CLAS Physics Database

Measurement E151M2665

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: 0.2909
Q2: 0.0415 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9364

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.15 42.0 0.2674 0.2053 0.0307
0.25 30.0 0.384 0.276 0.031
0.25 42.0 0.0273 0.1669 0.03
0.25 54.0 -0.1244 0.1904 0.0305
0.45 270.0 -0.2876 0.1795 0.0306
0.45 282.0 -0.3401 0.1551 0.0309
0.55 258.0 0.2436 0.1421 0.0304
0.55 270.0 0.0084 0.1161 0.0302
0.55 282.0 -0.1803 0.1582 0.0306
0.65 234.0 -0.0406 0.2695 0.03
0.65 246.0 0.1666 0.1612 0.0302
0.65 258.0 0.027 0.1155 0.03
0.65 270.0 -0.1003 0.1242 0.0301
0.65 282.0 -0.2403 0.1138 0.0311
0.75 126.0 0.3546 0.2194 0.0309
0.75 138.0 0.1483 0.1689 0.0302
0.75 150.0 -0.628 0.1652 0.033
0.75 162.0 -0.2366 0.1955 0.0304
0.75 222.0 -0.1427 0.3465 0.0301
0.75 234.0 -0.3683 0.1901 0.031
0.75 246.0 -0.2118 0.1241 0.0303
0.75 258.0 -0.1324 0.1151 0.0302
0.75 270.0 0.0355 0.1102 0.0307
0.75 282.0 -0.0643 0.1444 0.03
0.85 114.0 -0.3013 0.2343 0.0306
0.85 126.0 0.0199 0.1768 0.03
0.85 138.0 -0.0876 0.1382 0.0302
0.85 150.0 -0.1986 0.1492 0.0308
0.85 162.0 0.004 0.1484 0.03
0.85 174.0 0.0011 0.1454 0.03
0.85 186.0 0.0004 0.1382 0.03
0.85 198.0 -0.1078 0.1715 0.0305
0.85 210.0 0.1507 0.1878 0.0306
0.85 222.0 -0.4242 0.1883 0.0312
0.85 234.0 -0.1173 0.186 0.0301
0.85 246.0 -0.0201 0.1453 0.0301
0.85 258.0 -0.0659 0.1268 0.0301
0.85 270.0 0.1524 0.139 0.0302
0.85 282.0 0.1786 0.2095 0.0305
0.95 138.0 0.2101 0.1819 0.0315
0.95 150.0 0.6552 0.1558 0.0334
0.95 162.0 0.0032 0.1698 0.0307
0.95 174.0 -0.0044 0.1931 0.0301
0.95 186.0 -0.3603 0.1739 0.0323
0.95 198.0 -0.2124 0.3507 0.0303
0.95 210.0 0.0484 0.2669 0.03