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1.
ANUINDRA: A wide dynamic range FEE ASIC for a silicon–tungsten electromagnetic calorimeter / Mukhopadhyay, Sourav (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Chandratre, Vinay B (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Muhuri, Sanjib (Calcutta, VECC ; HBNI, Mumbai) ; Singaraju, Rama N (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; Nayak, Tapan K (Calcutta, VECC ; NISER, Jatni ; CERN)
A wide dynamic range (ratio of maximum detectable signal to noise floor) front end electronics (FEE) readout ASIC ANUINDRA has been developed in 0.35μm standard N-well CMOS technology for the prototype forward calorimeter (FOCAL), a silicon–tungsten (Si–W) electromagnetic (EM) calorimeter, proposed as part of the ALICE upgrade at CERN. It is a 16 channel pulse processing ASIC with a multiplexed serial output along with all the individual channel’s responses available as output pins. [...]
2022 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1040 (2022) 167253
2.
A wide swing charge sensitive amplifier for a prototype Si–W EM calorimeter / Mukhopadhyay, Sourav (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Chandratre, Vinay B. (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Muhuri, Sanjib (Calcutta, VECC ; HBNI, Mumbai) ; Singaraju, Rama N. (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; Nayak, Tapan K. (Calcutta, VECC ; NISER, Jatni ; CERN)
A wide swing charge sensitive amplifier (CSA) has been developed, as a part of a front-end electronics (FEE) readout ASIC, for a prototype silicon tungsten (Si-W) based electromagnetic (EM) calorimeter. The CSA, designed in 0.35 $\mu$m N-well CMOS technology using 5V MOS transistors, has a wide linear operating range of 2.6 pC w.r.t the input charge with a power dissipation of 2.3 mW. [...]
arXiv:2201.07410.- 2022-04-01 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1028 (2022) 166367 Fulltext: PDF;
3.
Development and characterization of a large area silicon pad array for an electromagnetic calorimeter / Mukhopadhyay, Sourav (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Chandratre, Vinay B. (Bhabha Atomic Res. Ctr. ; HBNI, Mumbai) ; Muhuri, Sanjib (Calcutta, VECC ; HBNI, Mumbai) ; Singaraju, Rama N. (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; Nayak, Tapan K. (Calcutta, VECC ; Bhubaneswar, NISER ; CERN)
We present the research and development work of the first version of a 6*6 array of silicon pad detectors, carried out in India, for the proposed forward calorimeter (FOCAL) as part of the ALICE collaboration upgrade program at CERN. The primary motivation is to develop a large area silicon pad array realizing the challenging requirements of high-energy physics experiments such as low leakage current, high breakdown voltage and evaluate its performance as an active layer in the prototype silicon tungsten (Si-W) electromagnetic (EM) calorimeter. [...]
arXiv:2109.15260.- 2021-09-22 - 15 p. - Published in : JINST 16 (2021) P09026 Fulltext: document - PDF; 2109.15260 - PDF;
4.
Fabrication and beam test of a silicon-tungsten electromagnetic calorimeter / Muhuri, Sanjib (Calcutta, VECC) ; Mukhopadhyay, Sourav (HBNI, Mumbai) ; Chandratre, Vinay B. (HBNI, Mumbai) ; Nayak, Tapan K. (Calcutta, VECC ; CERN) ; Saha, Sumit Kumar (Calcutta, VECC) ; Thakur, Sanchari (Calcutta, VECC) ; Singaraju, Rama N. (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; van den Brink, A. (Utrecht U. ; Nikhef, Amsterdam ; Utrecht U.) ; Chujo, Tatsuya (Tsukuba U. (main)) et al.
A silicon-tungsten (Si-W) sampling calorimeter, consisting of 19 alternate layers of silicon pad detectors (individual pad area of 1~cm$^2$) and tungsten absorbers (each of one radiation length), has been constructed for measurement of electromagnetic showers over a large energy range. The signal from each of the silicon pads is readout using an ASIC with a dynamic range from $-300$~fC to $+500$~fC. [...]
arXiv:1911.00743.- 2020-03-18 - 15 p. - Published in : JINST 15 (2020) P03015 Fulltext: PDF; Fulltext from publisher: PDF;
5.
Test and characterization of a prototype silicon-tungsten electromagnetic calorimeter / Muhuri, Sanjib (Calcutta, VECC) ; Mukhopadhyay, Sourav (Bhabha Atomic Res. Ctr.) ; Chandratre, Vinay B. (Bhabha Atomic Res. Ctr.) ; Sukhwani, Menka (Bhabha Atomic Res. Ctr.) ; Jena, Satyajit (Indian Inst. Tech., Mumbai) ; Khan, Shuaib Ahmad (Calcutta, VECC) ; Nayak, Tapan K. (Calcutta, VECC) ; Saini, Jogender (Calcutta, VECC) ; Singaraju, Rama Narayana (Calcutta, VECC)
New generation high-energy physics experiments demand high precision tracking and accurate measurements of a large number of particles produced in the collisions of lementary particles and heavy-ions. Silicon-tungsten (Si-W) calorimeters provide the most viable technological option to meet the requirements of particle detection in high multiplicity environments. [...]
arXiv:1407.5724.- 2014-11-11 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 764 (2014) 24-29 Preprint: PDF; External link: Preprint

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