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Measurement E187M21

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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 (exclusive), mcbn/sterad
exclusive 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 : 1.2875 GeV

Select data slice:
cos(θ) =

Fit φ dependence:

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

Parameter (X axis): φ, degree

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 (exclusive),
mcbn/sterad 		Stat. error,
mcbn/sterad 		Syst. error,
mcbn/sterad
-0.9 60 1.98476 0.126207 0.159364
-0.9 67.5 1.99537 0.113586 0.161965
-0.9 90 2.26334 0.122103 0.183288
-0.9 260 2.42068 0.172295 0.197112
-0.9 270 2.28933 0.121466 0.164713
-0.9 292.5 2.03792 0.113721 0.165004
-0.9 300 2.05706 0.126844 0.182161
-0.9 330 1.76471 0.111067 0.161137
-0.7 30 1.699 0.0968948 0.122041
-0.7 60 2.08741 0.105455 0.146931
-0.7 67.5 2.3034 0.113288 0.162306
-0.7 90 2.46167 0.129341 0.203373
-0.7 100 2.54712 0.190874 0.248781
-0.7 112.5 2.3794 0.15222 0.21552
-0.7 140 2.33158 0.145328 0.178464
-0.7 150 1.98666 0.106978 0.149148
-0.7 157.5 1.8499 0.126342 0.153793
-0.7 180 1.35148 0.102573 0.142817
-0.7 210 1.90042 0.112692 0.143474
-0.7 220 2.22403 0.15475 0.172963
-0.7 247.5 2.60487 0.151561 0.19527
-0.7 260 2.83928 0.188004 0.215669
-0.7 270 2.60985 0.120711 0.183663
-0.7 292.5 2.27847 0.114705 0.164315
-0.7 300 2.06985 0.107575 0.14812
-0.7 330 1.60642 0.0970634 0.114448
-0.7 337.5 1.55951 0.114692 0.110093
-0.5 30 1.98256 0.105628 0.15042
-0.5 60 2.82603 0.147158 0.233598
-0.5 67.5 3.15695 0.173324 0.262619
-0.5 90 3.92561 0.211341 0.358775
-0.5 100 4.57676 0.289351 0.551007
-0.5 112.5 3.79416 0.224126 0.454682
-0.5 150 1.95659 0.11461 0.204165
-0.5 157.5 1.72254 0.115716 0.17523
-0.5 180 1.43884 0.0842073 0.119884
-0.5 202.5 1.9924 0.121218 0.149301
-0.5 210 2.23734 0.11839 0.165678
-0.5 220 3.19119 0.219981 0.311844
-0.5 247.5 4.40485 0.23317 0.535565
-0.5 260 5.08386 0.297754 0.680124
-0.5 270 4.26173 0.188927 0.366046
-0.5 292.5 3.32033 0.15232 0.243417
-0.5 300 2.94218 0.130538 0.216374
-0.5 330 2.05382 0.102993 0.152449
-0.5 337.5 1.9278 0.143549 0.144932
-0.3 30 2.44073 0.153381 0.1756
-0.3 60 4.18966 0.21421 0.308826
-0.3 67.5 4.5973 0.224456 0.378944
-0.3 90 6.02347 0.29749 1.21018
-0.3 100 5.89714 0.357716 1.58982
-0.3 112.5 6.01794 0.368315 1.92895
-0.3 210 2.68616 0.182656 0.230451
-0.3 247.5 7.47577 0.418738 2.02825
-0.3 260 7.30974 0.414291 1.82561
-0.3 270 6.91081 0.320581 1.10319
-0.3 292.5 4.9888 0.23128 0.395681
-0.3 300 4.42463 0.215432 0.315377
-0.3 330 2.78221 0.163354 0.210162
-0.1 60 7.31992 0.511263 1.29038
-0.1 67.5 6.97285 0.404176 1.29966
-0.1 90 6.93749 0.281665 1.55835
-0.1 100 6.38648 0.306455 1.42687
-0.1 112.5 6.15206 0.302962 1.40357
-0.1 150 2.99036 0.210118 0.339687
-0.1 180 1.58027 0.109953 0.152125
-0.1 210 3.52435 0.227887 0.425445
-0.1 247.5 6.51039 0.32904 1.57123
-0.1 260 6.38147 0.318457 1.56165
-0.1 270 6.95402 0.292401 1.70099
-0.1 292.5 6.64429 0.401532 1.25733
0.1 67.5 7.7831 0.478389 1.6344
0.1 90 6.85985 0.245689 1.02896
0.1 100 6.01588 0.265889 0.871191
0.1 112.5 5.61518 0.234576 0.710218
0.1 150 3.82609 0.243581 0.504603
0.1 180 2.15143 0.165667 0.205449
0.1 210 3.84256 0.258319 0.581571
0.1 247.5 5.3376 0.234719 0.829953
0.1 260 6.11739 0.257351 0.924809
0.1 270 6.9599 0.231611 1.08654
0.1 292.5 8.46907 0.406211 1.70985
0.1 300 8.2074 0.473156 1.61447
0.3 60 8.40605 0.537761 2.18765
0.3 67.5 8.04998 0.387858 1.80753
0.3 90 7.46492 0.231011 1.02492
0.3 100 6.65377 0.242016 0.753743
0.3 112.5 5.70168 0.222442 0.537108
0.3 140 4.46704 0.298164 0.433794
0.3 150 4.02938 0.236441 0.456408
0.3 157.5 4.44643 0.30448 0.625543
0.3 202.5 4.65954 0.303544 0.757312
0.3 210 4.54694 0.253204 0.680879
0.3 220 5.48494 0.349017 0.908329
0.3 247.5 5.39975 0.269427 0.633093
0.3 260 6.38571 0.285173 0.852373
0.3 270 7.40487 0.253395 0.986724
0.3 292.5 9.0281 0.386785 1.68504
0.3 300 9.33578 0.515503 1.68304
0.5 67.5 9.35635 0.48802 1.83214
0.5 90 8.61939 0.303845 1.15243
0.5 100 7.66181 0.30468 0.881164
0.5 112.5 6.31791 0.263509 0.557289
0.5 140 5.05192 0.303369 0.499552
0.5 150 4.70087 0.24655 0.489708
0.5 157.5 5.07286 0.335249 0.706777
0.5 180 4.24297 0.290962 0.558614
0.5 202.5 5.09035 0.349055 0.822155
0.5 210 4.83005 0.255046 0.628356
0.5 220 5.43659 0.32971 0.759636
0.5 247.5 6.31999 0.307986 0.757707
0.5 260 7.684 0.379917 1.11305
0.5 270 8.82414 0.331456 1.25957
0.5 292.5 9.96113 0.487229 1.81537
0.5 300 10.4646 0.623985 1.89942
0.7 67.5 12.8537 0.858158 2.94817
0.7 90 10.9843 0.499607 1.78877
0.7 100 10.2726 0.589721 1.70287
0.7 112.5 7.8083 0.380465 0.94174
0.7 140 8.40017 0.417353 1.30593
0.7 150 6.61258 0.293067 0.957675
0.7 157.5 7.34609 0.398564 1.31064
0.7 180 3.75717 0.237974 0.448958
0.7 202.5 6.5584 0.363652 1.02015
0.7 210 6.54251 0.294666 0.939579
0.7 220 8.85171 0.454168 1.51917
0.7 247.5 8.92896 0.396681 1.26787
0.7 260 10.896 0.516804 1.7718
0.7 270 11.5378 0.454806 1.80745
0.7 292.5 12.5214 0.727823 2.24414
0.9 60 7.42462 0.435006 0.828992
0.9 67.5 7.95546 0.368356 0.831757
0.9 90 9.76378 0.335701 1.04243
0.9 100 10.7004 0.440008 1.24887
0.9 112.5 10.4964 0.412248 1.28678
0.9 140 7.33111 0.278641 1.012
0.9 150 6.54749 0.191929 0.814768
0.9 157.5 6.0404 0.200932 0.750915
0.9 180 5.16165 0.171373 0.589636
0.9 202.5 5.75571 0.202339 0.687679
0.9 210 6.33596 0.19942 0.73931
0.9 220 7.7355 0.315276 0.903255
0.9 247.5 10.8261 0.405248 1.33829
0.9 260 10.8142 0.421093 1.31796
0.9 270 9.55947 0.315843 0.957963
0.9 292.5 7.84206 0.345106 0.626409
0.9 300 7.81395 0.398242 0.646009
0.9 330 8.63431 0.52544 0.747825