CLAS Physics Database

Measurement E187M140

Experiment: e1e
Year: 2022

Experiment comment:

Q2 : 0.4 — 1.0 GeV2 W : up to 1.825 GeV Ebeam : 2.039 GeV
Spokespersons: Y. Tian, R. W. Gothe V.I. Mokeev, and G. Hollis
Reaction: ed → π p
Polarization: none
Quantity: dσ/dΩ (quasi-free)
Q2: 0.5 GeV2
W: 1.6875 GeV
Publication:
Y. Tian, R.W. Gothe, V.I. Mokeev and G. Hollis (For CLAS Collaboration) Exclusive π− Electroproduction off the Neutron in Deuterium in the Resonance Region // CLAS-Notes 2021-101 //

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ (quasi-free), [μb/sr] uncertainty syst. uncert.
-0.9 20.0 0.684268 0.0435184 0.0697154
-0.9 22.5 0.678705 0.0424602 0.0668604
-0.9 30.0 0.668379 0.0394436 0.0648911
-0.9 330.0 0.671996 0.0390211 0.0604326
-0.9 337.5 0.686533 0.0424414 0.0645596
-0.9 340.0 0.679542 0.0429406 0.0634121
-0.7 20.0 0.40173 0.0327968 0.0325097
-0.7 22.5 0.39657 0.0317675 0.0324463
-0.7 30.0 0.375767 0.0279546 0.0308935
-0.7 330.0 0.315131 0.0255902 0.0219791
-0.5 30.0 0.271894 0.0214867 0.0225301
-0.5 67.5 0.488167 0.0426007 0.0476421
-0.5 90.0 0.415416 0.0262311 0.0323441
-0.5 100.0 0.399208 0.0292931 0.031281
-0.5 112.5 0.375402 0.0291149 0.0293444
-0.5 247.5 0.398428 0.0293258 0.0300437
-0.5 260.0 0.405921 0.0292218 0.0303428
-0.5 270.0 0.412447 0.0315224 0.0315592
-0.5 330.0 0.320401 0.0232553 0.0276982
-0.5 337.5 0.296568 0.024986 0.0275026
-0.5 340.0 0.293132 0.0255221 0.0275893
-0.3 30.0 0.334734 0.0274829 0.0292909
-0.3 60.0 0.376592 0.0349851 0.0326005
-0.3 67.5 0.367089 0.0323595 0.0312642
-0.3 90.0 0.396008 0.0265014 0.0318071
-0.3 100.0 0.412925 0.0338452 0.0334734
-0.3 112.5 0.468769 0.0400017 0.0406133
-0.3 270.0 0.381079 0.0301894 0.0326081
-0.3 292.5 0.387615 0.0335305 0.0325961
-0.3 300.0 0.424111 0.0393464 0.0356989
-0.3 330.0 0.367448 0.0290276 0.032438
-0.1 67.5 0.336913 0.0292595 0.0279558
-0.1 90.0 0.323866 0.0233827 0.0283399
-0.1 270.0 0.312805 0.0219981 0.023907
-0.1 292.5 0.34792 0.0288031 0.0272327
-0.1 300.0 0.402902 0.0353521 0.0311431
0.3 90.0 0.31155 0.0219582 0.0281635
0.5 67.5 0.747199 0.0517043 0.0623389
0.5 90.0 0.818054 0.0378819 0.0633493
0.5 100.0 0.791736 0.0412252 0.0597391
0.5 112.5 0.789717 0.0440163 0.0611221
0.5 140.0 0.670228 0.0506185 0.0485209
0.5 150.0 0.604126 0.0405806 0.0428701
0.5 202.5 0.690474 0.0526609 0.0515773
0.5 210.0 0.68066 0.0428539 0.0517165
0.5 220.0 0.729859 0.0540812 0.0526461
0.5 247.5 0.879812 0.0527059 0.0724909
0.5 260.0 0.93491 0.0497704 0.0723916
0.5 270.0 0.94898 0.044309 0.0719816
0.5 292.5 0.85881 0.0574741 0.0635328
0.7 67.5 1.44326 0.105658 0.104553
0.7 90.0 1.78448 0.0711497 0.137418
0.7 100.0 1.84165 0.0804326 0.145716
0.7 112.5 1.84567 0.0789694 0.166602
0.7 140.0 1.45206 0.0790017 0.144406
0.7 150.0 1.34808 0.0627065 0.127544
0.7 157.5 1.29477 0.0735533 0.126749
0.7 180.0 1.18723 0.076532 0.109292
0.7 202.5 1.19303 0.0685535 0.10289
0.7 210.0 1.25029 0.0594145 0.116469
0.7 220.0 1.3536 0.0771929 0.136952
0.7 247.5 1.78186 0.0771236 0.156822
0.7 260.0 1.76362 0.078659 0.131357
0.7 270.0 1.75567 0.0700482 0.128536
0.7 292.5 1.51974 0.109226 0.120676
0.9 112.5 2.89129 0.248211 0.339882
0.9 140.0 2.19888 0.139415 0.30055
0.9 150.0 2.06288 0.122486 0.300355
0.9 157.5 2.08359 0.137626 0.310364
0.9 180.0 2.19918 0.154814 0.340051
0.9 202.5 2.35808 0.11535 0.294023
0.9 210.0 2.39248 0.101509 0.295852
0.9 220.0 2.5118 0.133922 0.299409
0.9 247.5 3.08079 0.213152 0.337258