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Measurement E151M1442

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: ALL
εL: 0.2494
Q2: 0.0348 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9399

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 42.0 -0.1084 0.4496 0.0381
0.25 30.0 0.0939 0.6291 0.0305
0.25 42.0 0.5949 0.4458 0.0476
0.25 54.0 0.3924 0.4914 0.0458
0.35 42.0 0.1608 0.4706 0.043
0.45 258.0 0.3134 0.7631 0.0351
0.45 270.0 0.2859 0.6575 0.0343
0.45 282.0 0.3734 0.5902 0.037
0.55 246.0 0.8142 0.5407 0.056
0.55 258.0 -0.3725 0.5183 0.037
0.55 270.0 0.2774 0.4504 0.0341
0.55 282.0 0.385 0.485 0.0374
0.65 246.0 1.0358 0.5625 0.0673
0.65 258.0 0.266 0.3916 0.0338
0.65 270.0 -0.3708 0.3716 0.0369
0.65 282.0 -0.1323 0.4746 0.031
0.75 126.0 0.7434 0.7679 0.0526
0.75 138.0 0.1878 0.7524 0.0319
0.75 150.0 -0.6418 0.7195 0.0479
0.75 162.0 1.0594 0.7234 0.0685
0.75 174.0 0.6953 0.9402 0.0503
0.75 222.0 0.906 0.6249 0.0606
0.75 234.0 0.2215 0.5303 0.0326
0.75 246.0 0.0164 0.3982 0.03
0.75 258.0 0.4144 0.4198 0.0385
0.75 270.0 0.3088 0.3999 0.035
0.75 282.0 -0.1943 0.6538 0.0321
0.85 114.0 0.0252 0.945 0.03
0.85 126.0 -0.8035 0.5851 0.0555
0.85 138.0 -0.6368 0.484 0.0477
0.85 150.0 0.4645 0.5009 0.0404
0.85 162.0 0.1906 0.5587 0.032
0.85 174.0 0.3806 0.4737 0.0373
0.85 186.0 0.3576 0.4778 0.0365
0.85 198.0 -1.0859 0.487 0.0699
0.85 210.0 -0.8043 0.5325 0.0556
0.85 234.0 0.3347 0.6551 0.0358
0.85 246.0 0.2351 0.4785 0.033
0.85 258.0 0.7017 0.3867 0.0506
0.85 270.0 1.2676 0.3302 0.0796
0.95 150.0 -1.166 0.5231 0.0741
0.95 162.0 -0.443 0.648 0.0395
0.95 174.0 0.4807 0.5661 0.041
0.35 54.0 -0.4668 0.6155 0.041
0.45 270.0 -0.4512 0.4753 0.0404
0.45 282.0 -0.4778 0.4 0.0415
0.55 246.0 -0.1056 0.5646 0.0307
0.55 258.0 -0.3267 0.4259 0.0358
0.55 270.0 -0.2046 0.3473 0.0324
0.55 282.0 -0.3578 0.47 0.0369
0.65 234.0 -0.1186 0.5821 0.0308
0.65 246.0 -0.4216 0.368 0.0392
0.65 258.0 -0.4388 0.2736 0.0399
0.65 270.0 0.2858 0.3232 0.0345
0.65 282.0 -0.1478 0.4388 0.0313
0.75 126.0 -0.9667 0.4602 0.0652
0.75 138.0 0.1904 0.4704 0.0321
0.75 150.0 -0.4663 0.5462 0.041
0.75 162.0 -0.6089 0.4693 0.0472
0.75 174.0 -0.1872 0.6296 0.032
0.75 186.0 0.439 0.5955 0.0399
0.75 198.0 0.5798 0.5214 0.0459
0.75 210.0 0.4031 0.5585 0.0385
0.75 222.0 -0.0406 0.5684 0.0301
0.75 234.0 0.2987 0.4587 0.0349
0.75 246.0 -0.0225 0.3593 0.03
0.75 258.0 -0.4879 0.2944 0.0419
0.75 270.0 -0.0466 0.2891 0.0301
0.75 282.0 -0.0269 0.4149 0.03
0.85 114.0 0.3499 0.6367 0.0366
0.85 126.0 0.0173 0.4414 0.03
0.85 138.0 -0.0158 0.4388 0.03
0.85 150.0 0.4656 0.3263 0.041
0.85 162.0 0.9455 0.3686 0.0641
0.85 174.0 0.3364 0.3562 0.0361
0.85 186.0 0.046 0.4018 0.0301
0.85 198.0 0.3691 0.5168 0.0373
0.85 210.0 0.2501 0.5877 0.0335
0.85 222.0 0.3332 0.494 0.036
0.85 234.0 -0.7092 0.4254 0.052
0.85 246.0 -0.0064 0.3866 0.03
0.85 258.0 0.2489 0.3589 0.0335
0.85 270.0 0.1445 0.4001 0.0312
0.95 150.0 -0.1782 0.5477 0.0318
0.95 162.0 0.2166 0.5 0.0327
0.95 174.0 0.2639 0.4244 0.0339
0.95 186.0 0.4616 0.4866 0.0408
Created in SINP MSU, CLAS Collaboration