Explanipedia

Technical design report for the CODEX-<i>β</i> demonstrator Open

G. Aielli, J. Alimena, Saul Balcarcel-Salazar, J. B. Beacham, E. Ben-Haim , et al. · 2025

The CODEX- β apparatus is a demonstrator for the proposed future CODEX-b experiment, a long-lived-particle detector foreseen for operation at IP8 during HL-LHC data-taking. The demonstrator project, intended to collect data in 2025, is des…

CODEX-b: Opening New Windows to the Long-Lived Particle Frontier at the LHC Open

G. Aielli, J. Alimena, Saul Balcarcel-Salazar, Eli Ben Haim, András Barnabás Burucs , et al. · 2025

This document is written as a contribution to the European Strategy of Particle Physics (ESPP) update. We offer a detailed overview of current developments and future directions for the CODEX-b detector, which aims to detect long-lived par…

Long-Term Ageing Studies on Eco-Friendly Resistive Plate Chamber Detectors Open

M. Abbrescia, G. Aielli, R. Aly, Maria Cristina Arena, Miguel Ferreira , et al. · 2025

In high-energy physics, resistive plate chamber (RPC) detectors operating in avalanche mode make use of a high-performance gas mixture. Its main component, Tetrafluoroethane (C2H2F4), is classified as a fluorinated greenhouse gas. The RPC …

Exploring eco-friendly gas mixtures for resistive plate chambers: A comprehensive study on performance and aging Open

L. Quaglia, M. Abbrescia, G. Aielli, R. Aly, M.C. Arena , et al. · 2024

In-beam performance of a Resistive Plate Chamber operated with eco-friendly gas mixtures Open

L. Quaglia, M. Abbrescia, G. Aielli, R. Aly, M.C. Arena , et al. · 2024

Technical design report for the CODEX-beta demonstrator Open

G. Aielli, J. Alimena, J. B. Beacham, Eli Ben Haim, András Barnabás Burucs , et al. · 2024

The CODEX-$\beta$ apparatus is a demonstrator for the proposed future CODEX-b experiment, a long-lived-particle detector foreseen for operation at IP8 during HL-LHC data-taking. The demonstrator project, intended to collect data in 2025, i…

Preliminary results on the long term operation of RPCs with eco-friendly gas mixtures under irradiation at the CERN Gamma Irradiation Facility Open

L. Quaglia, D. Ramos, M. Abbrescia, G. Aielli, R. Aly , et al. · 2023

Since 2019 a collaboration between researchers from various institutes and experiments (i.e. ATLAS, CMS, ALICE, LHCb/SHiP and the CERN EP-DT group), has been operating several RPCs with diverse electronics, gas gap thicknesses and detector…

Searching for an eco-friendly gas mixture for the ALICE Resistive Plate Chambers Open

L. Quaglia, M. Abbrescia, G. Aielli, R. Aly, Maria Cristina Arena , et al. · 2023

The ALICE RPCs are operated with a mixture of 89.7% $C_{2}H_{2}F_{4}$, 10%\ni-$C_{4}H_{10}$ and 0.3% $SF_{6}$. $C_{2}H_{2}F_{4}$ and $SF_{6}$ are\nfluorinated greenhouse gases with a high Global Warming Potential (GWP). New\nEuropean Union…

Study of environment-friendly gas mixtures for the Resistive Plate Chambers Open

G. Proto, B. Liberti, R. Santonico, G. Aielli, P. Camarri , et al. · 2022

The standard gas mixture for the Resistive Plate Chambers (RPC), composed of $\\rm{C_{2}H_{2}F_{4}}$/i-$\\rm{C_{4}H_{10}/SF_{6}}$, has a high Global Warming Potential (GWP $\\rm{\\sim}$ 1430) mainly due to the presence of $\\rm{C_{2}H_{2}F…

On a new environment-friendly gas mixture for Resistive Plate Chambers Open

G. Proto, B. Liberti, R. Santonico, G. Aielli, P. Camarri , et al. · 2022

This paper studies the performance of RPCs working with a new family of environment-friendly gases, mainly based on Carbon Dioxide and Hydro-Fluoro-Olefins. The tests are carried out on a 2 mm gap RPC and concern the measurement of detecti…

The Road Ahead for CODEX-b Open

G. Aielli, J. Alimena, T. Beau, E. Ben-Haim, M. Borsato , et al. · 2022

In this Snowmass contribution we present a comprehensive status update on the progress and plans for the proposed CODEX-b detector, intended to search for long-lived particles beyond the Standard Model. We review the physics case for the p…

Characterization of new eco friendly gas mixtures based on HFO for RPCs Open

G. Proto, G. Aielli, E. Alunno Camelia, P. Camarri, R. Cardarelli , et al. · 2021

The Resistive Plate Chambers standard mixture, mainly based on C2H2F4, has a high Global Warming Potential (GWP) and therefore the search for RPC eco friendly gases is mandatory. In fact if some additional restrictions on greenhouse gas em…

Performance of the BIS78 RPC detectors: a new concept of electronics and detector integration for high-rate and fast timing large size RPCs Open

L. Pizzimento · 2020

The reduction of the average charge per count in the gas along with the capability to discriminate very small signals from noise can allow an efficient and long-term Resistive Plate Chamber detector operation in high radiation background e…

Characterization of new eco friendly gas mixtures based on HFO for RPCs Open

G. Proto, G. Aielli, E. Alunno Camelia, P. Camarri, R. Cardarelli , et al. · 2020

The ATLAS RPC standard mixture, mainly based on C$_{2}$H$_{2}$F$_{4}$, has a high Global Warming Potential (GWP) and therefore the search for RPC eco friendly gases is mandatory. In this work we present the results on the detector performa…

TECNOMUSE: a novel, RPC-based, muon tomography scanner for the control of container terminals Open

Enrico Preziosi, F Arcieri, A. Caltabiano, P. Camarri, S Casagrande , et al. · 2020

Every year, 700 million twenty-foot (container) equivalent units pass through the container terminals of the harbours all over the world. Only a small percentage (34%) are scanned to inspect the presence of radioactive materials. The need …

BIS78, a pilot project for Phase-2 ATLAS RPC and beyond Open

L. Pizzimento · 2020

The architecture of the present trigger system in the ATLAS muon barrel was designed according to a reference luminosity of 10$^{34}$ cm$^{−2}$s $^{−1}$ with a safety factor of 5, with respect to the simulated background rates, now confirm…

RPC performance versus front-end electronics and detector parameters Open

R. Cardarelli, G. Aielli, E. Alunno Camelia, S. Bruno, A. Caltabiano , et al. · 2019

The first Resistive Plate Chambers detectors were developed for cosmic ray\nexperiments, where low rate capability, good time resolution and low cost per\nunit of area were needed. These same features, except for the low rate\ncapability, …

Development of gaseous particle detectors based on semiconductive plate electrodes Open

A. Rocchi, R. Cardarelli, G. Aielli, E. Alunno Camelia, S. Bruno , et al. · 2018

A new particle detector with sub-nanosecond time resolution capable of working in high-rate environment (rate capability of the order of $MHz/ cm^2$) is under developmnet. Semiconductive electrodes with resistivity $ρ$ up to $10^8 Ω\cdot c…

Optimisation of large-size precise space-resolution RPC structures Open

G. Aielli, A. Caltabiano, L. Pizzimento, Stefano Bruno, A. Rocchi , et al. · 2018

Italian Physical Society : Development of a new front-end electronics in Si and SiGe technology for the Resistive Plate Chamber (RPC) detector for high-rate experiments Open

L. Pizzimento, Anna Di Ciaccio, A. Caltabiano, P. Camarri, S. Bruno , et al. · 2018

The Resistive Plate Chamber (RPC) detector Front-End (FE) for high-rate experiments is being developed. A mixed technology in silicon and silicongermanium is used in order to enhance its performances: a preamplifier in silicon with a very …

Design a TDC in SiGe for RPC's electronics Front-end for the use in a high-rate experiment Open

S. Bruno, R. Cardarelli, G. Aielli, D. Badoni, P. Camarri , et al. · 2018

With the new generation of the RPC, it is possible to work with induced signals of hundreds $μV$, hence the front-end electronics is an important and delicate part of the detector in order to get a detectable signal. The electronic chain i…

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