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Measurement E187M91

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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 : 0.9 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
-0.7 67.5 2.97852 0.235128 0.231258
-0.7 90 2.88095 0.149631 0.2263
-0.7 100 2.7852 0.17259 0.228751
-0.7 112.5 2.67589 0.143456 0.202288
-0.7 140 2.45853 0.160232 0.179423
-0.7 150 2.10633 0.112943 0.154227
-0.7 157.5 2.0332 0.135084 0.16241
-0.7 180 1.46683 0.103329 0.107853
-0.7 202.5 1.83681 0.126327 0.133068
-0.7 210 2.1485 0.111534 0.156982
-0.7 220 2.75694 0.164629 0.203468
-0.7 247.5 2.8989 0.144235 0.216993
-0.7 260 2.84366 0.169792 0.219317
-0.7 270 3.07575 0.149144 0.233362
-0.7 292.5 3.36603 0.236161 0.258667
-0.7 300 3.24058 0.252914 0.229032
-0.5 60 4.1784 0.341981 0.336501
-0.5 67.5 4.02416 0.285177 0.335321
-0.5 90 3.46788 0.150336 0.267294
-0.5 100 3.25639 0.167309 0.255243
-0.5 112.5 3.42785 0.151524 0.245192
-0.5 140 2.93315 0.170275 0.201241
-0.5 150 2.37767 0.112779 0.157343
-0.5 157.5 1.95152 0.118567 0.129992
-0.5 180 1.57696 0.0934838 0.112556
-0.5 202.5 1.73786 0.109848 0.131848
-0.5 210 2.08417 0.102393 0.152467
-0.5 220 2.56905 0.152938 0.195192
-0.5 247.5 3.36852 0.147604 0.260596
-0.5 260 3.40141 0.189297 0.276315
-0.5 270 3.58882 0.167901 0.279068
-0.3 67.5 5.05299 0.397977 0.535857
-0.3 90 4.40197 0.194991 0.399577
-0.3 100 4.20523 0.220849 0.406613
-0.3 112.5 3.95856 0.181378 0.360438
-0.3 140 3.01965 0.184496 0.258825
-0.3 150 2.5064 0.130372 0.201967
-0.3 157.5 2.13084 0.141809 0.170909
-0.3 180 1.63382 0.101897 0.119143
-0.3 202.5 1.87179 0.114579 0.131926
-0.3 210 2.27467 0.109983 0.160628
-0.3 220 3.07716 0.18244 0.214374
-0.3 247.5 4.03265 0.179898 0.31929
-0.3 260 4.39609 0.207202 0.369454
-0.3 270 4.31959 0.18589 0.349357
-0.3 292.5 4.33046 0.332488 0.400331
-0.1 60 5.03044 0.369475 0.479696
-0.1 67.5 5.26372 0.282727 0.488204
-0.1 90 4.7188 0.171595 0.384865
-0.1 100 4.42284 0.196281 0.359731
-0.1 112.5 4.00033 0.17862 0.303311
-0.1 140 3.21393 0.201488 0.26424
-0.1 150 2.56362 0.123544 0.194045
-0.1 157.5 2.21955 0.131279 0.168776
-0.1 180 1.74291 0.0942698 0.132707
-0.1 202.5 2.04194 0.139653 0.146263
-0.1 210 2.42545 0.127957 0.177828
-0.1 220 3.1356 0.219778 0.23897
-0.1 247.5 4.23787 0.183541 0.339654
-0.1 260 4.57447 0.199235 0.360826
-0.1 270 4.68465 0.16747 0.37727
-0.1 292.5 4.65029 0.248735 0.433161
-0.1 300 4.36176 0.316015 0.456384
0.1 67.5 5.05711 0.31062 0.367894
0.1 90 5.09469 0.212668 0.379824
0.1 100 4.93736 0.252847 0.361939
0.1 112.5 4.3961 0.217255 0.369523
0.1 140 3.08398 0.202958 0.278524
0.1 150 2.57268 0.126602 0.201516
0.1 157.5 2.28643 0.13803 0.173141
0.1 180 2.04837 0.104866 0.1532
0.1 202.5 2.55156 0.143397 0.19557
0.1 210 2.73473 0.127084 0.213808
0.1 220 3.2182 0.198575 0.276488
0.1 247.5 4.32982 0.208284 0.328676
0.1 260 5.18582 0.235501 0.402367
0.1 270 5.31034 0.190991 0.405506
0.1 292.5 5.4248 0.260388 0.451503
0.1 300 4.82076 0.321282 0.380795
0.3 60 4.44339 0.357173 0.408938
0.3 67.5 4.69727 0.269037 0.392363
0.3 90 4.7609 0.179042 0.370302
0.3 100 4.68763 0.211297 0.357865
0.3 112.5 4.22382 0.19079 0.333263
0.3 140 2.91334 0.19719 0.229944
0.3 150 2.74281 0.144973 0.204797
0.3 157.5 2.54711 0.170025 0.181023
0.3 180 2.39526 0.129031 0.183709
0.3 202.5 2.63696 0.151614 0.212161
0.3 210 2.84522 0.135986 0.227867
0.3 220 3.2524 0.213794 0.303742
0.3 247.5 4.48403 0.197252 0.364852
0.3 260 4.84134 0.244769 0.372168
0.3 270 4.69425 0.19647 0.35611
0.3 292.5 4.10881 0.305721 0.313225
0.5 67.5 4.65623 0.274182 0.385548
0.5 90 4.43055 0.167895 0.361097
0.5 100 4.281 0.189564 0.353682
0.5 112.5 3.96377 0.185752 0.327183
0.5 140 3.37334 0.240291 0.331665
0.5 150 2.94003 0.14468 0.234191
0.5 157.5 2.73983 0.155877 0.212738
0.5 180 2.41103 0.119854 0.173976
0.5 202.5 2.76004 0.155496 0.207068
0.5 210 2.90721 0.141814 0.228012
0.5 220 3.39501 0.228941 0.30785
0.5 247.5 4.6022 0.19781 0.416882
0.5 260 4.91786 0.201633 0.43297
0.5 270 4.83081 0.184301 0.404584
0.5 292.5 4.28024 0.298158 0.328775
0.7 67.5 3.91208 0.297701 0.292946
0.7 90 4.49871 0.20167 0.400541
0.7 100 4.52624 0.22785 0.440799
0.7 112.5 4.49094 0.234964 0.490152
0.7 140 3.90312 0.273565 0.362569
0.7 150 3.36692 0.173303 0.278294
0.7 157.5 3.26442 0.191313 0.26862
0.7 180 2.79064 0.168721 0.217369
0.7 202.5 2.92083 0.215587 0.251729
0.7 210 3.16253 0.19538 0.265466
0.7 220 3.53953 0.298005 0.345944
0.7 247.5 4.37601 0.258882 0.481194
0.7 260 4.16691 0.241356 0.397322
0.7 270 4.18136 0.211381 0.381111
0.7 292.5 3.6788 0.282782 0.268176
0.9 60 3.89269 0.310668 0.29539
0.9 67.5 4.09826 0.263666 0.324831
0.9 90 4.30856 0.202389 0.364743
0.9 100 4.61533 0.262021 0.42489
0.9 112.5 3.9264 0.231298 0.325392
0.9 140 3.06503 0.152298 0.233271
0.9 150 2.92492 0.108736 0.212272
0.9 157.5 2.92137 0.114944 0.21394
0.9 180 2.67525 0.116218 0.193095
0.9 202.5 2.66968 0.122951 0.20632
0.9 210 2.70646 0.109946 0.215768
0.9 220 2.80627 0.147096 0.238691
0.9 247.5 3.58746 0.223258 0.341541
0.9 260 4.39874 0.304576 0.452565
0.9 270 4.14018 0.229222 0.373422
0.9 292.5 4.2608 0.289581 0.331683
0.9 300 4.01608 0.326359 0.303279