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Measurement E187M88

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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 : 1.2125 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 90 4.03924 0.222548 0.320278
-0.7 100 3.93406 0.212969 0.329659
-0.7 112.5 3.90314 0.17109 0.30573
-0.7 140 3.61965 0.19359 0.293571
-0.7 150 3.28943 0.144807 0.269782
-0.7 157.5 3.15229 0.179736 0.271319
-0.7 180 2.75558 0.15499 0.236914
-0.7 202.5 2.93041 0.169517 0.232414
-0.7 210 2.99538 0.134932 0.225439
-0.7 220 3.23375 0.175023 0.235655
-0.7 247.5 3.75345 0.161565 0.286473
-0.7 260 3.89472 0.203034 0.32801
-0.7 270 3.99198 0.189292 0.341988
-0.5 90 4.46391 0.20602 0.363933
-0.5 100 4.21492 0.220059 0.328512
-0.5 112.5 4.1416 0.1968 0.305847
-0.5 140 4.04045 0.22599 0.311923
-0.5 150 3.53902 0.154604 0.262232
-0.5 157.5 3.41601 0.170783 0.256765
-0.5 180 2.72404 0.132386 0.198244
-0.5 202.5 2.94086 0.150264 0.220748
-0.5 210 3.27158 0.130908 0.232385
-0.5 220 3.80001 0.186038 0.265847
-0.5 247.5 4.35966 0.174737 0.318235
-0.5 260 4.59692 0.211006 0.359016
-0.5 270 4.66675 0.192946 0.363603
-0.5 292.5 5.72657 0.433505 0.544718
-0.3 67.5 5.77546 0.348219 0.505476
-0.3 90 5.32167 0.212556 0.419535
-0.3 100 5.13259 0.237751 0.396361
-0.3 112.5 4.88231 0.222134 0.388439
-0.3 140 4.05227 0.228623 0.319448
-0.3 150 3.48257 0.150744 0.25525
-0.3 157.5 3.08292 0.155019 0.215428
-0.3 180 2.77025 0.127112 0.198592
-0.3 202.5 3.00313 0.164331 0.216768
-0.3 210 3.27962 0.140043 0.235305
-0.3 220 3.59718 0.205358 0.27491
-0.3 247.5 5.25995 0.188198 0.377347
-0.3 260 6.07266 0.223127 0.428086
-0.3 270 5.85299 0.19043 0.421248
-0.3 292.5 5.61832 0.312146 0.446328
-0.1 60 5.64726 0.387555 0.439164
-0.1 67.5 6.26122 0.298826 0.450228
-0.1 90 6.31505 0.221066 0.453288
-0.1 100 6.13584 0.262093 0.446472
-0.1 112.5 5.37237 0.234044 0.396654
-0.1 140 4.05974 0.214903 0.334769
-0.1 150 3.5678 0.144528 0.277468
-0.1 157.5 3.30546 0.162333 0.255198
-0.1 180 3.01925 0.130226 0.216096
-0.1 202.5 3.63721 0.166938 0.251997
-0.1 210 3.72014 0.144002 0.258359
-0.1 220 4.11058 0.210591 0.310848
-0.1 247.5 5.65876 0.207462 0.40271
-0.1 260 6.36723 0.232479 0.478966
-0.1 270 6.16889 0.191565 0.466136
-0.1 292.5 5.38272 0.265677 0.46357
0.1 67.5 6.30828 0.339989 0.530616
0.1 90 6.28213 0.235396 0.485583
0.1 100 6.38019 0.273844 0.481035
0.1 112.5 5.52053 0.249167 0.404104
0.1 140 4.02613 0.255217 0.32275
0.1 150 3.56174 0.161382 0.260349
0.1 157.5 3.18197 0.179583 0.241603
0.1 180 3.08733 0.146989 0.227704
0.1 202.5 3.74202 0.189512 0.285751
0.1 210 3.8251 0.16181 0.287161
0.1 220 4.29985 0.225259 0.330944
0.1 247.5 5.90221 0.236563 0.441467
0.1 260 6.88459 0.26228 0.52749
0.1 270 6.64992 0.221501 0.49127
0.1 292.5 6.00113 0.305777 0.438358
0.3 67.5 5.65916 0.341261 0.592093
0.3 90 6.32443 0.223736 0.553559
0.3 100 6.42359 0.266011 0.573476
0.3 112.5 6.08004 0.241368 0.501628
0.3 140 3.87717 0.263774 0.362355
0.3 150 3.58739 0.163412 0.308971
0.3 157.5 3.16487 0.175227 0.26826
0.3 180 3.10435 0.145462 0.238686
0.3 202.5 3.37979 0.191314 0.245774
0.3 210 3.55711 0.169395 0.260971
0.3 220 3.88097 0.248383 0.308566
0.3 247.5 5.94107 0.24914 0.45222
0.3 260 6.62272 0.264162 0.491238
0.3 270 6.35726 0.218773 0.478611
0.3 292.5 5.39822 0.286662 0.435462
0.5 67.5 4.63644 0.281924 0.403619
0.5 90 5.49617 0.230062 0.478036
0.5 100 5.56199 0.27047 0.501351
0.5 112.5 5.46438 0.290155 0.496126
0.5 140 3.78034 0.244998 0.312662
0.5 150 3.39603 0.148907 0.257962
0.5 157.5 3.19763 0.154373 0.247701
0.5 180 2.87504 0.144037 0.232477
0.5 202.5 3.23554 0.180667 0.261304
0.5 210 3.38718 0.169227 0.263903
0.5 220 4.01699 0.242582 0.293905
0.5 247.5 5.25363 0.23673 0.428353
0.5 260 5.54449 0.232221 0.459918
0.5 270 5.54401 0.202372 0.450195
0.5 292.5 5.00225 0.297103 0.396212
0.7 67.5 4.72843 0.384838 0.434553
0.7 90 4.84932 0.237747 0.470642
0.7 100 4.86567 0.269493 0.495509
0.7 112.5 4.48517 0.247548 0.406431
0.7 140 3.6609 0.226445 0.302406
0.7 150 3.3091 0.155877 0.268888
0.7 157.5 3.22112 0.17268 0.279823
0.7 180 3.06569 0.157086 0.253758
0.7 202.5 3.26737 0.173946 0.258124
0.7 210 3.37695 0.157043 0.261138
0.7 220 3.52928 0.222202 0.276878
0.7 247.5 4.70803 0.25081 0.37273
0.7 260 4.75707 0.260199 0.3795
0.7 270 4.90591 0.236304 0.386034
0.7 292.5 4.56335 0.375531 0.366684
0.9 90 3.37581 0.190561 0.268247
0.9 100 3.60678 0.21594 0.296934
0.9 112.5 3.56805 0.207342 0.286131
0.9 140 2.92881 0.145423 0.229115
0.9 150 2.77435 0.1051 0.213821
0.9 157.5 2.73324 0.110414 0.210355
0.9 180 2.61947 0.128122 0.204524
0.9 202.5 2.77369 0.128319 0.207205
0.9 210 2.66516 0.114936 0.194877
0.9 220 2.69438 0.139198 0.196983
0.9 247.5 3.0517 0.187294 0.244584
0.9 260 3.55933 0.216135 0.314912
0.9 270 3.34778 0.171436 0.272456
0.9 292.5 3.05623 0.226264 0.234387