D. Bortoletto
YOU?
Author Swipe
View article: Measurements of $ZZ \rightarrow \ell\ellνν$ and $ZZjj \rightarrow \ell\ellννjj$ productions in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Measurements of $ZZ \rightarrow \ell\ellνν$ and $ZZjj \rightarrow \ell\ellννjj$ productions in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector Open
This article presents measurements of $Z$ boson pair production cross-sections at a center-of-mass energy of $\sqrt{s} = 13$ TeV, using 140 fb$^{-1}$ of proton-proton data collected with the ATLAS detector at the Large Hadron Collider. The…
View article: Charge calibration of MALTA2, a radiation hard depleted monolithic active pixel sensor
Charge calibration of MALTA2, a radiation hard depleted monolithic active pixel sensor Open
MALTA2 is a depleted monolithic active pixel sensor (DMAPS) designed for tracking at high rates and typically low detection threshold of 200e−. Threshold calibration is crucial to understanding the charge collection in the pixel. A simple …
View article: Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam
Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam Open
MALTA2 is a Depleted Monolithic Active Pixel Sensor designed to meet the challenging requirements of future collider experiments, in particularly extreme radiation tolerance and high hit rate. The sensor is fabricated in a modified Tower 1…
View article: Measuring the ATLAS ITk pixel detector material via multiple scattering of positrons at the CERN PS
Measuring the ATLAS ITk pixel detector material via multiple scattering of positrons at the CERN PS Open
The ITk is a new silicon tracker for the ATLAS experiment designed to increase detector resolution, readout capacity, and radiation hardness, in preparation for the larger number of simultaneous proton–proton interactions at the High Lumin…
View article: RD53 pixel readout integrated circuits for ATLAS and CMS HL-LHC upgrades
RD53 pixel readout integrated circuits for ATLAS and CMS HL-LHC upgrades Open
The RD53 collaboration has since 2013 developed new hybrid pixel detector chips with 50 × 50 μm 2 pixels for the HL-LHC upgrades of the ATLAS and CMS experiments at CERN. A common architecture, design and verification framework has been de…
View article: Measurement of the resolution of the Timepix4 detector for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si19.svg" display="inline" id="d1e448"><mml:mrow><mml:mn>100</mml:mn><mml:mspace class="nbsp" width="1em"/><mml:mi mathvariant="normal">keV</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si20.svg" display="inline" id="d1e457"><mml:mrow><mml:mn>200</mml:mn><mml:mspace class="nbsp" width="1em"/><mml:mi mathvariant="normal">keV</mml:mi></mml:mrow></mml:math> electrons for transmission electron microscopy
Measurement of the resolution of the Timepix4 detector for and electrons for transmission electron microscopy Open
View article: Physics Briefing Book: Input for the 2026 update of the European Strategy for Particle Physics
Physics Briefing Book: Input for the 2026 update of the European Strategy for Particle Physics Open
The European Strategy for Particle Physics (ESPP) reflects the vision and presents concrete plans of the European particle physics community for advancing human knowledge in fundamental physics. The ESPP is updated every five-to-six years …
View article: Measurement of the Resolution of the Timepix4 Detector for 100 keV and 200 keV Electrons for Transmission Electron Microscopy
Measurement of the Resolution of the Timepix4 Detector for 100 keV and 200 keV Electrons for Transmission Electron Microscopy Open
We have evaluated the imaging capabilities of the Timepix4 hybrid silicon pixel detector for 100 keV and 200 keV electrons in a Transmission Electron Microscope (TEM). Using the knife-edge method, we have measured the Modulation Transfer F…
View article: The CDF SVX-II upgrade for the Tevatron Run II
The CDF SVX-II upgrade for the Tevatron Run II Open
A microstrip silicon detector SVX-II has been proposed for the upgrade of the vertex detector at the CDF experiment to be installed in 1999 for run II of the Tevatron. Three barrels of five layers of double-sided silicon microstrip detecto…
View article: Development of the radiation-hard MALTA CMOS sensor for tracking applications
Development of the radiation-hard MALTA CMOS sensor for tracking applications Open
The MALTA family of Depleted Monolithic Active Pixel Sensors (DMAPS) is produced using Tower 180 nm CMOS technology, specifically targeting radiation-hard applications in the HL-LHC and beyond. Several process modifications have resulted i…
View article: Dose rate dependence of TID damage to 65 nm CMOS transistors in X-ray irradiations of the ATLAS ITk Pixel ASIC (ITkPix)
Dose rate dependence of TID damage to 65 nm CMOS transistors in X-ray irradiations of the ATLAS ITk Pixel ASIC (ITkPix) Open
The ATLAS Inner Tracker (ITk) upgrade for the High-Luminosity LHC (HL-LHC) requires a radiation-tolerant pixel readout chip, which must withstand a total ionising dose (TID) of up to 1 Grad. The readout ASIC for the ITk upgrade has been de…
View article: Depletion depth studies with the MALTA2 sensor, a depleted monolithic active pixel sensor
Depletion depth studies with the MALTA2 sensor, a depleted monolithic active pixel sensor Open
MALTA2 is a depleted monolithic active pixel sensor (DMAPS) developed in the Tower 180 nm CMOS imaging process. Monolithic CMOS sensors offer advantages over current hybrid imaging sensors both in terms of increased tracking performance du…
View article: Radiation hardness of MALTA2 monolithic CMOS imaging sensors on Czochralski substrates
Radiation hardness of MALTA2 monolithic CMOS imaging sensors on Czochralski substrates Open
View article: Centralized design and production of the ultra-high vacuum and laser-stabilization systems for the AION ultra-cold strontium laboratories
Centralized design and production of the ultra-high vacuum and laser-stabilization systems for the AION ultra-cold strontium laboratories Open
This paper outlines the centralized design and production of the ultra-high-vacuum sidearm and laser-stabilization systems for the AION Ultra-Cold Strontium Laboratories. Commissioning data on the residual gas and steady-state pressures in…
View article: Radiation Hardness of MALTA2, a Monolithic Active Pixel Sensor for Tracking Applications
Radiation Hardness of MALTA2, a Monolithic Active Pixel Sensor for Tracking Applications Open
MALTA is a depleted monolithic active pixel sensor (DMAPS) developed in the Tower Semiconductor 180 nm CMOS imaging process. Monolithic CMOS sensors offer advantages over current hybrid imaging sensors both in terms of increased tracking p…
View article: Radiation Hardness of MALTA2 Monolithic CMOS Sensors on Czochralski Substrates
Radiation Hardness of MALTA2 Monolithic CMOS Sensors on Czochralski Substrates Open
MALTA2 is the latest full-scale prototype of the MALTA family of Depleted Monolithic Active Pixel Sensors (DMAPS) produced in Tower Semiconductor 180 nm CMOS technology. In order to comply with the requirements of High Energy Physics (HEP)…
View article: Performance of the MALTA telescope
Performance of the MALTA telescope Open
View article: Centralised Design and Production of the Ultra-High Vacuum and Laser-Stabilisation Systems for the AION Ultra-Cold Strontium Laboratories
Centralised Design and Production of the Ultra-High Vacuum and Laser-Stabilisation Systems for the AION Ultra-Cold Strontium Laboratories Open
This paper outlines the centralised design and production of the Ultra-High-Vacuum sidearm and Laser-Stabilisation systems for the AION Ultra-Cold Strontium Laboratories. Commissioning data on the residual gas and steady-state pressures in…
View article: Future developments of radiation tolerant sensors based on the MALTA architecture
Future developments of radiation tolerant sensors based on the MALTA architecture Open
The planned MALTA3 DMAPS designed in the standard TowerJazz 180 nm imaging process will implement the numerous process modifications, as well as front-end changes in order to boost the charge collection efficiency after the targeted fluenc…
View article: Performance of the MALTA telescope
Performance of the MALTA telescope Open
MALTA is part of the Depleted Monolithic Active Pixel sensors designed in Tower 180 nm CMOS imaging technology. A custom telescope with six MALTA planes has been developed for test beam campaigns at SPS, CERN, with the ability to host seve…
View article: ATLAS ITk tracking and readout performance
ATLAS ITk tracking and readout performance Open
The ATLAS Inner Detector will be replaced with a new all-silicon Inner Tracker (ITk) designed for the challenging environment of the High Luminosity LHC (HL-LHC). The ITk layout of the pixel detector was recently successfully optimized to …
View article: Development of a large-area, light-weight module using the MALTA monolithic pixel detector
Development of a large-area, light-weight module using the MALTA monolithic pixel detector Open
View article: Ion Microscope Imaging Mass Spectrometry Using a Timepix3-Based Optical Camera
Ion Microscope Imaging Mass Spectrometry Using a Timepix3-Based Optical Camera Open
Ion microscopy allows for high-throughput mass spectrometry imaging. In order to resolve congested mass spectra, a high degree of timing precision is required from the microscope detector. In this paper we present an ion microscope mass sp…
View article: Latest developments and characterisation results of DMAPS in TowerJazz 180nm for High Luminosity LHC
Latest developments and characterisation results of DMAPS in TowerJazz 180nm for High Luminosity LHC Open
The last couple of years have seen the development of Depleted Monolithic Active Pixel Sensors (DMAPS) fabricated in TowerJazz 180nm with a process modification to increase the radiation tolerance. While many of MAPS developments focus on …
View article: Preliminary test results of LGADs from Teledyne e2v for the LHC’s High-Luminosity upgrade
Preliminary test results of LGADs from Teledyne e2v for the LHC’s High-Luminosity upgrade Open
This paper presents initial testing of the first batch of LGAD sensors fabricated by Teledyne e2v in collaboration with the University of Birmingham, University of Oxford, Rutherford Appleton Laboratory and the Open University. Wafers with…
View article: Recent results with radiation-tolerant TowerJazz 180 nm MALTA sensors
Recent results with radiation-tolerant TowerJazz 180 nm MALTA sensors Open
View article: MALTA3: Concepts for a new radiation tolerant sensor in the TowerJazz 180 nm technology
MALTA3: Concepts for a new radiation tolerant sensor in the TowerJazz 180 nm technology Open
View article: A 1-<i>μ</i>W Radiation-Hard Front-End in a 0.18-<i>μ</i>m CMOS Process for the MALTA2 Monolithic Sensor
A 1-<i>μ</i>W Radiation-Hard Front-End in a 0.18-<i>μ</i>m CMOS Process for the MALTA2 Monolithic Sensor Open
In this article, a low-power, radiation-hard front-end circuit for monolithic pixel sensors, designed to meet the requirements of low noise and low pixel-to-pixel variability, the key features to achieve high detection efficiencies, is pre…
View article: Radiation hardness and timing performance in MALTA monolithic pixel sensors in TowerJazz 180 nm
Radiation hardness and timing performance in MALTA monolithic pixel sensors in TowerJazz 180 nm Open
The MALTA family of depleted monolithic pixel sensors produced in TowerJazz 180 nm CMOS technology target radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radi…
View article: Timing performance of radiation hard MALTA monolithic pixel sensors
Timing performance of radiation hard MALTA monolithic pixel sensors Open
The MALTA family of Depleted Monolithic Active Pixel Sensor (DMAPS) produced in Tower 180 nm CMOS technology targets radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resul…