During the last 1 million years, Earth's climate has been paced by the glacial-interglacial cycle, characterized by alternating climate conditions, especially the appearance and disappearance of massive ice sheets in North America and Eurasia. These oscillations between warm (inter-glacial) and cold (glacial) states raise concerns about the potential existence of a `hot' state that could...
My research focuses on the search of New Physics with hadrons arriving late to the ATLAS calorimeter. This talk will explain why signatures with unusually timed final states compared to the SM particles are a promising avenue for discovering New Physics. It will also discuss the unique backgrounds that this search must address, especially those arising from interactions between the beam and...
Neutrinos are the the most elusive among the known elementary particles, and for this reasson remain one of the mysterious pieces of the Standard Model. Today we know that the three neutrino flavours mix with each other through a quantum interference effect known as neutrino oscillations.
Since the discovery of the neutrino oscillations, one of the most interesting questions has been whether...
Testing gravity is challenging because gravity is the weakest of all fundamental forces of nature. Cosmology studies the largest scales accessible to the human being, with gravity being the driving force of cosmic evolution. Therefore, the Universe provides an ideal testbed of gravity. In this talk, I will describe my research on testing general relativity and searching for new gravitational...
Gamma-Ray Bursts (GRBs) are among the most energetic events in the universe that have still open questions regarding their jet structure, magnetic-field geometry, and radiation mechanisms; polarization measurements are key to answering these questions. POLAR-2 is an improved version of its predecessor POLAR, and aims to measure the polarization of GRBs within a higher energy range of 30-800...
Traditional searches for new physics at the ATLAS experiment can be limited by the finite trigger bandwidth and storage capacity for LHC collision data. The ATLAS trigger determines which data to discard and selects only a small fraction of events for further analysis. In order to study events that are typically rejected by the trigger ATLAS has introduced a new real-time data analysis...
The most common way of studying electrons in a lattice is to imagine that they simply hop instantaneously from one lattice site to another. When a magnetic field is involved, it is common to assume that the only way, in which it affects the electrons, is by attaching a gauge-dependent phase shift to their hops. This assumption, however, is only valid for relatively small magnetic field...
Multi photon scanning microscopy gives access to high axial resolution, high penetration depth and
the third spatial dimension at the cost of imaging speed as each pixel must be probed individually.
The image acquisition time of conventional scanning systems is inertia limited by the oscillation
frequency of two galvanometric mirrors, making observation of biological processes that occur...
Secondary cosmic ray (CR) measurements offer essential insights into galactic particle propagation mechanisms and interaction processes.
When primary CRs (e.g., carbon and oxygen nuclei) interact with the interstellar medium (ISM), they produce lighter secondary particles through fragmentation.
Among these secondaries, boron stands out as particularly abundant, making it an ideal tracer for...
β-decay spectroscopy is a powerful technique for studying the properties of exotic neutron-rich nuclei and improving our understanding of exotic nuclear phenomena, such as β-delayed neutron emission [1-3], relevant in astrophysical r-process.
Thanks to the high angular momentum selectivity of the process, β-decay offers unique access to excited states in daughter nuclei having configurations...
The Terzina payload aboard the NUSES mission is being developed by GSSI, INFN, and the University of Geneva in collaboration with Thales Alenia Space–Italy. It is a compact Cherenkov Schmidt–Cassegrain telescope with a 925 m effective focal length and a 640-pixel SiPM focal plane composed of FBK 8 × 8 tiles, designed to observe Cherenkov light from extensive air showers produced by...
The Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based observatory for very-high-energy (VHE) gamma-ray astronomy. The Large-Sized Telescope prototype, LST-1, located on the Canary Island of La Palma, is responsible for observation of the low-energy range of the VHE gamma-ray spectrum. It is undergoing commissioning and has already observed the Crab Nebula as a...
Previous works on constraining the Epoch of Reionization (EoR) using FRBs have been done, but they all assume that the redshift at which the FRB is emitted is known. This is possible in principle but requires localization of the FRBs. This can’t be provided by the radio telescopes that detect most FRBs, so it would require a second measurement. My work makes it computationally feasible to...
Multi-nucleon (2p2h, two-particle–two-hole) knockout, in which a neutrino interacts with a correlated pair of nucleons inside a nucleus, is a major source of systematic uncertainty in long-baseline neutrino oscillation experiments. One or more outgoing nucleons may fail to exit the nucleus or fall below detector thresholds and thus remain unobserved. These partially reconstructed events can...
The universe contains a large amount of radiation, from radio waves to gamma rays. At the highest energy end of the radiation spectrum, powerful cosmic accelerators originate it. Their way of functioning and accelerating particles is a very fascinating relativistic laboratory where matter is often in extreme conditions. We will describe different signals with different messengers (gamma rays,...
