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Several methods have been devised to measure the weak phase gamma using decays of the type B+- --> D K+-, where it is assumed that there is no mixing in the D0-D0bar system. However, when using these methods to uncover new physics, one must…

High Energy Physics - Phenomenology · Physics 2014-11-17 Joao P Silva , Abner Soffer

The effect of the finite size of an array of scatterers on the position of the resonance poles of the scattered amplitudes is studied. This effect must be studied because in reality, an infinite array cannot be realized. In particular, it…

Mathematical Physics · Physics 2017-08-03 Friends Ndangali

The optical transmission of resonant guided-mode gratings patterned on suspended silicon nitride thin films and illuminated at normal incidence with a Gaussian beam are investigated both experimentally and theoretically. Effects due to the…

The QCD anomaly leads to an abnormal mixing and mass pattern for the pseudoscalar mesons. Furthermore it is responsible for the quality of isospin symmetry in the meson spectrum. Similarities between the large mixing angles among the…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Fritzsch

We investigate the finite size effect on pseudoscalar meson masses and decay constants using a subset of the "PACS10" configurations which are generated keeping the space-time volumes over (10 fm$)^4$ in 2+1 flavor QCD at the physical…

High Energy Physics - Lattice · Physics 2019-01-10 K. -I. Ishikawa , N. Ishizuka , Y. Kuramashi , Y. Nakamura , Y. Namekawa , Y. Taniguchi , N. Ukita , T. Yamazaki , T. Yoshie

We examine the effect of spatial bias on a nonequilibrium system in which masses on a lattice evolve through the elementary moves of diffusion, coagulation and fragmentation. When there is no preferred directionality in the motion of the…

Statistical Mechanics · Physics 2009-11-07 R. Rajesh , Supriya Krishnamurthy

We recently presented a method of analyzing invariant-mass spectra of kaon pairs resulting from decay of $\phi$ mesons produced in high-energy heavy-ion collisions. It can be used to extract the shifts in the mass and the width ($\Delta M$…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. S. Bhalerao , S. K. Gupta , P. Shukla

The finite-size effects in critical phenomena of a thin film system are studied from a mean field (MF) approach with $\phi^4$ model for second-order phase transition. The influence of boundary condition on the critical properties are…

Condensed Matter · Physics 2007-05-23 C. B. Yang , X. Cai

Advances in the field of numerical relativity now make it possible to calculate the final, most powerful merger phase of binary black-hole coalescence for generic binaries. The state of the art has advanced well beyond the equal-mass case…

General Relativity and Quantum Cosmology · Physics 2015-03-14 Sean T. McWilliams , Bernard J. Kelly , John G. Baker

In this paper, the effects of interference on composite fading environments, where multipath fading coexists with shadowing, are investigated. Based on some mathematical convenient expressions for the sum of squared…

Information Theory · Computer Science 2014-06-17 Petros S. Bithas , Athanasios A. Rontogiannis

The influence of finite size effects, choice of statistical ensemble and contribution of the forces in numerical simulations using the dissipative particle dynamics (DPD) model are revisited here. Finite size effects in stress anisotropy,…

Soft Condensed Matter · Physics 2016-12-08 Miguel Ángel Balderas Altamirano , Elías Pérez , Armando Gama Goicochea

We present analytic expressions for the vacuum polarization effects due to a light fermion with finite mass in the binding energy and in the wave function at the origin of QED and (weak coupling) QCD non-relativistic bound states.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dolors Eiras , Joan Soto

The properties of the $\bar K^*$ meson in dense matter are studied using a unitary approach in coupled channels within the framework of the local hidden gauge formalism. We obtain the $\bar K^*$ spectral function in the nuclear medium and…

Nuclear Theory · Physics 2011-09-30 Laura Tolos , Raquel Molina , Eulogio Oset , Angels Ramos

We study finite volume effects in heavy quark systems in the framework of heavy meson chiral perturbation theory for full, quenched, and partially quenched QCD. A novel feature of this investigation is the role played by the scales Delta…

High Energy Physics - Lattice · Physics 2008-11-26 Daniel Arndt , C. -J. David Lin

The mass modifications of the open charm ($D$ and $D^*$) mesons, and their effects on the decay widths $D^*\rightarrow D\pi$ as well as of the charmonium state, $\Psi(3770)$ to open charm mesons ($\Psi(3770)\rightarrow D\bar D$), are…

High Energy Physics - Phenomenology · Physics 2021-07-20 Amruta Mishra , S. P. Misra

We study the effect of the infrared (IR) geometry on the phenomenology of warped extra dimensions with gauge and fermion fields in the bulk. We focus in particular on a "mass gap" metric which is AdS in the ultraviolet, but asymptotes to…

High Energy Physics - Phenomenology · Physics 2009-12-15 Paul McGuirk , Gary Shiu , Kathryn M. Zurek

A symmetrical binary mixture AB that exhibits a critical temperature T_{cb} of phase separation into an A-rich and a B-rich phase in the bulk is considered in a geometry confined between two parallel plates a distance D apart. It is assumed…

Statistical Mechanics · Physics 2009-10-31 M. Mueller , K. Binder , E. V. Albano

We review the status of Standard Model predictions for lifetimes and mixing rates of charmed mesons. It is shown that the short distance approach is able to reproduce tau(D^+)/tau(D^0) at leading order in the 1/m_c expansion. SU(3)…

High Energy Physics - Phenomenology · Physics 2013-02-28 Markus Bobrowski , Alexander Lenz , Thomas Rauh

We discuss the effect of the supersymmetry breaking on the Mass Varying Neutrinos(MaVaNs) scenario. Especially, the effect mediated by the gravitational interaction between the hidden sector and the dark energy sector is studied. A model…

High Energy Physics - Phenomenology · Physics 2009-11-11 R. Takahashi , M. Tanimoto

We obtain the width of the $\omega$ meson in dense nuclear matter by taking into account (i) the free decay of the $\omega$ into three pions, which is dominated by $\rho \pi$ mode, (ii) the processes induced by a vector-baryon interaction…

Nuclear Theory · Physics 2014-01-10 Laura Tolos , Raquel Molina , Eulogio Oset , Angels Ramos