CLAS Physics Database

Measurement E8M71

Experiment: E89-038 CLAS experiment
Year: 1999

Measurement comment:

Global 5.8% scaling systematic uncertainty

Experiment comment:

Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points
Spokespersons: V. Burkert, R. Minehart
Reaction: ep → π+n
Polarization: none
Quantity: dσ/dΩ
Q2: 0.55 — 0.65 GeV2
W: 1.14 — 1.16 GeV
Ebeam: 1.515 GeV
Publication:
under preparation //

Slice: θπ = deg

Measurement data
θπ, [deg] φπ, [deg] dσ/dΩ, [μb/sr] uncertainty
7.5 135.0 3.221 1.37
22.5 15.0 1.575 0.5635
22.5 45.0 3.175 0.9893
22.5 75.0 4.447 1.485
22.5 105.0 5.115 1.08
22.5 135.0 3.889 0.6696
22.5 165.0 4.135 0.6083
22.5 195.0 3.848 0.5461
22.5 225.0 3.792 0.6724
22.5 255.0 6.203 2.292
22.5 285.0 4.493 0.9927
22.5 315.0 3.482 1.45
22.5 345.0 1.671 0.8627
37.5 75.0 3.865 0.7563
37.5 105.0 5.518 0.9719
37.5 135.0 3.826 0.4552
37.5 165.0 3.313 0.4035
37.5 195.0 3.613 0.4381
37.5 225.0 4.585 0.5775
37.5 255.0 4.394 0.6518
37.5 285.0 4.641 1.169
37.5 315.0 2.042 0.6999
52.5 75.0 4.099 0.6845
52.5 105.0 5.136 0.7976
52.5 135.0 4.711 0.5917
52.5 165.0 3.855 0.3736
52.5 195.0 3.464 0.3656
52.5 225.0 4.729 0.6216
52.5 255.0 5.166 0.7248
52.5 285.0 4.403 0.6536
67.5 45.0 3.013 0.4182
67.5 75.0 4.659 0.4668
67.5 105.0 6.505 0.6811
67.5 135.0 5.285 0.6373
67.5 165.0 3.933 0.4122
67.5 195.0 4.875 0.4726
67.5 225.0 6.226 0.7334
67.5 255.0 5.109 0.572
67.5 285.0 4.797 0.4872
67.5 315.0 2.723 0.3749
82.5 45.0 3.764 0.4431
82.5 75.0 4.981 0.4001
82.5 105.0 6.47 0.6526
82.5 135.0 3.967 0.5378
82.5 165.0 3.451 0.3777
82.5 195.0 4.526 0.4945
82.5 225.0 5.551 0.832
82.5 255.0 5.512 0.5386
82.5 285.0 5.101 0.3956
82.5 315.0 4.192 0.4843
97.5 45.0 3.934 0.6626
97.5 75.0 5.24 0.4476
97.5 105.0 6.738 0.5933
97.5 135.0 4.698 0.5274
97.5 165.0 3.213 0.3609
97.5 195.0 3.468 0.3561
97.5 225.0 5.299 0.7408
97.5 255.0 7.122 0.627
97.5 285.0 6.211 0.5126
97.5 315.0 5.142 0.7859
112.5 15.0 1.256 0.4549
112.5 45.0 3.745 0.5528
112.5 75.0 4.54 0.6005
112.5 105.0 5.586 0.5048
112.5 135.0 5.379 0.8065
112.5 165.0 3.28 0.4553
112.5 195.0 2.869 0.4168
112.5 225.0 4.612 0.5828
112.5 255.0 5.989 0.5018
112.5 285.0 5.5 0.6809
112.5 315.0 3.325 0.5599
127.5 15.0 1.778 1.194
127.5 45.0 2.743 0.4708
127.5 75.0 5.514 1.343
127.5 105.0 4.616 0.5064
127.5 135.0 4.821 1.026
127.5 165.0 3.839 0.9656
127.5 195.0 3.038 0.602
127.5 225.0 4.072 0.7307
127.5 255.0 5.41 0.6712
127.5 285.0 5.594 0.8833
127.5 315.0 4.935 0.8169
142.5 15.0 2.527 1.367
142.5 45.0 3.56 0.9914
142.5 75.0 7.34 2.062
142.5 105.0 7.383 2.551
142.5 255.0 6.895 1.677
142.5 285.0 2.988 1.28
142.5 315.0 7.04 2.098