CLAS Physics Database

Measurement E187M171

Experiment: e1e
Year: 2022

Measurement comment:

Quasi-free Legendre moment

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: C2 (Legendre moment)
Q2: 0.5 GeV2
W: 1.1875 — 1.7125 GeV
Ebeam: 2.039 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 //

Measurement data
W, [GeV] C2 (Legendre moment), [μb/sr] uncertainty syst. uncert.
1.1875 -1.63519 0.519485 1.78974
1.2125 -0.953835 0.186739 0.31023
1.2375 -0.284238 0.147344 0.373254
1.2625 -0.0137532 0.114956 0.0236869
1.2875 -0.738145 0.137376 0.199804
1.3125 -0.192646 0.126542 0.41935
1.3375 0.278324 0.138566 0.273561
1.3625 0.376468 0.108762 0.226582
1.3875 0.622663 0.104517 0.278439
1.4125 0.151933 0.149107 0.381571
1.4375 0.29957 0.134771 0.195698
1.4625 -0.340431 0.0941138 0.226839
1.4875 -0.120872 0.079471 0.218115
1.5125 -0.368614 0.0834009 0.0760495
1.5375 -0.382745 0.0824844 0.0616592
1.5625 -0.198345 0.138093 0.14949
1.5875 -0.189227 0.151928 0.197924
1.6125 -0.177185 0.176789 0.204335
1.6375 -0.295536 0.137129 0.0948377
1.6625 -0.313106 0.136909 0.126266
1.6875 -0.0387259 0.170897 0.140735
1.7125 -0.0734373 1.08173 0.341896