High-energy electron scattering from $\mathrm{^6Li}$ and $\mathrm{^{12}C}$

Heimlich, F. H.; Koebberling, M.; Wegener, D.; Moritz, J.; Zeller, D.; Bienlein, J. K.; Schmidt, K. H.; Dinter, H.; Bleckwenn, J.

Report/Internal Report

PUBDB-2017-11485

High-energy electron scattering from $\mathrm{^6Li}$ and $\mathrm{^{12}C}$

Heimlich, F. H. ; Koebberling, M. ; Moritz, J. ; Schmidt, K. H. ; Wegener, D. ; Zeller, D. ; Bienlein, J. K. ; Bleckwenn, J. ; Dinter, H.DESY*

1974

1-22 (1974) [10.3204/PUBDB-2017-11485]

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Please use a persistent id in citations: doi:10.3204/PUBDB-2017-11485

Report No.: DESY-74-020

Abstract: We have measured the spectra of electrons scattered from 6 Li and 12 C for invariant masses of the hadronic system W ≦ 1.5 GeV and four momentum transfers in the range 5 fm −2 ≦ q 2 ≦ 12 fm −2 . We compared the shape of the spectra with different nuclear models. The Fermigas model of the nucleus cannot reproduce the data. A shell model with short-range correlations fits the data with a correlation parameter q c ≈ 250 MeV/ c . From the absolute cross section the effective number of nucleons was derived for quasi-elastic scattering and found to be compatible with A , whereas the effective number of nucleons derived for the excitation of the Δ(1236) resonance was found to be 0.6 A .

Keyword(s): electron light nucleus: interaction ; interaction: electron light nucleus ; lithium ; carbon ; electron: differential cross section ; differential cross section: electron ; electron light nucleus: elastic scattering ; elastic scattering: electron light nucleus ; delta(1236): electroproduction ; electroproduction: delta(1236) ; nucleon nucleon: correlation ; radiative correction ; electron p: interaction ; interaction: electron p ; electron n: interaction ; interaction: electron n ; total cross section ; nucleon: form factor ; form factor: nucleon ; nucleon: bound state ; nucleon: momentum ; momentum: spectrum ; spectrum: momentum ; shell model ; model: fermi gas ; baryon resonance: electroproduction ; electroproduction: baryon resonance ; baryon resonance: nonstrange ; nonstrange: baryon resonance ; desy es ; FINAL STATE: ELECTRON ; DEUTERON: FINAL STATE ; FINAL STATE: DEUTERON ; ELECTRON LIGHT NUCLEUS --> LIGHT NUCLEUS P ELECTRON ; ELECTRON LIGHT NUCLEUS --> LIGHT NUCLEUS DEUTERON ELECTRO ; 2.0: 2.5: 2.7 gev: 5-12 q-squared (1/f)-squared ; 2.0-2.7 GEV ; POTENTIAL SCATTERING ; CORRELATION: SHORT-RANGE ; MODEL: CLUSTER ; MODEL: OSCILLATOR ; EMISSION: DEUTERON ; EMISSION: MOMENTUM TRANSFER ; ELECTRON DEUTERON: ELASTIC SCATTERING ; ELASTIC SCATTERING: ELECTRON DEUTERON ; CROSS SECTION: RATIO ; DELTA(1236): ELECTROPRODUCTION ; ELECTROPRODUCTION: DELTA(1236) ; MODEL: GUTBROD-SIMON ; NUMERICAL CALCULATIONS: INTERPRETATION OF EXPERIMENTS ; LIGHT NUCLEUS: FINAL STATE ; FINAL STATE: LIGHT NUCLEUS ; P: FINAL STATE ; FINAL STATE: P ; ELECTRON: FINAL STATE