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Measurement E8M71

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Experiment: E89-038 CLAS experiment, 1999

Spokespersons: V. Burkert, R. Minehart

Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points

Measurement comment: Global 5.8% scaling systematic uncertainty

Publication:

Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 0.55 — 0.65 GeV2
W : 1.14 — 1.16 GeV
Ebeam : 1.515 GeV

Select data slice:
θπ = deg

Fit φ dependence:

 Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

θπ,
deg 		φπ,
deg 		dσ/dΩ,
mcbn/sterad 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
7.5 135 3.221 1.37 0.4391
22.5 15 1.575 0.5635 0.3214
22.5 45 3.175 0.9893 0.3417
22.5 75 4.447 1.485 0.3642
22.5 105 5.115 1.08 0.4
22.5 135 3.889 0.6696 0.3506
22.5 165 4.135 0.6083 0.3511
22.5 195 3.848 0.5461 0.3661
22.5 225 3.792 0.6724 0.3452
22.5 255 6.203 2.292 0.5129
22.5 285 4.493 0.9927 0.3698
22.5 315 3.482 1.45 0.3429
22.5 345 1.671 0.8627 0.3168
37.5 75 3.865 0.7563 0.3665
37.5 105 5.518 0.9719 0.3741
37.5 135 3.826 0.4552 0.3537
37.5 165 3.313 0.4035 0.3587
37.5 195 3.613 0.4381 0.3385
37.5 225 4.585 0.5775 0.3541
37.5 255 4.394 0.6518 0.3609
37.5 285 4.641 1.169 0.3622
37.5 315 2.042 0.6999 0.3185
52.5 75 4.099 0.6845 0.3726
52.5 105 5.136 0.7976 0.3678
52.5 135 4.711 0.5917 0.3681
52.5 165 3.855 0.3736 0.3612
52.5 195 3.464 0.3656 0.3539
52.5 225 4.729 0.6216 0.3785
52.5 255 5.166 0.7248 0.3854
52.5 285 4.403 0.6536 0.4064
67.5 45 3.013 0.4182 0.3152
67.5 75 4.659 0.4668 0.3402
67.5 105 6.505 0.6811 0.4019
67.5 135 5.285 0.6373 0.3589
67.5 165 3.933 0.4122 0.3402
67.5 195 4.875 0.4726 0.3548
67.5 225 6.226 0.7334 0.3682
67.5 255 5.109 0.572 0.3533
67.5 285 4.797 0.4872 0.3504
67.5 315 2.723 0.3749 0.3268
82.5 45 3.764 0.4431 0.3561
82.5 75 4.981 0.4001 0.3795
82.5 105 6.47 0.6526 0.4185
82.5 135 3.967 0.5378 0.3703
82.5 165 3.451 0.3777 0.3691
82.5 195 4.526 0.4945 0.378
82.5 225 5.551 0.832 0.3941
82.5 255 5.512 0.5386 0.3912
82.5 285 5.101 0.3956 0.3934
82.5 315 4.192 0.4843 0.385
97.5 45 3.934 0.6626 0.3879
97.5 75 5.24 0.4476 0.4087
97.5 105 6.738 0.5933 0.4674
97.5 135 4.698 0.5274 0.4156
97.5 165 3.213 0.3609 0.381
97.5 195 3.468 0.3561 0.3909
97.5 225 5.299 0.7408 0.4068
97.5 255 7.122 0.627 0.4481
97.5 285 6.211 0.5126 0.4254
97.5 315 5.142 0.7859 0.4094
112.5 15 1.256 0.4549 0.3542
112.5 45 3.745 0.5528 0.3892
112.5 75 4.54 0.6005 0.3915
112.5 105 5.586 0.5048 0.4243
112.5 135 5.379 0.8065 0.436
112.5 165 3.28 0.4553 0.375
112.5 195 2.869 0.4168 0.3825
112.5 225 4.612 0.5828 0.4133
112.5 255 5.989 0.5018 0.4284
112.5 285 5.5 0.6809 0.425
112.5 315 3.325 0.5599 0.374
127.5 15 1.778 1.194 0.3953
127.5 45 2.743 0.4708 0.4078
127.5 75 5.514 1.343 0.4465
127.5 105 4.616 0.5064 0.4581
127.5 135 4.821 1.026 0.4848
127.5 165 3.839 0.9656 0.4359
127.5 195 3.038 0.602 0.4103
127.5 225 4.072 0.7307 0.4513
127.5 255 5.41 0.6712 0.4641
127.5 285 5.594 0.8833 0.4484
127.5 315 4.935 0.8169 0.4438
142.5 15 2.527 1.367 0.3126
142.5 45 3.56 0.9914 0.9327
142.5 75 7.34 2.062 1.005
142.5 105 7.383 2.551 0.3126
142.5 255 6.895 1.677 0.9712
142.5 285 2.988 1.28 0.3126
142.5 315 7.04 2.098 0.9295