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Measurement E187M66

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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 : 1.6875 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 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
-0.9 20 0.683492 0.0431995 0.0696364
-0.9 22.5 0.677536 0.0421241 0.0667452
-0.9 30 0.669577 0.0378462 0.0650075
-0.9 330 0.724064 0.0388922 0.0651151
-0.9 337.5 0.72186 0.0414173 0.0678817
-0.9 340 0.710227 0.0419038 0.0662755
-0.7 20 0.47583 0.0339897 0.0385062
-0.7 22.5 0.468915 0.0328494 0.0383653
-0.7 30 0.454375 0.0293922 0.0373562
-0.7 330 0.408816 0.0280288 0.0285132
-0.5 30 0.331319 0.0225853 0.0274543
-0.5 67.5 0.547026 0.0415744 0.0533864
-0.5 90 0.456949 0.0262769 0.0355778
-0.5 100 0.421429 0.0279464 0.0330222
-0.5 112.5 0.411413 0.028385 0.0321593
-0.5 247.5 0.423004 0.0281966 0.0318969
-0.5 260 0.436023 0.0283639 0.0325929
-0.5 270 0.451965 0.0306506 0.034583
-0.5 330 0.359948 0.0234302 0.0311169
-0.5 337.5 0.321851 0.0243408 0.0298471
-0.5 340 0.318704 0.0249046 0.0299962
-0.3 30 0.397408 0.0287196 0.0347752
-0.3 60 0.424371 0.0335087 0.0367366
-0.3 67.5 0.404424 0.0305522 0.034444
-0.3 90 0.42552 0.0259638 0.0341775
-0.3 100 0.431179 0.0313245 0.0349532
-0.3 112.5 0.509179 0.0376741 0.0441143
-0.3 270 0.439387 0.0299949 0.0375974
-0.3 292.5 0.436309 0.0322926 0.0366909
-0.3 300 0.463603 0.0368706 0.0390231
-0.3 330 0.41247 0.0292953 0.0364126
-0.1 67.5 0.378083 0.0288918 0.0313719
-0.1 90 0.366342 0.023877 0.0320568
-0.1 270 0.37234 0.023084 0.0284571
-0.1 292.5 0.396967 0.0286211 0.0310718
-0.1 300 0.457435 0.0347661 0.0353583
0.3 90 0.376369 0.0230843 0.034023
0.5 67.5 0.774131 0.0486423 0.0645859
0.5 90 0.853409 0.0364779 0.0660872
0.5 100 0.82878 0.0394511 0.0625341
0.5 112.5 0.850026 0.0425055 0.0657899
0.5 140 0.73998 0.049224 0.0535706
0.5 150 0.684663 0.0409608 0.0485853
0.5 202.5 0.784051 0.051721 0.0585674
0.5 210 0.792102 0.0439497 0.0601839
0.5 220 0.826318 0.0531772 0.0596039
0.5 247.5 0.97416 0.0511303 0.0802646
0.5 260 1.00037 0.0478543 0.0774602
0.5 270 1.03009 0.0433733 0.0781336
0.5 292.5 0.926976 0.0553809 0.0685756
0.7 67.5 1.58054 0.101622 0.114497
0.7 90 1.96928 0.0708534 0.151648
0.7 100 1.99642 0.077762 0.157962
0.7 112.5 2.0098 0.076942 0.181417
0.7 140 1.57971 0.0768148 0.157102
0.7 150 1.51462 0.0635112 0.143301
0.7 157.5 1.45933 0.0724308 0.142858
0.7 180 1.39837 0.0769243 0.128728
0.7 202.5 1.329 0.0666364 0.114616
0.7 210 1.39859 0.0597051 0.130283
0.7 220 1.43168 0.0731251 0.144852
0.7 247.5 1.88907 0.0732648 0.166257
0.7 260 1.83339 0.0733014 0.136553
0.7 270 1.86552 0.0678786 0.136579
0.7 292.5 1.53798 0.10003 0.122124
0.9 112.5 2.9681 0.229158 0.348912
0.9 140 2.27201 0.128585 0.310545
0.9 150 2.22107 0.11618 0.323388
0.9 157.5 2.20423 0.125237 0.328334
0.9 180 2.32405 0.140229 0.359359
0.9 202.5 2.44652 0.107294 0.30505
0.9 210 2.53371 0.0990516 0.313318
0.9 220 2.5692 0.124238 0.306251
0.9 247.5 3.2458 0.200332 0.355321