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CERN Document Server Pronađeno je 22 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.78 sekundi 
1.
Metastable cosmic strings / Buchmuller, Wilfried (DESY) ; Domcke, Valerie (CERN) ; Schmitz, Kai (Munster U.)
Many symmetry breaking patterns in grand unified theories (GUTs) give rise to cosmic strings that eventually decay when pairs of GUT monopoles spontaneously nucleate along the string cores. These strings are known as metastable cosmic strings and have intriguing implications for particle physics and cosmology. [...]
arXiv:2307.04691; CERN-TH-2023-118; MS-TP-23-37; DESY-23-117.- 2023-11-08 - 28 p. - Published in : JCAP 2311 (2023) 020 Fulltext: document - PDF; 2307.04691 - PDF;
Detaljnije - Slični zapisi
2.
Wash-in leptogenesis after axion inflation / Domcke, Valerie (CERN) ; Kamada, Kohei (Tokyo U., RESCEU) ; Mukaida, Kyohei (KEK, Tsukuba ; Sokendai, Tsukuba) ; Schmitz, Kai (CERN ; Munster U.) ; Yamada, Masaki (Tohoku U. ; Tohoku U., Astron. Inst.)
CP violation and the violation of baryon-minus-lepton number B-L do not necessarily have to occur simultaneously in order to accomplish successful leptogenesis. Instead, it suffices if new CP-violating interactions at high energies result in primordial charge asymmetries, which are then reprocessed into a nonvanishing B-L asymmetry by right-handed neutrinos (RHNs) at lower energies. [...]
arXiv:2210.06412; CERN-TH-2022-162; RESCEU-17/22; KEK-TH-2455; MS-TP-22-37; TU-1170.- 2023-01-12 - 56 p. - Published in : JHEP 2301 (2023) 053 Fulltext: 2210.06412 - PDF; document - PDF;
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3.
New Constraint on Primordial Lepton Flavor Asymmetries / Domcke, Valerie (CERN ; EPFL, Lausanne, LPPC) ; Kamada, Kohei (Tokyo U., RESCEU) ; Mukaida, Kyohei (KEK, Tsukuba ; Sokendai, Tsukuba) ; Schmitz, Kai (Munster U.) ; Yamada, Masaki (Tohoku U., Astron. Inst. ; Tohoku U.)
A chiral chemical potential present in the early universe can source helical hypermagnetic fields through the chiral plasma instability. If these hypermagnetic fields survive until the electroweak phase transition, they source a contribution to the baryon asymmetry of the universe. [...]
arXiv:2208.03237; CERN-TH-2022-134; RESCEU-13/22; KEK-TH-2441; MS-TP-22-23; TU-1164.- 2023-06-30 - 7 p. - Published in : Phys. Rev. Lett. 130 (2023) 261803 Fulltext: 2208.03237 - PDF; Publication - PDF;
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4.
Cosmology with the Laser Interferometer Space Antenna / LISA Cosmology Working Group Collaboration
The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravitational-wave backgrounds and their implications for early universe and particle physics, from the MeV to the Planck scale. However, the range of potential cosmological applications of gravitational wave observations extends well beyond these two objectives. [...]
arXiv:2204.05434; LISA CosWG-22-03; FERMILAB-PUB-22-349-SCD.- 2023-08-28 - 176 p. - Published in : Living Rev. Relativ. 26 (2023) 5 Fulltext: jt - PDF; 2204.05434 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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5.
Gravitational Waves from Current-Carrying Cosmic Strings / Auclair, Pierre (Louvain U.) ; Blasi, Simone (Brussels U., IIHE) ; Brdar, Vedran (Fermilab ; Northwestern U.) ; Schmitz, Kai (Munster U. ; CERN)
Cosmic strings are predicted by many Standard Model extensions involving the cosmological breaking of a symmetry with nontrivial first homotopy group and represent a potential source of primordial gravitational waves (GWs). Present efforts to model the GW signal from cosmic strings are often based on minimal models, such as, eg, the Nambu--Goto action that describes cosmic strings as exactly one-dimensional objects without any internal structure. [...]
arXiv:2207.03510; CERN-TH-2022-116; FERMILAB-PUB-22-508-T; MS-TP-22-19; NUHEP-TH/22-07.- 2023-04-06 - 18 p.
Fulltext: cc28b880ac69c9914b4a7e9aae90d223 - PDF; 8c77a9393d0368d47c859c318a42d4ce - PDF; 2207.03510 - PDF; FERMILAB-PUB-22-508-T - PDF; External link: Fermilab Accepted Manuscript
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6.
Axion dark matter from frictional misalignment / Papageorgiou, Alexandros (IBS, Daejeon, CTPU) ; Quílez, Pablo (DESY) ; Schmitz, Kai (Munster U. ; CERN)
We study the impact of sphaleron-induced thermal friction on the axion dark-matter abundance due to the interaction of an axion-like particle (ALP) with a dark non-abelian gauge sector in a secluded thermal bath. Thermal friction can either enhance the axion relic density by delaying the onset of oscillations or suppress it by damping them. [...]
arXiv:2206.01129; CTPU-PTC-22-11; DESY-22-094; MS-TP-22-17; CERN-TH-2022-091.- 2023-01-31 - 18 p. - Published in : JHEP 2301 (2023) 169 Fulltext: document - PDF; 2206.01129 - PDF;
Detaljnije - Slični zapisi
7.
Modern Cosmology, an Amuse-Gueule / Schmitz, Kai (CERN)
This essay is a nontechnical primer for a broader audience, in which I paint a broad-brush picture of modern cosmology. I begin by reviewing the evidence for the big bang, including the expansion of our Universe, the cosmic microwave background, and the primordial abundances of the light elements. [...]
arXiv:2203.04757.- 2022 - 34 p. - Published in : 10.1007/978-3-031-05625-3_3 Fulltext: PDF;
In : Advances in cosmology, pp.37-70
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8.
New Ideas in Baryogenesis: A Snowmass White Paper / Elor, Gilly (U. Mainz, PRISMA ; Mainz U.) ; Harz, Julia (Munich, Tech. U.) ; Ipek, Seyda (Carleton U.) ; Shakya, Bibhushan (DESY) ; Blinov, Nikita (Victoria U.) ; Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Cui, Yanou (UC, Riverside) ; Dasgupta, Arnab (Brookhaven) ; Davoudiasl, Hooman (Pittsburgh U.) ; Elahi, Fatemeh (U. Mainz, PRISMA ; Mainz U.) et al.
The Standard Model of Particle Physics cannot explain the observed baryon asymmetry of the Universe. [...]
arXiv:2203.05010. -
eConf - Fulltext
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9.
Baryon Asymmetry of the Universe from Lepton Flavor Violation / Mukaida, Kyohei (KEK, Tsukuba ; Sokendai, Tsukuba) ; Schmitz, Kai (CERN) ; Yamada, Masaki (Tohoku U., Astron. Inst. ; Tohoku U.)
Charged-lepton flavor violation (CLFV) is a smoking-gun signature of physics beyond the Standard Model. The discovery of CLFV in upcoming experiments would indicate that CLFV processes must have been efficient in the early Universe at relatively low temperatures. [...]
arXiv:2111.03082; KEK-TH-2364; CERN-TH-2021-183; TU-1137.- 2022-06-28 - 10 p. - Published in : Phys. Rev. Lett. 129 (2022) 011803 Fulltext: PDF; Fulltext from publisher: PDF;
Detaljnije - Slični zapisi
10.
Cosmological Relaxation through the Dark Axion Portal / Domcke, Valerie (CERN ; Ecole Polytechnique, Lausanne) ; Schmitz, Kai (CERN) ; You, Tevong (CERN ; Cambridge U., DAMTP ; Cambridge U.)
The dark axion portal is a coupling of an axion-like particle to a dark photon kinetically mixed with the visible photon. We show how this portal, when applied to the relaxion, can lead to cosmological relaxation of the weak scale using dark photon production. [...]
arXiv:2108.11295; CERN-TH-2021-125.- 2022-07-20 - 36 p. - Published in : JHEP 2207 (2022) 126 Fulltext: 2108.11295 - PDF; document - PDF;
Detaljnije - Slični zapisi

CERN Document Server : Pronađeno je 22 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
9 Schmitz, K
4 Schmitz, K.
2 Schmitz, Katrin
3 Schmitz, Kirsten
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