Author
B. Bagchi
Bio: B. Bagchi is an academic researcher from Vidyasagar University. The author has contributed to research in topics: Vector meson & Vector meson dominance. The author has an hindex of 1, co-authored 1 publications receiving 3 citations.
Topics: Vector meson, Vector meson dominance
Papers
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TL;DR: In this article, the SU(3) flavour structure of ι(1460) is exploited to seek consistency between vector meson dominance and anomalous Ward identities, and it is shown that a minimum of 10 to 20% breaking in nonet symmetry is necessary to get an overall fit with the radiative rates of low-lying η and η′.
Abstract: TheSU(3) flavour structure of ι(1460) is exploited to seek consistency between vector meson dominance and anomalous Ward identities. Our analysis shows that a minimum of 10 to 20% breaking in nonet symmetry is necessary to get an overall fit with the radiative rates of low-lying η and η′.
3 citations
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TL;DR: In this article, the phenomenology of the pseudoscalar η(1440) meson (also known as l) is discussed in a simplified η, η′ l mixing scheme in which the η is assumed to have no glueball component.
Abstract: The phenomenology of the pseudoscalar η(1440) meson (also known as l) is discussed in a simplified η, η′ l mixing scheme in which the η is assumed to have no glueball component. The parameters of the model are quite well constrained from the η and η′ two-photon decays. First it is shown that the scheme is in rather good general agreement with (almost) all the available data. Then a number of testable predictions concerning decays involving the iota are made. The iota turns out to be largely a glueball in this model.
5 citations
01 Jun 1997
TL;DR: Despite the prolonged experimental effort devoted to the spectroscopy of the E/t mesons, and the intense theoretical debate around this subject, many puzzling issues still prevent from a full understanding of the true scenario as discussed by the authors.
Abstract: Despite the prolonged experimental effort devoted to the spectroscopy of the E/t mesons, and the intense theoretical debate around this subject, many puzzling issues still prevent from a full understanding of the true scenario. The advent of new and more precise experimental measurements motivates a review on this topic.
1 citations
TL;DR: In this article, the authors generalized the Pisarsky-Wilczek model of studying the UA(1) phase transition in π0, η and η′ system by incorporating the chiral phase transition.
Abstract: We have generalized the Pisarsky–Wilczek model of studying the UA(1) phase transition in π0, η and η′ system by incorporating the chiral phase transition. The mass-squared matrix of the neutral pseudoscalar mesons is revisited explicitly from the chiral effective action which necessitates the mixing among the unmixed states to get the physical states. The derivation of the mass spectra of the neutral pseudoscalar mesons shows that apart from their masses, the mixing angles also become temperature dependent. Based on the dilute instanton gas approximation we show that, the UA(1) phase transition along with the chiral phase transition plays an important role in the process of hadronization of the quark–gluon plasma with the quarks of three flavors.