Abstract:
High-statistical data on the γγ→K+K−γγ→K+K− and γγ→K0ˉK0γγ→K0¯K0 reactions constitute the last missing link in investigations of light scalar mesons f0(980)f0(980) and a0(980)a0(980) in photon-photon collisions. It is expected that the manifestation of the four-quark structure of the f0(980)f0(980) and a0(980)a0(980) resonances in these reactions will be very peculiar. The possibilities of the observation of scalar contributions in the γγ→K+K−γγ→K+K− and γγ→K0ˉK0γγ→K0¯K0 reactions near their thresholds at modern colliders have been estimated.
Citation:
N. N. Achasov, G. N. Shestakov, “f0(980)f0(980) and a0(980)a0(980) resonances near the thresholds of the γγ→K+K−γγ→K+K− and γγ→K0ˉK0γγ→K0¯K0 reactions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 96:8 (2012), 543–545; JETP Letters, 96:8 (2012), 493–495
\Bibitem{AchShe12}
\by N.~N.~Achasov, G.~N.~Shestakov
\paper $f_ 0(980)$ and $a_0(980)$ resonances near the thresholds of the $\gamma\gamma\to K^+K^-$ and $\gamma\gamma\to K^0\bar K^0$ reactions
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2012
\vol 96
\issue 8
\pages 543--545
\mathnet{http://mi.mathnet.ru/jetpl3255}
\elib{https://elibrary.ru/item.asp?id=18087598}
\transl
\jour JETP Letters
\yr 2012
\vol 96
\issue 8
\pages 493--495
\crossref{https://doi.org/10.1134/S0021364012200027}
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\elib{https://elibrary.ru/item.asp?id=20484770}
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Linking options:
https://www.mathnet.ru/eng/jetpl3255
https://www.mathnet.ru/eng/jetpl/v96/i8/p543
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