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CEPC Technical Design Report: Accelerator
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large scientific project initiated and hosted by China, fostered through extensive collaboration with international partners. The complex comprises four accelerators: a 30 GeV Linac, a 1.1 GeV Damping Ring, a Booster capable of achieving energies up to 180 GeV, and a Collider operating at varying energy modes (Z, W, H, and ttbar). [...]
arXiv:2312.14363; IHEP-CEPC-DR-2023-01; IHEP-AC-2023-01.-
2024-06-03 - 1106 p.
- Published in : Radiat. Detect. Technol. Methods 8 (2024) 1-1105
Fulltext: 2312.14363 - PDF; Publication - PDF;
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Post-LS3 Experimental Options in ECN3
/ Ahdida, Claudia (CERN) ; Arduini, Gianluigi (CERN) ; Balazs, Kincso (CERN) ; Bartosik, Hannes (CERN) ; Bernhard, Johannes (CERN) ; Boyarsky, Alexey (Leiden University (NL)) ; Brod, Joachim (University of Cincinnati) ; Brugger, Markus (CERN) ; Calviani, Marco (CERN) ; Ceccucci, Augusto (CERN) et al.
The Experimental Cavern North 3 (ECN3) is an underground experimental cavern on the CERN Prévessin site. ECN3 currently hosts the NA62 experiment, with a physics programme devoted to rare kaon decays and searches of hidden particles approved until Long Shutdown 3 (LS3). [...]
CERN-PBC-REPORT-2023-003.-
Geneva : CERN, 2023 - 80.
Fulltext: PDF;
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3.
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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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Mounting Evidence for the Violation of Lepton Flavor Universality
/ Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Hoferichter, Martin (Bern U.)
The Standard Model (SM) of particle physics was finalized in its current form in the mid-1970s, and has been extensively tested and confirmed ever since, with the discovery of the Higgs boson in 2012 being the last missing piece. While no new particles have been directly discovered at the Large Hadron Collider (LHC) at CERN so far, precision observables sensitive to quantum effects of new particles have accumulated intriguing hints for physics beyond the SM. [...]
arXiv:2111.12739; CERN-TH-2021-193; PSI-PR-21-26; ZU-TH 55/21.-
2021 - 3 p.
- Published in : Science 374 (2021) 1051
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Testing Lepton Flavor Universality with Pion, Kaon, Tau, and Beta Decays
/ Bryman, Douglas (British Columbia U. ; TRIUMF) ; Cirigliano, Vincenzo (Los Alamos Natl. Lab., Theor. Div.) ; Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Inguglia, Gianluca (Vienna, OAW)
We present an overview of searches fo violation of lepton flavor universality with focus on low energy precision probes using pions, kaons, tau leptons, and nuclear beta decays. The current experimental results are reviewed, the theoretical status within the context of the Standard Model is summarized, and future prospects (both experimental and theoretical) are discussed. [...]
arXiv:2111.05338; CERN-TH-2021-184; LA-UR-21-30608; ZU-TH 54/21.-
2022-06-15 - 30 p.
- Published in : Ann. Rev. Nucl. Part. Sci. 72 (2022) 69-91
Fulltext: 2111.05338 - PDF; Publication - PDF;
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Unveiling Hidden Physics at the LHC
/ Fischer, Oliver (Liverpool U.) ; Mellado, Bruce (U. Witwatersrand, Johannesburg, Sch. Phys. ; iThemba LABS) ; Antusch, Stefan (Basel U.) ; Bagnaschi, Emanuele (PSI, Villigen) ; Banerjee, Shankha (CERN) ; Beck, Geoff (U. Witwatersrand, Johannesburg, Sch. Phys. ; iThemba LABS) ; Belfatto, Benedetta (Pisa U. ; INFN, Pisa) ; Bellis, Matthew (Siena Coll., Loudonville) ; Berezhiani, Zurab (L'Aquila U. ; INFN, Aquila) ; Blanke, Monika (KIT, Karlsruhe ; KIT, Karlsruhe, TTP) et al.
The field of particle physics is at the crossroads. The discovery of a Higgs-like boson completed the Standard Model (SM), but the lacking observation of convincing resonances Beyond the SM (BSM) offers no guidance for the future of particle physics. [...]
arXiv:2109.06065.-
2022-08-03 - 109 p.
- Published in : Eur. Phys. J. C
Fulltext: 2109.06065 - PDF; document - PDF;
In : Unveiling hidden Physics Beyond the Standard Model at the LHC, Online, 1 - 3 Mar 2021
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Accumulating evidence for the associated production of a new Higgs boson at the LHC
/ Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Fang, Yaquan (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Fischer, Oliver (Liverpool U.) ; Bhattacharya, Srimoy (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Kumar, Mukesh (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Malwa, Elias (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Mellado, Bruce (U. Witwatersrand, Johannesburg, Sch. Phys. ; iThemba LABS) ; Rapheeha, Ntsoko (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Ruan, Xifeng (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Sha, Qiyu (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
In the last decades, the Standard Model (SM) of particle physics has been extensively tested and confirmed, with the announced discovery of the Higgs boson in 2012 being the last missing puzzle piece. Even though since then the search for new particles and interactions has been further intensified, the experiments ATLAS and CMS at the Large Hadron Collider (LHC) at CERN did not find evidence for the direct production of a new state. [...]
arXiv:2109.02650; ICPP-057; PSI-PR-21-21; ZU-TH 38/21; CERN-TH-2021-129; LTH 1267.-
2023-12-01 - 9 p.
- Published in : Phys. Rev. D 108 (2023) 115031
Fulltext: 2109.02650 - PDF; Publication - PDF;
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First-Generation New Physics in Simplified Models: From Low-Energy Parity Violation to the LHC
/ Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Hoferichter, Martin (Bern U. ; U. Bern, AEC) ; Kirk, Matthew (Rome U. ; INFN, Rome) ; Manzari, Claudio Andrea (Zurich U. ; PSI, Villigen) ; Schnell, Luc (Paris, LPTHE ; Zurich, ETH ; Ec. Polytech., Palaiseau (main))
New-physics (NP) constraints on first-generation quark-lepton interactions are particularly interesting given the large number of complementary processes and observables that have been measured. Recently, first hints for such NP effects have been observed as an apparent deficit in first-row CKM unitarity, known as the Cabibbo angle anomaly, and the CMS excess in $q\bar q\to e^+e^-$. [...]
arXiv:2107.13569; CERN-TH-2021-112; PSI-21-16; ZU-TH 32/21.-
2021-10-27 - 40 p.
- Published in : JHEP 2110 (2021) 221
Fulltext: document - PDF; 2107.13569 - PDF;
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