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CERN Document Server Намерени са 2,017 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.45 секунди. 
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Lepto-axiogenesis and the scale of supersymmetry / Barnes, Patrick (Michigan U., LCTP) ; Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Harigaya, Keisuke (CERN) ; Pierce, Aaron (Michigan U., LCTP)
If the Peccei-Quinn field containing the QCD axion undergoes rotations in the early universe, the dimension-five operator responsible for neutrino masses can generate a lepton asymmetry that ultimately gives rise to the observed baryon asymmetry of the Universe. This lepto-axiogenesis scenario requires a flat potential for the radial direction of the Peccei-Quinn field, naturally realized in supersymmetric models. [...]
arXiv:2208.07878; LCTP-22-12; UMN-TH-4130/22; FTPI-MINN-22-21; CERN-TH-2022-136.- 2023-05-15 - 59 p. - Published in : JHEP 2305 (2023) 114 Fulltext: document - PDF; 2208.07878 - PDF;
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Axion-electron decoupling in nucleophobic axion models / Björkeroth, Fredrik (LNF, Dafne Light) ; Di Luzio, Luca (INFN, Pisa ; Pisa U.) ; Mescia, Federico (ICC, Barcelona U.) ; Nardi, Enrico (LNF, Dafne Light) ; Panci, Paolo (INFN, Pisa ; Pisa U. ; CERN ; Gran Sasso) ; Ziegler, Robert (CERN)
The strongest upper bounds on the axion mass come from astrophysical observations like the neutrino burst duration of SN1987A, which depends on the axion couplings to nucleons, or the white-dwarf cooling rates and red-giant evolution, which involve the axion-electron coupling. It has been recently argued that in variants of DFSZ models with generation-dependent Peccei-Quinn charges an approximate axion-nucleon decoupling can occur, strongly relaxing the SN1987A bound. [...]
arXiv:1907.06575; CERN-TH-2019-118; DESY-19-194.- 2020-02-20 - 5 p. - Published in : Phys. Rev. D 101 (2020) 035027 Article from SCOAP3: PDF; Fulltext: PDF;
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(60)
The Peccei-Quinn mechanism without an axion. - rev. version / Nelson, A E
NSF-ITP-90-104-rev ; UCSD-PTH-90-13-rev. - 1990. - 11 p.
CERN library copies
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(47)
Lower bound for branching ratio of K$^{+}$ --> pi$^{+}$ axion and non-existence of Peccei-Quinn axion / Antoniadis, Ignatios ; Truong, T N
1981. - 14 p.
CERN library copies
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Axions in Baryon Chiral Perturbation Theory / Vonk, Thomas (Bonn U., HISKP ; U. Bonn, Phys. Inst., BCTP)
I give an overview of recent developments in the study of the coupling of the QCD axion to nucleons and other octet baryons. [...]
arXiv:2201.08132. - 10 p.
Fulltext
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Generation dependent peccei-quinn symmetry and neutrino masses / Joshipura, A S
PP-IMSC-TP-87-016. - 1987. - 12 p.
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(43)
Light neutrino masses in the Fritzsch model with horizontal Peccei-Quinn symmetry / Geng, C Q ; Ng, J N
TRI-PP-88-84.- Burnaby, BC : TRIUMF, 1989 - 14 p. - Published in : Phys. Rev. D 39 (1989) 1925-1929 Fulltext: PDF; - CERN library copies
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Radiative breaking of Peccei-Quinn symmetry at the intermediate mass scale / Murayama, H ; Suzuki, H ; Yanagida, T
TU-407. - 1992. - 15 p.
Fulltext - CERN library copies
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(41)
Wormholes and Peccei-Quinn symmetries / Choi, K ; Holman, R
CMU-HEP-89-21. - 1989. - 13 p.
CERN library copies
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Axion-like ALPs / Arias-Aragón, Fernando (LPSC, Grenoble) ; Quevillon, Jérémie (LPSC, Grenoble ; CERN) ; Smith, Christopher (LPSC, Grenoble)
The Effective Field Theory (EFT) Lagrangian for a generic axion-like particle (ALP) has many free parameters, and leaves quite some freedom for the expected phenomenology. In this work, we set up more constrained EFTs by enforcing true axion-like properties for the ALP. [...]
arXiv:2211.04489; CERN-TH-2022-182.- 2023-03-17 - 23 p. - Published in : JHEP 2303 (2023) 134 Fulltext: document - PDF; 2211.04489 - PDF;
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