Underground laboratories

Ianni, Aldo

doi:10.21468/scipostphysproc.12.007

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…The Gran Sasso National Laboratory (LNGS) is located between the towns of L'Aquila and Teramo in Italy [1]. The LNGS has two sites: an underground facility along the highway tunnel connecting Teramo to L'Aquila and a surface headquarters on the L'Aquila side.…”

Section: Introductionmentioning

confidence: 99%

An adaptive evacuation system for the Gran Sasso underground laboratory

Cavalcante,

Bucciarelli

2024

Front. Phys.

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The Gran Sasso National Laboratory (LNGS) is, at present, the largest deep underground laboratory in operation for astroparticle physics and rare event research. The LNGS was created to carry out this research exploiting an overburden of 1,400 m of rock to reduce the flux of muons from cosmic rays. Operating an underground laboratory and its facilities implies a high level of risk. To mitigate risks at the LNGS, a crucial aspect is represented by the evacuation of people from an underground environment during emergencies. The connection between the underground facilities and the outside infrastructure is limited, and the intervention by rescue teams is complicated. This paper reports the study of an adaptive evacuation system to improve the evacuation performance in underground laboratories. The system proposed is composed of a combination of passive, dynamic, and adaptive signage that is able to adapt itself to lead the laboratory occupants to the safe location for evacuation (assembly point). The system collects information from all safety plants, and the data are processed using a customized path-finding algorithm. In the computational algorithm, the underground laboratory is represented as a grid, and the customized path-finding algorithm discovers all available paths to reach the identified evacuation assembly point.

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Section: Introductionmentioning

confidence: 99%

An adaptive evacuation system for the Gran Sasso underground laboratory

Cavalcante,

Bucciarelli

2024

Front. Phys.

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“…he core purpose of LNGS [1] is frontier research in the domains of Astroparticle Physics: low energy solar neutrinos, neutrinoless double-beta decay, dark matter searches, rare nuclear decays, and of Nuclear Astrophysics. LNGS is operated as a research infrastructure open to international users.…”

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confidence: 99%

Current developments in LNGS underground physics

Formicola,

Ianni,

Imbriani

et al. 2023

Europhysics News

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The search for neutrinoless double-beta decay

Gómez-Cadenas,

Martín-Albo,

Menéndez

et al. 2024

Riv. Nuovo Cim.

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Neutrinos are the only particles in the Standard Model that could be Majorana fermions, that is, completely neutral fermions that are their own antiparticles. The most sensitive known experimental method to verify whether neutrinos are Majorana particles is the search for neutrinoless double-beta decay. The last 2 decades have witnessed the development of a vigorous program of neutrinoless double-beta decay experiments, spanning several isotopes and developing different strategies to handle the backgrounds masking a possible signal. In addition, remarkable progress has been made in the understanding of the nuclear matrix elements of neutrinoless double-beta decay, thus reducing a substantial part of the theoretical uncertainties affecting the particle–physics interpretation of the process. On the other hand, the negative results by several experiments, combined with the hints that the neutrino mass ordering could be normal, may imply very long lifetimes for the neutrinoless double-beta decay process. In this report, we review the main aspects of such process, the recent progress on theoretical ideas and the experimental state of the art. We then consider the experimental challenges to be addressed to increase the sensitivity to detect the process in the likely case that lifetimes are much longer than currently explored, and discuss a selection of the most promising experimental efforts.

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Underground laboratories

Abstract: A brief review on underground laboratories at the time of IDM 2022 is reported. General characteristics of these research infrastructures are discussed and a few highlights from different laboratories are reported. The idea of networking between underground laboratories is discussed.

Cited by 3 publications

References 11 publications

An adaptive evacuation system for the Gran Sasso underground laboratory

An adaptive evacuation system for the Gran Sasso underground laboratory

Current developments in LNGS underground physics

The search for neutrinoless double-beta decay

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