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Measurement E187M92

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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 : 0.5 GeV2
W : 1.2625 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 30 2.24716 0.158089 0.17984
-0.9 60 2.86745 0.179375 0.224365
-0.9 67.5 3.15693 0.171904 0.248518
-0.9 90 3.51921 0.181191 0.257628
-0.9 100 3.90217 0.284963 0.281679
-0.9 112.5 3.60064 0.278552 0.302665
-0.9 270 2.93574 0.198589 0.272707
-0.9 292.5 2.50856 0.14573 0.237847
-0.9 300 2.48293 0.159671 0.235581
-0.9 330 2.0339 0.153419 0.274523
-0.7 30 2.71849 0.160336 0.223037
-0.7 60 3.55415 0.167633 0.270944
-0.7 67.5 3.80791 0.179416 0.284414
-0.7 90 3.95029 0.165437 0.285265
-0.7 100 3.996 0.22072 0.310737
-0.7 112.5 3.64188 0.167643 0.279232
-0.7 140 3.24243 0.188475 0.238324
-0.7 150 2.86033 0.14376 0.206306
-0.7 157.5 2.78358 0.195422 0.209415
-0.7 180 2.18917 0.153589 0.205952
-0.7 202.5 2.75083 0.166262 0.237717
-0.7 210 2.87564 0.130175 0.22792
-0.7 220 3.26348 0.1661 0.263689
-0.7 247.5 3.88389 0.172431 0.331792
-0.7 260 4.30204 0.228525 0.366358
-0.7 270 3.94705 0.150898 0.304149
-0.7 292.5 3.41118 0.146815 0.236661
-0.7 300 3.15157 0.137216 0.217619
-0.7 330 2.25158 0.130191 0.159592
-0.5 30 3.28993 0.19183 0.263864
-0.5 60 4.97066 0.231395 0.399986
-0.5 67.5 5.24578 0.250143 0.41504
-0.5 90 5.53389 0.224175 0.562917
-0.5 100 5.49359 0.284878 0.692523
-0.5 112.5 5.1171 0.254862 0.590448
-0.5 140 3.75425 0.258773 0.391189
-0.5 150 2.99166 0.157855 0.249595
-0.5 157.5 2.68489 0.157718 0.205385
-0.5 180 2.25783 0.136549 0.18415
-0.5 202.5 2.69767 0.17 0.210958
-0.5 210 2.90765 0.147026 0.231164
-0.5 220 3.32285 0.197452 0.28694
-0.5 247.5 4.85452 0.240227 0.42285
-0.5 260 5.73874 0.324436 0.514304
-0.5 270 5.35683 0.22987 0.40148
-0.5 292.5 4.62437 0.22348 0.343276
-0.5 300 4.15554 0.199984 0.318892
-0.5 330 2.73657 0.169493 0.212078
-0.3 30 3.55718 0.26444 0.31164
-0.3 60 5.87068 0.340595 0.543387
-0.3 67.5 5.98815 0.303724 0.615919
-0.3 90 7.00599 0.315191 1.09194
-0.3 100 7.10673 0.380273 1.25054
-0.3 112.5 7.10796 0.38254 1.41514
-0.3 150 3.73292 0.206254 0.425212
-0.3 157.5 3.30572 0.212509 0.319157
-0.3 180 2.42551 0.136346 0.187979
-0.3 202.5 2.75257 0.191855 0.228193
-0.3 210 3.09146 0.183979 0.254318
-0.3 220 4.07462 0.310016 0.512023
-0.3 247.5 6.97191 0.364555 0.826453
-0.3 260 7.72254 0.395151 0.902744
-0.3 270 7.38132 0.351085 0.78809
-0.3 292.5 6.08519 0.352165 0.493112
-0.3 300 5.63104 0.392578 0.460807
-0.3 330 3.33361 0.263625 0.286723
-0.1 60 8.80546 0.595167 1.3724
-0.1 67.5 9.15877 0.501038 1.59076
-0.1 90 9.32825 0.442086 2.14092
-0.1 100 9.12631 0.616931 2.45988
-0.1 112.5 9.08911 0.680927 3.01009
-0.1 140 8.50478 0.788314 3.01766
-0.1 150 4.30287 0.252839 0.509886
-0.1 157.5 3.54289 0.236213 0.33065
-0.1 180 2.69297 0.141755 0.20518
-0.1 202.5 3.67191 0.225831 0.290457
-0.1 210 4.24315 0.236359 0.37574
-0.1 220 6.86605 0.632724 1.53623
-0.1 247.5 9.61644 0.549556 2.7477
-0.1 260 10.0533 0.527702 2.58188
-0.1 270 9.24121 0.373141 2.00974
-0.1 292.5 8.10184 0.453681 1.52308
-0.1 300 7.26381 0.509815 1.39319
0.1 60 8.7118 0.49153 1.39512
0.1 67.5 9.78649 0.462405 1.72921
0.1 90 10.7294 0.36636 2.24592
0.1 100 11.4575 0.536083 2.906
0.1 112.5 10.4873 0.545648 2.64854
0.1 150 4.77247 0.297428 0.443309
0.1 157.5 4.25012 0.290583 0.369157
0.1 180 3.04415 0.166623 0.27332
0.1 202.5 4.1278 0.272533 0.334182
0.1 210 4.76516 0.287844 0.439579
0.1 247.5 11.3465 0.708453 3.03855
0.1 260 12.7567 0.673029 3.31657
0.1 270 11.3252 0.43817 2.17708
0.1 292.5 10.5459 0.526217 1.56994
0.1 300 8.84724 0.559052 1.07474
0.3 60 9.91636 0.703441 1.79283
0.3 67.5 10.5328 0.564418 2.03874
0.3 90 10.4949 0.413293 1.94092
0.3 100 10.4419 0.529499 1.99289
0.3 112.5 8.57758 0.558816 1.43789
0.3 150 5.35259 0.347266 0.616599
0.3 157.5 5.58716 0.35162 0.610464
0.3 180 3.55325 0.188369 0.331629
0.3 202.5 4.79149 0.342808 0.459619
0.3 210 5.4793 0.334126 0.606317
0.3 247.5 9.67533 0.569978 2.14253
0.3 260 10.3642 0.556454 2.32418
0.3 270 10.6994 0.406221 2.13496
0.3 292.5 10.7173 0.517086 1.9531
0.3 300 10.1202 0.600251 1.58392
0.5 60 11.7587 0.776884 2.60513
0.5 67.5 12.0581 0.617513 2.79982
0.5 90 12.2211 0.475624 2.75867
0.5 100 12.1776 0.64043 2.75623
0.5 112.5 9.45961 0.608973 1.62107
0.5 150 5.46736 0.321725 0.63237
0.5 157.5 5.43789 0.346727 0.555615
0.5 180 3.71588 0.177768 0.379692
0.5 202.5 5.1609 0.314534 0.600989
0.5 210 5.46496 0.287275 0.731676
0.5 220 9.14059 0.759805 2.2018
0.5 247.5 10.6699 0.607618 2.49301
0.5 260 12.7586 0.683344 3.19805
0.5 270 13.1384 0.547678 3.07448
0.5 292.5 13.2589 0.750164 2.86313
0.5 300 13.4508 1.00046 2.71258
0.7 67.5 9.93129 0.656784 1.51511
0.7 90 10.7145 0.491083 2.16713
0.7 100 11.6415 0.668538 2.65865
0.7 112.5 12.9587 0.720655 3.39964
0.7 140 13.8787 1.04843 3.46994
0.7 150 6.69539 0.334551 0.768051
0.7 157.5 5.68223 0.338476 0.623551
0.7 180 4.14673 0.190273 0.393462
0.7 202.5 5.79482 0.323323 0.542666
0.7 210 6.85355 0.330206 0.770132
0.7 220 14.2748 1.07589 3.74048
0.7 247.5 12.979 0.749829 4.04556
0.7 260 11.241 0.649019 2.6375
0.7 270 11.0356 0.488869 2.1501
0.7 292.5 10.8849 0.663206 1.50294
0.7 300 10.4205 0.815763 1.36718
0.9 22.5 8.43022 0.697188 0.826241
0.9 30 8.9187 0.533492 0.769929
0.9 60 8.55765 0.391964 0.692512
0.9 67.5 7.69364 0.314858 0.664002
0.9 90 8.60671 0.3003 0.791326
0.9 100 8.91761 0.4142 0.858362
0.9 112.5 9.26467 0.404343 1.01222
0.9 140 7.13923 0.278626 0.8613
0.9 150 6.50809 0.191732 0.739008
0.9 157.5 6.3938 0.20872 0.700207
0.9 180 5.79388 0.190378 0.625374
0.9 202.5 6.21724 0.202831 0.64798
0.9 210 6.34509 0.188678 0.62884
0.9 220 6.93101 0.27129 0.664241
0.9 247.5 9.49261 0.366354 0.843605
0.9 260 11.0511 0.42258 0.996784
0.9 270 9.64925 0.297631 0.778116
0.9 292.5 8.52528 0.348024 0.630044
0.9 300 7.88367 0.372397 0.59433
0.9 330 8.20185 0.497828 0.708629
0.9 337.5 8.32269 0.68153 0.758842