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Measurement E151M3540

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: 0.0804
Q2: 0.0844 GeV2
W: 1625.0 GeV
Ebeam: 2.999 GeV
ε: 0.9198

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 78.0 -0.0345 0.2765
0.35 282.0 0.0289 0.2814
0.45 270.0 0.631 0.1594
0.45 282.0 -0.4115 0.2561
0.55 114.0 0.0341 0.2488
0.55 126.0 0.4394 0.2266
0.55 138.0 -0.373 0.2271
0.55 270.0 -0.0947 0.2144
0.55 282.0 -0.5636 0.2015
0.65 66.0 0.0419 0.2487
0.65 102.0 0.254 0.24
0.65 114.0 -0.1341 0.252
0.65 126.0 0.1114 0.1948
0.65 138.0 -0.3384 0.2459
0.65 150.0 0.3404 0.2505
0.65 210.0 -0.059 0.2225
0.65 222.0 -0.3208 0.1599
0.65 234.0 0.6104 0.2128
0.65 294.0 -0.4321 0.2314
0.75 90.0 -0.1501 0.2313
0.75 102.0 -0.0199 0.2584
0.75 114.0 0.0535 0.2018
0.75 126.0 0.2385 0.1931
0.75 138.0 -0.0324 0.2099
0.75 198.0 -0.3764 0.2245
0.75 210.0 -0.1069 0.2467
0.75 222.0 0.5429 0.1694
0.75 234.0 -0.304 0.1868
0.75 246.0 -0.0215 0.2742
0.75 282.0 0.4074 0.2317
0.75 294.0 0.0883 0.2348
0.85 90.0 0.2637 0.1785
0.85 102.0 0.0258 0.222
0.85 114.0 0.3801 0.242
0.85 186.0 0.4895 0.2112
0.85 198.0 -0.3788 0.176
0.85 210.0 -0.2652 0.2059
0.85 222.0 0.4449 0.1572
0.85 234.0 -0.407 0.17
0.85 246.0 0.1659 0.2189
0.85 282.0 -0.162 0.2549
0.95 234.0 -0.0168 0.226
0.95 246.0 -0.2617 0.2463
Created in SINP MSU, CLAS Collaboration