CERN Accelerating science

CERN Document Server 16 record trovati  1 - 10successivo  salta al record: La ricerca ha impiegato 1.33 secondi. 
1.
A systematic Effect in EDM Rings due to radial Offsets of electrostatic Bendings and longitudinal Magnetic Fields / Cilento, Vera (CERN) ; Carli, Christian (CERN)
Optimization and realistic estimates of the sensitivity of the measurement of charged particle Electric Dipole Moment (EDM) in storage rings require a good understanding of systematic errors that can contribute to a vertical spin build-up mimicking the EDM signal to be detected. A specific case of systematic effects due to offsets of electrostatic bendings and longitudinal magnetic fields is studied. [...]
CERN-PBC-REPORT-2024-002.- Geneva : CERN, 2024 - 15. Fulltext: PDF;
2.
Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2024 / Andriyash, I.A. (Palaiseau, Lab. Opt. Appl.) ; Apsimon, O. (Manchester U.) ; Backhouse, M. (JAI, UK) ; Benedetti, C. (LBL, Berkeley) ; Bulanov, S.S. (LBL, Berkeley) ; Caldwell, A. (Munich, Max Planck Inst.) ; Chen, Min (Shanghai Jiao Tong U.) ; Cilento, V. (CERN) ; Corde, S. (Palaiseau, Lab. Opt. Appl.) ; D'Arcy, R. (Oxford U.) et al.
The workshop focused on the application of ANAs to particle physics keeping in mind the ultimate goal of a collider at the energy frontier (10 TeV, e$^+$/e$^-$, e$^-$/e$^-$, or $\gamma\gamma$). [...]
arXiv:2408.03968.
- 72.
Fulltext
3.
Vertical Spin build-up due to Vertical Offset in Quadrupoles and Horizontal Betatron Oscillations / Cilento, Vera (CERN) ; Carli, Christian (CERN)
Many proposals to measure a possible small Electric Dipole Moment (EDM) of charged particles are based on the magic energy concept. Without EDM and for a ring without imperfections, an initial longitudinal polarization of a bunch is maintained in electro-static bendings by operation at a particular energy called the magic energy. [...]
CERN-PBC-REPORT-2024-001.- Geneva : CERN, 2024 Fulltext: PDF;
4.
Periodicity five lattice proposal for a cpedm prototype ring / Cilento, Vera (CERN) ; Carli, Christian (CERN)
The community studying facilities to measure a possible Electric Dipole Moment of a charged particle (cpEDM) in a storage ring agreed that a Prototype Storage-Ring (PSR) is required as intermediate step to address critical questions, gain experience and rule out showstoppers. In what follows, a new lattice proposal of the PSR with a periodicity five is described and spin tracking simulations are shown. [...]
2023 - Published in : JACoW IPAC 2023 (2023) MOPA086 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA086
5.
Study of systematic effects mimicking EDM signal combining measurements from counter-rotating beams / Cilento, V (CERN) ; Carli, C (CERN)
Optimization and realistic estimates of the sensitivity of the measurement of charged particle Electric Dipole Moment (EDM) in storage rings require a good understanding of systematic errors that can contribute to a vertical spin build-up mimicking the EDM signal to be detected. A specific case of systematic effect due to offsets of electrostatic bendings and longitudinal magnetic fields is studied. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) MOPA087 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPA087
6.
Limitations of radial magnetic field estimates from counter-rotating beams in an electro-static EDM ring / Carli, C (CERN) ; Cilento, V (CERN)
Proposals to measure a possible Electric Dipole Moment (EDM) of protons in an electro-static machine are studied by a world-wide community. The machine is operated at the so-called magic energy to satisfy the "frozen spin" condition such that, without imperfections and the well-known magnetic moment of the particle, the spin is always oriented parallel or antiparallel to the direction of movement. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) WEPL027 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPL027
7.
Systematic Errors of a ”frozen Spin” EDM measurement with electric and magnetic Fields due to imperfect Alignment of Fields / Cilento, Vera (CERN) ; Carli, Christian (CERN) ; Haj Tahar, Malek (CERN)
Many of the rings proposed to measure the Electric Dipole Moment (EDM) of charged particles rely on a combination of magnetic and electric fields bending the beam to fulfil the ”frozen spin” condition. Imperfect alignment of the two fields bending the beam is known to rotate the spin from the longitudinal into the vertical direction. [...]
CERN-PBC-Notes-2023-009.- Geneva : CERN, 28 - 15. Fulltext: PDF;
8.
Optics Design of a novel Beam Delivery System for CLIC: the case of two Interaction Regions. First experiments for the validation of the ultra-low βy∗ nanometer beam size at ATF2 / Cilento, Vera
The Compact Linear Collider (CLIC) could provide e+e− collisions in two detectors simultaneously at a bunch train frequency in the linac twice the baseline design value [...]
CERN-THESIS-2021-349 - 160 p.

9.
A CLIC Dual Beam Delivery System for Two Interaction Regions / Cilento, Vera (CERN ; IJCLab, Orsay) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Tomás García, Rogelio (CERN)
The Compact Linear Collider (CLIC) could provide e⁺e⁻ collisions in two detectors simultaneously possibly at a repetition frequency twice the design value. In this paper, a novel dual Beam Delivery System (BDS) design is presented including optics designs and the evaluation of luminosity performance with synchrotron radiation (SR) and solenoid effects for both energy stages of CLIC, 380 GeV and 3 TeV. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 1364-1367 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.1364-1367
10.
Dual beam delivery system serving two interaction regions for the Compact Linear Collider / Cilento, Vera (CERN) ; Tomás, Rogelio (CERN) ; Cure, Benoit (CERN) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Dalena, Barbara (IRFU, Saclay, DACM) ; Levinsen, Yngve (ESS, Lund)
The Compact Linear Collider (CLIC) could provide $e^+e^−$ collisions in two detectors simultaneously possibly at a bunch train frequency in the linac twice the baseline design value. In this paper, a novel dual beam delivery system (BDS) design is presented in order to serve two interaction regions (IR1 and IR2) including optics designs and the evaluation of luminosity performance with synchrotron radiation (SR) and solenoid effects for both energy stages of CLIC, 380 GeV and 3 TeV. [...]
2021 - 10 p. - Published in : Phys. Rev. Accel. Beams 24 (2021) 071001 Fulltext: PDF;

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