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Reduction of couplings in the Type-II 2HDM
/ Pech, M.A. May (Mexico U.) ; Mondragón, M. (Mexico U.) ; Patellis, G. (Lisbon, CFTP ; Lisbon, IST) ; Zoupanos, G. (Natl. Tech. U., Athens ; Heidelberg U. ; Munich, Max Planck Inst. ; CERN)
The idea of reduction of couplings consists in the search for relations between seemingly independent couplings of a renormalizable theory that are renormalization group invariant. In this article, we demonstrate the existence of such 1-loop relations among the top Yukawa, the Higgs quartic and the gauge colour couplings of the Type-II Two Higgs Doublet Model at a high-energy boundary. [...]
arXiv:2310.14014.-
2023-12-14 - 7 p.
- Published in : Eur. Phys. J. C 83 (2023) 1129
Fulltext: 2310.14014 - PDF; Publication - PDF;
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Probing Unified Theories with Reduced Couplings at Future Hadron Colliders
/ Heinemeyer, S. (Madrid, IFT ; Madrid, Autonoma U. ; Cantabria U., Santander) ; Kalinowski, J. (Warsaw U.) ; Kotlarski, W. (Dresden, Tech. U.) ; Mondragón, M. (Mexico U.) ; Patellis, G. (Natl. Tech. U., Athens) ; Tracas, N. (Natl. Tech. U., Athens) ; Zoupanos, G. (Natl. Tech. U., Athens ; Munich, Max Planck Inst. ; CERN)
The search for renormalization group invariant relations among parameters to all orders in perturbation theory constitutes the basis of the reduction of couplings concept. Reduction of couplings can be achieved in certain $N=1$ supersymmetric Grand Unified Theories and few of them can become even finite at all loops. [...]
arXiv:2011.07900.-
2021-02-23 - 30 p.
- Published in : Eur. Phys. J. C 81 (2021) 185
Article from SCOAP3: PDF; Fulltext: PDF;
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BICEP/Keck Constraints on Attractor Models of Inflation and Reheating
/ Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Garcia, Marcos A.G. (Mexico U.) ; Nanopoulos, Dimitri V. (Texas A-M ; HARC, Woodlands ; Athens Academy) ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.) ; Verner, Sarunas (Minnesota U., Theor. Phys. Inst.)
Recent BICEP/Keck data on the cosmic microwave background, in combination with previous WMAP and Planck data, impose strong new constraints on the tilt in the scalar perturbation spectrum, $n_s$, as well as the tensor-to-scalar ratio, $r$. These constrain the number of e-folds of inflation, $N_*$, the magnitude of the inflaton coupling to matter, $y$, and the reheating temperature, $T_{\rm reh}$, which we evaluate in attractor models of inflation as formulated in no-scale supergravity. [...]
arXiv:2112.04466; KCL-PH-TH/2021-90; CERN-TH-2021-199; ACT-06-21; MI-HET-769,
UMN-TH-4107/21; FTPI-MINN-21/26.-
2022-02-03 - 9 p.
- Published in : Phys. Rev. D 105 (2022) 043504
Fulltext: 2112.04466 - PDF; PhysRevD.105.043504 - PDF;
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Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab
/ Accardi, A. (Hampton U.) ; Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U.) ; Akondi, C.S. (Florida State U.) ; Akopov, N. (Yerevan Phys. Inst.) ; Albaladejo, M. (Valencia U., IFIC) ; Albataineh, H. (Texas A-M ; HARC, Woodlands) ; Albrecht, M. (Jefferson Lab) ; Almeida-Zamora, B. (Sonora U.) et al.
This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a community effort, incorporating insights from a series of workshops conducted between March 2022 and April 2023. [...]
arXiv:2306.09360; JLAB-PHY-23-3840; JLAB-THY-23-3848.-
2024-09-04 - 139 p.
- Published in : Eur. Phys. J. A 60 (2024) 173
Fulltext: PDF; External link: JLab Document Server
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Lepton flavor violation in an extended MSSM
/ Espinosa-Castañeda, R. (CERN) ; Flores-Baez, F. (Autonoma de Nuevo Leon U.) ; Gómez-Bock, M. (Americas U., Puebla) ; Mondragón, M. (Mexico U.)
In this work we explore a lepton flavor violation effect induced at one loop for a flavor structure in an extended minimal standard supersymmetric model, considering an ansatz for the trilinear term. In particular we find a finite expression which will show the impact of this phenomena in the $h\to \mu \tau$ decay, produced by a mixing in the trilinear coupling of the soft supersymmetric Lagrangian..
arXiv:1609.01787.-
2016-10-19 - 7 p.
- Published in : J. Phys.: Conf. Ser. 761 (2016) 012062
Fulltext: arXiv:1609.01787 - PDF; pdf - PDF; Fulltext from Publisher: PDF; External link: Preprint
In : XV Mexican Workshop on Particles and Fields, Mazatlán, Sinaloa, Mexico, 2 - 6 Nov 2015, pp.012062
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$\pi^-p\to\eta^{(\prime)}\, \pi^- p$ in the double-Regge region
/ Bibrzycki, L. (Pedagogical U., Cracow ; Indiana U. ; Jefferson Lab) ; Fernandez-Ramirez, C. (Mexico U., ICN) ; Mathieu, V. (ICC, Barcelona U. ; Madrid U.) ; Mikhasenko, M. (CERN) ; Albaladejo, M. (Jefferson Lab) ; Blin, A.N. Hiller (Jefferson Lab) ; Pilloni, A. (INFN, Rome) ; Szczepaniak, A.P. (Indiana U. ; Jefferson Lab ; Indiana U., CEEM)
/JPAC Collaboration
The production of $\eta^{(\prime)}\pi$ pairs constitutes one of the golden channels to search for hybrid exotics, with explicit gluonic degrees of freedom. Understanding the dynamics and backgrounds associated to $\eta^{(\prime)}\pi$ production above the resonance region is required to impose additional constraints to the resonance extraction. [...]
arXiv:2104.10646; JLAB-THY-21-3354.-
2021-07-23 - 25 p.
- Published in : Eur. Phys. J. C
- Published in : Eur. Phys. J. C
Erratum: Bibrzycki2021_Article_ErratumToPi-pRightarrowEtaPrim - PDF; Erratum - PDF; Fulltext: 2104.10646 - PDF; document - PDF; Publication: PDF; External link: JLab Document Server
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The PDF4LHC21 combination of global PDF fits for the LHC Run III
/ PDF4LHC Working Group Collaboration
A precise knowledge of the quark and gluon structure of the proton, encoded by the parton distribution functions (PDFs), is of paramount importance for the interpretation of high-energy processes at present and future lepton-hadron and hadron-hadron colliders. Motivated by recent progress in the PDF determinations carried out by the CT, MSHT, and NNPDF groups, we present an updated combination of global PDF fits: PDF4LHC21. [...]
arXiv:2203.05506; Edinburgh 2021/31; FERMILAB-PUB-22-121-QIS-SCD-T; MSUHEP-22-010,
Nikhef 2021-033; SMU-HEP-22-01.-
2022-07-05 - 94 p.
- Published in : J. Phys. G 49 (2022) 080501
Fulltext: jt - PDF; 2203.05506 - PDF; Publication - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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