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We construct two-dimensional ${\cal N} = (2, 2)$ supersymmetric gauge theories on a Euclidean spacetime lattice with matter in the two-index symmetric and anti-symmetric representations of SU($N_c$) color group. These lattice theories…

High Energy Physics - Lattice · Physics 2015-06-19 Anosh Joseph

We explore the properties of self-conjugate dark matter (DM) particles that predominantly interact with Standard Model electroweak gauge bosons, using an effective field theory approach. The study emphasizes effective contact interactions,…

High Energy Physics - Phenomenology · Physics 2025-06-06 Hrishabh Bharadwaj

We consider an inelastic dark matter model, where a fermion is charged under a broken U(1) gauge symmetry, and introduce a tiny Majorana mass term to split the fermion into two states with the light one being a dark matter candidate. If the…

High Energy Physics - Phenomenology · Physics 2020-02-12 Gerardo Alvarez , Hai-Bo Yu

We propose a novel model for lepton flavor and dark matter based on the $SU(2)_D$ gauge symmetry and vector-like leptons in its fundamental representations. We introduce a dark $SU(2)_D$ Higgs doublet and a Higgs bi-doublet for the mass…

High Energy Physics - Phenomenology · Physics 2022-07-20 Seong-Sik Kim , Hyun Min Lee , Adriana G. Menkara , Kimiko Yamashita

We propose a pseudo-Nambu-Goldstone boson (pNGB) dark matter (DM) model based on an additional non-Abelian gauge symmetry $SU(2)_D$. The gauge symmetry $SU(2)_D$ is spontaneously broken to a global custodial symmetry $U(1)_V$ via the…

High Energy Physics - Phenomenology · Physics 2023-01-11 Hajime Otsuka , Takashi Shimomura , Koji Tsumura , Yoshiki Uchida , Naoki Yamatsu

We use Schwinger Bosons as prepotentials for lattice gauge theory to define local linking oper- ators and calculate their action on linking states for 2 + 1 dimensional SU(2) lattice gauge theory. We develop a diagrammatic technique and…

High Energy Physics - Lattice · Physics 2016-11-18 Ramesh Anishetty , Indrakshi Raychowdhury

The properties of the pseudoscalar Goldstone bosons in the color-flavor locked phase at moderate densities are studied within a model of the Nambu--Jona-Lasinio type. The Goldstone bosons are constructed explicitly by solving the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Verena Kleinhaus , Michael Buballa , Dominik Nickel , Micaela Oertel

The gauge kinetic mixing in general is allowed in models with multiple Abelian gauge groups. In this paper, we investigate the gauge kinetic mixing in the framework of $U(1)$ extensions of the MSSM. It enlarges the viable parameter space,…

High Energy Physics - Phenomenology · Physics 2017-06-21 Geneviève Bélanger , Jonathan Da Silva , Hieu Minh Tran

Tensor-network methods enable probing dynamics of strongly interacting quantum many-body systems, including gauge theories, via Hamiltonian simulation, hence bypassing sign problems. They also have the potential to inform efficient…

High Energy Physics - Lattice · Physics 2025-02-18 Emil Mathew , Navya Gupta , Saurabh V. Kadam , Aniruddha Bapat , Jesse Stryker , Zohreh Davoudi , Indrakshi Raychowdhury

In this work we consider strongly interacting dark matter candidates as composite states of $N_f=2$ fermions charged under a dark $Sp(4)$ gauge group in the fundamental representation. We give expressions that allow the calculation of…

High Energy Physics - Lattice · Physics 2023-12-01 Yannick Dengler , Axel Maas , Fabian Zierler

We consider an extension of the standard electroweak theory with gauge group $SU(2)_L \times SU(2)_R \times U(1)_{\tilde{Y}}$, where the gauge bosons of the extra $SU(2)_R$ factor do not couple to ordinary fermions. We show that precision…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Donini , F. Feruglio , J. Matias , F. Zwirner

We analyse the interplay of the constraints imposed on flavour-symmetric Composite Higgs models by Naturalness considerations and the constraints derived from Flavour Physics and Electroweak Precision Tests. Our analysis is based on the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Oleksii Matsedonskyi

We present hydrodynamic simulations of a flavour-mixed two-component dark matter (2cDM) model that utilize IllustrisTNG baryonic physics. The model parameters are explored for two sets of power laws of the velocity-dependent cross sections,…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-28 Ryan Low , Rakshak Adhikari , Jonah C. Rose , Stephanie O'Neil , Mikhail V. Medvedev , Paul Torrey , Mark Vogelsberger

We identify the global symmetries of SU(2) lattice gauge theory with N flavors of staggered fermion in the presence of a quark chemical potential mu, for fermions in both fundamental and adjoint representations, and anticipate likely…

High Energy Physics - Lattice · Physics 2009-01-07 S. Hands , I. Montvay , S. Morrison , M. Oevers , L. Scorzato , J. Skullerud

Exotic dark matter together with the vacuum energy (cosmological constant) seem to dominate in the flat Universe. Thus direct dark matter detection is central to particle physics and cosmology. Supersymmetry provides a natural dark matter…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. D. Vergados

In a model with an extra $U(1)$ gauge to SM gauge group, we have shown the allowed region of masses of extra gauge boson and the dark matter which is the lightest one among other right-handed Majorana fermions present in the model. To…

High Energy Physics - Phenomenology · Physics 2020-04-22 Imtiyaz Ahmad Bhat , Rathin Adhikari

We study the neutralino dark matter phenomenology in the context of effective field theories derived from the weakly--coupled heterotic string. We consider in particular direct detection and indirect detection with neutrino telescopes…

High Energy Physics - Phenomenology · Physics 2011-05-23 Pierre Binetruy , Yann Mambrini , Emmanuel Nezri

We study a left right (LR) extension of the Standard Model (SM) where the Dark Matter (DM) candidate is composed of a set of fermionic Majorana triplets. The DM is stabilized by a remnant $Z_{2}$ symmetry from the breaking of the LR group…

High Energy Physics - Phenomenology · Physics 2017-06-07 Carolina Arbeláez , Martin Hirsch , Diego Restrepo

We consider a model with Sp dark gauge group and a scalar field in the fundamental representation, which leads to two co-stable DM candidates at the perturbative level thanks to a global U(1) accidental symmetry. After gauge confinement at…

High Energy Physics - Phenomenology · Physics 2021-02-22 Giacomo Landini , Jin-Wei Wang

We delve deeper into the potential composition of dark matter as stable scalar glueballs from a confining dark $SU(N)$ gauge theory, focusing on $N=\{3,4,5\}$. To predict the relic abundance of glueballs for the various gauge groups and…

High Energy Physics - Phenomenology · Physics 2023-12-20 Pierluca Carenza , Tassia Ferreira , Roman Pasechnik , Zhi-Wei Wang