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In this work we study some features of head-on mergers of equilibrium solutions of the Gross-Pitaevskii-Poisson system that rules the dynamics of the ultralight bosonic dark matter model. The importance of equilibrium solutions is that they…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-13 Ana Avilez-Lopez , F. S. Guzmán

We study collider phenomenology of the so-called 331 model with $SU(3)_C\otimes SU(3)_L\otimes U(1)_X$ gauge structure at the large hadron collider, including single and double Higgs boson productions, Higgs boson rare decay, $Z^\prime$…

High Energy Physics - Phenomenology · Physics 2016-11-29 Qing-Hong Cao , Dong-Ming Zhang

Higgs boson production by the gluon fusion and its decay into two photons at the LHC are investigated in the context of the gauge-Higgs unification scenario. The qualitative behaviors for these processes in the scenario are quite…

High Energy Physics - Phenomenology · Physics 2017-08-23 Nobuhito Maru , Nobuchika Okada

Two-boson momentum correlations at fixed particle number constraint are studied in a simple analytically solvable model of a thermal expanding system. We show that the increase of expansion rate, as well as increase of particle…

High Energy Physics - Phenomenology · Physics 2022-05-31 M. D. Adzhymambetov , S. V. Akkelin , Yu. M. Sinyukov

Kaon production in pion-nucleon collisions in nuclear matter is studied in the resonance model. To evaluate the in-medium modification of the reaction amplitude as a function of the baryonic density we introduce relativistic, mean-field…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , A. W. Thomas

Cosmological relaxation of the electroweak scale is improved by using particle production to trap the relaxion. We combine leptogenesis with such a relaxion model that has no extremely small parameters or large e-foldings. Scanning happens…

High Energy Physics - Phenomenology · Physics 2019-05-22 Minho Son , Fang Ye , Tevong You

Family gauge boson production at the LHC is investigated according to a $U(3)$ family gauge model with twisted family number assignment. In the model we study, a family gauge boson with the lowest mass, $A_1^{\ 1}$, interacts only with the…

High Energy Physics - Phenomenology · Physics 2015-09-30 Yoshio Koide , Masato Yamanaka , Hiroshi Yokoya

We propose using the lightest CP-even Higgs boson in the minimal supersymmetric standard model (MSSM) to probe the stop sector. Unlike measuring stop masses in production/decay processes which requires knowledge of masses and mixing angles…

High Energy Physics - Phenomenology · Physics 2008-11-26 Radovan Dermisek , Ian Low

The current status of various thermal and statistical descriptions of particle production in the ultra-relativistic heavy-ion collisions experiments is presented in detail. We discuss the formulation of various types of thermal models of a…

High Energy Physics - Phenomenology · Physics 2017-01-06 S. K. Tiwari , C. P. Singh

The Equation of State and the properties of matter in the high temperature deconfined phase are analyzed by a quasiparticle approach for $T> 1.2~T_c$. In order to fix the parameters of our model we employ the lattice QCD data of energy…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paolo Castorina , Massimo Mannarelli

We study bosonic atoms with two internal states in artificial gauge potentials whose strengths are different for the two components. A series of topological phases for such systems is proposed using the composite fermion theory and the…

Quantum Gases · Physics 2016-08-03 Ying-Hai Wu , Tao Shi

Despite its great success in explaining the basic interactions of nature, the standard model suffers from an inability to explain the observed masses of the fundamental particles and the weak mixing angles between them. We shall survey a…

High Energy Physics - Phenomenology · Physics 2009-10-22 Donald S. Shaw , Ray R. Volkas

We present a worldvolume effective action suitable for the study of the confined phase of a Dp-anti-Dp system at weak coupling. We identify the mechanism by which the fundamental string arises from this action as a confined electric flux…

High Energy Physics - Theory · Physics 2009-03-12 Norberto Gutierrez , Yolanda Lozano

We study the ground-state properties and nonequilibrium dynamics of hard-core bosons confined in one-dimensional lattices in the presence of an additional periodic potential (superlattice) and a harmonic trap. The dynamics is analyzed after…

Other Condensed Matter · Physics 2017-09-11 Marcos Rigol , Alejandro Muramatsu , Maxim Olshanii

We apply to the case of gauge group G = SU(2) in three dimensions a recently proposed gauge-independent mechanism for confinement that is based on a particular form of the dual spin foam framework for lattice gauge theory. Explicit formulae…

High Energy Physics - Lattice · Physics 2010-05-07 J. Wade Cherrington

Controlling the coupling between different degrees of freedom in many-body systems is a powerful technique for engineering novel phases of matter. We create a bilayer system of two-dimensional (2D) ultracold Bose gases and demonstrate the…

The grand-canonical version of the thermal model is used to analyze the ratios of particle abundances measured in ultra-relativistic heavy-ion collisions. Exactly the same model is applied to study the heavy-ion reactions at BNL AGS, CERN…

Nuclear Theory · Physics 2007-05-23 Mariusz Michalec

The confinement problem remains one of the most difficult problems in theoretical physics. An important step toward the solution of this problem is the Polyakov's work on abelian confinement. The Georgi-Glashow model is a natural testing…

High Energy Physics - Theory · Physics 2015-06-16 Mohamed M. Anber

We propose a low energy extension of the Standard Model consisting of an additional gauged $U(1)_{B-L}$ plus three right-handed neutrinos. The lightest right-handed neutrinos have TeV scale masses and may be produced at colliders via their…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. F. King , T. Yanagida

In the context of topflavor seesaw model, we study the production of the heavy charged gauge boson ${W_{H}}$ associated with a top quark at the LHC. Focusing on the searching channel $pp\rightarrow tW_H\rightarrow t\bar{t}b \rightarrow l\nu…

High Energy Physics - Phenomenology · Physics 2015-06-19 Qing-Guo Zeng , Shuo Yang , Chong-Xing Yue , You Yu