CERN Accelerating science

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1.
Analysis of double-resonance crossing in adiabatic trapping phenomena for quasi-integrable area-preserving maps with time-dependent exciters / Bazzani, Armando (Bologna U. ; INFN, Bologna) ; Capoani, Federico (Bologna U. ; INFN, Bologna) ; Giovannozzi, Massimo (CERN)
In this paper, we analyze the adiabatic crossing of a resonance for Hamiltonian systems when a double-resonance condition is satisfied by the linear frequency at an elliptic fixed point. We discuss in detail the phase-space structure on a class of Hamiltonians and area-preserving maps with an elliptic fixed point in the presence of a time-dependent exciter. [...]
arXiv:2402.18358.- 2024-05-23 - 14 p. - Published in : Phys. Rev. E 109 (2024) 054212 Fulltext: 2402.18358 - PDF; Publication - PDF;
2.
Analysis of adiabatic trapping phenomena for quasi-integrable area-preserving maps in the presence of time-dependent exciters / Bazzani, Armando (Bologna U.) ; Capoani, Federico (Bologna U. ; CERN) ; Giovannozzi, Massimo (CERN)
In this paper, new results concerning the phenomenon of adiabatic trapping into resonance for a class of quasi-integrable maps with a time-dependent exciter are presented and discussed in detail. The applicability of the results about trapping efficiency for Hamiltonian systems to the maps considered is proven by using perturbation theory. [...]
arXiv:2208.11513.- 2022-09-12 - 13 p. - Published in : Phys. Rev. E 106 (2022) 034204 Fulltext: PhysRevE.106.034204 - PDF; 2208.11513 - PDF;
3.
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;
4.
Analysis of a double-resonance crossing for beam splitting / Capoani, F (Bologna U. ; CERN) ; Bazzani, A (Bologna U.) ; Giovannozzi, M (CERN)
Beam splitting can be performed by adiabatic crossing of a given one-dimensional non-linear resonance. This process is routinely used at the CERN PS to deliver the proton beam to the SPS fixed-target physics. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) WEPL096 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPL096
5.
Analysis of adiabatic trapping for quasi-integrable area-preserving maps / Bazzani, A (Bologna U.) ; Frye, C (Central Florida U. ; CERN) ; Giovannozzi, M (CERN) ; Hernalsteens, C (CERN ; Ecole Polytechnique, Lausanne, LPAP)
Trapping phenomena involving non-linear resonances have been considered in the past in the framework of adiabatic theory. Several results are known for continuous-time dynamical systems generated by Hamiltonian flows in which the combined effect of non-linear resonances and slow time-variation of some system parameters is considered. [...]
CERN-ACC-2014-0042.- Geneva : CERN, 2014 - 22 p. - Published in : Phys. Rev. E 89 (2014) 042915 Fulltext: PDF;
6.
Asymptotic estimates for the formal integral of an area-preserving two-dimensional resonant mapping / Bogomolny, E B
LANDAU-P-82-12.
- 1982. - 23 p.
CERN library copies
7.
Joint decay distribution in double-resonance production / Pilkuhn, Hartmut ; Svensson, B E Y
CERN-TH-510.- 1965 - Published in : Nuovo Cimento: 38 (1965) , pp. 518-529 Fulltext: PDF;
8.
Measurement of the production and elliptic flow of (anti)nuclei in Xe-Xe collisions at $\sqrt{s_{\rm NN}}$ = 5.44 TeV / ALICE Collaboration
Measurements of (anti)deuteron and (anti)$^3$He production in the rapidity range $ |y| < $ 0.5 as a function of the transverse momentum and event multiplicity in Xe$-$Xe collisions at a center-of-mass energy per nucleon$-$nucleon pair of $\sqrt{s_{\rm NN}}$ = 5.44 TeV are presented. The coalescence parameters $B_2$ and $B_3$ are measured as a function of the transverse momentum per nucleon. [...]
arXiv:2405.19826; CERN-EP-2024-144.- Geneva : CERN, 2024-12-02 - 23 p. - Published in : Phys. Rev. C 110 (2024) 064901 Draft (restricted): PDF; Fulltext: 2405.19826 - PDF; Publication - PDF;
9.
Measurement of $\phi(1020)$ meson production in fixed-target $\textit{p}$Ne collisions at~$\sqrt{s_{NN}}$~=~68.5 GeV. / LHCb Collaboration
The first measurement of $\phi(1020)$ meson production in fixed-target $p$Ne collisions at $\sqrt{s_{NN}}=68.5$ GeV is presented. [...]
arXiv:2411.09343 ; LHCb-PAPER-2024-036 ; CERN-EP-2024-274 ; LHCB-PAPER-2024-036.
- 2024 - 20.
Fulltext - Related data file(s) - Fulltext
10.
Existence of a fixed point of the doubling transformation for area-preserving maps of the plane / Eckmann, Jean-Pierre ; Koch, H ; Wittwer, P
UGVA-DPT-335.
- 1982. - 10 p.
CERN library copies

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