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2020-09-26
04:14
Gas Heating from Spinning and Non-Spinning Evaporating Primordial Black Holes / Laha, Ranjan ; Lu, Philip ; Takhistov, Volodymyr
Primordial black holes (PBHs) from the early Universe constitute a viable dark matter (DM) candidate and can span many orders of magnitude in mass. [...]
arXiv:2009.11837 ; CERN-TH-2020-159. - 7 p.
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2020-09-26
04:14
MeV-scale Seesaw and Leptogenesis / Domcke, Valerie ; Drewes, Marco ; Hufnagel, Marco ; Lucente, Michele
We study the type-I seesaw model with three right-handed neutrinos and Majorana masses below the pion mass. [...]
arXiv:2009.11678 ; CERN-TH-2020-158 ; DESY-20-159. - 25 p.
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2020-09-25
04:09
Optimizing large-scale structure data analysis with the theoretical error likelihood / Chudaykin, Anton ; Ivanov, Mikhail M. ; Simonović, Marko
An important aspect of large-scale structure data analysis is the presence of non-negligible theoretical uncertainties, which become increasingly important on small scales. [...]
arXiv:2009.10724 ; INR-TH-2020-040 ; CERN-TH-2020-154. - 41 p.
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2020-09-24
04:09
From NANOGrav to LIGO with metastable cosmic strings / Buchmuller, Wilfried ; Domcke, Valerie ; Schmitz, Kai
We interpret the recent NANOGrav results in terms of a stochastic gravitational wave background from metastable cosmic strings. [...]
arXiv:2009.10649 ; CERN-TH-2020-157 ; DESY-20-154. - 5 p.
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2020-09-24
04:09
Mixed QCD-electroweak corrections to W-boson production in hadron collisions / Behring, Arnd ; Buccioni, Federico ; Caola, Fabrizio ; Delto, Maximillian ; Jaquier, Matthieu ; Melnikov, Kirill ; Röntsch, Raoul
We compute mixed QCD-electroweak corrections to the fully-differential production of an on-shell $W$ boson. [...]
arXiv:2009.10386 ; TTP20-033 ; P3H-20-048 ; OUTP-20-09P ; CERN-TH-2020-152. - 40 p.
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2020-09-23
04:37
Holographic Correlators at Finite Temperature / Alday, Luis F. ; Kologlu, Murat ; Zhiboedov, Alexander
We consider weakly-coupled QFT in AdS at finite temperature. [...]
arXiv:2009.10062 ; CERN-TH-2020-155. - 28 p.
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2020-09-23
04:37
Knitting Wormholes by Entanglement in Supergravity / Balasubramanian, Vijay ; DeCross, Matthew ; Sárosi, Gábor
We construct a single-boundary wormhole geometry in type IIB supergravity by perturbing two stacks of $N$ extremal D3-branes in the decoupling limit. [...]
arXiv:2009.08980 ; CERN-TH-2020-153. - 8 p.
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2020-09-17
04:35
Local Primordial Non-Gaussianities and Super-Sample Variance / Castorina, Emanuele (CERN) ; Moradinezhad Dizgah, Azadeh (Geneva U., Dept. Theor. Phys.)
Fluctuations with wavelengths larger than the volume of a galaxy survey affect the measurement of the galaxy power spectrum within the survey itself. [...]
arXiv:2005.14677 ; CERN-TH-2020-083. - 15 p.
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2020-09-16
04:57
Has NANOGrav found first evidence for cosmic strings? / Blasi, Simone ; Brdar, Vedran ; Schmitz, Kai
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has recently reported strong evidence for a stochastic common-spectrum process affecting the pulsar timing residuals in its 12.5-year data set. [...]
arXiv:2009.06607 ; CERN-TH-2020-151. - 6 p.
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2020-09-16
04:57
Cosmic String Interpretation of NANOGrav Pulsar Timing Data / Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Lewicki, Marek (King's Coll. London ; Warsaw U.)
Pulsar timing data used to provide upper limits on a possible stochastic gravitational wave background (SGWB). [...]
arXiv:2009.06555 ; KCL-PH-TH/2020-53 ; CERN-TH-2020-150. - 11 p.
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