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2021-06-19
04:13
Cyclic spacetimes through singularity scattering maps. Plane-symmetric gravitational collisions / Floch, Bruno Le ; LeFloch, Philippe G. ; Veneziano, Gabriele
We study the plane-symmetric collision of two gravitational waves and describe the global spacetime geometry generated by this collision. [...]
arXiv:2106.09666 ; CERN-TH-2021-094.
- 34 p.
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2021-06-19
04:13
The Forward-Backward Asymmetry in $B\to D^{*}\ell\nu$: One more hint for Scalar Leptoquarks? / Carvunis, Alexandre ; Crivellin, Andreas ; Guadagnoli, Diego ; Gangal, Shireen
In recent years, intriguing hints for the violation of lepton flavour universality have accumulated. [...]
arXiv:2106.09610 ; CERN-TH-2021-092 ; LAPTH-020/21 ; PSI-PR-21-12 ; ZU-TH 27/21.
- 7 p.
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2021-06-18
04:32
The observed galaxy power spectrum in General Relativity / Castorina, Emanuele ; di Dio, Enea
Measurements of the clustering of galaxies in Fourier space, and at low wavenumbers, offer a window into the early Universe via the possible presence of scale dependent bias generated by Primordial Non Gaussianites. [...]
arXiv:2106.08857 ; CERN-TH-2021-087.
- 44 p.
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2021-06-13
15:56
Higher-Form Symmetries and their Anomalies in M-/F-theory Duality / Cvetic, Mirjam ; Dierigl, Markus (Munich U., ASC) ; Lin, Ling (CERN) ; Zhang, Hao Y. (Pennsylvania U.)
We explore higher-form symmetries of M- and F-theory compactified on elliptic fibrations, determined by the topology of their asymptotic boundaries. [...]
arXiv:2106.07654 ; CERN-TH-2021-091 ; UPR-1311-T ; LMU-ASC 17/21.
- 2021. - 35 p.
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2021-06-13
04:01
Discriminating same-mass Neutron Stars and Black Holes gravitational wave-forms / Coupechoux, J.-F. (IP2I, Lyon) ; Arbey, A. ; Chierici, R. (IP2I, Lyon) ; Hansen, H. (IP2I, Lyon) ; Margueron, J. (IP2I, Lyon) ; Sordini, V. (IP2I, Lyon)
Gravitational wave-forms from coalescences of binary black hole systems and binary neutron star systems with low tidal effects can hardly be distinguished if the two systems have similar masses. [...]
arXiv:2106.05805 ; CERN-TH-2021-088.
- 18 p.
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2021-06-11
04:17
Higher spin wormholes from modular bootstrap / Das, Diptarka (Indian Inst. Tech., Kanpur) ; Datta, Shouvik (CERN)
We investigate the connection between spacetime wormholes and ensemble averaging in the context of higher spin AdS$_3$/CFT$_2$. [...]
arXiv:2106.03889 ; CERN-TH-2021-085.
- 31 p.
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2021-06-11
04:17
Sliding Naturalness / D'Agnolo, Raffaele Tito (IPhT, Saclay) ; Teresi, Daniele (CERN)
We present a novel framework to solve simultaneously the electroweak hierarchy problem and the strong-CP problem. [...]
arXiv:2106.04591 ; CERN-TH-2021-055.
- 8 p.
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2021-06-11
04:17
An analysis of Bayesian estimates for missing higher orders in perturbative calculations / Duhr, Claude (CERN) ; Huss, Alexander (CERN) ; Mazeliauskas, Aleksas (CERN) ; Szafron, Robert (Brookhaven)
With current high precision collider data, the reliable estimation of theoretical uncertainties due to missing higher orders (MHOs) in perturbation theory has become a pressing issue for collider phenomenology. [...]
arXiv:2106.04585 ; CERN-TH-2021-058.
- 62 p.
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2021-06-08
04:00
Thermal WIMPs and the Scale of New Physics: Global Fits of Dirac Dark Matter Effective Field Theories / GAMBIT Collaboration
We assess the status of a wide class of WIMP dark matter (DM) models in light of the latest experimental results using the global fitting framework $\textsf{GAMBIT}$. [...]
arXiv:2106.02056 ; ADP-21-9/T1156 ; CERN-TH-2021-084 ; CP3-21-15 ; P3H-21-038 ; TTK-21-19, gambit-physics-21.
- 37 p.
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2021-06-02
04:34
SMEFT Constraints on New Physics Beyond the Standard Model / Ellis, John (King's Coll. London ; NICPB, Tallinn ; CERN)
The Fermi effective theory of the weak interaction helped identify the structure of the electroweak sector of the Standard Model, and the chiral effective Lagrangian pointed towards QCD as the theory of the strong interactions. [...]
arXiv:2105.14942 ; KCL-PH-TH/2021-035 ; CERN-TH-2021-083.
- 13 p.
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