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Measurement E151M2498

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: 0.3347
Q2: 0.0707 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8395

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 -0.2975 0.2282
0.15 42.0 0.113 0.1937
0.15 54.0 0.0679 0.2544
0.25 30.0 -0.179 0.2175
0.25 42.0 0.4659 0.174
0.25 54.0 -0.2767 0.2333
0.35 42.0 -0.1451 0.223
0.35 282.0 0.3305 0.2391
0.45 270.0 0.3693 0.1621
0.45 282.0 -0.0658 0.17
0.55 258.0 -0.0089 0.1665
0.55 270.0 -0.0543 0.1689
0.55 282.0 0.0386 0.1628
0.65 246.0 0.1843 0.1838
0.65 258.0 -0.0754 0.1478
0.65 270.0 0.0097 0.1222
0.65 282.0 0.1246 0.1486
0.65 294.0 -0.1689 0.249
0.75 126.0 0.1787 0.2243
0.75 138.0 -0.0855 0.1948
0.75 150.0 -0.1341 0.2147
0.75 162.0 0.1649 0.2056
0.75 186.0 -0.1861 0.2644
0.75 234.0 0.4269 0.1854
0.75 246.0 0.0988 0.1655
0.75 258.0 0.0807 0.1578
0.75 270.0 -0.0372 0.1431
0.75 282.0 -0.0113 0.1502
0.75 294.0 0.2439 0.2195
0.85 114.0 -0.2401 0.2334
0.85 126.0 0.1989 0.1602
0.85 138.0 0.0733 0.1491
0.85 150.0 0.2675 0.1596
0.85 162.0 -0.0651 0.1765
0.85 174.0 -0.1353 0.161
0.85 186.0 -0.1174 0.2106
0.85 198.0 0.2461 0.2094
0.85 210.0 -0.1501 0.222
0.85 222.0 0.4534 0.2209
0.85 234.0 -0.065 0.2377
0.85 246.0 -0.0132 0.1941
0.85 258.0 -0.2071 0.1364
0.85 270.0 -0.1286 0.153
0.85 282.0 -0.1313 0.1421
0.95 102.0 0.2923 0.2189
0.95 114.0 0.0601 0.2493
0.95 126.0 0.4113 0.188
0.95 138.0 0.1521 0.1878
0.95 150.0 0.013 0.2038
0.95 162.0 0.0012 0.1778
0.95 174.0 -0.0638 0.1757
0.95 186.0 -0.2192 0.1871
0.95 198.0 0.3 0.2087
0.95 210.0 -0.3427 0.2299
0.95 270.0 -0.2196 0.2217
Created in SINP MSU, CLAS Collaboration