Space resolution measurement and threshold calibration of the iRPC detector

CMS Collaboration

doi:10.1016/j.nima.2025.171125

Space resolution measurement and threshold calibration of the iRPC detector

CMS Collaboration

École Polytechnique

Institut de Physique des 2 Infinis de Lyon
Polytechnic University of Tirana
University of Tirana
Vrjie Universiteit Brussel
Ghent University
Rua São Francisco de Xavier
Paul Scherrer Institut
Centro Brasileiro de Pesquisas Fisicas
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
Sofia University St. Kliment Ohridski
University of Chinese Academy of Sciences
Tsinghua University
Universidad de Los Andes, Colombia
Faculty of Science
British University in Egypt
Egyptian Network of High Energy Physics
Ain-Shams University
Now at Sultan Qaboos University
Suez University
Fayoum University
Georgian Technical University
European Organization for Nuclear Research
Institute for Research in Fundamental Sciences (IPM)
INFN Sezione di Bari
Università degli studi di Bari Aldo Moro
Politecnico di Bari
LNF-INFN
Università degli Studi Guglielmo Marconi
INFN Sezione di Napoli
University of Naples Federico II
INFN Sezione di Pavia
University of Pavia
Hanyang University
Korea University
Kyung Hee University
Sungkyunkwan University
Benemerita Universidad Autonoma de Puebla
CINVESTAV-IPN
Universidad Iberoamericana
Quaid-i-Azam University
Massachusetts Institute of Technology

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

In preparation for the High-Luminosity upgrade of the LHC, the CMS Muon spectrometer is undergoing an upgrade, incorporating four new stations of improved Resistive Plate Chambers (iRPC) that will extend the pseudo-rapidity coverage to the range of 1.8 to 2.4. The iRPC chambers explore an approach of 2D readout using the readout strips with a signal collection from both sides. A dedicated Front-End Board (FEB) has been designed to read the iRPC signals and tag them in time using a high-precision Time-to-Digital Converter (TDC). This paper presents two new aspects of the FEB characterization on the test bench and the chamber. First, a precise measurement of the charge to threshold calibration for the FEB. Second, the measurement of the space resolution of the FEB on the chamber using cosmic muons. It is concluded that the FEB on the chamber can operate with a threshold around 40 fC, an absolute space resolution between 0.5–1.5 cm, and an absolute time resolution of 500 ps.

langue originale	Anglais
Numéro d'article	171125
journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	1083
Les DOIs	https://doi.org/10.1016/j.nima.2025.171125
état	Publié - 1 mars 2026

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10.1016/j.nima.2025.171125

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@article{c26ed3bced3744f0a21ebc7d0099e71f,

title = "Space resolution measurement and threshold calibration of the iRPC detector",

abstract = "In preparation for the High-Luminosity upgrade of the LHC, the CMS Muon spectrometer is undergoing an upgrade, incorporating four new stations of improved Resistive Plate Chambers (iRPC) that will extend the pseudo-rapidity coverage to the range of 1.8 to 2.4. The iRPC chambers explore an approach of 2D readout using the readout strips with a signal collection from both sides. A dedicated Front-End Board (FEB) has been designed to read the iRPC signals and tag them in time using a high-precision Time-to-Digital Converter (TDC). This paper presents two new aspects of the FEB characterization on the test bench and the chamber. First, a precise measurement of the charge to threshold calibration for the FEB. Second, the measurement of the space resolution of the FEB on the chamber using cosmic muons. It is concluded that the FEB on the chamber can operate with a threshold around 40 fC, an absolute space resolution between 0.5–1.5 cm, and an absolute time resolution of 500 ps.",

keywords = "CMS, LHC, Particle physics, RPC, Read out electronics",

author = "\{CMS Collaboration\} and M. Gouzevitch and E. {\c C}a{\c c}a and K. Peqini and L. Mirabito and L. Balleyguier and G. Galbit and M. Tytgat and Amarilo, \{K. Mota\} and A. Samalan and K. Skovpen and Alves, \{G. A.\} and Coelho, \{E. Alves\} and \{da Silva\}, \{F. Marujo\} and Filho, \{M. Barroso Ferreira\} and \{Da Costa\}, \{E. M.\} and \{De Jesus Damiao\}, D. and Ferreira, \{B. C.\} and \{De Souza\}, \{S. Fonseca\} and L. Mundim and H. Nogima and Pinheiro, \{J. P.\} and A. Santoro and M. Thiel and \{De Souza\}, \{R. Gomes\} and A. Aleksandrov and R. Hadjiiska and P. Iaydjiev and M. Shopova and G. Sultanov and A. Dimitrov and L. Litov and B. Pavlov and P. Petkov and A. Petrov and E. Shumka and P. Cao and W. Diao and W. Gong and Q. Hou and H. Kou and Liu, \{Z. A.\} and J. Song and N. Wang and J. Zhao and Qian, \{S. J.\} and C. Avila and Trujillo, \{D. A.Barbosa\} and A. Cabrera and Florez, \{C. A.\} and \{De La Taille\}, C.",

note = "Publisher Copyright: {\textcopyright} 2025 The Authors",

year = "2026",

month = mar,

day = "1",

doi = "10.1016/j.nima.2025.171125",

language = "English",

volume = "1083",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

issn = "0168-9002",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Space resolution measurement and threshold calibration of the iRPC detector

AU - CMS Collaboration

AU - Gouzevitch, M.

AU - Çaça, E.

AU - Peqini, K.

AU - Mirabito, L.

AU - Balleyguier, L.

AU - Galbit, G.

AU - Tytgat, M.

AU - Amarilo, K. Mota

AU - Samalan, A.

AU - Skovpen, K.

AU - Alves, G. A.

AU - Coelho, E. Alves

AU - da Silva, F. Marujo

AU - Filho, M. Barroso Ferreira

AU - Da Costa, E. M.

AU - De Jesus Damiao, D.

AU - Ferreira, B. C.

AU - De Souza, S. Fonseca

AU - Mundim, L.

AU - Nogima, H.

AU - Pinheiro, J. P.

AU - Santoro, A.

AU - Thiel, M.

AU - De Souza, R. Gomes

AU - Aleksandrov, A.

AU - Hadjiiska, R.

AU - Iaydjiev, P.

AU - Shopova, M.

AU - Sultanov, G.

AU - Dimitrov, A.

AU - Litov, L.

AU - Pavlov, B.

AU - Petkov, P.

AU - Petrov, A.

AU - Shumka, E.

AU - Cao, P.

AU - Diao, W.

AU - Gong, W.

AU - Hou, Q.

AU - Kou, H.

AU - Liu, Z. A.

AU - Song, J.

AU - Wang, N.

AU - Zhao, J.

AU - Qian, S. J.

AU - Avila, C.

AU - Trujillo, D. A.Barbosa

AU - Cabrera, A.

AU - Florez, C. A.

AU - De La Taille, C.

PY - 2026/3/1

Y1 - 2026/3/1

N2 - In preparation for the High-Luminosity upgrade of the LHC, the CMS Muon spectrometer is undergoing an upgrade, incorporating four new stations of improved Resistive Plate Chambers (iRPC) that will extend the pseudo-rapidity coverage to the range of 1.8 to 2.4. The iRPC chambers explore an approach of 2D readout using the readout strips with a signal collection from both sides. A dedicated Front-End Board (FEB) has been designed to read the iRPC signals and tag them in time using a high-precision Time-to-Digital Converter (TDC). This paper presents two new aspects of the FEB characterization on the test bench and the chamber. First, a precise measurement of the charge to threshold calibration for the FEB. Second, the measurement of the space resolution of the FEB on the chamber using cosmic muons. It is concluded that the FEB on the chamber can operate with a threshold around 40 fC, an absolute space resolution between 0.5–1.5 cm, and an absolute time resolution of 500 ps.

AB - In preparation for the High-Luminosity upgrade of the LHC, the CMS Muon spectrometer is undergoing an upgrade, incorporating four new stations of improved Resistive Plate Chambers (iRPC) that will extend the pseudo-rapidity coverage to the range of 1.8 to 2.4. The iRPC chambers explore an approach of 2D readout using the readout strips with a signal collection from both sides. A dedicated Front-End Board (FEB) has been designed to read the iRPC signals and tag them in time using a high-precision Time-to-Digital Converter (TDC). This paper presents two new aspects of the FEB characterization on the test bench and the chamber. First, a precise measurement of the charge to threshold calibration for the FEB. Second, the measurement of the space resolution of the FEB on the chamber using cosmic muons. It is concluded that the FEB on the chamber can operate with a threshold around 40 fC, an absolute space resolution between 0.5–1.5 cm, and an absolute time resolution of 500 ps.

KW - CMS

KW - LHC

KW - Particle physics

KW - RPC

KW - Read out electronics

UR - https://www.scopus.com/pages/publications/105022294746

U2 - 10.1016/j.nima.2025.171125

DO - 10.1016/j.nima.2025.171125

M3 - Article

AN - SCOPUS:105022294746

SN - 0168-9002

VL - 1083

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

M1 - 171125

ER -

Space resolution measurement and threshold calibration of the iRPC detector

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