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Measurement E151M3353

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: 0.0402
Q2: 0.0496 GeV2
W: 1655.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8377

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 258.0 -0.0424 0.2611
0.45 270.0 -0.5551 0.1958
0.55 126.0 0.0331 0.2465
0.55 258.0 0.0385 0.2519
0.55 270.0 0.1491 0.2426
0.65 270.0 0.0292 0.2637
0.65 294.0 0.3742 0.223
0.75 114.0 0.1399 0.263
0.75 210.0 -0.2216 0.2353
0.75 222.0 -0.1897 0.235
0.75 270.0 -0.1391 0.1827
0.75 282.0 -0.0976 0.192
0.75 294.0 -0.0842 0.2541
0.85 102.0 -0.2946 0.2516
0.85 114.0 0.0259 0.2392
0.85 126.0 0.337 0.2383
0.85 198.0 -0.2082 0.2391
0.85 234.0 -0.4805 0.2127
0.85 270.0 0.0386 0.2713
0.35 282.0 -0.2129 0.2154
0.45 258.0 -0.0793 0.2442
0.45 282.0 0.2996 0.2387
0.55 114.0 0.0279 0.2605
0.55 126.0 0.0372 0.2287
0.55 138.0 0.2521 0.2546
0.55 258.0 0.2307 0.237
0.55 270.0 -0.4854 0.2151
0.55 282.0 0.2729 0.2521
0.65 114.0 0.122 0.2397
0.65 126.0 -0.0722 0.2334
0.65 198.0 0.4922 0.2156
0.65 210.0 -0.0462 0.2307
0.65 294.0 -0.1366 0.2565
0.75 54.0 -0.2421 0.2477
0.75 138.0 -0.1588 0.2489
0.75 198.0 -0.1757 0.2071
0.75 222.0 0.4154 0.2124
0.75 234.0 0.3563 0.2222
0.75 270.0 0.1204 0.2002
0.75 282.0 0.3336 0.1821
0.85 102.0 0.0264 0.2292
0.85 114.0 -0.3038 0.2199
0.85 126.0 -0.1286 0.2315
0.85 222.0 -0.1894 0.2291
Created in SINP MSU, CLAS Collaboration