F₀(980)-meson as a KK molecule in a phenomenological Lagrangian approach

F₀(980)-meson as a KK molecule in a phenomenological Lagrangian approach

Podrobná bibliografie
Parent link:	The European Physical Journal A: Scientific Journal.— , 1998- Vol. 37, iss. 3.— 2008.— [P. 303-317]
Hlavní autor:	Branz T.
Další autoři:	Gutsche T., Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich
Shrnutí:	Title screen We discuss a possible interpretation of the f ₀(980)-meson as a hadronic molecule —a bound state of K and KK mesons. Using a phenomenological Lagrangian approach we calculate the strong f 0(980) -ππ and electromagnetic f₀(980) - үү decays. The compositeness condition provides a self-consistent method to determine the coupling constant between f₀ and its constituents, K and KK. Form factors governing the decays of the f 0(980) are calculated by evaluating the kaon loop integrals. The predicted f₀(980) - ππ and f₀(980) - γγ decay widths are in good agreement with available data and results of other theoretical approaches. Режим доступа: по договору с организацией-держателем ресурса
Jazyk:	angličtina
Vydáno:	2008
Témata:	электронный ресурс труды учёных ТПУ
On-line přístup:	http://dx.doi.org/10.1140/epja/i2008-10635-1
Médium:	Elektronický zdroj Kapitola
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657220

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