Biswas, S. N. ; Rai Choudhury, S. ; Saxena, R. P. (1970) Study of scale invariance in a Bethe-Salpeter model Nuclear Physics B, 21 (2). pp. 606-614. ISSN 0550-3213
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/055032...
Related URL: http://dx.doi.org/10.1016/0550-3213(70)90548-1
Abstract
We study the scale invariance of the electroproduction structure functions W1(q2, v) and vW2(q2, v) in the limit q2→ ∞. Our model involves charged scalar particles φ, interacting minimally with the electromagnetic field and also with a massless scalar field χ via an interaction of the form g φ2χ. The forward Compton scattering amplitude is then studied in the ladder approximation with the ladder rungs made up of the particles χ. We obtain a non-trivial scaling law for vW2 but W1 goes to zero in the limit q2→ ∞.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 38709 |
| Deposited On: | 03 May 2011 09:28 |
| Last Modified: | 18 May 2011 08:37 |
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