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449 papers · 1 filter
Search for the decay
Belle Collaboration, B. Bhuyan, K. J. Nath +184
We report results from a search for the decay using 121.4 fb of data collected at the resonance with the Belle detector at the KEKB asymmetric-e…
Transport signatures of fragile-glass dynamics in the melting of the two-dimensional vortex lattice
Ilaria Maccari, Bal K. Pokharel, Jasminka Terzic +8
In two-dimensional (2D) systems, the melting from a solid to an isotropic liquid can occur via an intermediate phase that retains orientational order. However, in 2D superconductin…
Investigation of Rocket Effect in BRC 18 using Gaia EDR3
Piyali Saha, Maheswar G., D. K. Ojha +1
Bright-rimmed clouds (BRCs) are ideal candidates to study radiation-driven implosion mode of star formation as they are potential sites of triggered star formation, located at the…
Emergent Chirality and Current Generation
Satyanu Bhadra, Shankar Ghosh, Shamik Gupta
We investigate the phenomenon of producing vibration-induced rotational motion in a cylinder filled with achiral rods and being vibrated by an external drive. The arrangement of th…
The impact of black hole feedback on the UV luminosity and stellar mass assembly of high-redshift galaxies
Olmo Piana, Pratika Dayal, Tirthankar Roy Choudhury
We employ the Delphi semi-analytical model to study the impact of black hole growth on high-redshift galaxies, both in terms of the observed UV luminosity and of the star formation…
Mean area of the convex hull of a run and tumble particle in two dimensions
Prashant Singh, Anupam Kundu, Satya N. Majumdar +1
We investigate the statistics of the convex hull for a single run-and-tumble particle in two dimensions. Run-and-tumble particle, also known as persistent random walker, has gained…
Parametric analysis of the Lateral Distribution Function of Cherenkov light for Yakutsk EAS Array in the Energy Range 1-20 PeV
Falah Al-Zubaidi, A. A. Al-Rubaiee, B. Hariharan
In this research, the simulation of lateral distribution function (LDF) of Cherenkov radiation was performed using CORSIKA software for two hadronic models QGSJET and GHEISHA. This…
Entanglement Phase Structure of a Holographic BCFT in a Black Hole Background
Hao Geng, Andreas Karch, Carlos Perez-Pardavila +4
We compute holographic entanglement entropy for subregions of a BCFT thermal state living on a nongravitating black hole background. The system we consider is doubly holographic an…
Transient Quasi-Periodic Oscillations at -rays in the TeV Blazar PKS 1510-089
Abhradeep Roy, Arkadipta Sarkar, Anshu Chatterjee +3
We present periodicity search analyses on the -ray lightcurve of the TeV blazar PKS 1510-089 observed by the \textit{Fermi} Large Area Telescope. We report the detection of two…
Measurements of the branching fractions of , , and decays at Belle
Belle collaboration, Y. Li, J. X. Cui +213
Using the entire data sample of collected with the Belle detector at the KEKB asymmetric-energy collider, we present measurements of the branching f…
Dissipative quantum dynamics, phase transitions and non-Hermitian random matrices
Mahaveer Prasad, Hari Kumar Yadalam, Camille Aron +1
We explore the connections between dissipative quantum phase transitions and non-Hermitian random matrix theory. For this, we work in the framework of the dissipative Dicke model w…
TIFR Treasures for Astronomy from Ground to Space
Supriyo Ghosh, Devendra K. Ojha, Saurabh Sharma +1
The infrared astronomy group of Department of Astronomy and Astrophysics at Tata Institute of Fundamental Research has been pursuing astronomical instrumentation activities since i…
Gaia 20eae: A newly discovered episodically accreting young star
Arpan Ghosh, Saurabh Sharma, Joe. P. Ninan +18
The Gaia Alert System issued an alert on 2020 August 28, on Gaia 20eae when its light curve showed a 4.25 magnitude outburst. We present multi-wavelength photometric and spec…
Sh 2-301: a blistered H II region undergoing star formation
Rakesh Pandey, Saurabh Sharma, Lokesh K. Dewangan +6
We present a multiwavelength study of the H II region Sh 2-301 (S301) using deep optical data, near-infrared data, radio continuum data and other archival data at longer wavelength…
Near-Optimal Lower Bounds For Convex Optimization For All Orders of Smoothness
Ankit Garg, Robin Kothari, Praneeth Netrapalli +1
We study the complexity of optimizing highly smooth convex functions. For a positive integer , we want to find an -approximate minimum of a convex function , given oracle…
Topological states in superlattices of HgTe-class materials for engineering three-dimensional flat bands
Rajibul Islam, Barun Ghosh, Giuseppe Cuono +7
In search of materials with three-dimensional flat band dispersions, using {\em ab-initio} computations, we investigate how topological phases evolve as a function of hydrostatic p…
Extended relaxation time approximation and relativistic dissipative hydrodynamics
Dipika Dash, Samapan Bhadury, Sunil Jaiswal +1
Development of a new framework for derivation of order-by-order hydrodynamics from Boltzmann equation is necessary as the widely used Anderson-Witting formalism leads to violation…
First Measurement of the decay
Belle Collaboration, S. X. Li, J. X. Cui +197
We present the first measurement of the branching fraction of the singly Cabibbo-suppressed (SCS) decay with , using a data sample corresponding to…
Search for long-lived particles decaying into muon pairs in proton-proton collisions at 13 TeV collected with a dedicated high-rate data stream
CMS Collaboration
A search for long-lived particles decaying into muon pairs is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment at the…
ALP-Pions generalized
Triparno Bandyopadhyay, Subhajit Ghosh, Tuhin S. Roy
A light axion-like particle or an ALP not just gives rise to interesting and spectacular signals of new physics as final states in meson decays, it necessarily leaves tell-tale sig…
Search for resonances decaying to three W bosons in the hadronic final state in proton-proton collisions at 13 TeV
CMS Collaboration
A search for Kaluza-Klein excited vector boson resonances, W, decaying in cascade to three W bosons via a scalar radion R, W WR WWW, with tw…
Next Generation Observatories -- Report from the Dawn VI Workshop; October 5-7 2021
D. H. Shoemaker, Stefan Ballmer, Matteo Barsuglia +33
The workshop Dawn VI: Next Generation Observatories took place online over three days, 5-7 October, 2021. More than 200 physicists and astronomers attended to contribute to, and le…
Probing charm quark dynamics via multiparticle correlations in PbPb collisions at 5.02 TeV
CMS Collaboration
Multiparticle azimuthal correlations of prompt D mesons are measured in PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. For the…
Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV
CMS Collaboration
The first collider search for dark matter arising from a strongly coupled hidden sector is presented and uses a data sample corresponding to 138 fb, collected with the CMS d…