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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.-
2024-07-15 - 12 p.
- Published in : Phys. Rev. D 110 (2024) 023036
Fulltext: Publication - PDF; 2401.13038 - PDF;
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LISA Definition Study Report
/ Colpi, Monica (INFN, Milan Bicocca) ; Danzmann, Karsten (Hannover, Max Planck Inst. Grav.) ; Hewitson, Martin (Hannover, Max Planck Inst. Grav.) ; Jetzer, Philippe (U. Zurich (main)) ; Nelemans, Gijs (Nijmegen U., IMAPP) ; Petiteau, Antoine (IRFU, Saclay) ; Shoemaker, David (MIT, MKI) ; Sopuerta, Carlos (ICE, Bellaterra) ; Stebbins, Robin (Colorado U.) ; Tanvir, Nial (Leicester U.) et al.
The Laser Interferometer Space Antenna (LISA) is the first scientific endeavour to detect and study gravitational waves from space. [...]
arXiv:2402.07571.
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155.
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QCD challenges from pp to AA collisions: 4th edition
/ Altmann, Javira (Monash U.) ; Andres, Carlota (Ecole Polytechnique, CPHT) ; Andronic, Anton (Munster U., ITP) ; Antinori, Federico (INFN, Padua) ; Antonioli, Pietro (INFN, Bologna ; Bologna U.) ; Beraudo, Andrea (INFN, Turin) ; Berti, Eugenio (INFN, Florence) ; Bianchi, Livio (INFN, Turin ; Turin U.) ; Boettcher, Thomas (Cincinnati U.) ; Capriotti, Lorenzo (Ferrara U.) et al.
This paper is a write-up of the ideas that were presented, developed and discussed at the fourth International Workshop on QCD Challenges from pp to AA, which took place in February 2023 in Padua, Italy. The goal of the workshop was to focus on some of the open questions in the field of high-energy heavy-ion physics and to stimulate the formulation of concrete suggestions for making progresses on both the experimental and theoretical sides. [...]
arXiv:2401.09930.-
2024-04-23 - 45 p.
- Published in : Eur. Phys. J. C 84 (2024) 421
Fulltext: document - PDF; 2401.09930 - PDF;
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LHCf Run II physics results in proton-proton collisions at $\sqrt{s}$ = 13 TeV
/ Tiberio, A (INFN, Florence) ; Adriani, O (INFN, Florence ; Florence U.) ; Berti, E (INFN, Florence ; Florence U.) ; Betti, P (INFN, Florence ; Florence U.) ; Bonechi, L (INFN, Florence) ; Bongi, M (INFN, Florence ; Florence U.) ; D'Alessandro, R (INFN, Florence ; Florence U.) ; Detti, S (INFN, Florence) ; Haguenauer, M (Ecole Polytechnique) ; Itow, Y (Nagoya U., ISEE ; KMI, Nagoya) et al.
The LHC-forward experiment (LHCf), located at the Large Hadron Collider (LHC), is designed to
measure the production cross section of neutral particles in the very-forward region, covering the
pseudorapidity region above 8.4 (up to zero-degree particles). By measuring the very-forward
particle production rates at the highest energy possible at an accelerator, LHCf will provide
fundamental informations to improve phenomenological hadronic interaction models used in the
simulation of air-showers induced by ultra-high-energy cosmic rays in the atmosphere. [...]
2022 - 6 p.
- Published in : PoS ICHEP2022 (2022) 121
Fulltext: PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.121
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Measurement of the forward η meson production rate in p-p collisions at $ \sqrt{\textrm{s}} $ = 13 TeV with the LHCf-Arm2 detector
/ Piparo, G. (INFN, Catania ; Catania U.) ; Adriani, O. (INFN, Florence ; Florence U.) ; Berti, E. (INFN, Florence ; Florence U.) ; Betti, P. (INFN, Florence ; Florence U.) ; Bonechi, L. (INFN, Florence ; Florence U.) ; Bongi, M. (INFN, Florence ; Florence U.) ; D'Alessandro, R. (INFN, Florence ; Florence U.) ; Detti, S. (INFN, Florence ; Florence U.) ; Hagenauer, M. (LLR, Palaiseau) ; Itow, Y. (Nagoya U., ISEE ; KMI, Nagoya) et al.
/LHCf
The forward η mesons production has been observed by the Large Hadron Collider forward (LHCf) experiment in proton-proton collision at √s=13 TeV. This paper presents the measurement of the inclusive production rate of η in pT < 1.1 GeV/c, expressed as a function of the Feynman-x variable. [...]
arXiv:2305.06633; CERN-EP-2023-076.-
Geneva : CERN, 2023-10-27 - 19 p.
- Published in : JHEP 2310 (2023) 169
Draft (restricted): PDF; Fulltext: CERN-EP-2023-076 - PDF; 2305.06633 - PDF; document - PDF;
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Report of the Topical Group on Cosmic Probes of Fundamental Physics for for Snowmass 2021
/ Adhikari, Rana X. (Caltech) ; Anchordoqui, Luis A. (Lehman Coll. ; City Coll., N.Y. ; Amer. Museum Natural Hist.) ; Fang, Ke (Wisconsin U., Madison) ; Sathyaprakash, B.S. (Penn State U., University Park, IGC ; Penn State U., Astron. Astrophys. ; Cardiff U.) ; Tollefson, Kirsten (Michigan State U.) ; Lewis, Tiffany R. (NASA, Goddard) ; Engel, Kristi (Maryland U. ; Los Alamos) ; Aboubrahim, Amin (U. Munster) ; Akarsu, Ozgur (Istanbul, Tech. U.) ; Akrami, Yashar (Case Western Reserve U.) et al.
Cosmic Probes of Fundamental Physics take two primary forms: Very high energy particles (cosmic rays, neutrinos, and gamma rays) and gravitational waves. [...]
arXiv:2209.11726.
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118.
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Results from the LHCf Run II in proton-proton collisions at $\sqrt{s}$ = 13 TeV
/ Tiberio, Alessio (INFN, Florence) ; Adriani, Oscar (INFN, Florence ; Florence U.) ; Berti, Eugenio (INFN, Florence ; Florence U.) ; Bonechi, Lorenzo (INFN, Florence) ; Bongi, Massimo (INFN, Florence ; Florence U.) ; D'Alessandro, Raffaello (INFN, Florence ; Florence U.) ; Castellini, Guido (IFAC, Florence) ; Haguenauer, Maurice (Ec. Polytech., Palaiseau (main)) ; Itow, Yoshitaka (Nagoya U., ISEE ; Nagoya U. (main)) ; Kasahara, Katsuaki (Shibaura Inst. Tech.) et al.
The LHCf experiment, at the Large Hadron Collider (LHC), consists of two small independent calorimeters placed 140 metres away, on opposite sides of the ATLAS interaction point (IP1). LHCf has the capability to measure zero-degree neutral particles, covering the pseudorapidity region above 8.4. [...]
2022 - 6 p.
- Published in : PoS EPS-HEP2021 (2022) 105
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.105
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Status and Prospects of the LHCf and RHICf experiments
/ LHCf Collaboration
Precise understanding of hadronic interactions at high energies is a key to improve mass composition measurements of very high energy cosmic-rays and to solve the muon excess issue observed in high energy cosmic-ray experiments using an air-shower technique. The LHCf and RHICf experiments measures the differential production cross sections of very forward neutral particle as photons, neutral pions and neutrons at LHC and RHIC, respectively. [...]
SISSA, 2022 - 9 p.
- Published in : PoS ICRC2021 (2022) 301
Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.301
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