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Radiative Decays Involving A0980 And F0980 In The Vector Meson Dominance Model
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Book Synopsis Radiative Decays Involving A0(980) and F0(980) in the Vector Meson Dominance Model by :
Download or read book Radiative Decays Involving A0(980) and F0(980) in the Vector Meson Dominance Model written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We summarize some features of the vector meson dominance model which was recently proposed for studying radiative decays involving the scalar mesons. Using the experimental values of [Gamma](a[sub 0] [yields] [gamma][gamma]), [Gamma](f[sub 0] [yields] [gamma][gamma]) and [Gamma]([phi] [yields] a[sub 0] [gamma]) as inputs, we show that the model predicts a large hierarchy between [Gamma](a[sub 0] [yields] [omega][gamma]) and [Gamma](a[sub 0] [yields] [rho][gamma]) as well as between [Gamma](f[sub 0] [yields] [omega][gamma]) and [Gamma](f[sub 0] [yields] [rho][gamma]).
Book Synopsis Autograph Letter Signed from E.M. Ramsay to Unidentitifed Recipient by :
Download or read book Autograph Letter Signed from E.M. Ramsay to Unidentitifed Recipient written by and published by . This book was released on 18?? with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ramsay will write to Mr. Burgess, editor of Glenwall Journal. Letter is addressed "Dear Sir." Undated.
Book Synopsis Radiative Decays Involving A0(980) and F0(980) in the Vector Meson Dominance Model by : Masayasu Harada
Download or read book Radiative Decays Involving A0(980) and F0(980) in the Vector Meson Dominance Model written by Masayasu Harada and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We summarize some features of the vector meson dominance model which was recently proposed for studying radiative decays involving the scalar mesons. Using the experimental values of {Gamma}(a{sub 0} {yields} {gamma}{gamma}), {Gamma}(f{sub 0} {yields} {gamma}{gamma}) and {Gamma}({phi} {yields} a{sub 0} {gamma}) as inputs, we show that the model predicts a large hierarchy between {Gamma}(a{sub 0} {yields} {omega}{gamma}) and {Gamma}(a{sub 0} {yields} {rho}{gamma}) as well as between {Gamma}(f{sub 0} {yields} {omega}{gamma}) and {Gamma}(f{sub 0} {yields} {rho}{gamma}).
Book Synopsis Study of Scalar Mesons and Related Radiative Decays by :
Download or read book Study of Scalar Mesons and Related Radiative Decays written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: After a brief review of the puzzling light scalar meson sector of QCD, a brief summary will be given of a paper concerning radiative decays involving the light scalars. There, a simple vector meson dominance model is constructed in an initial attempt to relate a large number of the radiative decays involving a putative scalar nonet to each other. As an application it is illustrated why a[sub 0](980)-f[sub 0](980) mixing is not expected to greatly alter the f[sub 0]/a[sub 0] production ratio for radiative[phi] decays.
Book Synopsis Vector Meson Dominance Model for Radiative Decays Involving Light Scalar Mesons by :
Download or read book Vector Meson Dominance Model for Radiative Decays Involving Light Scalar Mesons written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We study a vector dominance model which predicts a fairly large number of currently interesting decay amplitudes of the types S ->??, V -> S? and S -> V?, where S and V denote scalar and vector mesons, in terms of three parameters. As an application we first use our approach to obtain the usual puzzling result?(? -> f0?)/?(? -> a0°?)H" 1 rather than the observed value of about 3. The model makes it easy to test in detail a recent proposal to solve this puzzle by including the isospin violating a0°-f0 mixing and we find that it seems successful.
Book Synopsis Radiative Decays Involving Light Scalar Mesons by :
Download or read book Radiative Decays Involving Light Scalar Mesons written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a vector dominance model to describe radiative decays involving the light scalar mesons. Assuming that the light scalar mesons form a nonet this model gives relations among various decay amplitudes of the form S--> gamma gamma, V-->Sgamma and S--> Vgamma, where S and V denote scalar and vector mesons. By comparing with experimental radiative decay rates, including those recently measured for phi--> PP'gamma, we obtain various predictions. We discuss briefly ongoing extensions of the present work in an attempt to describe the radiative phi decay measurements in detail.
Book Synopsis Scalar Meson Effects in Radiative Decays of Vector Mesons by :
Download or read book Scalar Meson Effects in Radiative Decays of Vector Mesons written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of scalar mesons in radiative vector meson decays is investigated. The effects of scalar-isoscalar f_{0}(980) and scalar-isovector a_{0}(980) mesons are studied in the mechanism of the radiative Phi->pi{+}pi{-}gamma and phi->pi{0}eta gamma decays, respectively. A phenomenological approach is used to study the radiative phi->pi{+}p{-}gamma decay by considering the contributions of sigma-meson, rho-meson and f_{0}-meson. The interference effects between different contributions are analyzed and the branching ratio for this decay is calculated. The radiative phi->pi{0}eta gamma decay is studied within the framework of a phenomenological approach in which the contributions of rho-meson, chiral loop and a_{0}-meson are considered. The interference effects between different contributions are examined and the coupling constants g_{phi a_{0} gamma} and g_{a_{0}K{+}K{-}} are estimated using the experimental branching ratio for the phi->pi{0}eta gamma decay. Furthermore, the radiative rho{0}pi{+}pi{-}gamma$ and rho{0}->pi{0}pi{0}gamma decays are studied to investigate the role of scalar-isoscalar sigma-meson. The branching ratios of the rho{0}->pi{+}pi{-}gamma and rho{0}->pi{0}pi{0}gamma decays are calculated using a phenomenological approach by adding to the amplitude calculated within the framework of chiral perturbation theory and vector meson dominance the amplitude of sigma-meson intermediate state. In all the decays studied the scalar meson intermediate states make important contributions to the overall amplitude.
Book Synopsis Radiative Decays of Vector Mesons by : John Richard Harvey
Download or read book Radiative Decays of Vector Mesons written by John Richard Harvey and published by . This book was released on 1978 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vector Meson Radiative Decay in Lattice QCD by : Triumf
Download or read book Vector Meson Radiative Decay in Lattice QCD written by Triumf and published by . This book was released on 1986 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Search for Radiative Decays of Vector Mesons in the Radphi Experiment by : Mihajlo Kornicer
Download or read book The Search for Radiative Decays of Vector Mesons in the Radphi Experiment written by Mihajlo Kornicer and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis SU(3) Invariance in Radiative Decays and the Vector Meson Masses by : G. J. Gounaris
Download or read book SU(3) Invariance in Radiative Decays and the Vector Meson Masses written by G. J. Gounaris and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
