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Measurement E151M3016

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: 0.3594
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8764

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.25 66.0 -0.3351 0.2227 0.0307
0.25 282.0 0.5842 0.2497 0.0322
0.25 294.0 -0.0268 0.2694 0.03
0.35 66.0 0.004 0.2333 0.03
0.35 282.0 0.2631 0.2508 0.0305
0.35 294.0 -0.0531 0.2696 0.03
0.65 102.0 0.2726 0.232 0.0305
0.65 114.0 -0.0515 0.2462 0.03
0.65 126.0 -0.0481 0.2453 0.03
0.65 246.0 -0.3848 0.2146 0.031
0.65 258.0 0.1244 0.2841 0.0301
0.65 270.0 -0.284 0.2728 0.0305
0.75 90.0 -0.1278 0.1934 0.0301
0.75 102.0 0.1927 0.2493 0.0302
0.75 114.0 0.3293 0.1751 0.0307
0.75 138.0 -0.1494 0.2476 0.0301
0.75 234.0 -0.4391 0.2378 0.0313
0.75 246.0 -0.1713 0.2109 0.0302
0.75 258.0 -0.0761 0.1947 0.03
0.75 270.0 -0.1204 0.2104 0.0301
0.75 282.0 -0.0963 0.2919 0.0301
0.85 66.0 -0.0907 0.2764 0.0301
0.85 90.0 -0.1887 0.2623 0.0302
0.85 102.0 0.1009 0.2047 0.0301
0.85 114.0 0.2342 0.2137 0.0304
0.85 126.0 -0.2525 0.2063 0.0304
0.85 138.0 -0.3749 0.2724 0.0309
0.85 222.0 -0.2722 0.2632 0.0305
0.85 234.0 -0.4374 0.2171 0.0312
0.85 246.0 -0.028 0.1969 0.03
0.85 258.0 -0.0109 0.2019 0.03
0.85 270.0 -0.0954 0.1948 0.0301
0.85 282.0 -0.0615 0.2106 0.03
0.85 294.0 -0.3226 0.2675 0.0307
0.95 126.0 0.0916 0.2847 0.0301
0.95 222.0 -0.0773 0.2732 0.03
0.95 234.0 -0.7328 0.1804 0.0334
0.95 246.0 0.1751 0.2904 0.0302
0.95 258.0 -0.0692 0.2174 0.03
0.95 270.0 -0.1683 0.2149 0.0302
0.95 282.0 -0.2974 0.1861 0.0306
0.95 294.0 0.0933 0.2733 0.0301
Created in SINP MSU, CLAS Collaboration