CLAS Physics Database

Measurement E151M2013

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: 0.192
Q2: 0.0707 GeV2
W: 1385.0 GeV
Ebeam: 2.2596 GeV
ε: 0.947

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 66.0 -0.1322 0.6196 0.0318
0.25 54.0 1.8068 1.1005 0.1687
0.25 66.0 -2.897 0.8359 0.2679
0.25 78.0 0.1602 1.291 0.0334
0.25 294.0 0.7562 0.8398 0.0757
0.25 306.0 0.3071 1.038 0.0412
0.35 66.0 -0.3292 0.8065 0.0426
0.35 78.0 0.8342 1.0036 0.0823
0.35 282.0 0.8507 0.6876 0.0837
0.35 294.0 -1.5131 0.7219 0.1423
0.35 306.0 0.414 0.9933 0.0485
0.45 66.0 -1.4648 0.8446 0.1379
0.45 78.0 1.542 0.8684 0.1449
0.45 90.0 -0.5327 1.349 0.0574
0.45 270.0 0.0658 0.9514 0.0306
0.45 282.0 0.9284 0.8195 0.0904
0.45 294.0 0.9829 0.6963 0.0952
0.55 66.0 -0.0101 1.1469 0.03
0.55 78.0 2.1532 0.919 0.2001
0.55 90.0 0.8364 1.0299 0.0825
0.55 102.0 -0.1458 1.0307 0.0329
0.55 114.0 -1.1826 1.2632 0.1128
0.55 258.0 -0.4975 1.0764 0.0547
0.55 270.0 1.4319 0.9713 0.135
0.55 282.0 -0.7545 0.7405 0.0755
0.55 294.0 -1.4831 0.894 0.1396
0.65 78.0 -1.5719 1.1917 0.1475
0.65 90.0 -0.3304 1.029 0.0427
0.65 102.0 -1.6542 0.95 0.155
0.65 114.0 -2.6106 0.8726 0.2418
0.65 126.0 1.1467 0.9138 0.1096
0.65 138.0 0.857 1.328 0.0843
0.65 222.0 -1.9648 1.0723 0.183
0.65 234.0 -2.0743 1.0303 0.193
0.65 246.0 0.6947 0.7858 0.0705
0.65 258.0 1.9943 0.9109 0.1857
0.65 270.0 0.2737 0.8947 0.0391
0.65 282.0 -0.3616 1.0135 0.0448
0.65 294.0 0.5485 1.1265 0.0587
0.75 90.0 1.3135 1.5684 0.1244
0.75 102.0 0.9621 1.2196 0.0934
0.75 114.0 -0.4104 0.9403 0.0482
0.75 126.0 -1.5238 0.9516 0.1432
0.75 138.0 1.3531 1.014 0.1279
0.75 150.0 1.7616 1.3865 0.1647
0.75 198.0 -2.7608 1.3711 0.2555
0.75 210.0 -1.512 1.1481 0.1422
0.75 222.0 -0.0094 0.9252 0.03
0.75 234.0 0.7829 0.8785 0.078
0.75 246.0 1.1379 0.8802 0.1088
0.75 258.0 0.7436 0.812 0.0746
0.75 270.0 0.7751 0.9743 0.0773
0.85 90.0 -1.0653 1.699 0.1024
0.85 102.0 0.5187 1.486 0.0563
0.85 114.0 0.3995 1.1642 0.0474
0.85 126.0 0.8719 1.0948 0.0856
0.85 138.0 2.1195 1.1762 0.1971
0.85 150.0 -0.6822 1.5133 0.0695
0.85 210.0 -1.8546 1.2822 0.1731
0.85 222.0 0.0556 1.2883 0.0304
0.85 234.0 -0.6747 0.9304 0.0689
0.85 246.0 -0.0483 0.8154 0.0303
0.85 258.0 0.5914 0.896 0.0621
0.85 270.0 0.4458 0.9558 0.0508
0.95 102.0 3.5753 4.4829 0.3299
0.95 222.0 2.4258 4.3288 0.2249
0.95 234.0 4.1979 3.2464 0.387
0.95 246.0 -4.476 2.9842 0.4125
0.95 258.0 2.463 2.9199 0.2283
0.15 306.0 -0.7617 0.6522 0.0579
0.25 66.0 0.6471 0.5571 0.0517
0.25 78.0 1.2014 0.6723 0.0837
0.25 294.0 -0.7902 0.4943 0.0595
0.25 306.0 -0.0289 0.6794 0.0301
0.35 54.0 1.4961 0.5756 0.1018
0.35 66.0 -0.1867 0.5373 0.0324
0.35 78.0 -0.0717 0.4741 0.0304
0.35 282.0 -0.2791 0.4981 0.0351
0.35 294.0 0.5788 0.4326 0.0481
0.35 306.0 -1.0486 0.5484 0.0745
0.45 66.0 -0.1566 0.5005 0.0317
0.45 78.0 -0.5605 0.4294 0.0472
0.45 90.0 1.204 0.5738 0.0839
0.45 270.0 -0.3291 0.6988 0.0369
0.45 282.0 -1.045 0.4548 0.0743
0.45 294.0 0.2012 0.4459 0.0327
0.55 66.0 0.1957 0.5474 0.0326
0.55 78.0 -0.3388 0.4743 0.0372
0.55 90.0 0.4474 0.6095 0.0418
0.55 102.0 -0.05 0.6629 0.0302
0.55 114.0 1.185 0.6863 0.0827
0.55 258.0 0.7768 0.6421 0.0588
0.55 270.0 0.8472 0.515 0.0627
0.55 282.0 -0.5116 0.4764 0.0448
0.55 294.0 0.2685 0.5557 0.0347
0.65 66.0 -0.1714 0.5824 0.032
0.65 78.0 -0.3936 0.6269 0.0394
0.65 90.0 0.4572 0.5489 0.0422
0.65 102.0 0.5689 0.5919 0.0476
0.65 114.0 0.3685 0.4904 0.0384
0.65 126.0 0.1514 0.5677 0.0316
0.65 138.0 -0.6845 0.7501 0.0537
0.65 222.0 -0.2535 0.8488 0.0342
0.65 234.0 0.6327 0.6117 0.0509
0.65 246.0 0.5643 0.609 0.0474
0.65 258.0 -0.0769 0.5701 0.0304
0.65 270.0 1.0926 0.5762 0.0771
0.65 282.0 -0.4119 0.5985 0.0402
0.65 294.0 -0.1214 0.5941 0.031
0.75 90.0 0.2275 0.7164 0.0335
0.75 102.0 0.2057 0.5722 0.0328
0.75 114.0 -0.1949 0.4589 0.0326
0.75 126.0 -0.1221 0.5106 0.031
0.75 138.0 -0.79 0.6055 0.0595
0.75 150.0 -1.6852 0.7491 0.1137
0.75 162.0 -0.5347 0.8752 0.0459
0.75 210.0 0.5007 0.6503 0.0443
0.75 222.0 0.715 0.6413 0.0553
0.75 234.0 -0.2544 0.5618 0.0343
0.75 246.0 -0.5483 0.4905 0.0466
0.75 258.0 0.6853 0.4724 0.0537
0.75 270.0 1.2615 0.6938 0.0874
0.75 282.0 -1.6587 0.6359 0.112
0.85 102.0 0.1118 0.7343 0.0309
0.85 114.0 -0.0704 0.5568 0.0303
0.85 126.0 -0.8101 0.5729 0.0606
0.85 138.0 0.0568 0.6395 0.0302
0.85 150.0 -0.6166 0.8602 0.0501
0.85 162.0 -1.1225 0.9345 0.0789
0.85 198.0 -1.106 0.9184 0.078
0.85 210.0 -1.0903 0.7269 0.077
0.85 222.0 -0.6519 0.6898 0.0519
0.85 234.0 0.4496 0.5788 0.0419
0.85 246.0 0.8146 0.5851 0.0609
0.85 258.0 0.1449 0.5151 0.0314
0.85 270.0 0.208 0.5244 0.0329
0.85 282.0 0.061 0.7814 0.0303
0.95 234.0 0.059 1.0612 0.0302
0.95 246.0 -0.4949 0.9451 0.044
0.95 258.0 -0.193 0.948 0.0325
0.95 270.0 1.0301 1.2319 0.0734