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426 papers · 1 filter
Discovery prospects of a light charged Higgs near the fermiophobic region of Type-I 2HDM
Disha Bhatia, Nishita Desai, Siddharth Dwivedi
Determining if the SM-like Higgs is part of an extended Higgs sector is the most important question to be asked after discovery. A light charged Higgs boson with mass smaller than…
Probability transport on the Fock space of a disordered quantum spin chain
Isabel Creed, David E. Logan, Sthitadhi Roy
Within the broad theme of understanding the dynamics of disordered quantum many-body systems, one of the simplest questions one can ask is: given an initial state, how does it evol…
Contrast inversion in neutral atom microscopy using atomic cluster beams
Geetika Bhardwaj, Pranav R. Shirhatti
This work explores the possibility of atomic cluster beams as a probe for neutral atom microscopy (NAM) measurements. Using a beam of Kr clusters with mean size 10 atoms…
Sub-arcminute localization of 13 repeating fast radio bursts detected by CHIME/FRB
Daniele Michilli, Mohit Bhardwaj, Charanjot Brar +23
We report on improved sky localizations of thirteen repeating fast radio bursts (FRBs) discovered by CHIME/FRB via the use of interferometric techniques on channelized voltages fro…
Perpendicular electric field drives Chern transitions and layer polarization changes in Hofstadter bands
Pratap Chandra Adak, Subhajit Sinha, Debasmita Giri +10
Moiré superlattices engineer band properties and enable observation of fractal energy spectra of Hofstadter butterfly. Recently, correlated-electron physics hosted by flat bands in…
Probing quasar lifetimes with proximate -centimetre absorption in the diffuse intergalactic medium at redshifts
Tomáš Šoltinský, James S. Bolton, Margherita Molaro +5
Enhanced ionizing radiation in close proximity to redshift quasars creates short windows of intergalactic Ly transmission blueward of the quasar Ly emission line…
The Hitchhiker's guide to the galaxy catalog approach for gravitational wave cosmology
Jonathan R. Gair, Archisman Ghosh, Rachel Gray +28
We outline the ``dark siren'' galaxy catalog method for cosmological inference using gravitational wave (GW) standard sirens, clarifying some common misconceptions in the implement…
Interpretation of Radio Afterglows in the framework of the Standard Fireball and Energy Injection models
Delina Levine, Maria Dainotti, Nissim Fraija +3
Gamma-Ray Bursts (GRBs) are panchromatic, highly energetic transients whose energy emission mechanism is still debated. One of the possible explanations is the standard fireball mo…
Imaging-spectroscopy of a band-split type II solar radio burst with the Murchison Widefield Array
Shilpi Bhunia, Eoin P. Carley, Divya Oberoi +1
Type II solar radio bursts are caused by magnetohydrodynamics (MHD) shocks driven by solar eruptive events such as Coronal Mass Ejections (CMEs). Often both fundamental and harmoni…
A Polarimetric Study of 9 PG Quasars with the VLA
Janhavi Baghel, P. Kharb, Silpa S. +2
We present polarization images of 9 radio-loud (RL) quasars from the VLA B-array at 6 GHz. These quasars belong to the Palomar-Green (PG) "blazar" sample comprising 16 RL quasars a…
Atomic Gas Scaling Relations of Star-forming Galaxies at
Aditya Chowdhury, Nissim Kanekar, Jayaram Chengalur
We use the Giant Metrewave Radio Telescope (GMRT) Cold-HI AT (CAT) survey, a 510 hr HI 21cm emission survey of galaxies at , to report the first measur…
pyTANSPEC: A Data Reduction Package for TANSPEC
Supriyo Ghosh, Joe P. Ninan, Devendra K. Ojha +1
The TIFR-ARIES Near Infrared Spectrometer (TANSPEC) instrument provides simultaneous wavelength coverage from 0.55 to 2.5 micron, mounted on India's largest ground-based telescope,…
Ultraviolet imaging observations of three jellyfish galaxies: Star formation suppression in the centre and ongoing star formation in stripped tails
Koshy George, B. M. Poggianti, Neven Tomičić +13
Spiral galaxies undergo strong ram-pressure effects when they fall into the galaxy cluster potential. As a consequence, their gas is stripped to form extended tails within which st…
Holographic thermal correlators: A tale of Fuchsian ODEs and integration contours
R. Loganayagam, Mukund Rangamani, Julio Virrueta
We analyze real-time thermal correlation functions of conserved currents in holographic field theories using the grSK geometry, which provides a contour prescription for their eval…
Measurement of the electroweak production of W in association with two jets in proton-proton collisions at = 13 TeV
CMS Collaboration
A measurement is presented for the electroweak production of a W boson, a photon (), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected…
Entanglement Entropy in Internal Spaces and Ryu-Takayanagi Surfaces
Sumit R. Das, Anurag Kaushal, Gautam Mandal +3
We study minimum area surfaces associated with a region, , of an internal space. For example, for a warped product involving an asymptotically space and an internal space…
Hunting Down White Dwarf--Main Sequence Binaries Using Multi-Wavelength Observations
Prasanta K. Nayak, Anindya Ganguly, Sourav Chatterjee
Identification of white dwarfs (WD) with main-sequence (MS) companions and characterization of their properties can put important constraints on our understanding of binary stellar…
Search for long-lived particles using out-of-time trackless jets in proton-proton collisions at = 13 TeV
CMS Collaboration
A search for long-lived particles decaying in the outer regions of the CMS silicon tracker or in the calorimeters is presented. The search is based on a data sample of proton-proto…
NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity
Robert C. Frazier, Gudmundur Stefansson, Suvrath Mahadevan +27
TOI-2076 b is a sub-Neptune-sized planet () that transits a young () bright () K-dwarf hosting a system of three transiting…
On generalized eigenvalue problems of fractional -Laplace operator with two parameters
Nirjan Biswas, Firoj Sk
For and , we study the following nonlinear Dirichlet eigenvalue problem with parameters driven by the sum of two nonloca…
Modelling Annual Scintillation Velocity Variations of FRB 20201124A
R. A. Main, S. Bethapudi, V. R. Marthi +5
Compact radio sources exhibit scintillation, an interference pattern arising from propagation through inhomogeneous plasma, where scintillation patterns encode the relative distanc…
A twisted tale of the transverse-mass tail
Triparno Bandyopadhyay, Ankita Budhraja, Samadrita Mukherjee +1
We propose a tantalizing possibility that misinterpretation of the reconstructed missing momentum may have yielded the observed discrepancies among measurements of the -mass in…
Metric anisotropies and nonequilibrium attractor for expanding plasma
Nisarg Vyas, Sunil Jaiswal, Amaresh Jaiswal
We consider the evolution of a system of chargeless and massless particles in an anisotropic space-time given by the Bianchi type I metric. Specializing to the axis-symmetric case,…
Measurement of the dependence of the hadron production fraction ratio and on B meson kinematic variables in proton-proton collisions at = 13 TeV
CMS Collaboration
The dependence of the ratio between the B and B hadron production fractions, , on the transverse momentum () and rapid…