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Prospects for heavy neutral lepton searches at short and medium baseline reactor experiments
/ van Remortel, N. (U. Antwerp (main)) ; Colomer Molla, M. (Brussels U.) ; Clerbeaux, B. (Brussels U.) ; De Roeck, A. (U. Antwerp (main) ; CERN) ; Drewes, M. (Louvain U., CP3) ; Keloth, R. (Vrije U., Brussels) ; Sfar, H. (U. Antwerp (main)) ; Vercaemer, S. (U. Antwerp (main)) ; Verstraeten, M. (U. Antwerp (main))
Heavy neutrinos with masses in the MeV range can in principle simultaneously explain the light neutrino masses and the origin of baryonic matter in the universe. The strongest constraints on their properties come from their potential impact on the formation of light elements in the early universe. [...]
arXiv:2403.04662.-
2024-07-12 - 19 p.
- Published in : JHEP 2407 (2024) 128
Fulltext: 2403.04662 - PDF; Publication - PDF;
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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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Feebly Interacting Particles: FIPs 2022 workshop report
/ Antel, C. (Geneva U.) ; Battaglieri, M. (INFN, Genoa) ; Beacham, J. (Duke U.) ; Boehm, C. (Sydney U.) ; Buchmüller, O. (Imperial Coll., London) ; Calore, F. (Annecy, LAPTH) ; Carenza, P. (Stockholm U., OKC) ; Chauhan, B. (U. Iowa, Iowa City) ; Cladè, P. (Paris, Lab. Kastler Brossel) ; Coloma, P. (Madrid, IFT ; Madrid, Autonoma U.) et al.
Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many other aspects of fundamental physics. Perhaps the most striking frontier to emerge in the search for answers involves new physics at mass scales comparable to familiar matter, below the GeV-scale, or even radically below, down to sub-eV scales, and with very feeble interaction strength. [...]
arXiv:2305.01715; CERN-TH-2023-061; DESY-23-050; FERMILAB-PUB-23-149-PPD; INFN-23-14-LNF; JLAB-PHY-23-3789; LA-UR-23-21432; MITP-23-015.-
2023-12-11 - 266 p.
- Published in : Eur. Phys. J. C 83 (2023) 1122
Fulltext: PDF; Fulltext from Publisher: document - PDF; Publication - PDF;
In : Workshop on Feebly-Interacting Particles (FIPs 2022), CERN, Geneva, Switzerland, 17 - 21 Oct 2022, pp.1122
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4.
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EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
/ Alves Batista, R. (Madrid, IFT) ; Amin, M.A. (Rice U.) ; Barenboim, G. (Valencia U.) ; Bartolo, N. (U. Padua, Dept. Phys. Astron.) ; Baumann, D. (Amsterdam U. ; U. Amsterdam, GRAPPA ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Bauswein, A. (Darmstadt, GSI) ; Bellini, E. (Geneva U., Dept. Theor. Phys.) ; Benisty, D. (Cambridge U., DAMTP ; Cambridge U., KICC ; Cambridge U., Inst. of Astron.) ; Bertone, G. (Amsterdam U. ; U. Amsterdam, GRAPPA) ; Blasi, P. (GSSI, Aquila ; Gran Sasso) et al.
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the direct detection of gravitational waves with LIGO and Virgo, and many others. [...]
arXiv:2110.10074.
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134.
Fulltext
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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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The Present and Future Status of Heavy Neutral Leptons
/ Abdullahi, Asli M. (Fermilab ; Durham U., IPPP) ; Alzas, Pablo Barham (CERN ; Madrid, CIEMAT) ; Batell, Brian (Pittsburgh U.) ; Beacham, James (Ohio State U.) ; Boyarsky, Alexey (Leiden U.) ; Carbajal, Saneli (Lima, Pont. U. Catolica) ; Chatterjee, Animesh (Pittsburgh U.) ; Crespo-Anadon, Jose I. (Madrid, CIEMAT) ; Deppisch, Frank F. (University Coll. London) ; De Roeck, Albert (CERN) et al.
The existence of non-zero neutrino masses points to the likely existence of multiple SM neutral fermions. When such states are heavy enough that they cannot be produced in oscillations, they are referred to as Heavy Neutral Leptons (HNLs). [...]
arXiv:2203.08039; FERMILAB-CONF-22-184-T-V.-
2023-01-20 - 100 p.
- Published in : 10.1088/1361-6471/ac98f9
Fulltext: jt - PDF; 2203.08039 - PDF; Fulltext from Publisher: PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021
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7.
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Early-Universe Model Building
/ Asadi, Pouya (MIT, Cambridge, CTP) ; Bansal, Saurabh (Cincinnati U.) ; Berlin, Asher (Fermilab ; New York U.) ; Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Croon, Djuna (Durham U., IPPP) ; Cui, Yanou (UC, Riverside) ; Curtin, David (Toronto U.) ; Cyr-Racine, Francis-Yan (New Mexico U.) ; Davoudiasl, Hooman (BNL, NSLS) ; Rose, Luigi Delle (Barcelona, IFAE ; BIST, Barcelona) et al.
Theoretical investigations into the evolution of the early universe are an essential part of particle physics that allow us to identify viable extensions to the Standard Model as well as motivated parameter space that can be probed by various experiments and observations. [...]
arXiv:2203.06680 ; FERMILAB-CONF-22-158-T.
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206 p.
Fermilab Library Server - eConf - Fulltext - Fulltext
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Searches for Long-Lived Particles at the Future FCC-ee
/ Blondel, A. (Paris U., VI-VII ; Geneva U.) ; Verhaaren, C.B. (Brigham Young U.) ; Alimena, J. (CERN) ; Bauer, M. (Durham U.) ; Azzi, P. (INFN, Padua) ; Ruiz, R. (Cracow, INP) ; Neubert, M. (Mainz U.) ; Mikulenko, O. (Leiden Observ.) ; Ovchynnikov, M. (Leiden Observ.) ; Drewes, M. (Louvain U.) et al.
The electron-positron stage of the Future Circular Collider, FCC-ee, is a frontier factory for Higgs, top, electroweak, and flavour physics. It is designed to operate in a 100 km circular tunnel built at CERN, and will serve as the first step towards $\geq$ 100 TeV proton-proton collisions. [...]
arXiv:2203.05502.-
2022-09-28 - 48 p.
- Published in : 10.3389/fphy.2022.967881
Fulltext: document - PDF; 2203.05502 - PDF; External link: eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021
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Opportunities for new physics searches with heavy ions at colliders
/ d'Enterria, David (CERN ; Darmstadt, GSI) ; Drewes, Marco (Louvain U., CP3) ; Giammanco, Andrea (Louvain U., CP3) ; Hajer, Jan (Lisbon, CFTP ; Lisbon, IST) ; Bratkovskaya, Elena (Darmstadt, GSI ; Frankfurt U.) ; Bruce, Roderik (CERN) ; Burmasov, Nazar (St. Petersburg, INP ; Moscow, MIPT) ; Dyndal, Mateusz (AGH-UST, Cracow) ; Gould, Oliver (Nottingham U.) ; Grabowska-Bold, Iwona (AGH-UST, Cracow) et al.
Opportunities for searches for phenomena beyond the Standard Model (BSM) using heavy-ions beams at high energies are outlined. Different BSM searches proposed in the last years in collisions of heavy ions, mostly at the Large Hadron Collider, are summarized. [...]
arXiv:2203.05939.-
2023-04-11 - 21 p.
- Published in : J. Phys. G
Fulltext: document - PDF; 2203.05939 - PDF; External link: eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.050501
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Feebly-interacting particles: FIPs 2020 workshop report
/ Agrawal, Prateek (Oxford U., Theor. Phys.) ; Bauer, Martin (Durham U., IPPP) ; Beacham, James (Duke U.) ; Berlin, Asher (New York U., CCPP ; New York U.) ; Boyarsky, Alexey (Leiden U.) ; Cebrian, Susana (Zaragoza U.) ; Cid-Vidal, Xabier (Santiago de Compostela U.) ; d'Enterria, David (CERN) ; De Roeck, Albert (CERN) ; Drewes, Marco (Louvain U., CP3) et al.
With the establishment and maturation of the experimental programs searching for new physics with sizeable couplings at the LHC, there is an increasing interest in the broader particle and astrophysics community for exploring the physics of light and feebly-interacting particles as a paradigm complementary to a New Physics sector at the TeV scale and beyond. FIPs 2020 has been the first workshop fully dedicated to the physics of feebly-interacting particles and was held virtually from 31 August to 4 September 2020. [...]
arXiv:2102.12143.-
2021-11-19 - 246 p.
- Published in : Eur. Phys. J. C 81 (2021) 1015
Fulltext: 2102.12143 - PDF; document - PDF;
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