Explanipedia

Machine Learning Optimization of BEGe Detector Event Selection in the VIP Experiment Open

Simone Manti, Jason Yip, M. Bazzi, Nicola Bortolotti, Mario Bragadireanu , et al. · 2025

The VIP collaboration operates a Broad Energy Germanium detector at the Gran Sasso National Laboratory to measure radiation in the few keV to 100 keV range, aiming to search for spontaneous collapse induced radiation and atomic transitions…

CZT Detectors for kaonic atoms spectroscopy Open

F. Artibani, Antonino Buttacavoli, G. Gerardi, F. Principato, M. Bazzi , et al. · 2025

Cadmium zinc telluride (CZT) detectors offer excellent room-temperature energy resolution, making them well suited for X- and $γ$-ray spectroscopy in challenging environments. Within the SIDDHARTA-2 program at the DA$Φ$NE collider, a new C…

Strongest constraint on the parastatistical Quon model with the VIP-2 measurements Open

Alessio Porcelli, Kristian Piscicchia, M. Bazzi, Nicola Bortolotti, Mario Bragadireanu , et al. · 2025

The spin-statistics theorem leads to Pauli’s Exclusion Principle (PEP), the basis of the stability of matter and many other phenomena relevant to physics, astrophysics, cosmology, and even biology. Possible violations of the PEP (PEPV) hav…

Low-energy kaon-nuclei interaction studies at the DAFNE collider: a strangeness Odyssey Open

C. Curceanu, F. Artibani, F. Clozza, L. Abbene, M. Bazzi , et al. · 2025

Strongest constraint on the parastatistical Quon model with the VIP-2 measurements Open

Alessio Porcelli, K. Piscicchia, M. Bazzi, Nicola Bortolotti, Mario Bragadireanu , et al. · 2025

The spin-statistics theorem leads to Pauli’s Exclusion Principle (PEP), the basis of the stability of matter and many other phenomena relevant to physics, astrophysics, cosmology, and even biology. Possible violations of the PEP (PEPV) hav…

Tests of New CZT detectors at DAΦNE collider for Kaonic Atoms Measurements Open

F. Artibani, L. Abbene, M. Bazzi, G. Borghi, D. Bosnar , et al. · 2025

Kaonic atom spectroscopy provides key observables for investigating low-energy strong interactions in strange systems. In this paper, we present an overview of the SIDDHARTA-2 collaboration’s activities in the field of kaonic atoms, with a…

Testing the Pauli Exclusion Principle and fundamental symmetries with the VIP underground experiment Open

F. Napolitano, M. Bazzi, Nicola Bortolotti, M. Bragadireanu, M. Cargnelli , et al. · 2025

Kaonic atoms studies with the SIDDHARTA-2 experiment Open

A. Scordo, F. Artibani, F. Clozza, L. Abbene, M. Bazzi , et al. · 2025

The SIDDHARTA-2 collaboration is performing research in the field of kaonic atoms spectroscopy. In this work, following an introduction on kaonic atoms and their importance for the development of low-energy strong interaction theories, the…

High precision X-ray spectroscopy of kaonic neon Open

F Sgaramella, D. Sirghi, K. Toho, F. Clozza, L. Abbene , et al. · 2024

The high-precision kaonic neon X-ray transitions measurement performed by the SIDDHARTA-2 collaboration at the DA$Φ$NE collider is reported. Both the X-ray energies and yields for high-n transitions were measured, demonstrating the feasibi…

First Stability Characterization for a CZT Detection System in an e+e− Collider Environment Open

L. Abbene, F. Artibani, Manuele Bettelli, Antonino Buttacavoli, F. Principato , et al. · 2024

The SIDDHARTA-2 collaboration has developed a novel X-ray detection system based on cadmium-zinc-telluride (CZT, CdZnTe), marking the first application of this technology at the DAΦNE electron-positron collider at INFN-LNF. This work aims …

Coulomb interaction study and its use in data processing Open

B. Adeva, L. Afanasyev, A. Anania, S. Aogaki, A. Benelli , et al. · 2024

In this work, the Coulomb effects (Coulomb correlations) in π+π− pairs produced in p+Ni collisions at 24 GeV/c, are studied using experimental π+π− pair distributions in Q, the relative momentum in the pair center-of-mass system (c.m.s.),…

Intermediate Mass Kaonic Atoms at DA$Φ$NE Open

F. Artibani, F. Clozza, M. Bazzi, C. Capoccia, A. Clozza , et al. · 2024

The SIDDHARTA-2 collaboration aims to measure for the first time the shift and width induced on the $1s$ level of kaonic deuterium by the strong interaction. In the preliminary phase to the experiment, a test run using a Helium-4 target wa…

First Linearity and Stability Characterization for CZT Detection System in a e$^+$e$^-$ Collider Environment Open

L. Abbene, F. Artibani, Manuele Bettelli, Antonino Buttacavoli, F. Principato , et al. · 2024

The SIDDHARTA-2 collaboration built a new cadmium-zinc-telluride (CZT, CdZnTe)-based X-ray detection system, used for the first time in the DA$Φ$NE electron-positron collider at INFN-LNF. The aim of this work is to show that these detector…

The π^+π^- Coulomb interaction study and its use in the data processing Open

B. Adeva, L. Afanasyev, A. Anania, S. Aogaki, A. Benelli , et al. · 2024

In this work the Coulomb effects (Coulomb correlations) in $π^+π^-$ pairs produced in p + Ni collisions at 24 GeV/$c$, are studied using experimental $π^+π^-$ pair distributions in $Q$, the relative momentum in the pair center of mass syst…

Testing the Pauli Exclusion Principle across the Periodic Table with the VIP-3 Experiment Open

Simone Manti, M. Bazzi, Nicola Bortolotti, C. Capoccia, M. Cargnelli , et al. · 2024

The Pauli exclusion principle (PEP), a cornerstone of quantum mechanics and whole science, states that in a system, two fermions can not simultaneously occupy the same quantum state. Several experimental tests have been performed to place …

Optimization of a BEGe Detector Setup for Testing Quantum Foundations in the Underground LNGS Laboratory Open

Kristian Piscicchia, A. Clozza, Diana Laura Sirghi, M. Bazzi, Nicola Bortolotti , et al. · 2024

In this work, we report on tests performed with an experimental apparatus prototype based on a broad-energy germanium detector aimed at investigating topical, foundational issues in quantum mechanics: i.e., possible violations of the spin-…

Measurement of the mesonic decay branch of the $\bar{K}\!N\!N$ quasi-bound state Open

T. Yamaga, S. Ajimura, H. Asano, G. Beer, H. Bhang , et al. · 2024

We conducted measurements of $K^- + {^3{\rm He}} \to π\!Y \!N + N'$ reactions using a $1~{\rm GeV}/c$ $K^-$-beam, with the objective of understanding the broad decay width of $\bar{K} \!N \!N$ (approximately twice as broad as that of $Λ(14…

First measurement of kaonic helium-4 M-series transitions Open

Francesco Sgaramella, D Sirghi, L. Abbene, F. Artibani, M. Bazzi , et al. · 2024

In this paper we present the results of a new kaonic helium-4 measurement with a 1.37 g l −1 gaseous target by the SIDDHARTA-2 experiment at the DAΦNE collider. We measured, for the first time, the energies and yields of three transitions …

VIP-2 with modulated current: pathfinder for enhanced Pauli exclusion principle violation studies Open

Alessio Porcelli, M. Bazzi, Nicola Bortolotti, Mario Bragadireanu, M. Cargnelli , et al. · 2024

Fermions are subject to the Pauli Exclusion Principle (PEP), which is grounded on the spin-statistics theorem and, hence, related to the very same structure of the underlying symmetries. The VIP-2 (VIolation of Pauli exclusion principle - …

Characterization of the SIDDHARTA-2 Setup via the Kaonic Helium Measurement Open

Francesco Sgaramella, F. Clozza, L. Abbene, F. Artibani, M. Bazzi , et al. · 2024

The aim of the SIDDHARTA-2 experiment is to perform the first measurement ever of the width and shift induced by the strong interaction to the 2p→1s energy transition of kaonic deuterium. This ambitious goal implies a challenging task due …

Kaonic atoms with SIDDHARTA-2 at the DAΦNE collider Open

F. Sirghi, L. Abbene, M. Bazzi, D. Bosnar, M. Bragadireanu , et al. · 2024

The most important information still missing in the field of the low-energy antikaon-nucleon inter actions studies is the experimental determination of the hadronic energy shift and width of kaonic deuterium. This measurement will be perfo…

The measurement of the E2 nuclear resonance effects in kaonic atoms at DAΦNE: The KAMEO proposal Open

L. De Paolis, L. Abbene, M. Bazzi, Manuele Bettelli, G. Borghi , et al. · 2024

KAMEO (Kaonic Atoms Measuring Nuclear Resonance Effects Ob-servables) is a proposal for an experiment aiming to perform the first consistent measurement of the E2 nuclear resonance effects in kaonic molybdenum A=94,96,98,100 isotopes. The …

The Odyssey of Kaonic Atoms Studies at the DA$\Phi $NE Collider: From DEAR to SIDDHARTA-2 Open

F. Artibani, F. Clozza, M. Bazzi, C. Capoccia, A. Clozza , et al. · 2024

In this paper, an overview of kaonic atoms studies from the late 90s to nowadays at the DA$\\Phi$NE collider at INFN-LNF is presented. Experiments on kaonic atoms are an important tool to test and optimize phenomenological models on the lo…

Measurement of <i>KN</i> scattering below the <i>KN</i> mass threshold Open

H. Noumi, Kentaro Inoue, Shingo Kawasaki, S. Aikawa, Shuhei Ajimura , et al. · 2024

We measured πE invariant mass spectra below and above the K¯N mass threshold in the K − d → NπE reaction in order to study the K¯N interaction and the Λ(1405) resonance. This reaction can be described by the two-step process: (i) K¯N 1 → K…

Kaonic Helium-4 $L$-series Yield Measurement at 2.25 g/l Density by SIDDHARTA-2 at DA$\Phi $NE Open

Francesco Sgaramella, M. Bazzi, A. Clozza, C. Curceanu, L. De Paolis , et al. · 2024

This article presents the results of the kaonic helium-4 measurement conducted by the SIDDHARTA-2 experiment, aiming to provide crucial insights into the low-energy strong interaction in the strangeness sector. High-precision X-ray spectro…

CdZnTe detectors tested at the collider for future kaonic atoms measurements Open

A. Scordo, L. Abbene, F. Artibani, M. Bazzi, Manuele Bettelli , et al. · 2023

Towards the first kaonic deuterium measurement with the SIDDHARTA-2 experiment Open

C. Curceanu, L. De Paolis, M. Bazzi, D. Bosnar, Mario Bragadireanu , et al. · 2023

The SIDDHARTA-2 experiment is presently installed at the interaction point of the DA$\mathrm{\Phi}$NE electron-positron collider of the National Laboratories of Frascati (LNF-INFN), in Italy, ready to perform the first measurement of the $…

SIDDHARTA-2 apparatus for kaonic atoms research on the DA$Φ$NE collider Open

F. Sirghi, F. Sgaramella, L. Abbene, C. Amsler, M. Bazzi , et al. · 2023

SIDDHARTA-2 represents a state-of-the-art experiment designed to perform dedicated measurements of kaonic atoms, which are particular exotic atom configurations composed of a negatively charged kaon and a nucleus. Investigating these atoms…

The SIDDHARTA-2 Veto-2 system for X-ray spectroscopy of kaonic atoms at DAΦNE Open

M. Tüchler, C. Amsler, M. Bazzi, D. Bosnar, M. Bragadireanu , et al. · 2023

The Veto-2 is a fundamental component of a multiple-stage veto system for the SIDDHARTA-2 experiment installed at the DAΦNE collider at INFN-LNF in Italy. It was developed to improve the signal-to-background ratio for the challenging measu…

First measurement of kaonic helium-4 M-series transitions Open

Francesco Sgaramella, D. Sirghi, L. Abbene, F. Artibani, M. Bazzi , et al. · 2023

In this paper we present the results of a new kaonic helium-4 measurement with a 1.37 g/l gaseous target by the SIDDHARTA-2 experiment at the DAΦNE collider. We measured, for the first time, the energies and yields of three transitions bel…

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