A5090006469- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Neutrino Physics Research
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Black Holes and Theoretical Physics
- Medical Imaging Techniques and Applications
- Radiation Detection and Scintillator Technologies
- Computational Physics and Python Applications
- Particle Accelerators and Free-Electron Lasers
- Atomic and Subatomic Physics Research
- Superconducting Materials and Applications
- Nuclear physics research studies
- Radiation Effects in Electronics
- CCD and CMOS Imaging Sensors
- Advanced Optical Sensing Technologies
- Stochastic processes and statistical mechanics
- Neuroscience and Neural Engineering
- Distributed and Parallel Computing Systems
- Advanced Fluorescence Microscopy Techniques
- Particle accelerators and beam dynamics
- Advanced Sensor and Energy Harvesting Materials
- Semiconductor materials and devices
- Cosmology and Gravitation Theories
Universitat de Barcelona
2011-2025
Universitat Politècnica de Catalunya
2023-2024
Pompeu Fabra University
2022-2024
University of Trento
2023
École Polytechnique Fédérale de Lausanne
2023
Istituto Nazionale di Fisica Nucleare, Sezione di Bari
2023
Institute for High Energy Physics
2023
Barcelona Institute for Science and Technology
2023
University of Geneva
2023
National Center for Oncological Hadrontherapy
2023
The Belle detector at the KEKB electron-positron collider has collected almost 1 billion Y(4S) events in its decade of operation. Super-KEKB, an upgrade is under construction, to increase luminosity by two orders magnitude during a three-year shutdown, with ultimate goal 8E35 /cm^2 /s luminosity. To exploit increased luminosity, been proposed. A new international collaboration Belle-II, being formed. Technical Design Report presents physics motivation, basic methods accelerator upgrade, as...
Abstract The BETA application-specific integrated circuit (ASIC) is a fully programmable chip designed to amplify, shape and digitize the signal of up 64 Silicon photomultiplier (SiPM) channels, with power consumption approximately $$\sim$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>∼</mml:mo> </mml:math> 1 mW/channel. Owing its dual-path gain, capable resolving single photoelectrons (phes) signal-to-noise ratio (SNR) >5 while simultaneously achieving dynamic range...
Recently we reported the design and evaluation of floating semi-implantable devices that receive power from bidirectionally communicate with an external system using coupling by volume conduction. The approach, which are proof-of-concept prototypes, may overcome some limitations presented existing neuroprostheses, especially those related to implant size deployment, as implants avoid bulky components can be developed threadlike devices. Here, it is first-in-human acute demonstration these...
A front end application specific integrated circuit (ASIC) for the readout of common cathode Silicon Photo-Multipliers arrays is presented with following features: wide dynamic range, high speed, multi channel, low input impedance current amplifier, power (≈10mW per channel), connection, directly coupled mode voltage control and separated timing charge signal output.A 16 channel prototype independent outputs energy pile-up detection a single fast output described. The jitter processing...
The calibration and performance of the LHCb Calorimeter system in Run 1 2 at LHC are described. After a brief description sub-detectors their role trigger, methods used for each part reviewed. changes which occurred with increase beam energy explained. performances calorimetry $\gamma$ $\pi^0$ detailed. A few results from collisions recorded $\sqrt {s}$ = 7, 8 13 TeV shown.
Implantable neuroprostheses consisting of a central electronic unit wired to electrodes benefit thousands patients worldwide. However, they present limitations that restrict their use. Those limitations, which are more adverse in motor neuroprostheses, mostly arise from bulkiness and the need perform complex surgical implantation procedures. Alternatively, it has been proposed development distributed networks intramuscular wireless microsensors microstimulators communicate with external...
A Front End ASIC for the readout of Silicon Photo-Multipliers is presented with following features: wide dynamic range, high speed, multi channel, low input impedance current preamplifier, power (7mW per channel), DC coupled common mode voltage control and separated timing charge signal output. detailed description SiPM modeling parameter extraction also included allowing emulation generated by different commercial devices in design simulation stage. Current prototype first step a more...
The High Energy cosmic-Radiation Detection (HERD) facility has been proposed as a main space astronomy payload onboard the China Space Station, with aim of detecting cosmic rays (CRs) up to few PeV and gamma-rays greater than 100 MeV. instrument is designed accept incident particles from its top four lateral sides. Owing pioneering design, more one order magnitude increase in geometric acceptance foreseen, respect previous ongoing cosmic-ray experiments. Plastic Scintillator Detector (PSD)...
In the last years fabrication of SPAD cameras has become one main fields interest in 3-D imaging and bioapplications. In this paper we present comparison between two standard CMOS technologies to fabricate SPADs cameras. The used are a high voltage 0.35μm technology from AMS high integration 130nm STM. advantage using among dedicated is the possibility integrating control/reading electronics into same die. Neither processes is optimized for optical applications, no post-processing been...
The gated operation is proposed as an effective method to reduce the noise in pixel detectors based on Geiger mode avalanche photodiodes. A prototype with sensor and front-end electronics monolithically integrated has been fabricated a conventional HV-CMOS process. Experimental results demonstrate increase of dynamic range by applying this technique.
Objective.To develop andin vivodemonstrate threadlike wireless implantable neuromuscular microstimulators that are digitally addressable.Approach.These devices perform, through its two electrodes, electronic rectification of innocuous high frequency current bursts delivered by volume conduction via epidermal textile electrodes. By avoiding the need large components to obtain electrical energy, this approach allows development thin can be intramuscularly implanted minimally invasive...
The High Energy cosmic-Radiation Detection (HERD) facility onboard the Chinese Space Station will provide high quality data on charged cosmic rays from few GeV to PeV energies and gamma above 100 MeV. HERD employ a Plastic Scintillator Detector (PSD) discriminate neutral particles help identify measure nuclei charge up iron. For these reasons, PSD needs have detection efficiency ($\sim99.998\%$) good resolution ($\sim30\%$ at low $Z$). During 2022 2023, beam test campaigns were performed...
Electronic waste (e-waste) contains toxic elements causing an important impact on environmental and human health. However, the presence of valuable metals, such as copper or gold, among others, make recycling a necessity for obtaining alternative source raw materials. Conventional metal recovery methods are environmentally unsound, prompting exploration greener alternatives like bioleaching, which utilizes activity microorganisms more sustainable recovery. mechanisms involved in process...
The LHCb detector will be upgraded during the Long Shutdown 2 (LS2) of LHC in order to cope with higher instantaneous luminosities and switch a 40 MHz readout rate using trigger-less software based system. All front-end electronics replaced several sub-detectors must redesigned occupancy radiation damage. current tracking detectors downstream dipole magnet by Scintillating Fibre (SciFi) Tracker. SciFi Tracker use scintillating fibres read out Silicon Photomultipliers (SiPMs)....
The LHCb detector will be upgraded during the next LHC shutdown in 2018/19 [1]. tracker system have a major overhaul. Its components replaced with new technologies order to cope increased hit occupancy and radiation environment. Here we describe made of scintillating fibers read out by silicon photomultipliers (SiPM), view its application for this upgrade. This technology has been shown achieve high efficiency spatial resolution, but integration within experiment presents challenges.
We have designed FlexToT, a flexible application specific integrated circuit (ASIC) using time-over-threshold (ToT) techniques for the readout of silicon photomultiplier (SiPM) arrays in positron emission tomography (PET) detectors. The FlexToT ASIC accommodates 16 independent channels small die size (2.93 mm by 2.54 mm) with low power consumption (10 mW per channel), providing output signals whose duration is proportional to current amplitude at its inputs. threshold, gain and other...
Wireless power transfer (WPT) methods such as inductive coupling and ultrasounds are used an alternative to electrochemical batteries energize active implantable medical devices. However, existing WPT require the use of bulky components (e.g., coils) that hinder miniaturization. To avoid this, we proposed volume conduction high frequency (HF) current bursts bidirectionally communicate with threadlike implants can be for electrical stimulation sensing electromyography acquisition). Here, in...
Satellite experiments employ plastic scintillators to discriminate charged from neutral particles and identify nuclei. We have assembled tested a prototype of Plastic Scintillator Detector (PSD) equipped with Silicon Photomultipliers (SiPMs) for the High Energy Cosmic Radiation Detection facility (HERD) that will be installed onboard future Chinese Space Station (CSS). The HERD experiment provide high quality data on cosmic rays up PeV energies gamma above 100 MeV energies. In order explore...