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Hamiltonian theory of the crossing of the $2 Q_x -2 Q_y=0$ nonlinear coupling resonance
/ Bazzani, A. (U. Bologna, DIFA ; INFN, Bologna) ; Capoani, F. (U. Bologna, DIFA ; INFN, Bologna ; CERN) ; Giovannozzi, M. (CERN)
In a recent paper, the adiabatic theory of Hamiltonian systems was successfully applied to study the crossing of the linear coupling resonance, $Q_x-Q_y=0$. A detailed explanation of the well-known phenomena that occur during the resonance-crossing process, such as emittance exchange and its dependence on the adiabaticity of the process was obtained. [...]
arXiv:2208.11519.-
2022-10-03 - 21 p.
- Published in : Phys. Rev. Accel. Beams 25 (2022) 104001
Fulltext: 2208.11519 - PDF; Publication - PDF;
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Adiabaticity of emittance exchange due to crossing of the coupling resonance
/ Bazzani, A. (Bologna U., Dept. Astron.) ; Capoani, F. (Bologna U., Dept. Astron. ; CERN) ; Giovannozzi, M. (CERN) ; Neishtadt, A.I. (Loughborough U. ; IMCS, Moscow)
In circular accelerators, crossing the linear coupling resonance induces the exchange of the transverse emittances, provided the process is adiabatic. This has been considered in some previous works, where the description of the phenomenon has been laid down, and, more recently, where a possible explanation of the numerical results has been proposed. [...]
arXiv:2105.04219.-
2021-09-01 - 21 p.
- Published in : Phys. Rev. Accel. Beams 24 (2021) 094002
Fulltext: PDF; Fulltext from publisher: PDF;
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Measuring the quartic Higgs self-coupling at a multi-TeV muon collider
/ Chiesa, Mauro (Annecy, LAPTH) ; Maltoni, Fabio (Louvain U., CP3 ; U. Bologna, DIFA ; INFN, Bologna) ; Mantani, Luca (Louvain U., CP3 ; U. Heidelberg, ITP) ; Mele, Barbara (INFN, Rome) ; Piccinini, Fulvio (INFN, Pavia) ; Zhao, Xiaoran (Louvain U., CP3)
Measuring the shape of the Higgs boson potential is of paramount importance and will be a challenging task at current as well as future colliders. While the expectations for the measurement of the trilinear Higgs self-coupling are rather promising, an accurate measurement of the quartic self-coupling interaction is presently considered extremely challenging even at a future 100 TeV proton-proton collider. [...]
arXiv:2003.13628; CP3-20-15; LAPTH-013/20; MCnet-20-12.-
2020 - 29 p.
- Published in : JHEP 2009 (2020) 098
Fulltext: 2003.13628 - PDF; Publication - PDF;
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A new Low Gain Avalanche Diode concept: the double-LGAD
/ Carnesecchi, F. (CERN) ; Strazzi, S. (INFN, Bologna ; U. Bologna, DIFA) ; Alici, A. (INFN, Bologna ; U. Bologna, DIFA) ; Arcidiacono, R. (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Cartiglia, N. (INFN, Turin) ; Cavazza, D. (INFN, Bologna) ; Durando, S. (INFN, Turin ; Turin Polytechnic) ; Ferrero, M. (INFN, Turin) ; Margotti, A. (INFN, Bologna) ; Menzio, L. (INFN, Turin ; Turin U.) et al.
This paper describes the new concept of the double-LGAD. The goal is to increase the charge at the input of the electronics, keeping a time resolution equal or better than a standard (single) LGAD; this has been realized by adding the charges of two coupled LGADs while still using a single front-end electronics. [...]
arXiv:2307.14320.-
2023-11-07 - 10 p.
- Published in : Eur. Phys. J. Plus 138 (2023) 990
Fulltext: 2307.14320 - PDF; document - PDF;
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Back to the origins of brane-antibrane inflation
/ Cicoli, Michele (Bologna U. ; INFN, Bologna) ; Hughes, Christopher (Cambridge U., DAMTP) ; Kamal, Ahmed Rakin (Masaryk U., Brno ; Brac U.) ; Francesco Marino (Bologna U.) ; Quevedo, Fernando (Cambridge U., DAMTP ; CERN ; New York U., Abu Dhabi) ; Ramos-Hamud, Mario (Cambridge U., DAMTP) ; Villa, Gonzalo (Cambridge U., DAMTP)
We study a new framework for brane-antibrane inflation where moduli stabilisation relies purely on perturbative corrections to the effective action. [...]
CERN-TH-2024-128 ; arXiv:2410.00097.
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