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2021-01-12
04:25
Hawking radiation by spherically-symmetric static black holes for all spins: I -- Teukolsky equations and potentials / Arbey, Alexandre ; Auffinger, Jérémy ; Geiller, Marc ; Livine, Etera R. ; Sartini, Francesco
In the context of the dynamics and stability of black holes in modified theories of gravity, we derive the Teukolsky equations for massless fields of all spins in general spherically-symmetric and static metrics. [...]
arXiv:2101.02951 ; CERN-TH-2021-007. - 18 p.
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2021-01-12
04:24
Remarks on the numerical impact of potential theoretical systematics in the prediction of QCD instanton cross sections / Mangano, Michelangelo
We discuss the origin and size of potential uncertainties arising in the estimate of cross sections for the production of multiparticle final states induced by QCD instantons at the LHC..
arXiv:2101.02719 ; CERN-TH-2021-005. - 5 p.
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2021-01-08
04:35
Relic density of dark matter in the inert doublet model beyond leading order for the low mass region: 3. Annihilation in 3-body final state / Banerjee, Shankha ; Boudjema, Fawzi ; Chakrabarty, Nabarun ; Sun, Hao
We perform the first one-loop electroweak corrections for $2 \to 3$ processes for dark matter annihilation. [...]
arXiv:2101.02167 ; LAPTH-003/21 ; CERN-TH-2021-003. - 18 p.
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2021-01-08
04:34
Relic density of dark matter in the inert doublet model beyond leading order for the low mass region: 4. The Higgs resonance region / Banerjee, Shankha ; Boudjema, Fawzi ; Chakrabarty, Nabarun ; Sun, Hao
One-loop electroweak corrections to the annihilation cross-sections of dark matter in the Higgs resonance region of the inert doublet model (IDM) are investigated. [...]
arXiv:2101.02170 ; LAPTH-004/21 ; CERN-TH-2021-004. - 20 p.
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2021-01-08
04:34
Relic density of dark matter in the inert doublet model beyond leading order for the low mass region: 1. Renormalisation and constraints / Banerjee, Shankha ; Boudjema, Fawzi ; Chakrabarty, Nabarun ; Sun, Hao
The present paper is the first in a series that addresses the calculation of the full one-loop corrections of dark matter (DM) annihilation cross-sections in the low mass region of the inert doublet model (IDM). [...]
arXiv:2101.02165 ; LAPTH-001/21 ; CERN-TH-2021-001. - 33 p.
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2021-01-08
04:34
Relic density of dark matter in the inert doublet model beyond leading order for the low mass region: 2. Co-annihilation / Banerjee, Shankha ; Boudjema, Fawzi ; Chakrabarty, Nabarun ; Sun, Hao
We examine the relic density of the light mass dark matter region in the inert doublet model (IDM) when the dominant process is due to co-annihilation between the lightest neutral scalars of the model. [...]
arXiv:2101.02166 ; LAPTH-002/21 ; CERN-TH-2021-002. - 14 p.
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2021-01-08
04:34
HIP and HEP / Wiedemann, Urs Achim
This write-up of the ICHEP plenary "Heavy Ions - theory" focusses on some recent LHC discoveries and future opportunities in heavy ion physics (HIP) that are at the intersection with high energy physics (HEP)..
arXiv:2101.01971 ; CERN-TH-2021-006. - 10 p.
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2021-01-06
04:38
Probing naturally light singlets with a displaced vertex trigger / Gershtein, Yuri (Rutgers U., Piscataway) ; Knapen, Simon (CERN) ; Redigolo, Diego (CERN ; Florence U. ; INFN, Florence)
We investigate the physics case for a dedicated trigger on a low mass, hadronic displaced vertex at the high luminosity LHC, relying on the CMS phase II track trigger. [...]
arXiv:2012.07864 ; CERN-TH-2020-207. - 18 p.
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2021-01-02
04:00
Holographic approach of the spinodal instability to criticality / Attems, Maximilian
A smoking gun signature for a first-order phase transition with negative speed of sound squared $c_s^2$ is the occurrence of a spinodal instability. [...]
arXiv:2012.15687 ; CERN-TH-2020-223. - 22 p.
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2020-12-30
04:13
Next-to-next-to-leading order event generation for top-quark pair production / Mazzitelli, Javier (Munich, Max Planck Inst.) ; Monni, Pier Francesco (CERN) ; Nason, Paolo (INFN, Milan Bicocca ; Milan Bicocca U.) ; Re, Emanuele (Annecy, LAPTH) ; Wiesemann, Marius (Munich, Max Planck Inst.) ; Zanderighi, Giulia (Munich, Max Planck Inst.)
The production of top-quark pairs in hadronic collisions is among the most important reactions in modern particle physics phenomenology and constitutes an instrumental avenue to study the properties of the heaviest quark observed in nature. [...]
arXiv:2012.14267 ; MPP-2020-233 ; CERN-TH-2020-219 ; LAPTH-049/20. - 7 p.
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