On the meson mass spectrum in the covariant confined quark model

On the meson mass spectrum in the covariant confined quark model

Bibliografiske detaljer
Parent link:	Journal of Physics G: Nuclear and Particle Physics: Scientific Journal Vol. 42, iss. 7.— 2015.— [075002]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра высшей математики и математической физики (ВММФ)
Andre forfattere:	Ganbold G. Gurjav, Gutsche T. Thomas, Ivanov M. A. Mikhail, Lyubovitskiy (Lyubovitskij) V. E. Valery Efimovich
Summary:	Title screen We provide a new insight into the problem of generating the hadron mass spectrum in the framework of the covariant confined quark model. One of the underlying principles of this model is the compositeness condition, which means that the wave function renormalization constant of the elementary hadron is equal to zero. In particular, this equation allows us to express the Yukawa coupling of the meson fields to the constituent quarks as a function of other model parameters. In addition to the compositeness condition, we also employ a further equation relating the meson mass function to the Fermi coupling. Both equations guarantee that the Yukawa-type theory is equivalent to the Fermi-type theory, thereby providing an interpretation of the meson field as the bound state of its constituent fermions (quarks). We evaluate the Fermi-coupling as a function of meson (pseudoscalar and vector) masses and vary the values of the masses in such a way to obtain a smooth behavior for the resulting curve. The mass spectrum obtained in this manner is found to be in good agreement with the experimental data. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2015
Fag:	электронный ресурс труды учёных ТПУ кварковые модели
Online adgang:	http://dx.doi.org/10.1088/0954-3899/42/7/075002
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=641912

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