CLAS Physics Database

Measurement E187M138

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: 1.6625 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 0.819312 0.0486408 0.0741078
-0.9 22.5 0.824896 0.04776 0.0732844
-0.9 30.0 0.793799 0.0433484 0.0677544
-0.9 330.0 0.763307 0.0422365 0.064051
-0.9 337.5 0.739352 0.0450305 0.0680447
-0.9 340.0 0.755602 0.0466252 0.0701311
-0.7 20.0 0.490526 0.0366251 0.0400242
-0.7 22.5 0.474217 0.0350037 0.0394339
-0.7 30.0 0.462712 0.0312302 0.039175
-0.7 247.5 0.511738 0.0360525 0.0443322
-0.7 260.0 0.466704 0.0375939 0.0424278
-0.7 270.0 0.448868 0.0331942 0.0457186
-0.7 330.0 0.386393 0.0278331 0.0347502
-0.7 337.5 0.385953 0.0307231 0.0310785
-0.7 340.0 0.373741 0.0310622 0.0290723
-0.5 30.0 0.342888 0.0285786 0.0329323
-0.5 67.5 0.550868 0.0461698 0.0478904
-0.5 90.0 0.554945 0.0306335 0.0456741
-0.5 100.0 0.55846 0.0346828 0.0455768
-0.5 112.5 0.563843 0.034752 0.0466389
-0.5 247.5 0.483309 0.0306477 0.0421655
-0.5 260.0 0.48095 0.0314334 0.0438627
-0.5 270.0 0.480124 0.0277042 0.0458997
-0.5 292.5 0.544097 0.0454098 0.0523754
-0.5 300.0 0.552084 0.0486953 0.0531496
-0.5 330.0 0.397964 0.0260736 0.0345986
-0.5 337.5 0.362596 0.0282637 0.0337818
-0.5 340.0 0.357454 0.0291464 0.0338352
-0.3 22.5 0.475281 0.0416275 0.0402279
-0.3 30.0 0.480646 0.0345095 0.0411412
-0.3 90.0 0.538231 0.0341774 0.0401376
-0.3 100.0 0.620251 0.0419311 0.0440067
-0.3 112.5 0.681202 0.0480919 0.0490254
-0.3 260.0 0.529005 0.0383576 0.0423293
-0.3 270.0 0.496 0.0294096 0.040732
-0.3 292.5 0.514088 0.0399373 0.0478989
-0.3 300.0 0.558765 0.0446876 0.0527158
-0.3 330.0 0.498454 0.0349802 0.0398047
-0.3 337.5 0.46329 0.0407768 0.0358367
-0.1 30.0 0.426966 0.0362489 0.0379801
-0.1 67.5 0.416114 0.0329264 0.0394365
-0.1 90.0 0.38503 0.0252647 0.0333195
-0.1 100.0 0.339301 0.0281905 0.0289035
0.3 270.0 0.346338 0.0235043 0.0332348
0.5 60.0 0.891707 0.0703588 0.0604414
0.5 67.5 0.926074 0.0562185 0.0654239
0.5 90.0 0.994946 0.0442532 0.0784207
0.5 100.0 0.971748 0.0546989 0.0831336
0.5 112.5 0.903866 0.0558737 0.0848656
0.5 140.0 0.713128 0.0548521 0.0561444
0.5 150.0 0.630607 0.0433028 0.0509436
0.5 157.5 0.598773 0.0495486 0.0504767
0.5 210.0 0.686918 0.0526036 0.0482304
0.5 247.5 0.796155 0.05144 0.06824
0.5 260.0 0.912567 0.0489357 0.0763389
0.5 270.0 0.967833 0.0408085 0.077829
0.5 292.5 0.969999 0.0511722 0.0730677
0.5 300.0 0.944867 0.0713478 0.0737604
0.7 67.5 1.62253 0.106239 0.130015
0.7 90.0 1.87655 0.0740105 0.148792
0.7 100.0 1.85018 0.0824916 0.146342
0.7 112.5 1.82369 0.0824248 0.155752
0.7 140.0 1.53884 0.0896173 0.15047
0.7 150.0 1.36883 0.0678883 0.120654
0.7 157.5 1.3617 0.0817404 0.114028
0.7 180.0 1.09506 0.0736115 0.0961947
0.7 202.5 1.1869 0.0739446 0.101257
0.7 210.0 1.29897 0.0656324 0.117797
0.7 220.0 1.47009 0.0875538 0.141265
0.7 247.5 1.90859 0.0899302 0.158762
0.7 260.0 1.87867 0.0849404 0.142939
0.7 270.0 1.89108 0.0753107 0.143838
0.7 292.5 1.64783 0.101652 0.128563
0.9 112.5 2.38422 0.161021 0.274916
0.9 140.0 2.27445 0.110619 0.301115
0.9 150.0 2.12502 0.101054 0.308757
0.9 157.5 2.14084 0.120359 0.344449
0.9 180.0 2.04188 0.147915 0.405586
0.9 202.5 2.26492 0.10571 0.346714
0.9 210.0 2.21233 0.0903545 0.318236
0.9 220.0 2.27878 0.110438 0.290663
0.9 247.5 2.42855 0.163723 0.258812