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Measurement E151M2478

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: 0.4767
Q2: 0.0844 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8524

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 -0.1698 0.2108
0.15 30.0 -0.8014 0.1611
0.15 42.0 0.3158 0.188
0.15 54.0 0.2997 0.242
0.25 42.0 -0.2596 0.2259
0.35 282.0 -0.2843 0.2199
0.35 294.0 0.0628 0.2367
0.45 270.0 0.0621 0.1851
0.45 282.0 -0.0807 0.1851
0.45 294.0 -0.3087 0.1981
0.55 258.0 -0.2569 0.2058
0.55 270.0 -0.0617 0.1437
0.55 282.0 -0.2999 0.1252
0.55 294.0 0.302 0.188
0.65 246.0 0.3789 0.2407
0.65 258.0 -0.1368 0.1529
0.65 270.0 0.0136 0.1321
0.65 282.0 0.143 0.1461
0.65 294.0 0.0514 0.1747
0.75 246.0 0.0132 0.183
0.75 258.0 0.0973 0.1641
0.75 270.0 0.0659 0.138
0.75 282.0 -0.0015 0.1636
0.75 294.0 -0.2196 0.2165
0.85 114.0 0.2089 0.2025
0.85 126.0 -0.0215 0.2069
0.85 138.0 0.1776 0.1628
0.85 150.0 -0.2033 0.2016
0.85 162.0 0.1584 0.1587
0.85 174.0 0.1956 0.1685
0.85 186.0 0.3071 0.1976
0.85 198.0 -0.3907 0.1737
0.85 210.0 0.1788 0.1995
0.85 222.0 0.1374 0.2518
0.85 246.0 -0.1639 0.2202
0.85 258.0 -0.0976 0.2505
0.85 270.0 0.251 0.1817
0.85 282.0 0.0626 0.1793
0.95 126.0 0.1095 0.211
0.95 138.0 0.1109 0.1969
0.95 150.0 -0.0052 0.157
0.95 162.0 -0.0099 0.1718
0.95 174.0 0.256 0.1725
0.95 186.0 -0.4482 0.1852
0.95 198.0 0.23 0.1951
0.95 210.0 -0.2039 0.1934
0.95 222.0 -0.0082 0.23
0.95 234.0 -0.122 0.2344
Created in SINP MSU, CLAS Collaboration