Abstract
An elastic form factor of the form F(Q2)=const·K1(z)/z, where z=√a2 + Q2/ ¯Q0 2 depends on the two parametersa and Q0, is obtained on the basis of an oscillator model with a temperature continuum. An estimate of the parameters of the model is obtained for medium and heavy nuclei regarded as a nucleon gas, and for the nucleon and the deuteron regarded as a quark gas. The model gives a good description of the electromagnetic form factors of the neutron, the proton, and the deuteron in the wide range of momentum transfers 0 <Q2< 6 (GeV/c)2. For heavier nuclei, starting with3He, the quark contribution can be disregarded.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 51–57, December, 1986.
The authors are grateful to Yu. V. Gaponov, V. M. Kolobashkin, and G. A. Lobov for their discussion of the results obtained.
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Grashin, A.F., Lepeshkin, M.V. Thermodynamic oscillator model for elastic nuclear form factors. Soviet Physics Journal 29, 995–1001 (1986). https://doi.org/10.1007/BF00896002
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DOI: https://doi.org/10.1007/BF00896002