Publications (55)
Heavy Ion Collisions at the LHC - Last Call for Predictions
S. Abreu, S. V. Akkelin, J. Alam +164
This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute 'Heavy Ion Collisions…
Exact Partition Function and Boundary State of Critical Ising Model with Boundary Magnetic Field
R. Chatterjee
We compute the exact partition function of the 2D Ising Model at critical temperature but with nonzero magnetic field at the boundary. The model describes a renormalization group f…
A full quantal theory of one-neutron halo breakup reactions
R. Chatterjee
We present a theory of one-neutron halo breakup reactions within the framework of post-form distorted wave Born approximation wherein pure Coulomb, pure nuclear and their interfere…
Structure and Coulomb dissociation of 23O within the quark-meson coupling model
R. Chatterjee, R. Shyam, K. Tsushima +1
We study the ground-state structure of nuclei in the vicinity of the one-neutron dripline within the latest version of the quark-meson coupling (QMC) model with a particular emphas…
Electric multipole response of the halo nucleus He
Jagjit Singh, L. Fortunato, A. Vitturi +1
The role of different continuum components in the weakly-bound nucleus He is studied by coupling unbound spd-waves of He by means of simple pairing contact-delta interactio…
Multi-year characterisation of the broad-band emission from the intermittent extreme BL Lac 1ES~2344+514
H. Abe, S. Abe, V. A. Acciari +232
The BL Lac 1ES 2344+514 is known for temporary extreme properties (e.g., a shift of the synchrotron SED peak energy above 1keV). While those extreme states were so f…
Coulomb breakup of Mg and its ground state structure
Neelam Shubhchintak, R. Chatterjee, R. Shyam +1
We calculate Coulomb breakup of the neutron rich nucleus Mg on a Pb target at the beam energy of 244 MeV/nucleon within the framework of a finite range distorted wave Born a…
Electric and magnetic response to the continuum for A=7 isobars in a dicluster model
A. Mason, R. Chatterjee, L. Fortunato +1
Mirror isobars Li and Be are investigated in a dicluster model. The magnetic dipole moments and the magnetic dipole response to the continuum are calculated in this framewo…
The DAQ system of the 12,000 Channel CMS High Granularity Calorimeter Prototype
B. Acar, G. Adamov, C. Adloff +327
The CMS experiment at the CERN LHC will be upgraded to accommodate the 5-fold increase in the instantaneous luminosity expected at the High-Luminosity LHC (HL-LHC). Concomitant wit…
Elastic Coulomb breakup of Na
G. Singh, Shubhchintak, R. Chatterjee
Purpose : The aim of this paper is to study the elastic Coulomb breakup of Na on Pb to give us a core of Na with a neutron and in the process we try and inves…
Relaxation of Thermoremanent Magnetization in Different Magnetic Phases Of Fe-rich $\mbox{$γ$}$-FeNiCr Alloys
G. Sinha, R. Chatterjee, M. Uehara +1
The time decay of the thermoremanent magnetization(TRM) of the $\mbox{Fe}_{80-\mbox{x}}\mbox{Ni}_{\mbox{x}}\mbox{Cr}_{20}$ ($14\leq \mbox{x} \leq 30$) alloys has been measured for…
Beam energy dependence of Coulomb-nuclear interference in the breakup of 11Be
R. Chatterjee
Within the post-form distorted wave Born approximation wherein pure Coulomb, pure nuclear and their interference terms are treated consistently in a single setup we study the beam…
Jet spectral breaks in black hole X-ray binaries
D. M. Russell, S. Markoff, P. Casella +10
In X-ray binaries, compact jets are known to commonly radiate at radio to infrared frequencies, whereas at optical to gamma-ray energies, the contribution of the jet is debated. Th…
Spectroscopy of one-neutron halo nuclei from the Coulomb breakup reactions
R. Shyam, R. Chatterjee
We review the current status of obtaining the spectroscopic information on the one-neutron halo nuclei from the Coulomb breakup reactions. The theory of these reactions formulated…
Investigating nuclear density profiles to reveal particle-hole configurations in the island of inversion
R. Barman, W. Horiuchi, M. Kimura +1
The paper studies how different particle‑hole configurations in nuclei within the island of inversion affect their density profiles, and shows that total reaction and elastic scatt…
Exploring the structure of Ne
Manju, M. Dan, G. Singh +3
We apply a fully quantum mechanical Coulomb breakup theory under the aegis of post form finite-range distorted wave Born approximation to analyze the elastic Coulomb breakup of $^{…
Imprint of nuclear bubble in nucleon-nucleus diffraction
V. Choudhary, W. Horiuchi, M. Kimura +1
Background: The density of most nuclei is constant in the central region and is smoothly decreasing at the surface. A depletion in the central part of the nuclear density can have…
SMARTS optical and infrared monitoring of 12 gamma-ray bright blazars
E. W. Bonning, C. M. Urry, C. Bailyn +6
We present multiwavelength data for twelve blazars observed from 2008-2010 as part of an ongoing optical-infrared photometric monitoring project. Sources were selected to be bright…
Description of the 17F(p,gamma)18Ne radiative capture reaction in the continuum shell model
R. Chatterjee, J. Okolowicz, M. Ploszajczak
The shell model embedded in the continuum is applied to calculate the astrophysical S-factor and the reaction rate for the radiative proton capture reaction 17F(p,gamma)18Ne. The d…
Structural effects of Na in the Na(n,Na radiative capture reaction
G. Singh, Shubhchintak, R. Chatterjee
The path towards the production of \textit{r}-process seed nuclei follows a course where the neutron-rich light and medium mass nuclei play a crucial role. The neutron capture rate…
Deformation effects in the Coulomb breakup of 31Ne
Shubhchintak, R. Chatterjee
We present a fully quantum mechanical theory to study the effects of deformation on various reaction observables in the Coulomb breakup of neutron rich exotic medium mass nuclei on…
Pairing in the continuum: the quadrupole response of the Borromean nucleus 6He
L. Fortunato, R. Chatterjee, Jagjit Singh +1
The ground state and low-lying continuum states of 6He are found within a shell model scheme, in a basis of two-particle states built out of continuum p-states of the unbound 5He n…
Radiative neutron capture rate of BB reaction from the Coulomb dissociation of B
Shubhchintak, G. Singh, R. Chatterjee +1
We calculate the BB reaction rate, an important constituent in nucleosynthesis networks, contributed by resonant as well as non-resonant capture. For the resona…
A unified description of the structure and electromagnetic breakup of Be
M. Dan, R. Chatterjee, M. Kimura
We study both the static properties of Be and its reaction dynamics during electromagnetic breakup under a unified framework. A many-body approach - the antisymmetrized mole…
Structure effects in the N()N radiative capture reaction from the Coulomb dissociation of N
Neelam, Shubhchintak, R. Chatterjee
Purpose : The aim of this paper is to calculate the N()N radiative capture cross section and its subsequent reaction rate by an indirect method and in that pro…
Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20300 GeV/c
B. Acar, G. Adamov, C. Adloff +454
The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimete…
Incoherent Effect of Fe and Ni Substitutions in the Ferromagnetic-Insulator La0.6Bi0.4MnO3+d
Asish K. Kundu, Md. Motin Seikh, Akhilesh Srivastava +4
A comparative study of the effect of Fe and Ni doping on the bismuth based perovskite La0.6Bi0.4MnO3.1, a projected spintronics magnetic semiconductor has been carried out. The dop…
Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20-300 GeV positrons
B. Acar, G. Adamov, C. Adloff +385
The Compact Muon Solenoid Collaboration is designing a new high-granularity endcap calorimeter, HGCAL, to be installed later this decade. As part of this development work, a protot…
Breakup Reactions of Drip Line Nuclei
R. Shyam, R. Chatterjee
The formal theory of breakup reactions is reviewed. The direct breakup mechanism which is formulated within the framework of the post form distorted wave Born approximation is disc…
Quantification of the evaporation process during fragmentation of space-relevant nuclei on elemental targets
Sukhendu De, V. Choudhary, R. Chatterjee +1
This study examines charge-changing cross sections for 12C, 14N, 16O, and 20Ne projectiles on elemental targets (C, Al, Cu) at a beam energy of around 290 MeV/nucleon. The two-stag…
Observations of zero-order bandgaps in negative-index photonic crystal superlattices at the near-infrared
S. Kocaman, R. Chatterjee, N. C. Panoiu +5
We present the first observations of zero-n bandgaps in photonic crystal superlattices consisting of alternating stacks of negative index photonic crystals and positive index diele…
The N(,N capture rate in light of the probable bubble nature of N
V. Choudhary, M. Dan, R. Chatterjee +4
We aim to explore the bubble nature of the exotic nucleus N within the microscopic antisymmetrized molecular dynamics (AMD) approach. Constraining its structural parameters,…
Scaling with deformation in probable -wave halo Na
Manju, Jagjit Singh, Shubhchintak +1
We investigate the electric dipole response of Na, a probable -wave one-neutron halo nucleus, lying in the "island of inversion" and having a deformed structure. We use a…
Determination of the Mg()Mg reaction rate from Coulomb dissociation of Mg
Sharma Shubhchintak, R. Chatterjee, R. Shyam
We use the Coulomb dissociation (CD) method to calculate the rate of the Mg()Mg radiative capture reaction. The CD cross sections of the Mg nucleus on…
Radio Dichotomy in Quasars with H FWHM greater than km\,s
A. Chakraborty, A. Bhattacharjee, M. S. Brotherton +3
It has been inferred from large unbiased samples that - of all quasars are radio-loud (RL). Using the quasar catalog from the Sloan Digital Sky Survey, we show that the…
Projectile deformation effects in the breakup of Mg
Shubhchintak, R. Chatterjee, R. Shyam
We study the breakup of Mg on Pb at 244MeV/u with the recently developed extended theory of Coulomb breakup within the post-form finite range distorted wave Born approximati…
Coulomb-nuclear interference in the breakup of Be
R. Chatterjee, R. Shyam
Within a theory of breakup reactions formulated in the framework of the post form distorted wave Born approximation, we calculate contributions of the pure Coulomb and the pure nuc…
Exact Partition Function and Boundary State of 2-D Massive Ising Field Theory with Boundary Magnetic Field
R. Chatterjee
We compute the exact partition function, the universal ground state degeneracy and boundary state of the 2-D Ising model with boundary magnetic field at off-critical temperatures.…
Role of Higher Multipole Excitations in the Electromagnetic Dissociation of One Neutron Halo Nuclei
R. Chatterjee, L. Fortunato, A. Vitturi
We investigate the role of higher multipole excitations in the electromagnetic dissociation of one-neutron halo nuclei within two different theoretical models -- a finite range dis…
Reply to comments on `Structure effects in the N()N radiative capture reaction from the Coulomb dissociation of N'
Shubhchintak, Neelam, R. Chatterjee
We reply to the comments (arXiv:1605.07499 [nucl-th]) on "Structure effects in the N()N radiative capture reaction from the Coulomb dissociation of N". W…
Correlated Multi-Waveband Variability in the Blazar 3C~279 from 1996 to 2007
R. Chatterjee, S. G. Jorstad, A. P. Marscher +12
We present the results of extensive multi-waveband monitoring of the blazar 3C~279 between 1996 and 2007 at X-ray energies (2-10 keV), optical R band, and 14.5 GHz, as well as imag…
Achieving sub-diffraction imaging through bound surface states in negative-refracting photonic crystals at the near-infrared
R. Chatterjee, N. C. Panoiu, K. Liu +6
We report the observation of imaging beyond the diffraction limit due to bound surface states in negative refraction photonic crystals. We achieve an effective negative index figur…
Structure of the exotic nucleus B in the ground state
R. Chatterjee, P. Banerjee
We investigate the structure of the neutron rich nucleus B through studies of its breakup in the Coulomb field of a heavy target. The breakup amplitude is calculated within…
Coulomb dissociation of 9Li and the rate of the 8Li(n,g)9Li reaction
P. Banerjee, R. Chatterjee, R. Shyam
We calculate the Coulomb dissociation of 9Li on Pb and U targets at 28.5 MeV/A beam energy within a finite range distorted wave Born approximation formalism of the breakup reaction…
Four-body DWBA calculations of the Coulomb breakup of 6He
R. Chatterjee, P. Banerjee, R. Shyam
We investigate the Coulomb breakup of the two-neutron halo nucleus 6He by extending the framework of the finite range post form distorted wave Born approximation theory introduced…
Local Magnetization in Critical Ising Model with Boundary Magnetic Field
R. Chatterjee, A. Zamolodchikov
We discribe a simple way to derive spin correlation functions in 2D Ising model at critical temperature but with nonzero magnetic field at the boundary. Local magnetization (i.e. o…
Dynamics of a composite quantum bouncing ball
R. Chatterjee
I construct the state of a quantum particle with internal degree of freedom bouncing on a perfect reflector in presence of gravity. I predict from the result that revival of positi…
Low-lying dipole strengths for probable -wave one-neutron halos in the medium mass region
Manju, J. Singh, Shubhchintak +1
The one-neutron halos lying in the island of inversion around has provided the podium, to study the variation of total low-lying dipole strength with the neutron separation…
Deformation, halo, and bubble structure: A paradigm shift of exotic phenomena in light to medium mass nuclei
R. Barman, R. Chatterjee, W. Horiuchi +4
The emergence of exotic nuclear structures, such as deformation, one- and two-neutron halos, and bubble configurations, marks a paradigm shift in our understanding of light- to med…
Future physics opportunities for high-density QCD at the LHC with heavy-ion and proton beams
Z. Citron, A. Dainese, J. F. Grosse-Oetringhaus +182
The future opportunities for high-density QCD studies with ion and proton beams at the LHC are presented. Four major scientific goals are identified: the characterisation of the ma…
The study of decay of Xe using nonclosure approach in nuclear shell model
S. Sarkar, Y. Iwata, K. Jha +1
In this investigation, we compute the nuclear matrix elements (NMEs) relevant to the light neutrino-exchange mechanism governing neutrinoless double beta () decay in $^{13…
Enormous nuclear surface diffuseness in the exotic Ne and Mg isotopes
V. Choudhary, W. Horiuchi, M. Kimura +1
The density profile of exotic nuclei can be a rich source of information on the nuclear surface. In particular, the nuclear surface diffuseness parameter is correlated with the occ…
Construction and commissioning of CMS CE prototype silicon modules
B. Acar, G. Adamov, C. Adloff +327
As part of its HL-LHC upgrade program, the CMS Collaboration is developing a High Granularity Calorimeter (CE) to replace the existing endcap calorimeters. The CE is a sampling cal…
B-lattice of nil-extensions of rectangular skew-rings
S. K. Maity, R. Chatterjee
Every quasi completely regular semiring is a b-lattice of completely Archimedean semirings, i.e., a b-lattice of nil-extensions of completely simple semirings. In this paper we con…
Breakdown of N = 8 magic number near the neutron drip line from parallel momentum distribution analyses
Shubhchintak, R. Chatterjee
Using two theoretical models (the post form finite range distorted wave Born approximation and the adiabatic model) we calculate the parallel momentum distribution of the charged c…