CLAS Physics Database

Measurement E187M128

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: 1.5625 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 0.678543 0.0510641 0.0579924
-0.9 22.5 0.668198 0.0490869 0.0574406
-0.9 30.0 0.682952 0.0446622 0.055627
-0.9 330.0 0.600387 0.0412532 0.0484488
-0.9 337.5 0.582643 0.0448162 0.0509391
-0.9 340.0 0.581077 0.0460195 0.0489405
-0.7 90.0 0.584635 0.0518075 0.0725285
-0.7 247.5 0.900616 0.0708597 0.0836423
-0.7 270.0 0.640336 0.0575938 0.0647447
-0.7 330.0 0.297574 0.023673 0.0196906
-0.5 90.0 0.597582 0.0359699 0.0485722
-0.5 100.0 0.636666 0.0418429 0.0508942
-0.5 112.5 0.63543 0.0358326 0.0482296
-0.5 140.0 0.658111 0.0550307 0.0486304
-0.5 150.0 0.673488 0.0550666 0.0496303
-0.5 247.5 0.605995 0.0349414 0.0471592
-0.5 260.0 0.602877 0.0410046 0.0496859
-0.5 270.0 0.537529 0.0345095 0.0456344
-0.5 330.0 0.34886 0.0289417 0.0327567
-0.3 90.0 0.453785 0.0284229 0.0316534
-0.3 100.0 0.461675 0.0322622 0.030861
-0.3 112.5 0.486285 0.0318226 0.0347661
-0.3 247.5 0.457922 0.0357588 0.0409163
-0.3 260.0 0.483441 0.0394521 0.0470451
-0.3 270.0 0.462227 0.0333165 0.0452267
-0.1 247.5 0.343075 0.0275393 0.0281149
-0.1 260.0 0.346024 0.0266801 0.0290642
-0.1 270.0 0.328804 0.0235374 0.026621
0.1 90.0 0.349734 0.0247145 0.0281295
0.1 260.0 0.32188 0.0266835 0.0249076
0.1 270.0 0.351016 0.0247525 0.0259062
0.3 90.0 0.510255 0.0354902 0.0421461
0.3 100.0 0.508514 0.0345892 0.0419121
0.3 112.5 0.513713 0.0404683 0.0435583
0.3 247.5 0.539141 0.0414538 0.0458917
0.3 260.0 0.547463 0.0357329 0.0424095
0.3 270.0 0.587684 0.0308505 0.0439794
0.3 292.5 0.616002 0.0427825 0.0485538
0.5 67.5 1.01246 0.0580671 0.0693948
0.5 90.0 1.0791 0.042262 0.0779788
0.5 100.0 1.10192 0.049634 0.0829297
0.5 112.5 1.01737 0.0626385 0.0820149
0.5 150.0 0.821436 0.0692371 0.065572
0.5 157.5 0.856571 0.0635197 0.0745068
0.5 202.5 0.873992 0.0640681 0.0725554
0.5 210.0 0.884647 0.0589205 0.0722668
0.5 220.0 0.896244 0.0684216 0.0750018
0.5 247.5 0.958176 0.0612763 0.0759495
0.5 260.0 1.00416 0.0523985 0.073074
0.5 270.0 1.05191 0.042373 0.0771805
0.5 292.5 1.05821 0.054072 0.0783774
0.5 300.0 1.06592 0.0722744 0.0853387
0.7 67.5 1.97234 0.10082 0.156168
0.7 90.0 2.00851 0.0722876 0.161062
0.7 100.0 2.01943 0.082547 0.164211
0.7 112.5 1.90041 0.0885623 0.158893
0.7 140.0 1.43151 0.0742259 0.119727
0.7 150.0 1.45149 0.0756419 0.126307
0.7 157.5 1.39384 0.0860267 0.132304
0.7 202.5 1.38148 0.0716542 0.110147
0.7 210.0 1.42933 0.0652926 0.111123
0.7 220.0 1.40326 0.0739083 0.10889
0.7 247.5 1.88996 0.079214 0.14817
0.7 260.0 2.03338 0.0752686 0.159183
0.7 270.0 2.04616 0.0671566 0.155283
0.7 292.5 2.05155 0.102894 0.15457
0.9 112.5 4.12701 0.293154 0.687285
0.9 140.0 3.12297 0.142394 0.632605
0.9 150.0 3.2522 0.130992 0.643399
0.9 157.5 3.17984 0.147833 0.620807
0.9 180.0 5.12166 0.329811 1.06303
0.9 202.5 3.46282 0.17837 0.6588
0.9 210.0 3.53735 0.154033 0.646298
0.9 220.0 3.36256 0.170273 0.596018
0.9 247.5 4.66398 0.269844 0.588428
0.9 260.0 4.864 0.364133 0.423611
0.9 270.0 4.65109 0.336829 0.40498