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View article: Time performance of Analog Pixel Test Structures with in-chip operational amplifier implemented in 65 nm CMOS imaging process
Time performance of Analog Pixel Test Structures with in-chip operational amplifier implemented in 65 nm CMOS imaging process Open
In the context of the CERN EP R&D on monolithic sensors and the ALICE ITS3 upgrade, the Tower Partners Semiconductor Co (TPSCo) 65nm process has been qualified for use in high energy physics, and adopted for the ALICE ITS3 upgrade. An Anal…
View article: Characterization of Monolithic Active Pixel Sensors for future collider experiments
Characterization of Monolithic Active Pixel Sensors for future collider experiments Open
In high-energy physics experiments, Monolithic Active Pixel Sensors (MAPS) have become crucial components of vertex and tracking detectors over the past decade due to the integration of readout circuitry with the detection volume in a sing…
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: The high voltage system the novel MPGD-based photon detectors ofCOMPASS RICH-1 and its development towards a scalable HVPSS forMPGDs
The high voltage system the novel MPGD-based photon detectors ofCOMPASS RICH-1 and its development towards a scalable HVPSS forMPGDs Open
The COMPASS RICH-1 detector underwent major upgrade in 2016 with the installation of four novel MPGD-based photon detectors. They consist of large-size hybrid MPGDs with multi-layer architecture composed of two layers of Thick-GEMs and bul…
View article: The COMPASS RICH-1 MPGD based photon detector performance
The COMPASS RICH-1 MPGD based photon detector performance Open
In 2016 we have upgraded the COMPASS RICH by novel gaseous photon detectors based on MPGD technology. Four new photon detectors, covering a total active area of 1.5 m 2 , have been installed in order to cope with the challenging efficiency…
View article: Nanodiamond photocathodes for MPGD-based single photon detectors at future EIC
Nanodiamond photocathodes for MPGD-based single photon detectors at future EIC Open
We are developing gaseous photon detectors for Cherenkov imaging applications in the experiments at the future Electron Ion Collider. CsI, converting photons in the far ultraviolet range, is, so far, the only photoconverter compatible with…
View article: Direct measurements of the properties of Thick-GEM reflective photocathodes
Direct measurements of the properties of Thick-GEM reflective photocathodes Open
In the context of the development of novel Thick GEM based detectors of\nsingle photons, the high resolution optical system, nicknamed Leopard,\nproviding a detailed surface scanning of the Thick GEM electron multipliers,\nhas been used fo…
View article: Nanodiamond photocathodes for MPGD-based single photon detectors at future EIC
Nanodiamond photocathodes for MPGD-based single photon detectors at future EIC Open
The design of a Ring Imaging CHerenkov (RICH) detector for the identification of high momentum particles at the future Electron Ion Collider (EIC) is extremely challenging by using current technology. Compact collider setups impose to cons…
View article: The MPGD-Based Photon Detectors for the upgrade of COMPASS RICH-1
The MPGD-Based Photon Detectors for the upgrade of COMPASS RICH-1 Open
After pioneering gaseous detectors of single photon for RICH applications using CsI solid state photocathodes in MWPCs within the RD26 collaboration and by the constructions for the RICH detector of the COMPASS experiment at CERN SPS, in 2…
View article: Humidity effects on evolution of CsI thin Films: Fractal studies of rough surfaces
Humidity effects on evolution of CsI thin Films: Fractal studies of rough surfaces Open
The present work investigates the morphological, micro-structural, compositional and fractal analysis for CsI thin films in case of "as-deposited" and "1 hour humid air aged". The variation of grain sizes obtained from transmission electro…
View article: Growth evolution of self-affine thermally evaporated KBr thin films: A fractal assessment
Growth evolution of self-affine thermally evaporated KBr thin films: A fractal assessment Open
In this article, fractal concepts were used to explore the thermally evaporated potassium bromide thin films of different thicknesses 200, 300, and 500 nm respectively; grown on aluminium substrates at room temperature. The self-affine or …
View article: X-ray diffraction line profile analysis of KBr thin films
X-ray diffraction line profile analysis of KBr thin films Open
In the present work, the microcrystalline characteristics of KBr thin films have been investigated by evaluating the breadth of diffraction peak. The Williamson-Hall, the Size-Strain Plot and the single line Voigt methods are employed to d…