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THYAS0202 |
Optics Design for a Monochromatization Scheme for the Direct S-Channel Higgs Production at FCC-ee Collider |
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- H.P. Jiang
HIT, Harbin, People’s Republic of China
- A. Faus-Golfe
IFIC, Valencia, Spain
- A. Faus-Golfe, Z.D. Zhang
Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- K. Oide, F. Zimmermann, F. Zimmermann, F. Zimmermann
CERN, Meyrin, Switzerland
- K. Oide
KEK, Ibaraki, Japan
- Z.D. Zhang
IHEP, Beijing, People’s Republic of China
- Z.D. Zhang
UCAS, Beijing, People’s Republic of China
- F. Zimmermann
APS, Silver Spring, USA
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The FCC-ee collider baseline foresees four different energy operation modes: Z, WW, H(ZH) and ttbar. An optional fifth mode, called s-channel Higgs production mode, could allow the measurement of the electron Yukawa coupling, in dedicated runs at 125 GeV centre-of-mass energy, provided that the centre-of-mass energy spread, can be reduced by at least an order of magnitude (5-10 MeV). The use of a special collision technique known as monochromatization scheme (mono-scheme) is one way to accomplish it. The transverse monochromatization scheme consists of introducing a dispersion function different from zero but of opposite sign for the two colliding beams at the Interaction Point (IP); In this paper, we will report about the trade-off between energy spread and luminosity, and the first attempt to design a new optics to implement a transverse monochromatic scheme for the FCC-ee Higgs production.
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Slides THYAS0202 [2.133 MB]
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| FRXAS0101 |
Power Budgets and Performance Considerations for Future Higgs Factories |
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- F. Zimmermann
CERN, Meyrin, Switzerland
- S.A. Belomestnykh, V.D. Shiltsev
Fermilab, Batavia, Illinois, USA
- M.E. Biagini, M. Boscolo
LNF-INFN, Frascati, Italy
- A. Faus-Golfe
Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- J. Gao
IHEP, Beijing, People’s Republic of China
- M. Koratzinos
PSI, Villigen PSI, Switzerland
- B. List
DESY, Hamburg, Germany
- V. Litvinenko
Stony Brook University, Stony Brook, USA
- E.A. Nanni, P. Raimondi, T.O. Raubenheimer, J.T. Seeman
SLAC, Menlo Park, California, USA
- K. Oide
DPNC, Genève, Switzerland
- R.A. Rimmer, T. Satogata
JLab, Newport News, Virginia, USA
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Funding: Work supported by the European Union’s H2020 Framework Programme under grant agreement no. 951754 (FCCIS), and by Fermi Research Alliance, LLC, under contract No. De-AC02-07CH11359 with the US DoE.
A special session at eeFACT’22 reviewed the electrical power budgets and luminosity risks for eight proposed future Higgs and electroweak factories (CCC, CEPC, CERC, CLIC, FCC-ee, HELEN, ILC, and RELIC) and, in comparison, for a lepton-hadron collider (EIC) presently under construction. We report highlights of presentations and discussions.
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Slides FRXAS0101 [1.291 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-eeFACT2022-FRXAS0101
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| About • |
Received ※ 16 January 2023 — Revised ※ 04 February 2023 — Accepted ※ 08 February 2023 — Issue date ※ 10 February 2023 |
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