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Measurement E151M3560

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: 0.2168
Q2: 0.348 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.8615

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 270.0 -0.2468 0.2697
0.55 90.0 -0.1798 0.2133
0.55 102.0 0.4915 0.2001
0.55 126.0 0.052 0.2862
0.55 270.0 -0.2243 0.2733
0.55 294.0 0.2558 0.2632
0.55 306.0 -0.061 0.2574
0.65 90.0 -0.3393 0.2408
0.65 102.0 0.1434 0.2218
0.65 114.0 -0.1451 0.2813
0.65 126.0 -0.0296 0.2645
0.65 210.0 -0.0741 0.2787
0.65 234.0 0.0274 0.2533
0.65 246.0 0.0331 0.2551
0.65 306.0 0.0735 0.2591
0.75 66.0 0.1006 0.2531
0.75 78.0 0.2575 0.1943
0.75 102.0 -0.2087 0.2171
0.75 114.0 -0.1115 0.2275
0.75 126.0 -0.2674 0.2509
0.75 210.0 0.1551 0.2332
0.75 222.0 0.2394 0.2397
0.75 234.0 0.3165 0.1875
0.75 246.0 -0.3197 0.2322
0.75 282.0 0.1731 0.2686
0.75 294.0 0.0298 0.2518
0.85 66.0 -0.0344 0.1976
0.85 78.0 0.483 0.1554
0.85 90.0 0.2415 0.2194
0.85 198.0 0.2538 0.2278
0.85 210.0 0.2931 0.2491
0.85 222.0 0.034 0.2133
0.85 234.0 0.0444 0.1816
0.85 246.0 -0.1541 0.1806
0.85 258.0 0.3143 0.1901
0.85 270.0 -0.5063 0.2355
0.95 78.0 0.008 0.2603
0.95 174.0 -0.0813 0.2779
0.95 186.0 0.3154 0.2606
0.95 210.0 -0.1451 0.2298
0.95 222.0 0.5001 0.2212
0.95 234.0 -0.2699 0.196
0.95 246.0 -0.2601 0.2008
0.95 258.0 -0.1576 0.2146
0.95 270.0 0.015 0.213
0.95 282.0 -0.1978 0.21
0.95 294.0 -0.0778 0.2262
0.95 306.0 0.0376 0.2728
Created in SINP MSU, CLAS Collaboration