D. S. Bhattacharya
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View article: Design and development of optical modules for the BUTTON-30 detector
Design and development of optical modules for the BUTTON-30 detector Open
BUTTON-30 is a neutrino detector demonstrator located in the STFC Boulby underground facility in the north-east of England. The main goal of the project is to deploy and test the performance of the gadolinium-loaded water-based liquid scin…
View article: The BUTTON-30 detector at Boulby
The BUTTON-30 detector at Boulby Open
The BUTTON-30 detector is a 30-tonne technology demonstrator designed to evaluate the potential of hybrid event detection, simultaneously exploiting both Cherenkov and scintillation light to detect particle produced in neutrino interaction…
View article: Adventure, Disguise and the Empire: Far Eastern Representations in Captain Charles Gilson’s Held By Chinese Brigands
Adventure, Disguise and the Empire: Far Eastern Representations in Captain Charles Gilson’s Held By Chinese Brigands Open
View article: The State of Bead: Assessing Progress Toward Universal Broadband Connectivity
The State of Bead: Assessing Progress Toward Universal Broadband Connectivity Open
View article: Characterization of LAPPD timing at CERN PS testbeam
Characterization of LAPPD timing at CERN PS testbeam Open
View article: Characterization of LAPPD timing at CERN PS testbeam
Characterization of LAPPD timing at CERN PS testbeam Open
Large Area Picosecond PhotoDetectors (LAPPDs) are photosensors based on microchannel plate technology with about 400 cm$^2$ sensitive area. The external readout plane of a capacitively coupled LAPPD can be segmented into pads providing a s…
View article: Simulation studies related to the particle identification by the forward and backward RICH detectors at Electron Ion Collider
Simulation studies related to the particle identification by the forward and backward RICH detectors at Electron Ion Collider Open
View article: Simulation studies related to the particle identification by the forward and backward RICH detectors at Electron Ion Collider
Simulation studies related to the particle identification by the forward and backward RICH detectors at Electron Ion Collider Open
The Electron-Ion collider (EIC) will be the ultimate facility to study the dynamics played by the colored quarks and gluons to the emergence of the global phenomenology of the nucleons and nuclei as described by Quantum Chromodynamics. The…
View article: Double-hit separation and dE/dx resolution of a time projection chamber with GEM readout
Double-hit separation and dE/dx resolution of a time projection chamber with GEM readout Open
A time projection chamber (TPC) with micropattern gaseous detector (MPGD) readout is investigated as main tracking device of the International Large Detector (ILD) concept at the planned International Linear Collider (ILC). A prototype TPC…
View article: ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider
ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider Open
ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine tracking and momentum resolution, high performance electromagnetic…
View article: ATHENA detector proposal — a totally hermetic electron nucleus apparatus proposed for IP6 at the Electron-Ion Collider
ATHENA detector proposal — a totally hermetic electron nucleus apparatus proposed for IP6 at the Electron-Ion Collider Open
ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine tracking and momentum resolution, high performance electromagnetic…
View article: Fractional Charge of Quarks and Fractal Properties of Hadrons
Fractional Charge of Quarks and Fractal Properties of Hadrons Open
The origin of fractional charge of a quark is investigated considering the fractal structure of a hadron. Hadron is suggested to be a fractal object with fractal dimension 9/2. Describing quark as a quasiparticle in an analogy with quasi p…
View article: The Micromegas chambers for the ATLAS New Small Wheel upgrade
The Micromegas chambers for the ATLAS New Small Wheel upgrade Open
The ATLAS collaboration at the LHC has chosen the resistive Micromegas (MM) technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so call…
View article: A numerical investigation on the track distortion at the Micromegas based LPTPC endplate
A numerical investigation on the track distortion at the Micromegas based LPTPC endplate Open
The R&D activities for the Linear Collider TPC (LCTPC) are currently focused on the adoption of the Micro-Pattern Gaseous Detectors (MPGDs). Different MPGD modules which are commissioned on the endplate of a Large Prototype TPC (LPTPC) at …
View article: International Large Detector: Interim Design Report
International Large Detector: Interim Design Report Open
The ILD detector is proposed for an electron-positron collider with collision centre-of-mass energies from 90~\GeV~to about 1~\TeV. It has been developed over the last 10 years by an international team of scientists with the goal to design…
View article: International Large Detector: Interim Design Report
International Large Detector: Interim Design Report Open
The ILD detector is proposed for an electron-positron collider with collision centre-of-mass energies from 90~\\GeV~to about 1~\\TeV. It has been developed over the last 10 years by an international team of scientists with the goal to desi…
View article: The ILD detector at the ILC
The ILD detector at the ILC Open
The International Large Detector, ILD, is a detector concept which has been developed for the electron-positron collider ILC. The detector has been optimized for precision physics in a range of energies between 90 GeV and 1 TeV. ILD featur…
View article: The ILD detector at the ILC
The ILD detector at the ILC Open
The International Large Detector, ILD, is a detector concept which has been developed for the electron-positron collider ILC. The detector has been optimized for precision physics in a range of energies between 90 GeV and 1 TeV. ILD featur…
View article: The ILD detector at the ILC
The ILD detector at the ILC Open
The International Large Detector, ILD, is a detector concept which has been developed for the electron-positron collider ILC. The detector has been optimized for precision physics in a range of energies between 90 GeV and 1 TeV. ILD featur…
View article: Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas Modules
Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas Modules Open
The R&D activities for the linear collider TPC (LC-TPC) are currently working on the adoption of the micro pattern devices for the gaseous amplification stage. Several beam tests have been carried out at DESY with a 5 GeV electron beam in …
View article: Measurement and simulation of two-phase CO$_2$ cooling for the AFTER electronics of the Micromegas modules for a Large Prototype of a Time Projection Chamber
Measurement and simulation of two-phase CO$_2$ cooling for the AFTER electronics of the Micromegas modules for a Large Prototype of a Time Projection Chamber Open
The readout electronics of a Micromegas (MM) module consume nearly 26 W of electric power, which causes the temperature of electronic board to increase upto $70\,^{\circ}{\rm C}$. Increase in temperature results in damage of electronics. D…
View article: Experimental and numerical simulation of a TPC like set up for the\n measurement of ion backflow
Experimental and numerical simulation of a TPC like set up for the\n measurement of ion backflow Open
Ion backflow is one of the effects limiting the operation of a gaseous\ndetector at high flux, by giving rise to space charge which perturbs the\nelectric field. The natural ability of bulk Micromegas to suppress ion feedback\nis very effe…
View article: Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow
Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow Open
Ion backflow is one of the effects limiting the operation of a gaseous detector at high flux, by giving rise to space charge which perturbs the electric field. The natural ability of bulk Micromegas to suppress ion feedback is very effecti…
View article: Preliminary results of Ion Backflow study for a single GEM detector
Preliminary results of Ion Backflow study for a single GEM detector Open
Gaseous detectors are used in both low energy and high energy physics experiments. The present day gaseous detectors, i.e., the Micro-Pattern gaseous detectors (MPGD) are more efficient and fast. Gas Electron multiplier (GEM) is quite well…
View article: Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow
Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow Open
View article: A time projection chamber with GEM-based readout
A time projection chamber with GEM-based readout Open
View article: Track distortion in the Large prototype of a Time Projection Chamber for the International Linear Collider
Track distortion in the Large prototype of a Time Projection Chamber for the International Linear Collider Open
A Micromegas (MM) based Time Projection Chamber (TPC) can meet the ILC requirements of continuous 3-D tracking, excellent spatial resolution and efficient pattern recognition. Seven MM modules which are commissioned on the end-plate of a L…
View article: Exact solutions to model surface and volume charge distributions
Exact solutions to model surface and volume charge distributions Open
Many important problems in several branches of science and technology deal with charges distributed along a line, over a surface and within a volume. Recently, we have made use of new exact analytic solutions of surface charge distribution…
View article: Investigation of Ion Backflow in Bulk Micromegas Detectors
Investigation of Ion Backflow in Bulk Micromegas Detectors Open
The operation of gas detectors is often limited by secondary effects, originating from avalanche-induced photons and ions. Ion backflow is one of the effects limiting the operation of a gas detector at high flux, by giving rise to space ch…
View article: A Time Projection Chamber with GEM-Based Readout
A Time Projection Chamber with GEM-Based Readout Open
For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper, resu…