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Measurement E151M2347

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: 0.1176
Q2: 0.1715 GeV2
W: 1685.0 GeV
Ebeam: 2.999 GeV
ε: 0.8837

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 -1.0346 0.8231 0.0808
0.25 282.0 -0.4722 0.8726 0.0455
0.35 66.0 0.0003 0.7847 0.03
0.35 114.0 0.0663 0.8314 0.0304
0.35 258.0 0.2715 0.8261 0.0359
0.35 270.0 -0.5387 0.8041 0.0493
0.35 282.0 0.225 0.6572 0.0341
0.35 294.0 0.0563 0.7555 0.0303
0.45 78.0 1.3023 0.9344 0.0991
0.45 102.0 -0.5691 0.8236 0.051
0.45 114.0 -0.415 0.7236 0.0425
0.45 126.0 0.7329 0.6763 0.061
0.45 270.0 -1.0457 0.6898 0.0815
0.45 282.0 -0.7934 0.5671 0.0649
0.55 42.0 0.1646 0.8164 0.0323
0.55 66.0 0.1532 0.8158 0.032
0.55 90.0 0.3109 0.7996 0.0375
0.55 102.0 0.2946 0.6039 0.0368
0.55 114.0 0.0699 0.6459 0.0304
0.55 126.0 0.6513 0.6931 0.0559
0.55 138.0 -0.4368 0.7127 0.0436
0.55 210.0 -0.2622 0.7609 0.0355
0.55 258.0 0.4162 0.8681 0.0426
0.55 270.0 -0.425 0.6733 0.043
0.55 294.0 0.6445 0.8009 0.0555
0.65 54.0 0.1505 0.6464 0.0319
0.65 66.0 -0.0961 0.8604 0.0308
0.65 90.0 0.5172 0.9016 0.048
0.65 102.0 0.1919 0.5601 0.0331
0.65 114.0 -0.8814 0.6193 0.0706
0.65 126.0 -0.0084 0.5875 0.03
0.65 138.0 0.1868 0.8964 0.0329
0.65 186.0 -0.2708 0.8858 0.0359
0.65 198.0 -0.1088 0.7598 0.031
0.65 210.0 0.069 0.672 0.0304
0.65 222.0 -0.4746 0.667 0.0457
0.65 234.0 -0.0333 0.6487 0.0301
0.65 282.0 -0.0064 0.5787 0.03
0.65 294.0 -0.818 0.5084 0.0665
0.65 306.0 0.0648 0.6984 0.0304
0.75 78.0 0.5925 0.6977 0.0524
0.75 90.0 0.143 0.571 0.0317
0.75 102.0 -0.5234 0.7041 0.0484
0.75 114.0 -0.1898 0.551 0.033
0.75 126.0 0.2576 0.5816 0.0353
0.75 138.0 0.6194 0.6288 0.054
0.75 174.0 1.1782 0.7524 0.0905
0.75 186.0 0.3643 0.6185 0.04
0.75 198.0 0.0212 0.6036 0.03
0.75 210.0 0.2269 0.5869 0.0342
0.75 222.0 0.0067 0.6047 0.03
0.75 234.0 -0.4619 0.5662 0.045
0.75 246.0 0.2699 0.6623 0.0358
0.75 258.0 1.0122 0.8363 0.0793
0.75 270.0 0.1069 0.7445 0.031
0.75 282.0 -0.0237 0.5042 0.03
0.75 294.0 0.7475 0.5724 0.062
0.85 78.0 0.3234 0.521 0.0381
0.85 90.0 -0.0238 0.5179 0.03
0.85 102.0 0.1133 0.5354 0.0311
0.85 114.0 0.7165 0.5798 0.06
0.85 126.0 0.5757 0.7875 0.0514
0.85 150.0 0.7097 0.8255 0.0596
0.85 174.0 -1.6444 0.8389 0.123
0.85 186.0 -0.0959 0.5743 0.0308
0.85 198.0 -0.2102 0.5714 0.0337
0.85 210.0 -0.2883 0.4395 0.0366
0.85 222.0 0.6787 0.4688 0.0576
0.85 234.0 -0.5211 0.4379 0.0482
0.85 246.0 1.0283 0.5188 0.0804
0.85 258.0 -0.7191 0.6087 0.0602
0.85 270.0 -1.5667 0.6714 0.1175
0.85 282.0 -0.5042 0.7872 0.0473
0.95 90.0 0.3826 0.7671 0.0409
0.95 102.0 0.2801 0.6126 0.0362
0.95 174.0 -0.8174 0.7612 0.0664
0.95 186.0 0.6696 0.7472 0.0571
0.95 198.0 -0.5489 0.662 0.0498
0.95 210.0 -1.1856 0.4983 0.0911
0.95 222.0 0.025 0.5232 0.0301
0.95 234.0 0.6009 0.4974 0.0529
0.95 246.0 -0.4148 0.4719 0.0425
0.95 258.0 -0.1555 0.6174 0.032
0.95 270.0 1.3155 0.669 0.1
Created in SINP MSU, CLAS Collaboration