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Qaisar Shafi09/12/2024, 09:00
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09/12/2024, 09:10
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Digesh Raut (St. Mary's College of Maryland)09/12/2024, 09:20
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Takaaki Kajita09/12/2024, 09:35
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Prof. Maxim Perelstein (Cornell University)09/12/2024, 10:10
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Harris Kagan (O), Harris Kagan (Ohio State University (US))09/12/2024, 11:05
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Bibhushan Shakya (Deutsches Elektronen-Synchrotron (DE))09/12/2024, 11:40
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Niraj Dhital09/12/2024, 12:05
Physics and Society
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Sai Charan Chandrasekar (PhD Student at Oklahoma State University)09/12/2024, 14:00
The axion solution to the strong CP problem is closely entwined with the flavor structure of the standard model. So our model attempts at explaining the Flavor puzzle through the a gauged abelian Frogatt Nielsen mechanism and thereby automatically end up with a "quality axion" as the result of a residual anomalous $U(1)_{PQ}$ symmtery. This is achieved in a DFSZ like scenario with a "Flavon"...
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Joseph Haley (Oklahoma State University (US))09/12/2024, 14:00
The Standard Model of Particle Physics explains many natural phenomena yet remains incomplete. Vectorlike quarks (VLQs) lie at the heart of many extensions seeking to address the Hierarchy Problem, as they can naturally cancel the mass divergence for the Higgs boson. This talk summarizes recent ATLAS searches for VLQs which decay to quarks, or leptons, using Run 2 data collected at the LHC.
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Mr Shriniketan Acharya (University of Hyderabad,India)09/12/2024, 14:17
We report on the search for dark matter conducted at the CMS detector using the full Run-2 dataset from the LHC.This report focuses on the dark matter searches conducted using proton-proton collisions at a center-of-mass energy of 13 TeV with the CMS detector. It highlights the various event types investigated and discusses the findings in relation to several dark matter theories.
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Somesh Tiwari09/12/2024, 14:17
In recent years, an alternative to the standard ΛCDM model has emerged known as Fuzzy Dark Matter (FDM). We discuss how FDM, characterized by ultra-light bosonic particles with masses on the order of 10^{-22}eV, arises within String Theory constructions, particularly those involving axion-like fields. We study how FDM influences structure formation on astrophysical scales, leading to a...
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Aadarsh Singh09/12/2024, 14:34
In the Standard Model of particle physics, each generation of fermion is replicated in all quantum numbers but with a higher mass in the next generation. Three chiral generations have been found so far. Using the replication property as an inspiration we look for fractal geometries to be behind the SM flavor mixing. A realistic model based on Sierpinski geometry on a deconstruction model...
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Shubham Dutta (Saha Institute of Nuclear Physics (IN))09/12/2024, 14:34
The latest results on BSM physics searches using long-lived signatures with the CMS detector will be presented.
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Seth Koren (University of Notre Dame)09/12/2024, 14:51
Generalized global symmetries are present in theories of particle physics, and understanding their structure can give insight into these theories and UV completions thereof. We will identify non-invertible chiral symmetries in certain flavorful Z' extensions of the Standard Model, and this will lead us to interesting nonperturbative effects in theories of gauged non-Abelian flavor. For the...
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Sweta Baradia (Saha Institute of Nuclear Physics (IN))09/12/2024, 14:51
Results from search for the rare decays of the standard model\,(SM) Higgs and Z boson to a J/$\Psi$ or $\Psi'$ meson and a photon, with subsequent decay of the meson to a pair of muons will be presented in this contribution. The analysis is performed using data recorded by the CMS detector during full Run 2 from proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to...
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Takaaki Kajita09/12/2024, 17:30
Neutrinos are remarkably interesting particles. Neutrinos have three
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types, i.e., electron-neutrinos, muon-neutrinos and tau-neutrinos. They have no electric charge and interact with matter very rarely. Neutrinos have been assumed to be massless. However, if neutrinos have mass, they change their type while propagating in a medium. For example, a muon neutrino may change to a tau-neutrino.... -
Stefano Giagu (Sapienza Università di Roma and INFN Roma (IT))10/12/2024, 09:00
LHC Results: Experiment
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Gagan Mohanty (Tata Institute of Fundamental Research (IN))10/12/2024, 09:35
LHC Results
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Amrit Gautam (The University of Kansas (US))10/12/2024, 10:10
Experiment
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Michael Ratz10/12/2024, 11:05
Theory
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Prof. Mu-Chun Chen (University of California - Irvine)10/12/2024, 11:40
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Xiao-Gang He10/12/2024, 13:45
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Anjan Giri10/12/2024, 14:20
Flavor Physics Theory
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Dr. Rukmani Mohanta10/12/2024, 14:55
Theory Flavor
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Sumit Banik (University of Zurich & PSI)10/12/2024, 15:50
Statistically significant excesses exist at around 152 GeV in associated di-photon production contained in the sidebands of SM Higgs analyses. They are most pronounced in the $\gamma \gamma + \tau$, $\gamma \gamma + \text{MET}$, $\gamma \gamma + \geq 1 \ell +\geq 1b$, $\gamma \gamma + 4 j$ signal regions, and can be explained by the Drell-Yan production of new Higgs bosons, i.e. $p p \to W \to...
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Junewoo PARK (University of Tokyo (BELLE II Experiment))10/12/2024, 15:50
Experiment
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Lukas Graf (Nikhef)10/12/2024, 16:07
Theory
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Sungjin Cho10/12/2024, 16:07
Experiment
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Tarun Kumar (University of Hyderabad)10/12/2024, 16:24
The rare $b\rightarrow s\ell^+ \ell^-$ transition is a well-explored transition, particularly for new physics beyond the standard model. Similar to this transition, another flavor changing neutral current transition $b\rightarrow s\nu \bar{\nu}$ involving a dineutrino pair also plays an important role in the search for new physics. The $B \rightarrow K \nu \bar{\nu}$ mode is one such...
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Ansu Johnson (Indian Institute of Technology Madras)10/12/2024, 16:24
Experiment
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Zafri Ahmed Borboruah (IIT Bombay)10/12/2024, 16:41
We show that observations of primordial gravitational waves of inflationary origin can shed light into the scale of flavor violation in a flavon model which also explains the mass hierarchy of fermions. The energy density stored in oscillations of the flavon field around the minimum of its potential redshifts as matter and is expected to dominate over radiation in the early universe. At the...
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Youngjoon Kwon10/12/2024, 16:41
Although in the conventional quark model the hadrons are classified either mesons or baryons, the quantum chromodynamics (QCD) allows other types of hadron states, so-called exotic hadron states, such as tetraquarks, pentaquarks, glueballs, hybrid states, etc. Studies of exotic hadrons therefore could provide crucial information for understanding the detailed structure of strong interactions....
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Pratik Kafle10/12/2024, 16:58
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SAISANDRI SAINI (MNIT, Jaipur)10/12/2024, 16:58
The inflationary paradigm of the early universe has been extraordinarily consistent with the observations of the cosmic microwave background radiation,however, we still haven’t found a specific model of inflation that fits well within a high-energy theory. Analysis of recently Planck data shows that many previously popular field theoretical models like quadratic and quartic models of inflation...
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Fernando Quevedo (The Abdus Salam International Centre for Theoretical Physics)11/12/2024, 09:00
Theory
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Amol Dighe (TIFR)11/12/2024, 09:35
Theory
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Marta Losada (NYUAD)11/12/2024, 10:10
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Joshua Ruderman (Princeton University)11/12/2024, 11:05
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Jan Heisig11/12/2024, 11:40
The nature of dark matter poses one of the most pressing questions in fundamental physics today. While the thermal freeze-out of weakly interacting massive particles (WIMPs) has theoretical appeal, its validity is increasingly questioned due to experimental null results from colliders as well as direct and indirect detection experiments. In this talk, we explore dark matter genesis mechanisms...
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Dr Alessandro Minotti (Universita & INFN, Milano-Bicocca (IT))12/12/2024, 09:00
Experiment
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Mario Merola (University of Napoli Federico II and INFN - National Institute for Nuclear Physics)12/12/2024, 09:35
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Mohamed Rameez (Tata Institute of Fundamental Research)12/12/2024, 10:10
Neutrino Experiment
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Bhupal Dev (Washington University in St. Louis)12/12/2024, 11:05
Theory
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Giulia Ricciardi12/12/2024, 11:40
Neutrino Theory
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Dr Sudip Jana (Max-Planck-Institut für Kernphysik)12/12/2024, 13:45
Neutrino Theory
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Prof. Sanjib Kumar Agarwalla (Institute of Physics, Bhubaneswar and University of Wisconsin-Madison)12/12/2024, 14:20
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Claire David (AIMS South Africa)12/12/2024, 14:55
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Unik Limbu (University of Liverpool)12/12/2024, 15:50
The study of neutrino oscillations provides critical insights into the fundamental properties of neutrinos and their role in the universe. This talk focuses on the contributions of the Japanese long-baseline neutrino experiments to advancing our understanding of neutrino physics, specifically on my role in calibrating the upcoming Hyper-Kamiokande detector.
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Masato Arai (Yamagata University)12/12/2024, 15:50
We construct a brane world SU(5) Grand Unified Theory in five-dimensional space-time by using domain walls. The SU(5) gauge symmetry is broken down to the Standard Model gauge group by a domain wall configuration. Matters are localized around the domain walls by the so-called Jackiew-Rebbi mechanism while the gauge fields are localized by the non-minimal coupling between the gauge fields and...
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Ilaria Andrei12/12/2024, 16:07
The stress energy tensor we all know is related to the existence of a metric. But the metric is not the only character we can take into account when studying a theory of gravity. We can also consider an independent connection. If we do so we will have the hypermomentum tensor in the game too. This can be related to quantities such as torsion and non metricity. What is the role of these...
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Bhavna Yadav12/12/2024, 16:07
We investigate the impact of non-standard interactions (NSI), on various measures of tripartite entanglement in the context of three-flavor neutrino oscillations. Our analysis covers key entanglement measures such as concurrence, entanglement of formation (EOF), and negativity, evaluated across various experimental setups. We compare reactor experiments, including Daya Bay, JUNO, and KamLAND,...
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MORESHWAR TAYDE12/12/2024, 16:24
This study explores the potential existence of traversable wormholes influenced by a global monopole charge within the $f(Q)$ gravity framework. To elucidate the characteristics of these wormholes, we conducted a comprehensive analysis of wormhole solutions employing three different forms of redshift function under a linear $f(Q)$ model. Wormhole shape functions were derived for barotropic,...
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Ranjini Mondol12/12/2024, 16:24
James Webb Space Telescope (JWST) has revealed a surprisingly high number of UV-bright galax- ies at z ≥ 10. The UV luminosity function at these high redshifts is an excellent probe for studying structure formation on small scales and at high redshifts. Neutrino self-interaction, mediated by a new beyond the Standard Model particle is a well motivated model, that has been tested by a vari- ety...
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Lekhashri Konwar12/12/2024, 16:41
Recent anomalies observed in NO$\nu$A and T2K experiments within the framework of standard three-flavor neutrino oscillations suggest the possibility of physics beyond the Standard Model (SM). In this study, we investigate the potential violation of Leggett-Garg type inequalities (LGtI) in the context of three-flavor neutrino oscillations, focusing on scenarios involving complex Non-Standard...
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Dr Xiang-Gan Liu12/12/2024, 16:41
We investigate mass hierarchies in models with modular flavor symmetries. Several key conclusions arise from the observation that the determinants of mass matrices are one-dimensional vector-valued modular forms. Under some fairly general assumptions, we demonstrate that achieving hierarchical fermion masses requires the VEV of the modulus to be located near one of the critical points in...
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Abhishek Naskar (ShanghaiTech University)12/12/2024, 16:58
Curvaton mechanism provides an alternative way to explain the origin of the observed primordial scalar fluctuations in the Cosmic Microwave Background (CMB) radiation. In this scenario, the curvaton is a scalar field which nearly remains frozen during inflation but produces isocurvature perturbations. It starts to evolve after the end of inflation, and at the time of it's decay it converts the...
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Bhavya Thacker (Indian Institute of Technology Guwahati)12/12/2024, 16:58
We study the discovery prospects of leptophilic dark matter (DM) in future lepton colliders by considering the light neutrinos to be of Dirac type. Adopting an effective field theory (EFT) approach, we write down dimension six operators connecting the standard model (SM) fields, light Dirac neutrinos and DM. Considering DM relic to be generated via the thermal freeze-out, we check the...
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Francois BOUCHET13/12/2024, 09:00
Experiment
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Daniel Tapia Takaki (University of Kansas)13/12/2024, 09:35
Experiment
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Prolay Mal (National Institute of Science Education and Research (NISER) (IN))13/12/2024, 10:10
Experimental
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Brian Shuve (Harvey Mudd College)13/12/2024, 11:05
Hidden sectors can give rise to novel dynamics in the early universe, and correlated signatures in experiments today. I will discuss some examples of thermal and non-thermal hidden sectors that can account for dark matter and/or the baryon asymmetry, and present new results and prospects for experimental searches that improve our sensitivity to these hidden sectors.
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JESSICA TURNER13/12/2024, 11:40
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Masahide Yamaguchi (Tokyo Institute of Technology)13/12/2024, 13:45
Theory
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Manjari Bagchi13/12/2024, 14:20
Neutron stars are rapidly spinning, highly magnetised, extremely dense compact stars. They are believed to be composed of mostly neutrons and some amount of other baryons. There are even theories that free quarks exist near the core of neutron stars. Hence, knowing the properties of neutron stars observationally help us understand properties of matter at extreme densities. Neutron stars are...
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Luciano Musa (CERN)13/12/2024, 14:55
Physics and Society
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Ms Lekhika Malhotra (Indian Institute of Technology Bombay)13/12/2024, 15:50
We study thermal and non-thermal resonant leptogenesis in a general setting where a heavy scalar $\phi$ decays to right-handed neutrinos (RHNs) whose further out-of-equilibrium decay generates the required lepton asymmetry. Domination of the energy budget of the Universe by the $\phi$ or the RHNs alters the evolution history of the primordial gravitational waves (PGW) of inflationary origin,...
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Xucheng Gan13/12/2024, 15:50
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Ms Sanchari Bhattacharyya (Indian Institute of Science)13/12/2024, 16:07
Dark Matter (DM) has become one of the major shortcomings of Standard Model (SM) of Particle Physics. We consider a model independent approach to search for Dark Matter in the context of HL-LHC (High Luminosity Large Hadron Collider) where our DM candidate is a Dirac-like fermion. In this analysis, we present the effect of one dimension-6 and two dimension-7 effective opertors who are...
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Alexey Konovalov (LPI/MEPhI)13/12/2024, 16:07
The vGeN experiment is performed at the Kalinin Nuclear Power Plant at a distance of 11 m from the center of the reactor core. The goals of the experiment include observation of coherent elastic scattering of reactor antineutrinos off nuclei (CEvNS) and search for the magnetic moment of antineutrino (NMM) using a 1.4 kg low-threshold germanium detector. Based on the data from September 2022 to...
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Sunil Kumar Saini (CENTRAL UNIVERSITY OF SOUTH BIHAR)13/12/2024, 16:24
We propose an experiment focused on designing and developing a liquid organic scintillation detector, along with its characterization using a photomultiplier tube for scintillation counting and high-energy particle detection. The experiment aims to optimize conditions for long-term stability, low background noise, high gain, and a high signal-to-noise ratio. We will also examine the system's...
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Mr Arijit Das (Indian Institute of Science Education and Research, Thiruvananthapuram, India)13/12/2024, 16:24
The phenomenology community has extensively investigated the extreme conditions of matter within fermionic dark matter (FDM) admixed neutron stars using various effective field theories. A popular model in this context is hereby referred to as the σ − ω − ρ + FDM model, which incorporates fermionic dark matter interacting with baryonic matter through new scalar and vector mediators. However,...
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Mr Rajendra Neupane (Central Department of Physics, Tribhuvan University, Kathmandu, Nepal)13/12/2024, 16:41
The sources of high-energy astrophysical neutrino events are still unknown. We searched sources at an angular separation of 3 degrees from the neutrino event positions. out of 340 high energy astrophysical neutrinos, 262 were found to coincide with the positions of the blazar sources. The coincident number of blazar sources is 460. Nine of these sources had a maximum of four neutrino events...
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Naresh Adhikari13/12/2024, 16:41
Multi-messenger LIGO
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manula dissanayake (University of Ruhuna, Sri Lanka)13/12/2024, 16:58
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Harsh Aggarwal (Indian Institute of Technology, Kharagpur)13/12/2024, 16:58
For scattering cross sections large enough to make the detector in direct searches optically thick to
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the incident dark matter, dedicated multi-scatter signatures are being sought. We provide some sig-
nificant updates to the multi-scatter program. First, we refine earlier treatments of the dark matter
flux through detectors, generalizing to arbitrary geometries and velocity distributions.... -
Anil Thapa (University of Virginia)
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Kunal Pandey
A novel scenario is presented within the Type-I seesaw
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mechanism in which no other beyond Standard Model fields except three
heavy right handed neutrinos, have been considered. Light neutrino
masses around sub eV scale, could be possible at low seesaw scale around
TeV or even below that. At the leading order, 6x6 seesaw mass matrix
reproduces three massless neutrinos. The Dirac mass...
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