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1.
Leptogenesis in Parity Solutions to the Strong CP Problem and Standard Model Parameters / Carrasco-Martinez, Juanca (UC, Berkeley ; LBL, Berkeley) ; Dunsky, David I. (New York U., CCPP) ; Hall, Lawrence J. (UC, Berkeley ; LBL, Berkeley) ; Harigaya, Keisuke (Chicago U. ; Chicago U., EFI ; Chicago U., KICP ; Tokyo U., IPMU ; CERN)
We study the simplest theories with exact spacetime parity that solve the strong CP problem and successfully generate the cosmological baryon asymmetry via decays of right-handed neutrinos. Lower bounds are derived for the masses of the right-handed neutrinos and for the scale of spontaneous parity breaking, $v_R$. [...]
arXiv:2307.15731.- 2024-06-07 - 41 p. - Published in : JHEP 2406 (2024) 048 Fulltext: document - PDF; 2307.15731 - PDF;
2.
A Heavy QCD Axion and the Mirror World / Dunsky, David I. (New York U., CCPP ; UC, Berkeley ; LBL, Berkeley) ; Hall, Lawrence J. (UC, Berkeley ; LBL, Berkeley) ; Harigaya, Keisuke (Chicago U. ; Chicago U., EFI ; Chicago U., KICP ; Tokyo U., IPMU ; CERN)
We study the mirror world with dark matter arising from the thermal freeze-out of the lightest, stable mirror particle -- the mirror electron. The dark matter abundance is achieved for mirror electrons of mass 225 GeV, fixing the mirror electroweak scale near $10^8$ GeV. [...]
arXiv:2302.04274.- 2024-02-27 - 36 p. - Published in : JHEP 2402 (2024) 212 Fulltext: 2302.04274 - PDF; document - PDF;
3.
Dark Radiation Constraints on Heavy QCD Axions / Dunsky, David I. (UC, Berkeley ; LBL, Berkeley) ; Hall, Lawrence J. (UC, Berkeley ; LBL, Berkeley) ; Harigaya, Keisuke (CERN)
The naturalness problem of PQ symmetry motivates study of the heavy QCD axion, with masses $m_a >$ 1 MeV generated at scales above the QCD scale, and low values of the PQ symmetry breaking scale, $f_a$. We compute the abundance of such axions in a model-independent way, assuming only that they freeze-out after reheating from inflation, and are not subsequently diluted by new physics. [...]
arXiv:2205.11540.- 2024-04-24 - 39 p. - Published in : JHEP 2404 (2024) 130 Fulltext: 2205.11540 - PDF; document - PDF;
4.
Gravitational Wave Gastronomy / Dunsky, David (speaker) (UC Berkeley)
The symmetry breaking of grand unified gauge groups in the early universe often leaves behind relic topological defects such as cosmic strings, domain walls, or monopoles. For some symmetry breaking chains, hybrid defects can form where cosmic strings attach to domain walls or monopoles attach to strings. [...]
2021 - 153. Conferences & Workshops; Ultra-High-Frequency GWs: A Theory and Technology Roadmap External links: Talk details; Event details In : Ultra-High-Frequency GWs: A Theory and Technology Roadmap
5.
Gravitational Wave and CMB Probes of Axion Kination / Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Dunsky, David (UC, Berkeley ; LBL, Berkeley) ; Fernandez, Nicolas (Illinois U., Urbana) ; Ghalsasi, Akshay (Pittsburgh U.) ; Hall, Lawrence J. (UC, Berkeley ; LBL, Berkeley) ; Harigaya, Keisuke (CERN ; Princeton, Inst. Advanced Study) ; Shelton, Jessie (Illinois U., Urbana)
Rotations of an axion field in field space provide a natural origin for an era of kination domination, where the energy density is dominated by the kinetic term of the axion field, preceded by an early era of matter domination. Remarkably, no entropy is produced at the end of matter domination and hence these eras of matter and kination domination may occur even after Big Bang Nucleosynthesis. [...]
arXiv:2108.09299; UMN-TH-4023/21; FTPI-MINN-21-15; CERN-TH-2021-124.- 2022-09-15 - 63 p. - Published in : JHEP 2209 (2022) 116 Fulltext: document - PDF; 2108.09299 - PDF;

Vea también: autores con nombres similares
1 Dunsky, D.
3 Dunsky, David I.
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