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Measurement E151M1173

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: AUL
εL: 0.0416
Q2: 0.0844 GeV2
W: 1805.0 GeV
Ebeam: 2.999 GeV
ε: 0.848

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.45 270.0 -0.4638 0.8009 0.0453
0.55 138.0 -0.5916 0.9295 0.0526
0.65 126.0 -2.5152 0.4361 0.1863
0.65 138.0 -1.1238 0.7693 0.0874
0.65 198.0 0.1968 1.0006 0.0333
0.65 210.0 -0.8468 0.827 0.0688
0.65 270.0 -1.3567 0.6335 0.1036
0.65 282.0 -0.66 0.8097 0.0568
0.75 90.0 0.7487 0.9552 0.0624
0.75 102.0 -0.2878 0.6453 0.0366
0.75 114.0 0.1951 0.9215 0.0332
0.75 186.0 -0.5174 0.8662 0.0483
0.75 198.0 -0.2191 0.7376 0.034
0.75 210.0 0.7058 0.8458 0.0597
0.75 222.0 1.9574 0.8871 0.1462
0.75 258.0 -0.2001 0.9255 0.0334
0.75 270.0 1.5336 0.8819 0.116
0.75 282.0 -0.9595 0.6179 0.0763
0.85 90.0 -0.071 0.8196 0.0304
0.85 102.0 -0.143 0.6904 0.0318
0.85 114.0 0.7942 0.8004 0.0653
0.85 126.0 -0.4567 0.729 0.0449
0.85 138.0 1.1365 0.9309 0.0883
0.85 174.0 0.7625 0.9122 0.0633
0.85 186.0 0.7002 0.7664 0.0593
0.85 198.0 -0.0546 0.5999 0.0303
0.85 210.0 -0.6051 0.5434 0.0534
0.85 222.0 0.2552 0.8017 0.0353
0.85 234.0 -0.3688 0.9186 0.0403
0.85 270.0 -0.704 0.7816 0.0596
0.85 282.0 -0.6422 0.7159 0.0557
0.95 210.0 0.7392 0.966 0.0618
0.95 222.0 0.6765 0.9469 0.0578
Created in SINP MSU, CLAS Collaboration