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A Guide to Hunting Long-Lived Particles at the LHC
/ Knapen, Simon (LBNL, Berkeley ; UC, Berkeley) ; Lowette, Steven (Brussels U., IIHE)
This article is a pedagogical review to searches for long-lived particles at the LHC, primarily aimed at experimentalists and theorists seeking to initiate and/or deepen their research in this field. We cover general theory priors and example models, the main experimental techniques for long-lived particles and some of the subtleties involved with both estimating signal efficiencies and background rates..
arXiv:2212.03883.-
2023 - 29 p.
- Published in : Ann. Rev. Nucl. Part. Sci. 73 (2023) 421-449
Fulltext: publication - PDF; 2212.03883 - PDF;
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Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
/ Bose, Tulika (Wisconsin U., Madison) ; Boveia, Antonio (Ohio State U., CCAPP) ; Doglioni, Caterina (Manchester U.) ; Griso, Simone Pagan (LBNL, Berkeley ; Sao Paulo, IFT) ; Hirschauer, James (Fermilab) ; Lipeles, Elliot (Pennsylvania U.) ; Liu, Zhen (Minnesota U.) ; Shah, Nausheen R. (Wayne State U.) ; Wang, Lian-Tao (Chicago U., EFI ; Chicago U., KICP) ; Agashe, Kaustubh (Maryland U.) et al.
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. [...]
arXiv:2209.13128 ; FERMILAB-FN-1204-AD-QIS-SCD.
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108.
Fermilab Library Server - eConf - Fulltext - Fulltext
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Snowmass Theory Frontier: Astrophysics and Cosmology
/ Green, Daniel (UC, San Diego) ; Ruderman, Joshua T. (New York U., CCPP) ; Safdi, Benjamin R. (UC, Berkeley) ; Shelton, Jessie (Illinois U., Urbana) ; Achucarro, Ana (Leiden U.) ; Adshead, Peter (Illinois U., Urbana) ; Akrami, Yashar (Case Western Reserve U. ; Imperial Coll., London) ; Baryakhtar, Masha (Washington U., Seattle) ; Baumann, Daniel (Taiwan, Natl. Taiwan U. ; U. Amsterdam, GRAPPA) ; Berlin, Asher (Fermilab) et al.
We summarize progress made in theoretical astrophysics and cosmology over the past decade and areas of interest for the coming decade. [...]
arXiv:2209.06854 ; FERMILAB-PUB-22-721-T.
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57.
Fermilab Library Server - Fulltext - Fulltext
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Dark matter direct detection from the single phonon to the nuclear recoil regime
/ Campbell-Deem, Brian (UC, San Diego) ; Knapen, Simon (LBL, Berkeley ; UC, Berkeley ; CERN) ; Lin, Tongyan (UC, San Diego) ; Villarama, Ethan (UC, San Diego)
In most direct detection experiments, the free nuclear recoil description of dark matter scattering breaks down for masses $\lesssim$ 100 MeV, or when the recoil energy is comparable to a few times the typical phonon energy. For dark matter lighter than 1 MeV, scattering via excitation of a single phonon dominates and has been computed previously, but for the intermediate mass range or higher detector thresholds, multiphonon processes dominate. [...]
arXiv:2205.02250.-
2022-08-01 - 28 p.
- Published in : Phys. Rev. D 106 (2022) 036019
Fulltext: 2205.02250 - PDF; PhysRevD.106.036019 - PDF;
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Theory, phenomenology, and experimental avenues for dark showers: a Snowmass 2021 report
/ Albouy, Guillaume (LPSC, Grenoble) ; Barron, Jared (Toronto U.) ; Beauchesne, Hugues (NCTS, Taipei) ; Bernreuther, Elias (Fermilab) ; Bona, Marcella (Queen Mary, U. of London) ; Cazzaniga, Cesare (Zurich, ETH) ; Cesarotti, Cari (Harvard U.) ; Cohen, Timothy (Oregon U.) ; de Cosa, Annapaola (Zurich, ETH) ; Curtin, David (Toronto U.) et al.
In this work, we consider the case of a strongly coupled dark/hidden sector, which extends the Standard Model (SM) by adding an additional non-Abelian gauge group. These extensions generally contain matter fields, much like the SM quarks, and gauge fields similar to the SM gluons. [...]
arXiv:2203.09503; FERMILAB-PUB-22-303-PPD-SCD-T.-
2022-12-14 - 106 p.
- Published in : Eur. Phys. J. C 82 (2022) 1132
Fulltext: jt - PDF; 2203.09503 - PDF; Fulltext from Publisher: PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.1132
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Snowmass2021 Cosmic Frontier: Modeling, statistics, simulations, and computing needs for direct dark matter detection
/ Kahn, Yonatan (Illinois U., Urbana) ; Monzani, Maria Elena (SLAC ; KIPAC, Menlo Park ; Vatican Astron. Observ.) ; Palladino, Kimberly J. (Oxford U.) ; Anderson, Tyler (SLAC ; KIPAC, Menlo Park) ; Bard, Deborah (LBL, Berkeley) ; Baxter, Daniel (Fermilab) ; Buuck, Micah (SLAC ; KIPAC, Menlo Park) ; Cartaro, Concetta (SLAC ; KIPAC, Menlo Park) ; Collar, Juan I. (Chicago U., EFI) ; Diamond, Miriam (Toronto U.) et al.
This paper summarizes the modeling, statistics, simulation, and computing needs of direct dark matter detection experiments in the next decade..
arXiv:2203.07700 ; FERMILAB-CONF-22-173-PPD.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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The Road Ahead for CODEX-b
/ Aielli, Giulio (Rome U., Tor Vergata) ; Alimena, Juliette (CERN) ; Beacham, James (Duke U.) ; Ben-Haim, Eli (Paris U., VI-VII) ; Borsato, Martino (Kirchhoff Inst. Phys.) ; Charles, Matthew John (Paris U., VI-VII) ; Vidal, Xabier Cid (Santiago de Compostela U., IGFAE) ; Coco, Victor (CERN) ; De Roeck, Albert (CERN) ; Dey, Biplab (Eotvos Lorand U., Budapest, Inst. Theor. Phys.) et al.
In this Snowmass contribution we present a comprehensive status update on the progress and plans for the proposed CODEX-b detector, intended to search for long-lived particles beyond the Standard Model. [...]
arXiv:2203.07316.
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13 p.
eConf - Fulltext
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Lepton-flavor violating axions at MEG II
/ Jho, Yongsoo (Yonsei U. ; CERN) ; Knapen, Simon (UC, Berkeley ; LBNL, Berkeley) ; Redigolo, Diego (CERN ; INFN, Florence)
We study the sensitivity of the existing MEG data to lepton flavor violating axion-like particles produced through $\mu^+ \to e^+ a \gamma$ and estimate the discovery potential for the upcoming MEG II experiment in this channel. The MEG II signal efficiency can be improved significantly if a new trigger can be implemented in a dedicated run with a reduced beam intensity. [...]
arXiv:2203.11222; CERN-TH-2022-044.-
2022-10-05 - 23 p.
- Published in : JHEP 2210 (2022) 029
Fulltext: 2203.11222 - PDF; document - PDF;
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New Physics Searches at Kaon and Hyperon Factories
/ Goudzovski, Evgueni (Birmingham U.) ; Redigolo, Diego (CERN ; INFN, Florence) ; Tobioka, Kohsaku (Florida State U. ; KEK, Tsukuba) ; Zupan, Jure (Cincinnati U.) ; Alonso-Álvarez, Gonzalo (McGill U.) ; Alves, Daniele S.M. (Los Alamos) ; Bansal, Saurabh (Cincinnati U.) ; Bauer, Martin (Durham U., ICC) ; Brod, Joachim (Cincinnati U.) ; Chobanova, Veronika (Santiago de Compostela U., IGFAE) et al.
Rare meson decays are among the most sensitive probes of both heavy and light new physics. Among them, new physics searches using kaons benefit from their small total decay widths and the availability of very large datasets. [...]
arXiv:2201.07805; FERMILAB-PUB-22-057-T.-
2023-01-06 - 68 p.
- Published in : Rep. Prog. Phys. 86 (2023) 016201
Fulltext: 20769f2ea1acd21399f56329734230a9 - PDF; 2201.07805 - PDF; jt - PDF; External link: Fermilab Accepted Manuscript
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