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Measurement E151M2955

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: 0.6625
Q2: 0.205 GeV2
W: 1295.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9207

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.25 66.0 -0.1302 0.2634 0.0301
0.25 294.0 -0.1005 0.2697 0.0301
0.25 306.0 -0.1727 0.255 0.0302
0.35 78.0 0.3425 0.2399 0.0308
0.45 66.0 -0.1926 0.2409 0.0302
0.45 78.0 -0.1394 0.2744 0.0301
0.55 270.0 -0.3119 0.2365 0.0306
0.55 282.0 -0.0489 0.2417 0.03
0.65 90.0 0.0577 0.2695 0.03
0.65 102.0 0.0262 0.2783 0.03
0.65 258.0 0.2881 0.2597 0.0305
0.65 270.0 0.1477 0.2025 0.0301
0.65 282.0 -0.2057 0.1977 0.0303
0.75 78.0 -0.1484 0.2759 0.0301
0.75 90.0 -0.3411 0.1902 0.0308
0.75 102.0 -0.2511 0.1659 0.0304
0.75 114.0 0.1311 0.2157 0.0301
0.75 246.0 0.1849 0.2402 0.0302
0.75 258.0 -0.1254 0.2096 0.0301
0.75 270.0 -0.3026 0.1581 0.0306
0.75 282.0 -0.0573 0.182 0.03
0.75 294.0 -0.0822 0.2143 0.03
0.85 78.0 -0.0078 0.2109 0.03
0.85 90.0 -0.0961 0.1829 0.0301
0.85 102.0 -0.0694 0.1801 0.03
0.85 114.0 -0.1616 0.2008 0.0302
0.85 126.0 -0.0748 0.2268 0.03
0.85 138.0 -0.2012 0.2522 0.0303
0.85 234.0 0.1398 0.2333 0.0301
0.85 246.0 0.0283 0.1919 0.03
0.85 258.0 0.0626 0.1621 0.03
0.85 270.0 0.193 0.192 0.0302
0.85 282.0 -0.1376 0.2147 0.0301
0.85 294.0 -0.0721 0.2295 0.03
0.95 78.0 -0.3623 0.2247 0.0309
0.95 90.0 0.4891 0.182 0.0316
0.95 102.0 -0.1847 0.1954 0.0302
0.95 114.0 0.1681 0.2296 0.0302
0.95 126.0 0.1942 0.2263 0.0303
0.95 138.0 -0.0585 0.219 0.03
0.95 150.0 -0.4125 0.2642 0.0311
0.95 162.0 0.1824 0.2746 0.0302
0.95 174.0 -0.3627 0.2459 0.0309
0.95 246.0 -0.2059 0.2003 0.0303
0.95 258.0 0.1224 0.2408 0.0301
0.95 270.0 0.0967 0.2138 0.0301
0.95 282.0 -0.2452 0.2453 0.0304
0.95 294.0 -0.265 0.2537 0.0305
Created in SINP MSU, CLAS Collaboration