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Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment
/ Abe, S. (Kamioka Observ.) ; Alarakia-Charles, H. (Lancaster U.) ; Alekseev, I. (Lebedev Inst.) ; Alt, C. (Zurich, ETH) ; Arai, T. (Tokyo U.) ; Arihara, T. (Tokyo Metropolitan U.) ; Arimoto, S. (Kyoto U.) ; Artikov, A.M. (Dubna, JINR) ; Awataguchi, Y. (Tokyo Metropolitan U.) ; Babu, N. (Louisiana State U., Math. Dept.) et al.
Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics units. [...]
arXiv:2508.07846.
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2025 - 25.
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ECFA Higgs, electroweak, and top factory study
/ Altmann, J.
The ECFA Higgs, electroweak, and top Factory Study ran between 2021 and 2025 as a broad effort across the experimental and theoretical particle physics communities, bringing together participants from many different proposed future collider projects [...]
arXiv:2506.15390 ; CERN-2025-005
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2025-06-18 - 378.
(CERN Yellow Reports: Monographs ; 5/2025)
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3.
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Solar neutrino measurements using the full data period of Super-Kamiokande-IV
/ Super-Kamiokande Collaboration
An analysis of solar neutrino data from the fourth phase of Super-Kamiokande~(SK-IV) from October 2008 to May 2018 is performed and the results are presented. The observation time of the data set of SK-IV corresponds to $2970$~days and the total live time for all four phases is $5805$~days. [...]
arXiv:2312.12907.-
2024-05-01 - 44 p.
- Published in : Phys. Rev. D
Fulltext: Publication - PDF; 2312.12907 - PDF;
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Charge calibration of MALTA2, a radiation hard depleted monolithic active pixel sensor
/ Fasselt, Lucian (DESY, Zeuthen ; Humboldt U., Berlin (main)) ; Asensi Tortajada, Ignacio (CERN) ; Behera, Prafulla (Indian Inst. Tech., Madras) ; Berlea, Dumitru Vlad (DESY, Zeuthen ; Humboldt U., Berlin (main)) ; Bortoletto, Daniela (Oxford U.) ; Buttar, Craig (Glasgow U.) ; Dao, Valerio (Genoa U.) ; Dash, Ganapati (Indian Inst. Tech., Madras) ; de Acedo, Leyre Flores Sanz (CERN) ; Gazi, Martin (Oxford U.) et al.
MALTA2 is a depleted monolithic active pixel sensor (DMAPS) designed for tracking at high rates and typically low detection threshold of $\sim150\,\mathrm{e^-}$. A precise knowledge of the threshold is crucial to understanding the charge collection in the pixel and specifying the environment for sensor application. [...]
arXiv:2501.13562.-
2025-09-11 - 13 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170972
Fulltext: 2501.13562 - PDF; document - PDF;
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Observing black hole mergers beyond the pair-instability mass gap with next-generation gravitational wave detectors
/ Franciolini, Gabriele (CERN) ; Kritos, Konstantinos (Johns Hopkins U.) ; Reali, Luca (Johns Hopkins U.) ; Broekgaarden, Floor (Columbia U., Astron. Astrophys. ; Johns Hopkins U. ; Columbia U. ; Stony Brook U., New York, SCGP) ; Berti, Emanuele (Johns Hopkins U.)
Stellar evolution predicts the existence of a mass gap for black hole remnants produced by pair-instability supernova dynamics, whose lower and upper edges are very uncertain. We study the possibility of constraining the location of the upper end of the pair-instability mass gap, which is believed to appear around ${m_\text{min}} \sim130M_\odot$, using gravitational wave observations of compact binary mergers with next-generation ground-based detectors. [...]
arXiv:2401.13038; CERN-TH-2024-003.-
2024-07-15 - 12 p.
- Published in : Phys. Rev. D 110 (2024) 023036
Fulltext: Publication - PDF; 2401.13038 - PDF;
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Reciprocal of the CPT theorem
/ Álvarez-Gaumé, Luis (Stony Brook U., New York, SCGP ; CERN) ; Chaichian, Moshe M. (Helsinki U. ; Helsinki Inst. of Phys.) ; Oksanen, Markku A. (Helsinki U. ; Helsinki Inst. of Phys.) ; Tureanu, Anca (Helsinki U. ; Helsinki Inst. of Phys.)
The CPT theorem originally proven by Lüders and Pauli ensures the equality of masses, lifetimes, magnetic moments and cross sections of any particle and its antiparticle. We show that in a Lorentz invariant quantum field theory described by its Lagrangian, CPT-violating interaction alone does not split the masses of an elementary particle and its antiparticle but breaks only the equality of lifetimes, magnetic moments and cross sections. [...]
arXiv:2310.16008.-
2024-02-02 - 12 p.
Fulltext: PDF;
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The TORCH time-of-flight detector
/ Harnew, N (Oxford U.) ; Gao, R (Oxford U.) ; Hadavizadeh, T (Oxford U.) ; Hancock, T H (Oxford U.) ; Smallwood, J C (Oxford U.) ; Brook, N H (Bath U.) ; Bhasin, S (Bristol U.) ; Cussans, D (Bristol U.) ; Rademacker, J (Bristol U.) ; Forty, R (CERN) et al.
TORCH is a large-area time-of-flight (ToF) detector, proposed for the Upgrade-II of the LHCb experiment. It will provide charged hadron identification over a 2–20 GeV/c momentum range, given a 9.5m flight distance from the LHC interaction point. [...]
2022 - 3 p.
In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022, pp.167991
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9.
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TORCH pattern recognition and particle identification performance
/ Garcia Martin, L M (Warwick U.) ; Blake, T (Warwick U.) ; Brook, N H (Bath U.) ; Cicala, M F (Warwick U.) ; Cussans, D (Bristol U.) ; van Dijk, M W U (CERN) ; Forty, R (CERN) ; Gershon, T (Warwick U.) ; Gys, T (CERN) ; Hadavizadeh, T (Oxford U.) et al.
The TORCH detector aims to provide K/π (K/p) separation up to a momentum of about 10 (15) by measuring their time-of-flight at the LHCb detector. Prompt Cherenkov photons are produced in a quartz radiator bar of 10 mm thickness, and propagated via total internal reflection to the periphery of the detector, where they are focused onto an array of microchannel plate photomultipliers that measure the photon arrival time and position. [...]
2023 - 4 p.
Fulltext: PDF;
In : 11th International Workshop on Ring Imaging Cherenkov Detectors (RICH 2022), Edinburgh, United Kingdom, 12 - 16 Sep 2022, pp.168437
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Black hole perturbation theory and multiple polylogarithms
/ Aminov, Gleb (SUNY, Stony Brook ; Stony Brook U., New York, SCGP) ; Arnaudo, Paolo (SISSA, Trieste ; INFN, Trieste ; Trieste U., DMI) ; Bonelli, Giulio (SISSA, Trieste ; INFN, Trieste ; Trieste U., DMI) ; Grassi, Alba (CERN ; Geneva U.) ; Tanzini, Alessandro (SISSA, Trieste ; INFN, Trieste ; Trieste U., DMI)
We study black hole linear perturbation theory in a four-dimensional Schwarzschild (anti) de Sitter background. When dealing with a positive cosmological constant, the corresponding spectral problem is solved systematically via the Nekrasov-Shatashvili functions or, equivalently, classical Virasoro conformal blocks. [...]
arXiv:2307.10141; CERN-TH-2023-110.-
2023-11-10 - 58 p.
- Published in : JHEP 2311 (2023) 059
Fulltext: 2307.10141 - PDF; document - PDF;
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