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Measurement E187M87

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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 : 0.7 GeV2
W : 1.2125 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 90 7.17909 0.452378 0.742469
-0.9 100 7.90378 0.615928 0.760222
-0.9 112.5 6.40002 0.39124 0.598713
-0.9 140 4.59905 0.310424 0.414421
-0.9 150 4.06088 0.252908 0.37035
-0.9 210 4.40506 0.257436 0.428603
-0.9 220 4.48131 0.292839 0.438593
-0.9 247.5 5.97802 0.36413 0.610521
-0.9 260 7.25422 0.57199 0.77318
-0.9 270 6.00828 0.387667 0.610972
-0.7 60 6.96382 0.40481 0.60871
-0.7 67.5 7.35677 0.377871 0.649784
-0.7 90 7.19189 0.225523 0.562233
-0.7 100 7.0216 0.262054 0.589655
-0.7 112.5 6.51559 0.192571 0.508828
-0.7 140 4.97816 0.187517 0.366604
-0.7 150 4.45199 0.137947 0.333614
-0.7 157.5 4.01725 0.17071 0.296387
-0.7 180 3.61058 0.151441 0.309376
-0.7 202.5 4.00028 0.185813 0.300462
-0.7 210 4.2355 0.145905 0.312337
-0.7 220 4.73971 0.190608 0.342517
-0.7 247.5 6.01852 0.18557 0.469555
-0.7 260 6.70963 0.248829 0.55568
-0.7 270 6.83539 0.215515 0.556103
-0.7 292.5 7.11669 0.41166 0.638616
-0.7 300 6.60763 0.441242 0.569165
-0.5 60 7.9109 0.528623 0.674136
-0.5 67.5 8.13821 0.395824 0.659799
-0.5 90 8.34312 0.227482 0.589962
-0.5 100 8.3593 0.256138 0.588573
-0.5 112.5 7.69632 0.207038 0.535938
-0.5 140 5.43221 0.183511 0.392658
-0.5 150 4.71894 0.136428 0.329374
-0.5 157.5 4.18347 0.156256 0.29149
-0.5 180 3.87403 0.133474 0.266685
-0.5 202.5 4.3416 0.149049 0.326453
-0.5 210 4.72037 0.12985 0.342321
-0.5 220 5.19325 0.180873 0.385793
-0.5 247.5 7.52924 0.187832 0.525655
-0.5 260 8.2028 0.23818 0.591128
-0.5 270 8.19817 0.214032 0.590453
-0.5 292.5 7.48417 0.437299 0.634618
-0.5 300 7.6958 0.532037 0.68992
-0.3 60 8.21686 0.466997 0.708656
-0.3 67.5 8.49905 0.331806 0.680265
-0.3 90 8.88685 0.206287 0.661721
-0.3 100 8.75772 0.233918 0.64586
-0.3 112.5 8.15733 0.20241 0.599481
-0.3 140 5.87288 0.202238 0.428507
-0.3 150 5.22337 0.141078 0.37738
-0.3 157.5 4.68344 0.16193 0.335047
-0.3 180 4.44504 0.138526 0.312864
-0.3 202.5 5.00823 0.170929 0.342893
-0.3 210 5.2501 0.145626 0.358344
-0.3 220 5.70241 0.200272 0.395766
-0.3 247.5 8.01012 0.211137 0.571489
-0.3 260 9.02071 0.248485 0.667586
-0.3 270 9.05935 0.212643 0.672288
-0.3 292.5 8.51311 0.317072 0.752137
-0.3 300 7.90392 0.414972 0.771814
-0.1 60 9.3236 0.371294 0.688569
-0.1 67.5 9.64753 0.290424 0.709857
-0.1 90 9.96334 0.215245 0.744885
-0.1 100 9.55336 0.261319 0.733637
-0.1 112.5 8.43234 0.231411 0.642226
-0.1 140 5.87693 0.220227 0.452336
-0.1 150 5.34234 0.153335 0.38629
-0.1 157.5 4.99877 0.177556 0.356567
-0.1 180 4.54515 0.140466 0.310648
-0.1 202.5 5.04786 0.164838 0.357085
-0.1 210 5.59014 0.146777 0.386075
-0.1 220 6.32268 0.208439 0.443269
-0.1 247.5 8.82039 0.227329 0.619609
-0.1 260 9.60131 0.260288 0.685102
-0.1 270 9.34236 0.203695 0.660393
-0.1 292.5 8.34703 0.268183 0.605397
-0.1 300 7.3278 0.304442 0.519795
0.1 60 8.54319 0.397634 0.644531
0.1 67.5 9.08219 0.317078 0.730153
0.1 90 9.69806 0.23062 0.78206
0.1 100 9.48391 0.277594 0.807395
0.1 112.5 8.42228 0.253344 0.695259
0.1 140 5.9985 0.243087 0.493966
0.1 150 5.20191 0.154874 0.409264
0.1 157.5 4.79326 0.163592 0.365519
0.1 180 4.52616 0.130259 0.335482
0.1 202.5 5.18379 0.158401 0.365335
0.1 210 5.56795 0.144975 0.391564
0.1 220 6.03177 0.217623 0.416178
0.1 247.5 8.76714 0.253608 0.639209
0.1 260 9.74563 0.27163 0.70326
0.1 270 9.74221 0.213526 0.694436
0.1 292.5 8.799 0.260039 0.627421
0.1 300 8.07757 0.321382 0.574586
0.3 60 8.58128 0.422205 0.680427
0.3 67.5 8.64033 0.29438 0.662294
0.3 90 9.22166 0.227005 0.746469
0.3 100 8.86743 0.267247 0.730032
0.3 112.5 8.37224 0.269614 0.694825
0.3 140 5.98208 0.248001 0.465206
0.3 150 5.30194 0.157733 0.401359
0.3 157.5 4.81226 0.166617 0.371369
0.3 180 4.52048 0.128357 0.336775
0.3 202.5 5.11889 0.151515 0.3722
0.3 210 5.49047 0.144013 0.396934
0.3 220 6.26432 0.232871 0.460787
0.3 247.5 8.57753 0.262213 0.657273
0.3 260 9.265 0.273695 0.70803
0.3 270 9.33587 0.220595 0.723567
0.3 292.5 8.40386 0.283389 0.665665
0.3 300 7.97717 0.354672 0.652269
0.5 60 7.46634 0.4293 0.55605
0.5 67.5 7.50011 0.292406 0.594046
0.5 90 8.66143 0.225184 0.703809
0.5 100 8.63028 0.26484 0.726722
0.5 112.5 8.72476 0.292976 0.752991
0.5 140 5.34267 0.264277 0.401327
0.5 150 4.99152 0.14736 0.357948
0.5 157.5 4.57643 0.148028 0.338643
0.5 180 4.39349 0.113731 0.321329
0.5 202.5 4.68959 0.135571 0.358451
0.5 210 4.96874 0.142193 0.388667
0.5 220 5.58528 0.259259 0.473617
0.5 247.5 7.9294 0.305531 0.671101
0.5 260 8.2641 0.262516 0.668243
0.5 270 8.54048 0.224623 0.652552
0.5 292.5 7.88607 0.294908 0.559984
0.5 300 8.10974 0.440557 0.54175
0.7 60 5.82365 0.44341 0.484238
0.7 67.5 6.3009 0.32108 0.61539
0.7 90 7.32027 0.243455 0.703913
0.7 100 7.63147 0.296646 0.76939
0.7 112.5 7.18897 0.298538 0.715608
0.7 140 4.9042 0.259294 0.415803
0.7 150 4.41027 0.154416 0.36527
0.7 157.5 4.22014 0.161884 0.336633
0.7 180 3.95031 0.134694 0.303235
0.7 202.5 4.44991 0.157172 0.322461
0.7 210 4.72817 0.15048 0.338865
0.7 220 5.55509 0.232008 0.429147
0.7 247.5 7.71675 0.297568 0.671531
0.7 260 7.55129 0.285882 0.611054
0.7 270 7.37521 0.239665 0.590018
0.7 292.5 6.18612 0.320271 0.516169
0.7 300 6.36987 0.480818 0.56567
0.9 30 3.6324 0.248403 0.302977
0.9 60 3.78815 0.191575 0.307337
0.9 67.5 3.94706 0.182972 0.347277
0.9 90 4.60676 0.152093 0.380822
0.9 100 4.98406 0.204989 0.413721
0.9 112.5 4.84965 0.175354 0.356098
0.9 140 4.74121 0.155105 0.360208
0.9 150 4.81187 0.118581 0.350653
0.9 157.5 4.95303 0.135022 0.369117
0.9 180 4.71449 0.135652 0.34544
0.9 202.5 4.46148 0.136217 0.331195
0.9 210 4.3633 0.115249 0.32203
0.9 220 4.33499 0.147266 0.325276
0.9 247.5 4.771 0.160159 0.362453
0.9 260 5.63591 0.206838 0.46769
0.9 270 5.31736 0.157162 0.412574
0.9 292.5 4.9553 0.198909 0.365165
0.9 300 4.3507 0.206734 0.294487
0.9 330 3.26174 0.236594 0.235561