0.2092 0.0309
0.85 246.0 -0.2227 0.1971 0.0303
0.85 258.0 0.0337 0.1813 0.03
0.85 270.0 -0.1578 0.1813 0.0302
0.85 282.0 -0.0633 0.2241 0.03
0.95 78.0 -0.44 0.2585 0.0313
0.95 198.0 -0.4387 0.238 0.0313
0.95 210.0 -0.1031 0.2334 0.0301
0.95 222.0 -0.0225 0.2227 0.03
0.95 234.0 -0.4938 0.2032 0.0316
0.95 246.0 0.1329 0.2146 0.0301
0.95 258.0 -0.297 0.2177 0.0306
0.95 270.0 0.3037 0.1599 0.0306
0.95 282.0 -0.3078 0.2038 0.0306
0.95 294.0 -0.0385 0.1868 0.03
0.95 306.0 -0.0948 0.2051 0.0301
0.95 318.0 0.12 0.2694 0.0301