Publications (36)
Commissioning of the CMS zero degree calorimeter using LHC beam
O. Grachov, M. Murray, J. Wood +3
This paper reports on the commissioning and first running experience of the CMS Zero Degree Calorimeters during December 2009. All channels worked correctly. The ZDCs were timed in…
Collective magnetic response of CeO2 nanoparticles
J. M. D. Coey, Karl Ackland, M. Venkatesan +1
The magnetism of nanoparticles and thin films of wide-bandgap oxides that include no magnetic cations is an unsolved puzzle. Progress has been hampered both by the irreproducibilit…
Cosmology in scalar tensor theory and asymptotically de-Sitter Universe
A. A. Sen, S. Sen
We have investigated the cosmological scenarios with a four dimensional effective action which is connected with multidimensional, supergravity and string theories. The solution fo…
No Scalar Hair Theorem for a Charged Spherical Black Hole
N. Banerjee, S. Sen
This paper consolidates noscalar hair theorem for a charged spherically symmetric black hole in four dimension in general relativity as well as in all scalar tensor theories, both…
Self interacting Brans Dicke cosmology and Quintessence
S. Sen, T. R. Seshadri
Recent cosmological observations reveal that we are living in a flat accelerated expanding universe. In this work we have investigated the nature of the potential compatible with t…
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…
Multiscale Magnetic Correlations in La2Mn2-xNixO6: Role of Crystal Structure in Double Perovskites
A. K. Bera, K. S. Chikara, B. Saha +3
The magnetic correlations in double perovskites La2Mn2-xNixO6 (x = 0.5, 0.75, 1.0, 1.25 and 1.5) have been systematically investigated across macroscopic, mesoscopic, and microscop…
Latest Supernova data in the framework of Generalized Chaplygin Gas model
O. Bertolami, A. A. Sen, S. Sen +1
We use the most recent Type-Ia Supernova data in order to study the dark energy - dark matter unification approach in the context of the Generalized Chaplygin Gas (GCG) model. Rath…
The Physics of the B Factories
A. J. Bevan, B. Golob, Th. Mannel +2003
This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…
WMAP constraints on Cardassian model
A. A. Sen, S. Sen
We have investigated the constraints on the Cardassian model using the recent results from the Wilkinson Microwave Anisotropy Probe (WMAP) for the locations of the peaks of the Cos…
Characterizing Traveling Wave Collisions in Granular Chains Starting from Integrable Limits: the case of the KdV and the Toda Lattice
Y. Shen, P. G. Kevrekidis, S. Sen +1
Our aim in the present work is to develop approximations for the collisional dynamics of traveling waves in the context of granular chains in the presence of precompression. To tha…
Summary of the Workshop on Multi-Parton Interactions (MPI@LHC 2012)
H. Abramowicz, P. Bartalini, M. Baehr +34
With short resumes and highlights the discussions in the different working groups of the workshop MPI@LHC 2012 is documented.
Observational Constraints on Cardassian Expansion
S. Sen, A. A. Sen
In this work, we have studied the observational constraints on the Cardassian Model for the dark energy. We have compared the model with existing Supernova data. The dependence of…
Dissipative Fluid in Brans Dicke theory and late time acceleration
A. A. Sen, S. Sen, S. Sethi
We have investigated the possibility of having a late time accelerated expansion phase for the universe. We have used a dissipative fluid in Brans-Dicke(BD) theory for this purpose…
Topological Spin-Statistics Theorem for Strings
A. P. Balachandran, W. D. McGlinn, L. O'Raifeartaigh +3
Recently, a topological proof of the spin-statistics Theorem has been proposed for a system of point particles which does not require relativity or field theory, but assumes the ex…
Observation of the rare decay from the combined analysis of CMS and LHCb data
The CMS, LHCb Collaborations, : +2807
A joint measurement is presented of the branching fractions and in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data…
Magnetohydrostatic flux tube model in the solar atmosphere
S. Sen, A. Mangalam
We construct two classes of the magnetohydrostatic equilibria of the axisymmetric flux tubes with twisted magnetic fields in the stratified solar atmosphere that span from the phot…
Algebraic Aspects of Abelian Sandpile Models
D. Dhar, P. Ruelle, S. Sen +1
The abelian sandpile models feature a finite abelian group generated by the operators corresponding to particle addition at various sites. We study the canonical decomposition…
Model of a fluxtube with a twisted magnetic field in the stratified solar atmosphere
S. Sen, A. Mangalam
We build a single vertical straight magnetic fluxtube spanning the solar photosphere and the transition region which does not expand with height. We assume that the fluxtube contai…
A Supersymmetric 3-3-1 model with MSSM-like Scalar Sector
S. Sen, A. Dixit
We present a supersymmetric 3-3-1 model with exotic quarks and a charged lepton as an extension of the MSSM model with anomaly free three generations The scalar sector is studied w…
Morse Theory and the Topology of Configuration Space
W. D. McGlinn, L. O'Raifeartaigh, S. Sen +1
The first and second homology groups are computed for configuration spaces of framed three-dimensional point particles with annihilation included, when up to two particles and an a…
d-zero Magnetism in Nanoporous Amorphous Alumina Membranes
Amir Sajad Esmaeily, M. Venkatesan, S. Sen +1
Nanoporous alumina membranes produced by mild or hard anodisation in oxalic acid at potentials ranging from 5 - 140 V have a controllable pore surface area of up to 200 times the m…
Studies of granularity of a hadronic calorimeter for tens-of-TeV jets at a 100 TeV collider
C. -H. Yeh, S. V. Chekanov, A. V. Kotwal +4
Jet substructure variables for hadronic jets with transverse momenta in the range from 2.5 TeV to 20 TeV were studied using several designs for the spatial size of calorimeter cell…
Late time acceleration in Brans Dicke Cosmology
S. Sen, A. A. Sen
In this work we have investigated the possibility of having a late time accelerated phase of the universe, suggested by recent supernova observation, in the context of Brans Dicke…
RGC: a radio AGN classifier based on deep learning. I. A semi-supervised multiclass model for VLA images
M. S. Hossain, M. S. H. Shahal, K. M. B. Asad +10
Bent radio active galactic nuclei (RAGNs) -- wide-angle tails (WATs) and narrow-angle tails (NATs) -- trace dense environments in galaxy groups and clusters, yet no multiclass clas…
Initial performance studies of a general-purpose detector for multi-TeV physics at a 100 TeV pp collider
S. V. Chekanov, M. Beydler, A. V. Kotwal +5
This paper describes simulations of detector response to multi-TeV physics at the Future Circular Collider (FCC-hh) or Super proton-proton Collider (SppC) which aim to collide prot…
Effective Field Theory for Two-Body Systems with Shallow S-Wave Resonances
J. Balal Habashi, S. Sen, S. Fleming +1
Resonances are of particular importance to the scattering of composite particles in quantum mechanics. We build an effective field theory for two-body scattering which includes a l…
The thawing dark energy dynamics: Can we detect it?
S. Sen, A. A. Sen, M. Sami
We consider different classes of scalar field models including quintessence, and tachyon scalar fields with a variety of generic potential belonging to thawing type. Assuming the s…
Algebraic Aspects of Abelian Sandpile Models
D. Dhar, P. Ruelle, S. Sen +1
The abelian sandpile models feature a finite abelian group G generated by the operators corresponding to particle addition at various sites. We study the canonical decomposition of…
Jet Substructure Variables with the SiFCC Detector at 100 TeV
C. -H Yeh, S. V. Chekanov, A. V. Kotwal +4
Future experiments beyond the LHC era will measure high-momentum bosons (, , ) and top quarks with strongly collimated decay products that form hadronic jets. This paper d…
Naming the Pain in Requirements Engineering: Contemporary Problems, Causes, and Effects in Practice
D. Méndez Fernández, S. Wagner, M. Kalinowski +20
Requirements Engineering (RE) has received much attention in research and practice due to its importance to software project success. Its interdisciplinary nature, the dependency t…
On the absence of scalar hair for charged rotating blackholes in non minimally coupled theories
S. Sen, N. Banerjee
In this work we check the validity of the no scalar hair theorem in charged axisymmetric stationary black holes for a wide class of scalar tensor theories.
Three-Dimensional Black Holes and String Theory
D. Birmingham, I. Sachs, S. Sen
The exact decay rate for emission of massless minimally coupled scalar fields by a non-extremal black hole in 2+1 dimensions is obtained. At low energy, the decay rate into scalars…
280 one-opposition near-Earth asteroids recovered by the EURONEAR with the Isaac Newton Telescope
O. Vaduvescu, L. Hudin, T. Mocnik +80
One-opposition near-Earth asteroids (NEAs) are growing in number, and they must be recovered to prevent loss and mismatch risk, and to improve their orbits, as they are likely to b…
LHC Forward Physics
K. Akiba, M. Akbiyik, M. Albrow +184
The goal of this report is to give a comprehensive overview of the rich field of forward physics, with a special attention to the topics that can be studied at the LHC. The report…
Energy distribution of solar flare events
S. Sen, A. Mangalam, R. Ramesh
Observational evidence of the braiding of magnetic field lines has been reported. The magnetic reconnection within the loop (nanoflares) and with other loops (microflares) disentan…