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Measurement E187M90

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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 : 1.2375 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 67.5 3.21736 0.24284 0.405252
-0.9 90 3.36706 0.218405 0.355051
-0.9 100 3.65618 0.278725 0.39169
-0.9 112.5 3.22189 0.216848 0.304817
-0.9 150 2.71043 0.216092 0.244597
-0.9 210 2.6423 0.210308 0.247534
-0.9 247.5 3.91823 0.279447 0.358649
-0.9 260 5.31501 0.354923 0.510218
-0.9 270 4.3293 0.215691 0.386596
-0.9 292.5 3.42633 0.202024 0.34003
-0.9 300 3.12194 0.206581 0.327106
-0.7 30 3.32668 0.241865 0.282187
-0.7 60 4.44951 0.203529 0.354979
-0.7 67.5 4.74752 0.203211 0.369823
-0.7 90 4.86143 0.155799 0.371321
-0.7 100 4.82718 0.195825 0.396979
-0.7 112.5 4.29262 0.146041 0.337843
-0.7 140 3.23527 0.137679 0.247495
-0.7 150 2.80067 0.103633 0.208319
-0.7 157.5 2.49519 0.124991 0.189383
-0.7 180 1.9905 0.107934 0.164277
-0.7 202.5 2.49715 0.122613 0.195222
-0.7 210 2.71339 0.0998671 0.208223
-0.7 220 3.19136 0.131983 0.239035
-0.7 247.5 4.24534 0.157671 0.317012
-0.7 260 4.931 0.223182 0.36827
-0.7 270 4.79553 0.168714 0.344359
-0.7 292.5 4.14815 0.180979 0.329396
-0.7 300 3.75878 0.17656 0.305436
-0.7 330 2.65978 0.195137 0.22224
-0.5 30 3.69543 0.282946 0.278427
-0.5 60 5.43737 0.256977 0.42015
-0.5 67.5 5.49354 0.250659 0.412698
-0.5 90 5.58793 0.179018 0.418737
-0.5 100 5.41464 0.213277 0.412318
-0.5 112.5 5.05442 0.168955 0.378632
-0.5 140 3.8774 0.193713 0.291755
-0.5 150 3.40542 0.129819 0.248883
-0.5 157.5 3.21889 0.157664 0.233886
-0.5 180 2.63961 0.105255 0.196787
-0.5 202.5 2.74493 0.127892 0.199686
-0.5 210 3.27228 0.11091 0.2349
-0.5 220 3.76632 0.157012 0.269499
-0.5 247.5 5.6105 0.156194 0.396826
-0.5 260 6.07691 0.195034 0.437614
-0.5 270 6.13562 0.167634 0.427722
-0.5 292.5 5.90542 0.250169 0.391577
-0.5 300 5.52741 0.265431 0.360006
-0.5 330 3.78182 0.294728 0.258385
-0.3 60 6.3852 0.371689 0.549949
-0.3 67.5 6.42667 0.313732 0.567082
-0.3 90 6.52072 0.194949 0.537378
-0.3 100 6.31844 0.22613 0.518315
-0.3 112.5 5.6957 0.190265 0.44636
-0.3 140 4.08307 0.20903 0.299806
-0.3 150 3.6342 0.137711 0.262597
-0.3 157.5 3.43085 0.158935 0.246285
-0.3 180 2.84364 0.127181 0.210055
-0.3 202.5 3.21484 0.158287 0.232731
-0.3 210 3.59074 0.131343 0.250949
-0.3 220 4.24246 0.169554 0.293423
-0.3 247.5 6.12632 0.178153 0.435713
-0.3 260 6.76539 0.213105 0.481714
-0.3 270 6.67853 0.1813 0.475692
-0.3 292.5 6.38091 0.287211 0.50401
-0.3 300 5.74182 0.345071 0.484645
-0.1 60 7.03139 0.334782 0.58579
-0.1 67.5 7.38212 0.26564 0.588818
-0.1 90 7.63103 0.19126 0.64411
-0.1 100 7.42683 0.232908 0.647043
-0.1 112.5 6.66425 0.208922 0.609537
-0.1 140 4.79812 0.205283 0.430918
-0.1 150 4.03814 0.138287 0.322187
-0.1 157.5 3.70983 0.158266 0.275513
-0.1 180 3.26082 0.121002 0.2463
-0.1 202.5 3.72149 0.147141 0.281717
-0.1 210 4.07813 0.130357 0.308948
-0.1 220 4.47492 0.188353 0.327664
-0.1 247.5 6.4655 0.189506 0.547802
-0.1 260 7.07928 0.21344 0.609719
-0.1 270 7.14947 0.174088 0.56777
-0.1 292.5 6.789 0.249002 0.51909
-0.1 300 6.27858 0.298314 0.48629
0.1 60 7.83771 0.320609 0.803682
0.1 67.5 7.98991 0.252149 0.761022
0.1 90 8.06706 0.189841 0.790493
0.1 100 7.49465 0.232261 0.703654
0.1 112.5 6.59309 0.213188 0.684067
0.1 140 4.76567 0.216762 0.444106
0.1 150 4.09876 0.140012 0.338328
0.1 157.5 3.71787 0.156946 0.279992
0.1 180 3.24133 0.11664 0.23205
0.1 202.5 3.73984 0.151861 0.256395
0.1 210 4.00006 0.133889 0.292459
0.1 220 4.43679 0.200487 0.360629
0.1 247.5 6.15497 0.218074 0.576795
0.1 260 6.83893 0.235152 0.648025
0.1 270 7.49303 0.187929 0.66599
0.1 292.5 7.43572 0.238306 0.62346
0.1 300 7.56674 0.30577 0.602503
0.3 60 7.52647 0.335483 0.616496
0.3 67.5 7.39083 0.252149 0.634657
0.3 90 8.11921 0.199427 0.777879
0.3 100 7.81011 0.246742 0.820906
0.3 112.5 6.96036 0.229451 0.85609
0.3 140 4.54386 0.237505 0.527846
0.3 150 4.07314 0.153503 0.387467
0.3 157.5 3.90936 0.1816 0.318214
0.3 180 3.66089 0.127634 0.285914
0.3 202.5 4.43016 0.162687 0.342979
0.3 210 4.55494 0.142284 0.407419
0.3 220 4.99698 0.218957 0.580876
0.3 247.5 6.21725 0.240848 0.57485
0.3 260 6.97692 0.255606 0.609938
0.3 270 7.44059 0.203562 0.652922
0.3 292.5 7.31189 0.248179 0.660075
0.3 300 7.23728 0.326423 0.641619
0.5 60 6.60091 0.400022 0.544198
0.5 67.5 7.03459 0.30887 0.57932
0.5 90 7.39024 0.21697 0.632724
0.5 100 7.31335 0.25945 0.644709
0.5 112.5 6.86559 0.244915 0.70581
0.5 140 4.95323 0.251616 0.50904
0.5 150 4.09406 0.146636 0.341067
0.5 157.5 3.65399 0.15476 0.285783
0.5 180 3.33191 0.115767 0.255127
0.5 202.5 3.66972 0.152739 0.284715
0.5 210 3.95544 0.143149 0.320869
0.5 220 4.41988 0.249088 0.420513
0.5 247.5 7.08866 0.232625 0.693202
0.5 260 7.48746 0.233303 0.614535
0.5 270 7.40065 0.202712 0.591596
0.5 292.5 6.56681 0.290287 0.498523
0.5 300 6.4014 0.420771 0.520038
0.7 60 7.30369 0.468784 0.638043
0.7 67.5 6.8147 0.310073 0.620702
0.7 90 6.98039 0.212355 0.770311
0.7 100 6.70049 0.244692 0.775843
0.7 112.5 6.85379 0.270734 0.933931
0.7 140 6.03877 0.291475 0.559595
0.7 150 4.61932 0.156333 0.354796
0.7 157.5 4.22495 0.156712 0.318443
0.7 180 3.44413 0.129742 0.265935
0.7 202.5 3.91205 0.168457 0.296523
0.7 210 4.25944 0.165446 0.323849
0.7 220 5.48635 0.289232 0.474663
0.7 247.5 6.99899 0.292878 0.810638
0.7 260 6.79843 0.271479 0.698181
0.7 270 6.80756 0.225552 0.666567
0.7 292.5 6.26372 0.315562 0.535386
0.7 300 6.39324 0.430268 0.550339
0.9 22.5 5.02367 0.393857 0.391847
0.9 30 5.15498 0.301195 0.384669
0.9 60 5.34208 0.262339 0.416653
0.9 67.5 5.16019 0.217241 0.390572
0.9 90 5.92609 0.182476 0.472431
0.9 100 6.27316 0.230865 0.503962
0.9 112.5 6.05563 0.204398 0.481674
0.9 140 4.89081 0.163549 0.374145
0.9 150 4.69497 0.125746 0.349341
0.9 157.5 4.66355 0.143503 0.350156
0.9 180 4.54432 0.13989 0.345532
0.9 202.5 4.79151 0.140184 0.365609
0.9 210 4.79602 0.121965 0.358242
0.9 220 4.94971 0.163057 0.371374
0.9 247.5 5.72594 0.202534 0.420289
0.9 260 6.27797 0.261909 0.487905
0.9 270 5.88559 0.18905 0.440775
0.9 292.5 5.49702 0.241384 0.433722
0.9 300 5.23486 0.255753 0.38789
0.9 330 5.08938 0.343352 0.38702
0.9 337.5 4.72254 0.377065 0.35458