English
Related papers

Related papers: Helicity Evolution at Small $x$: Flavor Singlet an…

200 papers

Uncovering the physics of electroweak symmetry breaking (EWSB) is the raison-d'etre of the LHC. Flavor questions, it would seem, are of minor relevance for this quest, apart from their role in constraining the possible structure of EWSB…

High Energy Physics - Phenomenology · Physics 2015-06-03 Yael Shadmi

We study the time evolution of the distribution functions for hot and or degenerate gases of two flavors of Dirac neutrinos as a result of flavor mixing and dephasing. This is achieved by obtaining the time evolution of the flavor density…

High Energy Physics - Phenomenology · Physics 2009-11-10 D. Boyanovsky , C. M. Ho

The flavor changing neutral current decays $t\to c X$ ($X=\gamma,\,g,\, Z,\, H$) and $t\to c\bar \ell\ell $ ($\ell=\mu,\,\tau$) are studied in a renormalizable scalar leptoquark (LQ) model with no proton decay, where a scalar $SU(2)$…

High Energy Physics - Phenomenology · Physics 2019-09-04 A. Bolaños , R. Sánchez-Vélez , G. Tavares-Velasco

We calculate the massive flavor non-singlet Wilson coefficient for the heavy flavor contributions to the polarized structure function $g_1(x,Q^2)$ in the asymptotic region $Q^2 \gg m^2$ to 3-loop order in Quantum Chromodynamics at general…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. Behring , J. Blümlein , A. De Freitas , A. von Manteuffel , C. Schneider

Recent experiments have observed large anisotropic collective flows in high multiplicity proton-lead collisions at the Large Hadron Collider (LHC), which indicates the possible formation of mini quark-gluon plasma (QGP) in small collision…

High Energy Physics - Phenomenology · Physics 2022-03-29 Yu-Fei Liu , Wen-Jing Xing , Xiang-Yu Wu , Guang-You Qin , Shanshan Cao , Hongxi Xing

We compute the difference in the renormalization of flavor singlet and nonsinglet fermion bilinear operators, to two loops in perturbation theory. Our results are applicable to a rather wide class of lattice actions with Symanzik improved…

High Energy Physics - Lattice · Physics 2014-11-26 M. Constantinou , M. Hadjiantonis , H. Panagopoulos

Flavor physics is about particle mass-degeneracy-deviations (DMD) and mixing and especially about hierarchies of those deviations. On the one hand there is no established theory of particle flavor at present; on the other hand there are…

High Energy Physics - Phenomenology · Physics 2008-02-12 E. M. Lipmanov

We examine simulations of core-collapse supernovae in spherical symmetry. Our model is based on general relativistic radiation hydrodynamics with three-flavor Boltzmann neutrino transport. We discuss the different supernova phases,…

High Energy Astrophysical Phenomena · Physics 2012-01-04 T. Fischer , M. Liebendörfer , F. -K. Thielemann , G. Martínez-Pinedo , B. Ziebarth , K. Langanke

Within the general framework of using spontaneous CP violation to solve the strong CP problem, we construct a variant Nelson-Barr model in which the Standard Model (SM) quark contribution to the strong CP phase is cancelled by new heavy…

High Energy Physics - Phenomenology · Physics 2023-05-03 Yang Bai , George N. Wojcik

The Standard Model (SM) of particle physics fails to explain the observed hierarchy in fermion masses or the origin of fermion-flavor structure. We construct a model to explain these observations in the quark sector. We introduce a spectrum…

High Energy Physics - Phenomenology · Physics 2026-03-16 Bhubanjyoti Bhattacharya , Suneth Jayawardana , Nausheen R. Shah

We present results, for heavy to moderate quark masses, of a study of thermodynamic properties of 1-flavour QCD, using the multiboson algorithm. Finite-size scaling behaviour is studied on lattices of size $8^3\times 4$, $12^3\times 4$ and…

High Energy Physics - Lattice · Physics 2009-10-30 C. Alexandrou , A. Borici , A. Feo , Ph. de Forcrand , A. Galli , F. Jegerlehner , T. Takaishi

We first study the so-called Heat equation with two families of elliptic operators whichare fully nonlinear, and depend on some eigenvalues of the Hessian matrix. The equationwith operators including the "large" eigenvalues has strong…

Analysis of PDEs · Mathematics 2019-03-28 Matthieu Alfaro , Isabeau Birindelli

The X-ray properties of a sample of 11 high-redshift (0.6<z<1.0) clusters observed with Chandra and/or XMM are used to investigate the evolution of the cluster scaling relations. The observed evolution of the L-T and M-L relations is…

Astrophysics · Physics 2009-11-10 B. J. Maughan , L. R. Jones , H. Ebeling , C. Scharf

We consider the flavor-changing decays of the Higgs boson in a grand unified theory framework which is based on the SU(5) gauge group and implements the principle of minimal flavor violation. This allows us to explore the possibility of…

High Energy Physics - Phenomenology · Physics 2016-12-07 Seungwon Baek , Jusak Tandean

In preparation of lattice studies of the two-color QCD phase diagram we study chiral restoration and deconfinement at finite temperature with two flavors of staggered quarks using an RHMC algorithm on GPUs. We first study unquenching…

High Energy Physics - Lattice · Physics 2013-11-19 David Scheffler , Christian Schmidt , Dominik Smith , Lorenz von Smekal

We present a set of formulas to extract two second-order independent differential equations for the gluon and singlet distribution functions. Our results extend from the LO up to NNLO DGLAP evolution equations with respect to the…

High Energy Physics - Phenomenology · Physics 2014-02-04 G. R. Boroun , B. Rezaei

We re-examine the possibility that the solution to the supersymmetric flavor problem is related to small mixing angles in gaugino couplings induced by approximate horizontal Abelian symmetries. We prove that, for a large class of models,…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yosef Nir , Guy Raz

Evolution of structure functions is studied in a chiral potential model which incorporates the pion as the chiral symmetry restoring field. Evolution equations for the quark and pion densities are derived in the lowest order at large $Q^2$.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kakali Roy-Maity , Padmanabha Dasgupta

We show that, in the relativistic limit, the quantum theory of neutrino oscillations can be described through the theory of weak measurements with pre and post-selection. The weak nature of neutrino detection allows simultaneous…

Quantum Physics · Physics 2022-05-26 Yago P. Porto-Silva , Marcos C. de Oliveira

In this work, we investigate holographic complexity growth in a flavor-dependent Einstein-Maxwell-Dilaton (EMD) model, where the parameters are determined through machine learning algorithms fitted to lattice QCD equation of state (EoS) and…

High Energy Physics - Phenomenology · Physics 2025-12-01 Wen-Bin Chang , Xun Chen , Defu Hou
‹ Prev 1 8 9 10 Next ›