Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki
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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2008, Volume 87, Issue 3, Pages 147–149 (Mi jetpl26)  

This article is cited in 23 scientific papers (total in 23 papers)

FIELDS, PARTICLES, AND NUCLEI

Di-pion emission in heavy quarkonia decays

Yu. A. Simonov

State Research Center Institute of Theoretical and Experimental Physics, Moscow, 117218, Russia
References:
Abstract: The di-pion spectrum for the $\Upsilon(nS)\to\Upsilon (n'S)$ transition with $n\le4$ has the form ${dw}/{dq}\sim$ (phase space) $|\eta-x|^2$, with $x=\frac{q^2-4m^2_\pi}{(\Delta M)^2-4m^2_\pi}<q^2\equiv M^2_{\pi\pi}$, and $\Delta M=M(nS)-M(n'S)$. The parameter $\eta$ is calculated and the spectrum is shown to reproduce the experimental data for all 3 types of decays: $3\to 1,2\to1$ and $3\to2$ with $\eta\approx0.5;0$, and $-3$, respectively.
Received: 13.12.2007
English version:
Journal of Experimental and Theoretical Physics Letters, 2008, Volume 87, Issue 3, Pages 121–123
DOI: https://doi.org/10.1007/s11448-008-3001-5
Bibliographic databases:
Document Type: Article
PACS: 12.38.Lg, 13.25.Hw
Language: English
Citation: Yu. A. Simonov, “Di-pion emission in heavy quarkonia decays”, Pis'ma v Zh. Èksper. Teoret. Fiz., 87:3 (2008), 147–149; JETP Letters, 87:3 (2008), 121–123
Citation in format AMSBIB
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\by Yu.~A.~Simonov
\paper Di-pion emission in heavy quarkonia decays
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2008
\vol 87
\issue 3
\pages 147--149
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\transl
\jour JETP Letters
\yr 2008
\vol 87
\issue 3
\pages 121--123
\crossref{https://doi.org/10.1007/s11448-008-3001-5}
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\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-42449145142}
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  • https://www.mathnet.ru/eng/jetpl/v87/i3/p147
  • This publication is cited in the following 23 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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