CLAS Physics Database

Measurement E151M2746

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: 0.264
Q2: 0.101 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8289

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 246.0 -0.4474 0.2526 0.0313
0.55 258.0 -0.0377 0.3927 0.03
0.55 270.0 0.1995 0.2022 0.0303
0.65 114.0 0.2405 0.2514 0.0304
0.65 126.0 0.1926 0.1922 0.0304
0.65 138.0 0.2621 0.2682 0.0305
0.65 234.0 -0.6848 0.1557 0.033
0.65 246.0 0.1461 0.1597 0.0302
0.65 258.0 0.1163 0.1534 0.0302
0.65 270.0 0.4291 0.1362 0.0325
0.75 114.0 0.1644 0.1844 0.0302
0.75 126.0 -0.0126 0.1756 0.0301
0.75 138.0 -0.1229 0.1843 0.0302
0.75 150.0 -0.1726 0.1952 0.0303
0.75 222.0 -0.5877 0.307 0.0322
0.75 234.0 -0.1212 0.1627 0.0306
0.75 246.0 -0.2777 0.1621 0.0305
0.75 258.0 -0.3341 0.1575 0.0307
0.75 270.0 -0.0121 0.1474 0.03
0.75 282.0 -0.2217 0.1888 0.0304
0.85 102.0 0.1686 0.2024 0.0304
0.85 114.0 0.0178 0.1469 0.03
0.85 126.0 0.2789 0.1625 0.0305
0.85 138.0 0.0439 0.1507 0.0302
0.85 150.0 0.0499 0.185 0.03
0.85 162.0 0.5372 0.1438 0.033
0.85 234.0 -0.1701 0.1811 0.0304
0.85 246.0 -0.079 0.1571 0.0301
0.85 258.0 -0.1751 0.1476 0.0302
0.85 270.0 -0.142 0.1474 0.0302
0.85 282.0 -0.1992 0.136 0.0306
0.85 294.0 -0.2443 0.2096 0.0307
0.95 78.0 0.3106 0.1838 0.031
0.95 90.0 -0.0159 0.1728 0.03
0.95 102.0 0.0985 0.2253 0.0301
0.95 138.0 -0.2534 0.2207 0.0304
0.95 150.0 -0.0825 0.2848 0.03
0.95 234.0 0.4886 0.3185 0.0316
0.95 246.0 0.4026 0.1571 0.0315
0.95 258.0 -0.3493 0.1667 0.0308
0.95 270.0 0.0621 0.2127 0.0302
0.95 282.0 -0.1468 0.1652 0.0304