CERN Accelerating science

CERN Published Articles

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2024-11-22
04:17
Gaia Data Release 3 - Stellar multiplicity, a teaser for the hidden treasure / Gaia Collaboration
Context.TheGaiaDR3 catalogue contains, for the first time, about 800 000 solutions with either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing binaries, and combinations of these three.Aims.With this paper, we aim to illustrate the huge potential of this large non-single-star catalogue.Methods.Using the orbital solutions and models of the binaries, we have built a catalogue of tens of thousands of stellar masses or lower limits thereof, some with consistent flux ratios. Properties concerning the completeness of the binary catalogues are discussed, statistical features of the orbital elements are explained, and a comparison with other catalogues is performed.Results.Illustrative applications are proposed for binaries across the Hertzsprung-Russell Diagram (HRD). [...]
arXiv:2206.05595.- 2023-06 - 57 p. - Published in : Astron. Astrophys. 674 (2023) A34 Fulltext: PDF;

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2024-11-14
08:02
70 years at the high-energy frontier with the CERN accelerator complex / Brüning, Oliver (CERN) ; Klein, Max (Liverpool U.) ; Myers, Stephen (CERN) ; Rossi, Lucio (Milan Bicocca U. ; LASA, Segrate)
Over the first 70 years of its existence, CERN has created an impressive portfolio of accelerators, many of which are still in operation today. The ‘jewel in the crown’ of the complex is certainly the 27-km tunnel and its infrastructure, built approximately 100 m underground between the Jura mountains and Lake Geneva on the French–Swiss border. [...]
2024 - 10 p. - Published in : Nature Rev. Phys. 6 (2024) 628-637

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2024-11-14
08:02
Highly uniform silicon nanopatterning with deep-ultraviolet femtosecond pulses / Granados, Eduardo (CERN) ; Martinez-Calderon, Miguel (CERN) ; Groussin, Baptiste (CERN) ; Colombier, Jean Philippe (Lab. Hubert Curien, St. Etienne) ; Santiago, Ibon
Abstract The prospect of employing nanophotonic methods for controlling photon–electron interactions has ignited substantial interest within the particle accelerator community. Silicon-based integrated dielectric laser acceleration (DLA) has emerged as a viable option by leveraging localized photonic effects to emit, accelerate, and measure electron bunches using exclusively light. [...]
2024 - 11 p. - Published in : Nanophoton. 13 (2024) 4079-4089 Fulltext: PDF;

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2024-11-14
08:02
New RPC gas mixtures for sustainable operation in the CMS experiment / López, Dayron Ramos (INFN, Bari ; Bari Polytechnic) /CMS Muon Collaboration
The current operation of the Resistive Plate Chamber (RPC) system within the CMS experiment involves approximately 95% tetrafluoroethane (C2H2F4, TFE). However, in response to climate change concerns, the European Union has instituted a ban on TFE owing to its elevated Global Warming Potential (GWP), resulting in an associated increase in market prices. [...]
2024 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1069 (2024) 169950
In : 16th Pisa Meeting on Advanced Detectors (Pisameet 2024), La Biodola, Isola D'elba, Italy, 26 May - 1 Jun 2024, pp.169950

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2024-11-14
08:02
Recent results and perspectives of the Monopix Depleted Monolithic Active Pixel Sensors (DMAPS) / Hügging, Fabian (Bonn U.) ; Barbero, Marlon (Marseille, CPPM) ; Barrilon, Pierre (Marseille, CPPM) ; Bespin, Christian (Bonn U.) ; Breugnon, Patrick (Marseille, CPPM) ; Caicedo, Ivan (Bonn U.) ; Degerli, Yavuz (IRFU, Saclay) ; Dingfelder, Jochen (Bonn U.) ; Hemperek, Tomasz (Bonn U.) ; Hirono, Toko (Bonn U.) et al.
The integration of readout electronics and sensors into a single entity of silicon in monolithic pixel detectors lowers the material budget while simplifying the production procedure compared to the conventional hybrid pixel detector concept. The increasing availability of high-resistivity substrates and high-voltage capabilities in commercial CMOS processes facilitates the application of depleted monolithic active pixel sensors (DMAPS) in modern particle physics experiments. [...]
2024 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1070 (2025) 170007 Fulltext: PDF;
In : 16th Pisa Meeting on Advanced Detectors (Pisameet 2024), La Biodola, Isola D'elba, Italy, 26 May - 1 Jun 2024, pp.170007

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2024-11-14
08:02
Enhancing timing performance of heterostructures with double-sided readout / Pagano, Fiammetta (CERN ; Milan Bicocca U. ; Valencia, Polytechnic U.) ; Kratochwil, Nicolaus (CERN ; UC, Davis) ; Lowis, Carsten (CERN ; RWTH Aachen U.) ; Choong, Woon-Seng (LBNL, Berkeley) ; Paganoni, Marco (CERN ; Milan Bicocca U.) ; Pizzichemi, Marco (CERN ; Milan Bicocca U.) ; Cates, Joshua W (LBNL, Berkeley) ; Auffray, Etiennette (CERN)
Objective. Heterostructured scintillators offer a promising solution to balance the sensitivity and timing in TOF-PET detectors. [...]
2024 - 13 p. - Published in : Phys. Med. Biol. 69 (2024) 205012 Fulltext: PDF;

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2024-11-14
08:02
Dark-Sector Search via Pion-Produced η and η′ Mesons Decaying Invisibly in the NA64h Detector / NA64 Collaboration
We present the first results from a proof-of-concept search for dark sectors via invisible decays of pseudoscalar η and η′ mesons in the NA64h experiment at the CERN SPS. Our novel technique uses the charge-exchange reaction of 50 GeV π- on nuclei of an active target as the source of neutral mesons. [...]
2024 - 6 p. - Published in : Phys. Rev. Lett. 133 (2024) 121803 Fulltext: PDF;

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2024-11-14
08:02
Smooth trends in fermium charge radii and the impact of shell effects / Warbinek, Jessica (Darmstadt, GSI ; Mainz U. ; CERN ; Helmholtz Inst., Mainz) ; Rickert, Elisabeth (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) ; Raeder, Sebastian (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Albrecht-Schönzart, Thomas (Colorado School of Mines) ; Andelic, Brankica (Darmstadt, GSI ; Helmholtz Inst., Mainz ; Groningen U.) ; Auler, Julian (Mainz U.) ; Bally, Benjamin (IRFU, Saclay) ; Bender, Michael (IP2I, Lyon) ; Berndt, Sebastian (Mainz U.) ; Block, Michael (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) et al.
The quantum-mechanical nuclear-shell structure determines the stability and limits of the existence of the heaviest nuclides with large proton numbers Z ≳ 100 (refs. $^{1–3}$). [...]
2024 - 5 p. - Published in : Nature 634 (2024) 1075-1079 Fulltext: PDF;

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2024-11-14
08:02
ALLEGRO FCC-ee detector concept & Noble liquid calorimetry / Pekkanen, Juska (CERN)
ALLEGRO is a proposed FCC-ee general-purpose detector concept with a noble liquid (NL) electromagnetic calorimeter (ECAL) as a central feature. Calorimetry based on liquified noble gases is a well-proven technology that has been successfully applied in numerous high-energy physics (HEP) experiments. [...]
2024 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1069 (2024) 169921
In : 16th Pisa Meeting on Advanced Detectors (Pisameet 2024), La Biodola, Isola D'elba, Italy, 26 May - 1 Jun 2024, pp.169921

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2024-11-14
08:02
A Radiation-Tolerant 25.6-Gb/s High-Speed Transmitter in 28-nm CMOS With a Tolerance of 1 Grad / Klekotko, A (CERN ; Leuven U.) ; Biereigel, S (CERN) ; Baszczyk, M (CERN) ; Moreira, P (CERN) ; Martina, F (CERN) ; Prinzie, J (Leuven U.) ; Kulis, S (Leuven U.)
This article presents a 25.6-Gbit $\cdot $ s−1 high-speed transmitter (HST) manufactured using 28-nm CMOS technology. The HST macroblock includes an all-digital phase-locked loop (ADPLL), duty cycle corrector (DCC) circuit, data pattern generator, serializer, and a driver capable of driving the differential 100- $\Omega $ line as well as a silicon photonics (SiPh) ring modulator (RM). [...]
2024 - 9 p. - Published in : IEEE Trans. Nucl. Sci. 71 (2024) 2124-2132 Fulltext: PDF;

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