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An Update to the Letter of Intent for MATHUSLA: Search for Long-Lived Particles at the HL-LHC
/ Alpigiani, Cristiano (Washington U., Seattle) ; Arteaga-Velázquez, Juan Carlos (IFM-UMSNH, Michoacan) ; Ball, Austin (CERN) ; Barak, Liron (Tel Aviv U.) ; Barron, Jared (Toronto U.) ; Batell, Brian (Pittsburgh U.) ; Beacham, James (Ohio State U.) ; Benhammo, Yan (Tel Aviv U.) ; Caballero-Mora, Karen Salomé (Chiapas Autonoma U.) ; Camarri, Paolo (Rome U., Tor Vergata) et al.
We report on recent progress in the design of the proposed MATHUSLA Long Lived Particle (LLP) detector for the HL-LHC, updating the information in the original Letter of Intent (LoI), see CDS:LHCC-I-031, arXiv:1811.00927. [...]
arXiv:2009.01693 ; CERN-LHCC-2020-014 ; LHCC-I-031-ADD-1 ; LHCC-I-031-ADD-1.
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2020. - 22 p.
FERMILABFN - Fulltext - Fulltext - Fulltext
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Searching for exotic B meson decays with the CMS L1 track trigger
/ Evans, Jared A. (Cincinnati U.) ; Gandrakota, Abhijith (Rutgers U., Piscataway) ; Knapen, Simon (Princeton, Inst. Advanced Study ; CERN) ; Routray, Hardik (Rutgers U., Piscataway)
The CMS phase II track trigger may allow for a displaced dimuon vertex trigger with qualitatively lower $p_T$ thresholds than existing dimuon triggers. With this technique, we show that the CMS reach for exotic $B$-meson decays involving a displaced dimuon resonance, such as a light, Higgs-mixed scalar, can be competitive with that of LHCb and Belle II..
arXiv:2008.06918.-
2021-01-23 - 7 p.
- Published in : Phys. Rev. D 103 (2021) 015026
Article from SCOAP3: PDF; Fulltext: PDF;
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Expression of Interest for the CODEX-b Detector
/ Aielli, Giulio (INFN, Rome2 ; Rome U., Tor Vergata) ; Ben-Haim, Eli (Paris U., VI-VII) ; Cardarelli, Roberto (INFN, Rome2) ; Charles, Matthew John (Paris U., VI-VII) ; Cid Vidal, Xabier (Santiago de Compostela U., IGFAE) ; Coco, Victor (CERN) ; Dey, Biplab (CCNU, Wuhan, Inst. Part. Phys.) ; Dumps, Raphael (CERN) ; Evans, Jared A. (Cincinnati U.) ; Gibbons, George (Birmingham U.) et al.
This document presents the physics case and ancillary studies for the proposed CODEX-b long-lived particle (LLP) detector, as well as for a smaller proof-of-concept demonstrator detector, CODEX-$\beta$, to be operated during Run 3 of the LHC. Our development of the CODEX-b physics case synthesizes `top-down' and `bottom-up' theoretical approaches, providing a detailed survey of both minimal and complete models featuring LLPs. [...]
arXiv:1911.00481.-
2020-12-21 - 47 p.
- Published in : Eur. Phys. J. C 80 (2020) 1177
Article from SCOAP3: PDF; Fulltext: PDF;
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Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
/ Alimena, Juliette (Ohio State U.) ; Beacham, James (Duke U.) ; Borsato, Martino (Heidelberg U.) ; Cheng, Yangyang (Cornell U., LNS) ; Cid Vidal, Xabier (Santiago de Compostela U.) ; Cottin, Giovanna (Adolfo Ibanez U. ; Chile U., Catolica ; Taiwan, Natl. Taiwan U.) ; De Roeck, Albert (CERN) ; Desai, Nishita (Tata Inst.) ; Curtin, David (Toronto U.) ; Evans, Jared A. (Cincinnati U.) et al.
Particles beyond the Standard Model (SM) can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at experiments such as the Large Hadron Collider (LHC) at CERN, these long-lived particles (LLPs) can decay far from the interaction vertex of the primary proton-proton collision. [...]
arXiv:1903.04497.-
2020-09-08 - 201 p.
- Published in : J. Phys. G 47 (2020) 090501
Fulltext: 1903.04497 - PDF; fermilab-pub-19-110-cd-ppd - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
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A Letter of Intent for MATHUSLA: a dedicated displaced vertex detector above ATLAS or CMS.
/ Alpigiani, Cristiano (Washington U., Seattle) ; Ball, Austin (CERN) ; Barak, Liron (Tel Aviv U.) ; Beacham, James (Ohio State U.) ; Benhammo, Yan (Tel Aviv U.) ; Cao, Tingting (Tel Aviv U.) ; Camarri, Paolo (INFN, Rome2 ; Rome U., Tor Vergata) ; Cardarelli, Roberto (INFN, Rome2) ; Rodríguez-Cahuantzi, Mario (Puebla U., Mexico) ; Chou, John Paul (Rutgers U., Piscataway) et al.
In this Letter of Intent we propose the construction of MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) [1], a dedicated large-volume displaced vertex detector (DV) for the HL-LHC on the surface above ATLAS or CMS. [...]
arXiv:1811.00927 ; CERN-LHCC-2018-025 ; LHCC-I-031 ; LHCC-I-031.
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2018. - 61 p.
FERMILABFN - Full text - Full text - Fulltext - Fulltext
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Long-Lived Particles at the Energy Frontier: The MATHUSLA Physics Case
/ Curtin, David (Toronto U.) ; Drewes, Marco (Louvain U., CP3) ; McCullough, Matthew (CERN) ; Meade, Patrick (YITP, Stony Brook) ; Mohapatra, Rabindra N. (Maryland U.) ; Shelton, Jessie (Illinois U., Urbana) ; Shuve, Brian (Harvey Mudd Coll. ; SLAC) ; Accomando, Elena (Southampton U.) ; Alpigiani, Cristiano (Washington U., Seattle) ; Antusch, Stefan (Basel U.) et al.
We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a comprehensive survey of Standard Model (SM) extensions. LLPs are a common prediction of a wide range of theories that address unsolved fundamental mysteries such as naturalness, dark matter, baryogenesis and neutrino masses, and represent a natural and generic possibility for physics beyond the SM (BSM). [...]
arXiv:1806.07396; FERMILAB-PUB-18-264-T.-
2019-10-02 - 133 p.
- Published in : Rep. Prog. Phys. 82 (2019) 116201
Fulltext: 1806.07396 - PDF; fermilab-pub-18-264-t - PDF; External link: Fermilab Library Server (fulltext available)
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