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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
0.55 246.0 -0.4474 0.2526
0.55 258.0 -0.0377 0.3927
0.55 270.0 0.1995 0.2022
0.65 114.0 0.2405 0.2514
0.65 126.0 0.1926 0.1922
0.65 138.0 0.2621 0.2682
0.65 234.0 -0.6848 0.1557
0.65 246.0 0.1461 0.1597
0.65 258.0 0.1163 0.1534
0.65 270.0 0.4291 0.1362
0.75 114.0 0.1644 0.1844
0.75 126.0 -0.0126 0.1756
0.75 138.0 -0.1229 0.1843
0.75 150.0 -0.1726 0.1952
0.75 222.0 -0.5877 0.307
0.75 234.0 -0.1212 0.1627
0.75 246.0 -0.2777 0.1621
0.75 258.0 -0.3341 0.1575
0.75 270.0 -0.0121 0.1474
0.75 282.0 -0.2217 0.1888
0.85 102.0 0.1686 0.2024
0.85 114.0 0.0178 0.1469
0.85 126.0 0.2789 0.1625
0.85 138.0 0.0439 0.1507
0.85 150.0 0.0499 0.185
0.85 162.0 0.5372 0.1438
0.85 234.0 -0.1701 0.1811
0.85 246.0 -0.079 0.1571
0.85 258.0 -0.1751 0.1476
0.85 270.0 -0.142 0.1474
0.85 282.0 -0.1992 0.136
0.85 294.0 -0.2443 0.2096
0.95 78.0 0.3106 0.1838
0.95 90.0 -0.0159 0.1728
0.95 102.0 0.0985 0.2253
0.95 138.0 -0.2534 0.2207
0.95 150.0 -0.0825 0.2848
0.95 234.0 0.4886 0.3185
0.95 246.0 0.4026 0.1571
0.95 258.0 -0.3493 0.1667
0.95 270.0 0.0621 0.2127
0.95 282.0 -0.1468 0.1652
Created in SINP MSU, CLAS Collaboration