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Measurement E151M2770

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: 0.3394
Q2: 0.205 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7262

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 234.0 0.0422 0.2664
0.65 246.0 -0.1524 0.3543
0.65 258.0 -0.2927 0.2098
0.75 114.0 0.319 0.3533
0.75 126.0 0.8054 0.1648
0.75 234.0 0.5215 0.2652
0.75 246.0 -0.2383 0.3092
0.75 258.0 0.482 0.2373
0.85 114.0 0.2537 0.376
0.85 138.0 0.1041 0.397
0.85 246.0 -0.4794 0.3488
0.85 258.0 0.7118 0.3117
0.85 270.0 -0.2638 0.3433
0.85 282.0 0.192 0.3709
0.85 294.0 0.3219 0.3409
0.95 66.0 0.0909 0.4299
0.95 270.0 -0.0186 0.3819
0.95 282.0 0.3424 0.3453
0.95 294.0 0.497 0.2351
0.65 270.0 0.2523 0.2499
0.75 114.0 0.013 0.2689
0.75 126.0 -0.1376 0.2921
0.75 234.0 -0.3768 0.2288
0.75 246.0 0.1238 0.2341
0.75 258.0 0.1286 0.2539
0.75 270.0 0.0713 0.2589
0.75 282.0 0.0453 0.284
0.85 114.0 -0.3032 0.2689
0.85 126.0 0.4328 0.2306
0.85 150.0 -0.1094 0.2646
0.85 234.0 0.4034 0.2451
0.85 258.0 -0.2059 0.2473
0.85 270.0 -0.4583 0.2159
0.85 282.0 0.4745 0.2123
0.85 294.0 0.082 0.2749
0.95 90.0 -0.1997 0.2701
0.95 282.0 0.3345 0.2198
0.95 294.0 0.1267 0.2628
Created in SINP MSU, CLAS Collaboration