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- Chrzaszcz, MarcinHenryk Niewodniczański Institute of Nuclear Physics (IFJ), Polish Academy of Sciences (PAN), Kraków, Poland (författare)
Hunt for rare processes and long-lived particles at FCC-ee
- Artikel/kapitelEngelska2021
Förlag, utgivningsår, omfång ...
- 2021-10-20
- Springer Nature,2021
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:uu-456793
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-456793URI
- https://doi.org/10.1140/epjp/s13360-021-01961-4DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
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Klassifikation
Anmärkningar
- In this essay, we discuss the possibilities and associated challenges concerning beyond the Standard Model searches at FCC-ee, such as rare decays of heavy-flavoured particles and long-lived particles. The Standard Model contains several suppression mechanisms, which cause a given group of processes to happen rarely, resulting in rare decays. The interest in these decays lies in the fact that the physics beyond the Standard Model does not need to be affected by the same suppression mechanism and therefore can naturally manifest in these decays. Their interest is reinforced by the recent report of several measurements of b-flavoured rare decays, showing deviations with respect to the Standard Model predictions. We will show how the FCC-ee project has unique capabilities to address these scientific questions and will consider the related detector design challenges to meet. Another group of processes discussed are those that produce new particles with relatively long lifetimes that travel substantial distances inside the detectors before decaying. Models containing long-lived particles can give answers to many open questions of the Standard Model, such as the nature of dark matter, or the neutrino masses, among others, while providing an interesting experimental complement to mainstream searches. Long-lived particles often display unique experimental signatures, such as displaced tracks and vertices, “disappearing” tracks, or anomalously charged jets. Due to this, they are affected by very low background levels but in exchange, they often require dedicated reconstruction algorithms and triggers. The discovery of any of the discussed cases would have a critical impact in High Energy Physics, and FCC-ee could provide a unique experimental opportunity to explore them. Moreover, the searches proposed here could motivate an out-of-the-box optimization of the experimental conditions that could bring in innovative solutions, such as new, possibly very large tracking detectors; or cutting-edge reconstruction algorithms that would boost the FCC-ee reach for unusual final states.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- General Physics and Astronomy
- Fysik med inriktning mot elementarpartikelfysik
- Physics with specialization in Elementary Particle Physics
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Gonzalez Suarez, RebecaUppsala universitet,Högenergifysik(Swepub:uu)rebgo209 (författare)
- Monteil, StéphaneUniversité Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France (författare)
- Henryk Niewodniczański Institute of Nuclear Physics (IFJ), Polish Academy of Sciences (PAN), Kraków, PolandHögenergifysik (creator_code:org_t)
Sammanhörande titlar
- Ingår i:The European Physical Journal Plus: Springer Nature136:102190-5444
Internetlänk
- https://doi.org/10.1140/epjp/s13360-021-01961-4Fulltext
- https://uu.diva-portal.org/smash/get/diva2:1605239/FULLTEXT01.pdffulltext:print
- https://link.springer.com/content/pdf/10.1140/epjp/s13360-021-01961-4.pdf
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-456793
- https://doi.org/10.1140/epjp/s13360-021-01961-4
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- The European Physical Journal Plus (Sök värdpublikationen i LIBRIS)
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