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Measurement E187M89

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Experiment: e1e, 2022

Spokespersons: Y. Tian, R. W. Gothe V.I. Mokeev, and G. Hollis

Experiment comment: Q2 : 0.4 — 1.0 GeV2 W : up to 1.825 GeV Ebeam : 2.039 GeV

Publication:

Quantity measured: dσ/dΩ (quasi-free), mcbn/sterad
quasi-free differential cross section
Beam: e, polarization: none
Target: d (Z=1, A=2), polarization: none
Final state: π− p, polarization: none

Q2 : 0.5 GeV2
W : 1.2375 GeV

Select data slice:
cos(θ) =

Fit φ dependence:

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

Parameter (X axis): φ, degree

Click here to view sliced data.

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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:

cos(θ) φ,
degree 		dσ/dΩ (quasi-free),
mcbn/sterad 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
-0.9 30 4.93229 0.386136 0.589249
-0.9 60 5.2213 0.292675 0.446607
-0.9 67.5 5.4448 0.266394 0.456899
-0.9 90 6.20061 0.281802 0.475955
-0.9 100 7.22375 0.477263 0.562757
-0.9 112.5 6.34182 0.444828 0.508568
-0.9 150 4.79941 0.377085 0.455811
-0.9 210 5.51953 0.412861 0.446793
-0.9 220 5.60177 0.443763 0.452395
-0.9 247.5 6.69619 0.455181 0.558751
-0.9 260 6.76877 0.455703 0.537758
-0.9 270 5.86026 0.271956 0.501963
-0.9 292.5 5.19759 0.254362 0.511402
-0.9 300 4.7063 0.304556 0.52384
-0.7 30 5.11113 0.26229 0.413553
-0.7 60 6.42687 0.247042 0.503466
-0.7 67.5 6.88133 0.257654 0.541161
-0.7 90 7.29366 0.257959 0.57856
-0.7 100 7.67839 0.364788 0.724322
-0.7 112.5 6.6994 0.253885 0.547317
-0.7 140 5.37031 0.239444 0.395506
-0.7 150 4.69605 0.181511 0.348774
-0.7 157.5 4.44089 0.239956 0.362859
-0.7 180 3.67652 0.198628 0.313985
-0.7 202.5 4.085 0.245841 0.295485
-0.7 210 4.48502 0.185361 0.322705
-0.7 220 4.94285 0.239135 0.361043
-0.7 247.5 6.71161 0.231925 0.53452
-0.7 260 7.63018 0.319119 0.638107
-0.7 270 6.92663 0.233099 0.511298
-0.7 292.5 6.07111 0.251904 0.470818
-0.7 300 5.52639 0.234242 0.434705
-0.7 330 4.35199 0.246221 0.333586
-0.5 30 5.27392 0.289648 0.404456
-0.5 60 8.04568 0.33155 0.625191
-0.5 67.5 8.08445 0.314338 0.626967
-0.5 90 8.78477 0.278214 0.7808
-0.5 100 8.56675 0.328072 0.852227
-0.5 112.5 8.33484 0.271477 0.773134
-0.5 140 6.39923 0.256145 0.53933
-0.5 150 5.22766 0.174762 0.388108
-0.5 157.5 4.62777 0.196524 0.349528
-0.5 180 3.88555 0.185923 0.325494
-0.5 202.5 4.43442 0.219761 0.36467
-0.5 210 5.06294 0.186466 0.395005
-0.5 220 5.75411 0.234141 0.453949
-0.5 247.5 8.41642 0.266 0.670544
-0.5 260 9.23367 0.335593 0.751822
-0.5 270 9.04471 0.287684 0.690832
-0.5 292.5 8.65952 0.355572 0.637177
-0.5 300 8.12227 0.363529 0.615282
-0.5 330 5.91553 0.323888 0.472508
-0.3 60 10.4092 0.634155 1.06357
-0.3 67.5 9.61206 0.473074 0.99886
-0.3 90 9.85081 0.374518 1.22037
-0.3 100 9.55291 0.432362 1.18123
-0.3 112.5 9.19143 0.393802 1.16273
-0.3 140 6.48669 0.319772 0.709546
-0.3 150 5.29429 0.224725 0.490749
-0.3 157.5 4.69256 0.246475 0.425237
-0.3 180 4.15824 0.196778 0.344478
-0.3 202.5 4.98482 0.231718 0.396627
-0.3 210 5.65747 0.225268 0.451829
-0.3 220 6.59652 0.340006 0.5998
-0.3 247.5 9.9021 0.378509 0.946178
-0.3 260 10.4039 0.387429 1.02802
-0.3 270 10.4098 0.353354 1.0719
-0.3 292.5 9.37357 0.500775 1.03001
-0.3 300 9.22629 0.757006 1.06672
-0.1 60 10.5415 0.533887 1.10689
-0.1 67.5 11.1397 0.461909 1.14136
-0.1 90 12.2148 0.413004 1.53192
-0.1 100 12.0706 0.586172 1.76929
-0.1 112.5 11.8864 0.593341 2.23621
-0.1 140 8.43906 0.469932 1.37765
-0.1 150 6.58974 0.247741 0.685382
-0.1 157.5 5.70841 0.243731 0.51564
-0.1 180 4.79107 0.180737 0.399728
-0.1 202.5 5.50188 0.265917 0.45951
-0.1 210 6.45061 0.262961 0.521654
-0.1 220 8.02159 0.493503 0.749343
-0.1 247.5 12.8902 0.577673 1.46825
-0.1 260 13.2552 0.595081 1.52628
-0.1 270 12.5566 0.395635 1.31441
-0.1 292.5 10.8715 0.43309 1.12015
-0.1 300 9.86053 0.473528 1.01169
0.1 60 11.1871 0.560388 1.2596
0.1 67.5 12.4904 0.54215 1.47016
0.1 90 14.2718 0.481436 2.339
0.1 100 15.5688 0.772214 3.71696
0.1 112.5 15.5192 0.788919 4.79308
0.1 140 9.8003 0.643828 1.98804
0.1 150 7.04172 0.272946 0.666334
0.1 157.5 6.05903 0.258582 0.49269
0.1 180 5.18986 0.177745 0.400406
0.1 202.5 6.22282 0.268166 0.514181
0.1 210 7.04608 0.275267 0.599314
0.1 220 9.07581 0.625651 1.20405
0.1 247.5 15.8699 0.938986 3.60767
0.1 260 16.9843 0.872987 3.29291
0.1 270 15.0762 0.494707 2.06427
0.1 292.5 12.8386 0.468982 1.33881
0.1 300 11.1819 0.491536 1.12079
0.3 60 12.9338 0.691854 1.77624
0.3 67.5 14.3464 0.600381 2.20932
0.3 90 16.6198 0.5361 3.35397
0.3 100 17.9529 0.788016 4.86326
0.3 112.5 18.703 1.02283 6.44736
0.3 140 11.1906 0.867027 2.49216
0.3 150 7.66365 0.322877 0.861439
0.3 157.5 6.62067 0.290982 0.667565
0.3 180 5.44602 0.189452 0.489013
0.3 202.5 6.26052 0.257212 0.505639
0.3 210 6.98433 0.264899 0.613242
0.3 220 9.9043 0.647198 1.4962
0.3 247.5 16.9914 0.841004 4.37772
0.3 260 17.2904 0.794071 3.49776
0.3 270 16.1943 0.51574 2.28985
0.3 292.5 13.9309 0.579495 1.48518
0.3 300 12.7563 0.626375 1.19774
0.5 60 11.2721 0.666832 1.40912
0.5 67.5 13.1189 0.585214 1.95645
0.5 90 14.7081 0.544324 2.66843
0.5 100 16.2099 0.829843 3.84333
0.5 112.5 16.1649 1.01148 4.82729
0.5 140 11.0181 0.680944 2.49795
0.5 150 7.13674 0.26038 0.753941
0.5 157.5 6.43129 0.251253 0.639945
0.5 180 5.59218 0.184441 0.452222
0.5 202.5 7.01841 0.272365 0.561871
0.5 210 7.8206 0.282174 0.681391
0.5 220 12.0049 0.696549 2.09979
0.5 247.5 16.63 0.986068 4.27805
0.5 260 15.5252 0.790711 2.9535
0.5 270 15.2037 0.542157 2.25823
0.5 292.5 13.7925 0.599503 1.65483
0.5 300 13.0161 0.717358 1.31613
0.7 60 9.55376 0.740296 1.02487
0.7 67.5 10.9983 0.618497 1.37126
0.7 90 13.6364 0.5504 2.02868
0.7 100 15.8677 0.80108 2.96228
0.7 112.5 19.0621 1.05701 4.31062
0.7 140 10.3182 0.58077 1.53243
0.7 150 6.91149 0.277712 0.649085
0.7 157.5 6.13857 0.267842 0.58275
0.7 180 5.45901 0.214883 0.446659
0.7 202.5 6.66417 0.287437 0.543966
0.7 210 7.29303 0.292805 0.585663
0.7 220 9.72568 0.603665 1.13408
0.7 247.5 16.4955 0.95248 3.30003
0.7 260 14.2903 0.74393 2.05412
0.7 270 12.0819 0.510401 1.39951
0.7 292.5 9.56458 0.564731 0.865533
0.7 300 7.77913 0.648432 0.691433
0.9 30 7.2922 0.55986 0.589858
0.9 60 7.83025 0.360313 0.642784
0.9 67.5 8.12743 0.311132 0.682073
0.9 90 9.26249 0.264987 0.834519
0.9 100 9.93789 0.34945 0.954938
0.9 112.5 9.17251 0.319393 0.920811
0.9 140 7.75856 0.261054 0.763121
0.9 150 7.1528 0.205524 0.691292
0.9 157.5 7.1078 0.232441 0.680333
0.9 180 6.53232 0.245235 0.622043
0.9 202.5 7.26268 0.231525 0.653387
0.9 210 7.33175 0.205517 0.6426
0.9 220 7.7619 0.261512 0.677818
0.9 247.5 9.08705 0.330283 0.797213
0.9 260 10.1974 0.410791 0.919996
0.9 270 9.23197 0.302797 0.770743
0.9 292.5 8.30214 0.375896 0.647873
0.9 300 7.4249 0.378203 0.588177
0.9 330 7.54859 0.472945 0.619811
0.9 337.5 8.14604 0.66553 0.585747