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Measurement E151M3327

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: 0.0441
Q2: 0.0415 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8752

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 126.0 -0.0233 0.2659
0.45 270.0 0.0573 0.2451
0.55 126.0 -0.1698 0.2463
0.55 270.0 -0.1745 0.2295
0.55 282.0 -0.3447 0.2442
0.65 126.0 -0.1882 0.2419
0.65 222.0 0.4094 0.2258
0.75 66.0 -0.158 0.2579
0.75 126.0 -0.1779 0.2362
0.75 138.0 -0.2472 0.2517
0.75 198.0 0.4052 0.248
0.75 210.0 -0.1747 0.2079
0.75 222.0 0.1285 0.2361
0.75 234.0 0.1979 0.224
0.75 270.0 0.056 0.2517
0.75 282.0 0.0326 0.2118
0.85 114.0 0.0061 0.2256
0.85 210.0 -0.1 0.2228
0.45 282.0 0.1886 0.2456
0.55 114.0 0.2942 0.2642
0.55 126.0 -0.2803 0.2219
0.55 270.0 -0.0248 0.2661
0.65 114.0 0.2466 0.2594
0.65 138.0 0.0684 0.2603
0.65 210.0 0.1916 0.2423
0.65 222.0 -0.2322 0.2482
0.75 126.0 0.0456 0.2652
0.75 138.0 -0.0524 0.263
0.75 210.0 -0.3825 0.2284
0.75 234.0 0.0557 0.241
0.75 282.0 0.1612 0.2352
0.85 102.0 0.049 0.2657
0.85 114.0 0.0268 0.2327
0.85 126.0 -0.1675 0.2337
0.85 210.0 -0.058 0.2362
0.85 222.0 -0.0106 0.2378
0.85 234.0 0.0333 0.2683
Created in SINP MSU, CLAS Collaboration