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Measurement E151M2635

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: 0.0338
Q2: 0.0291 GeV2
W: 1475.0 GeV
Ebeam: 1.0539 GeV
ε: 0.5771

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.3201 0.2002
0.25 54.0 0.1054 0.2
0.35 42.0 0.2105 0.2091
0.35 54.0 0.0125 0.1863
0.35 66.0 -0.2025 0.225
0.45 30.0 -0.0961 0.2499
0.45 42.0 0.017 0.226
0.45 54.0 0.2889 0.1925
0.45 66.0 0.3216 0.1741
0.45 222.0 0.2585 0.2404
0.45 234.0 -0.0848 0.1812
0.45 246.0 -0.2745 0.1941
0.55 42.0 0.4182 0.1844
0.55 54.0 -0.2555 0.2039
0.55 66.0 0.268 0.2497
0.55 174.0 -0.0707 0.2298
0.55 210.0 -0.2036 0.2244
0.55 222.0 -0.3706 0.2212
0.55 234.0 -0.0636 0.1781
0.55 246.0 -0.3617 0.1778
0.55 258.0 -0.1895 0.1805
0.65 150.0 0.0947 0.2186
0.65 162.0 0.2723 0.2549
0.65 174.0 0.2851 0.2412
0.65 186.0 0.0431 0.2402
0.65 222.0 -0.1193 0.2228
0.65 234.0 -0.1789 0.1735
0.65 246.0 -0.2708 0.1635
0.65 258.0 -0.2025 0.1548
0.75 150.0 -0.1484 0.2361
0.75 162.0 -0.0453 0.2515
0.75 174.0 0.0661 0.2489
0.75 186.0 0.0441 0.242
0.75 222.0 -0.0921 0.208
0.75 234.0 -0.0195 0.1646
0.75 246.0 -0.1968 0.1602
0.75 258.0 -0.1738 0.1726
0.85 222.0 -0.1292 0.2448
0.85 234.0 -0.0897 0.1767
0.85 246.0 0.2583 0.1708
0.85 258.0 -0.3886 0.1618
0.85 270.0 -0.0519 0.2267
Created in SINP MSU, CLAS Collaboration