102 citations · 738 across the 30 of their papers we have counts for
25 papers · 1 filter
Conformal Freeze-In from Neutrino Portal
Sungwoo Hong, Maxim Perelstein, Taewook Youn
We study a scenario where a dark sector, described by a Conformal Field Theory (CFT), interacts with the Standard Model through the neutrino portal. In this setup, conformal invari…
Conformal Leptogenesis in Composite Higgs Models
Kaustubh Agashe, Peizhi Du, Majid Ekhterachian +3
We study the generation of the baryon asymmetry in Composite Higgs models with partial compositeness of the Standard Model (SM) fermions and heavy right-handed neutrinos, developin…
Introduction to Generalized Global Symmetries in QFT and Particle Physics
T. Daniel Brennan, Sungwoo Hong
Generalized symmetries (also known as categorical symmetries) is a newly developing technique for studying quantum field theories. It has given us new insights into the structure o…
Coupling a Cosmic String to a TQFT
T. Daniel Brennan, Sungwoo Hong, Lian-Tao Wang
A common framework of particle physics consists of two sectors of particles, such as the Standard Model and a dark sector, with some interaction between them. In this work, we init…
Neutrino Masses from Generalized Symmetry Breaking
Clay Cordova, Sungwoo Hong, Seth Koren +1
We explore generalized global symmetries in theories of physics beyond the Standard Model. Theories of bosons generically contain 'non-invertible' chiral symmetries, whose pre…
Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
Tulika Bose, Antonio Boveia, Caterina Doglioni +318
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. It combines the EF topical group reports of EF08 (Model-specific explorations), EF09 (More gen…
Conformal Freeze-In, Composite Dark Photon, and Asymmetric Reheating
Wen Han Chiu, Sungwoo Hong, Lian-Tao Wang
Large classes of dark sector models feature mass scales and couplings very different from the ones we observe in the Standard Model (SM). Moreover, in the freeze-in mechanism, ofte…
Dark Matter from a Conformal Dark Sector
Sungwoo Hong, Gowri Kurup, Maxim Perelstein
We consider theories in which a dark sector is described by a Conformal Field Theory (CFT) over a broad range of energy scales. A coupling of the dark sector to the Standard Model…
Snowmass2021 White Paper: Collider Physics Opportunities of Extended Warped Extra-Dimensional Models
Kaustubh Agashe, Jack H. Collins, Peizhi Du +5
While the warped extra-dimensional models provide an attractive solution to both the gauge and the flavor hierarchy problems, the mass scale of new particles predicted by the minim…
Z-portal Continuum Dark Matter
Csaba Csáki, Sungwoo Hong, Gowri Kurup +3
We examine the possibility that dark matter (DM) consists of a gapped continuum, rather than ordinary particles. A Weakly-Interacting Continuum (WIC) model, coupled to the Standard…
Continuum Dark Matter
Csaba Csáki, Sungwoo Hong, Gowri Kurup +3
We initiate the study of dark matter models based on a gapped continuum. Dark matter consists of a mixture of states with a continuous mass distribution, which evolves as the unive…
Conformal Freeze-In of Dark Matter
Sungwoo Hong, Gowri Kurup, Maxim Perelstein
We present the conformal freeze-in (COFI) scenario for dark matter production. At high energies, the dark sector is described by a gauge theory flowing towards a Banks-Zaks fixed p…
Clockwork Neutrinos
Sungwoo Hong, Gowri Kurup, Maxim Perelstein
Clockwork (CW) mechanism can explain the smallness of neutrino masses without introducing unnaturally small input parameters. In this paper we study the simplest CW neutrino model,…
Natural Seesaw and Leptogenesis from Hybrid of High-Scale Type I and TeV-Scale Inverse
Kaustubh Agashe, Peizhi Du, Majid Ekhterachian +3
We develop an extension of the basic inverse seesaw model which addresses simultaneously two of its drawbacks, namely, the lack of explanation of the tiny Majorana mass term fo…
Detecting a Boosted Diboson Resonance
Kaustubh Agashe, Jack H. Collins, Peizhi Du +3
New light scalar particles in the mass range of hundreds of GeV, decaying into a pair of bosons can appear in several extensions of the SM. The focus of collider studies for…
Hybrid seesaw leptogenesis and TeV singlets
Kaustubh Agashe, Peizhi Du, Majid Ekhterachian +3
The appealing feature of inverse seesaw models is that the Standard Model (SM) neutrino mass emerges from the exchange of TeV scale singlets with sizable Yukawa couplings, which ca…
Dedicated Strategies for Triboson Signals from Cascade Decays of Vector Resonances
Kaustubh Agashe, Jack H. Collins, Peizhi Du +3
New colorless electroweak (EW) charged spin-1 particles with mass of a few TeV arise in numerous extensions of the Standard Model (SM). Decays of such a vector into a pair of SM pa…
LHC Signals for Singlet Neutrinos from a Natural Warped Seesaw (II)
Kaustubh Agashe, Peizhi Du, Sungwoo Hong
A natural seesaw mechanism for obtaining the observed size of SM neutrino masses can arise in a warped extra dimensional/composite Higgs framework. In a previous paper, we initiate…
LHC signals for Singlet Neutrinos from a Natural Warped Seesaw (I)
Kaustubh Agashe, Peizhi Du, Sungwoo Hong
Recently, it was shown in arXiv:1512.06742 that a straightforward implementation of the type I seesaw mechanism in a warped extra dimensional framework is in reality a {\em natural…
LHC Signals from Cascade Decays of Warped Vector Resonances
Kaustubh S. Agashe, Jack Collins, Peizhi Du +3
Recently (arXiv:1608.00526), a new framework for warped higher-dimensional compactifications with "bulk" standard model (SM) was proposed: in addition to the UV (Planck scale) and…
Flavor Universal Resonances and Warped Gravity
Kaustubh Agashe, Peizhi Du, Sungwoo Hong +1
Warped higher-dimensional compactifications with "bulk" standard model, or their AdS/CFT dual as the purely 4D scenario of Higgs compositeness and partial compositeness, offer an e…
Warped Seesaw is Physically Inverted
Kaustubh Agashe, Sungwoo Hong, Luca Vecchi
Warped extra dimensions can address both the Planck-weak and flavor hierarchies of the Standard Model (SM). In this paper we discuss the SM neutrino mass generation in a scenario i…
Energy spectra of massive two-body decay products and mass measurement
Kaustubh Agashe, Roberto Franceschini, Sungwoo Hong +1
We have recently established a new method for measuring the mass of unstable particles produced at hadron colliders based on the analysis of the energy distribution of a massless p…
A Hidden Dark Matter Sector, Dark Radiation, and the CMB
Zackaria Chacko, Yanou Cui, Sungwoo Hong +1
We consider theories where dark matter is composed of a thermal relic of weak scale mass, whose couplings to the Standard Model (SM) are however too small to give rise to the obser…