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Measurement E151M1713

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: 0.4406
Q2: 0.0844 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9583

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 -0.7049 0.5437 0.0522
0.25 78.0 -0.1434 0.6266 0.0312
0.25 294.0 -0.1257 0.62 0.031
0.25 306.0 -0.0912 0.5744 0.0305
0.35 66.0 -0.4584 0.408 0.0409
0.35 78.0 0.0607 0.4693 0.0302
0.35 294.0 0.6967 0.6572 0.0518
0.45 66.0 -0.4074 0.4388 0.0389
0.45 78.0 -0.2285 0.3735 0.033
0.45 90.0 -1.0689 0.5968 0.0714
0.45 282.0 -0.1736 0.5558 0.0318
0.55 66.0 -0.4954 0.5861 0.0424
0.55 78.0 -0.0067 0.3831 0.03
0.55 90.0 -0.2599 0.5082 0.0339
0.55 258.0 0.5519 0.6499 0.0449
0.55 270.0 -0.7335 0.4441 0.0536
0.55 282.0 0.7934 0.4277 0.0567
0.65 78.0 0.4319 0.4737 0.0398
0.65 90.0 -0.3575 0.5471 0.037
0.65 102.0 0.5649 0.612 0.0455
0.65 258.0 0.0329 0.3627 0.0301
0.65 270.0 0.0213 0.3503 0.03
0.65 282.0 0.2757 0.4398 0.0343
0.75 90.0 -0.8415 0.5374 0.0592
0.75 102.0 0.0256 0.5707 0.03
0.75 114.0 -0.1903 0.4761 0.0321
0.75 126.0 0.0172 0.4897 0.03
0.75 138.0 0.7611 0.7058 0.055
0.75 234.0 -0.2082 0.5431 0.0325
0.75 246.0 -0.3213 0.4445 0.0358
0.75 258.0 -0.0673 0.3513 0.0303
0.75 270.0 0.1557 0.3234 0.0314
0.75 282.0 0.7412 0.3974 0.054
0.85 90.0 -0.1982 0.6236 0.0323
0.85 102.0 -0.5241 0.379 0.0437
0.85 114.0 -0.2021 0.3236 0.0324
0.85 126.0 0.0559 0.3711 0.0302
0.85 138.0 0.351 0.389 0.0368
0.85 150.0 0.206 0.3935 0.0325
0.85 162.0 -0.3728 0.5867 0.0376
0.85 174.0 -0.067 0.6564 0.0303
0.85 222.0 0.9237 0.5263 0.0635
0.85 234.0 -0.9103 0.4195 0.0628
0.85 246.0 0.4658 0.3523 0.0412
0.85 258.0 0.1458 0.3246 0.0313
0.85 270.0 0.9699 0.3146 0.066
0.95 102.0 1.1729 0.5158 0.0771
0.95 114.0 0.1114 0.4372 0.0308
0.95 126.0 0.243 0.3788 0.0334
0.95 138.0 0.7393 0.3282 0.0539
0.95 150.0 0.5259 0.3936 0.0438
0.95 162.0 -0.0759 0.4077 0.0304
0.95 174.0 0.0067 0.3951 0.03
0.95 186.0 -0.2331 0.514 0.0332
0.95 198.0 0.5072 0.5439 0.0429
0.95 210.0 -0.6344 0.537 0.0488
0.95 222.0 -0.3443 0.5669 0.0365
0.95 234.0 1.1912 0.3719 0.0782
0.95 246.0 0.139 0.5361 0.0312
0.95 258.0 0.0928 0.5277 0.0305
Created in SINP MSU, CLAS Collaboration