CLAS Physics Database

Measurement E141M58

Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS
Year: 2014

Experiment comment:

polarization of electron beam : ~80%
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Reaction: ep → π+n
Polarization: beam
Quantity: dσ/dΩ
Q2: 2.6 GeV2
W: 1.715 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.2758 0.0523
-0.9 45.0 0.3536 0.0629
-0.9 75.0 0.4342 0.085
-0.9 105.0 0.3958 0.0791
-0.9 135.0 0.3324 0.0672
-0.9 165.0 0.2468 0.079
-0.9 195.0 0.2571 0.0547
-0.9 225.0 0.253 0.0548
-0.9 255.0 0.2392 0.0603
-0.9 285.0 0.2906 0.0536
-0.9 315.0 0.2845 0.0465
-0.9 345.0 0.2876 0.0455
-0.7 15.0 0.2868 0.0511
-0.7 45.0 0.3467 0.0552
-0.7 75.0 0.3034 0.0497
-0.7 105.0 0.2455 0.0344
-0.7 135.0 0.2132 0.0357
-0.7 165.0 0.1743 0.0328
-0.7 195.0 0.2303 0.0444
-0.7 225.0 0.266 0.0447
-0.7 255.0 0.3127 0.0429
-0.7 285.0 0.2841 0.0521
-0.5 15.0 0.2122 0.0743
-0.5 45.0 0.3145 0.0596
-0.5 75.0 0.2927 0.053
-0.5 105.0 0.3751 0.0484
-0.5 135.0 0.3161 0.0525
-0.5 165.0 0.2777 0.0405
-0.5 195.0 0.3096 0.0473
-0.5 225.0 0.2868 0.0394
-0.5 255.0 0.4026 0.0517
-0.5 285.0 0.3776 0.0522
-0.5 315.0 0.1874 0.0332
-0.3 15.0 0.2735 0.0764
-0.3 45.0 0.3239 0.0627
-0.3 75.0 0.4627 0.0619
-0.3 105.0 0.5009 0.0636
-0.3 135.0 0.4057 0.0504
-0.3 165.0 0.3941 0.0461
-0.3 195.0 0.3998 0.0469
-0.3 225.0 0.3995 0.0517
-0.3 255.0 0.4081 0.0507
-0.3 285.0 0.4413 0.0581
-0.1 15.0 0.1923 0.0658
-0.1 45.0 0.4459 0.0962
-0.1 75.0 0.611 0.083
-0.1 105.0 0.5706 0.0701
-0.1 135.0 0.5127 0.0647
-0.1 165.0 0.3262 0.0352
-0.1 195.0 0.3642 0.04
-0.1 225.0 0.4033 0.0489
-0.1 255.0 0.5061 0.0583
-0.1 285.0 0.5739 0.08
-0.1 315.0 0.494 0.1167
0.1 45.0 0.4593 0.069
0.1 75.0 0.7492 0.0977
0.1 105.0 0.5851 0.0709
0.1 135.0 0.4956 0.0627
0.1 165.0 0.3335 0.0367
0.1 195.0 0.3808 0.0405
0.1 225.0 0.5448 0.0708
0.1 255.0 0.4847 0.0589
0.1 285.0 0.6576 0.0987
0.1 315.0 0.5115 0.0937
0.3 15.0 0.3085 0.0666
0.3 45.0 0.5134 0.0575
0.3 75.0 0.7444 0.0754
0.3 105.0 0.7582 0.0914
0.3 135.0 0.5252 0.056
0.3 165.0 0.3908 0.0331
0.3 195.0 0.4464 0.0394
0.3 225.0 0.4169 0.0467
0.3 255.0 0.524 0.0677
0.3 285.0 0.6967 0.0966
0.3 315.0 0.5028 0.0612
0.3 345.0 0.5129 0.1525
0.5 15.0 0.2988 0.0575
0.5 45.0 0.5517 0.0738
0.5 75.0 0.6745 0.0734
0.5 105.0 0.9905 0.13
0.5 135.0 0.5639 0.0755
0.5 165.0 0.2927 0.0316
0.5 195.0 0.2749 0.0305
0.5 225.0 0.4779 0.0649
0.5 255.0 0.7674 0.1217
0.5 285.0 0.8706 0.1261
0.5 315.0 0.4643 0.0747
0.5 345.0 0.392 0.0838
0.7 15.0 0.4738 0.0572
0.7 45.0 0.599 0.0775
0.7 75.0 0.8371 0.0949
0.7 105.0 0.9666 0.1207
0.7 135.0 0.8143 0.1185
0.7 165.0 0.7054 0.0893
0.7 195.0 0.6082 0.0807
0.7 225.0 0.7708 0.1214
0.7 255.0 0.8154 0.1179
0.7 285.0 0.737 0.1108
0.7 315.0 0.5739 0.0806
0.7 345.0 0.3787 0.0475
0.9 15.0 0.901 0.0862
0.9 45.0 0.5554 0.0576
0.9 75.0 0.6738 0.0706
0.9 105.0 0.8891 0.0918
0.9 135.0 0.8054 0.0929
0.9 165.0 1.0959 0.1309
0.9 195.0 1.0308 0.1215
0.9 225.0 1.025 0.1121
0.9 255.0 0.758 0.0787
0.9 285.0 0.725 0.0744
0.9 315.0 0.6142 0.0665
0.9 345.0 0.8773 0.0838