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2023-02-02
04:22
Prospects for Future Binary Black Hole GW Studies in Light of PTA Measurements / Ellis, John ; Fairbairn, Malcolm ; Hütsi, Gert ; Raidal, Martti ; Urrutia, Juan ; Vaskonen, Ville ; Veermäe, Hardi
NANOGrav and other Pulsar Timing Arrays (PTAs) have discovered a common-spectrum process in the nHz range that may be due to gravitational waves (GWs): if so, they are likely to have been generated by black hole (BH) binaries with total masses $> 10^9 M_{\odot}$. [...]
KCL-PH-TH/2023-04 ; CERN-TH-2023-008 ; AION-REPORT/2023-1 ; arXiv:2301.13854. -
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2023-01-27
08:40
Modeling HI at the field level / Obuljen, Andrej (Zurich U.) ; Simonović, Marko (CERN) ; Schneider, Aurel (Zurich U.) ; Feldmann, Robert (Zurich U.)
We use an analytical forward model based on perturbation theory to predict the neutral hydrogen (HI) overdensity maps at low redshifts. [...]
arXiv:2207.12398 ; CERN-TH-2022-127. - 23 p.
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2023-01-27
08:14
Azimuthal di-jet correlations with parton branching TMD distributions / Bermudez Martinez, A. (DESY) ; Hautmann, F. (CERN ; Antwerp U. ; U. Oxford (main))
The parton branching formulation of TMD evolution has recently been used to make predictions for jet observables at the Large Hadron Collider (LHC), including perturbative matching at next-to-leading order (NLO). [...]
arXiv:2208.08446 ; CERN-TH-2022-137 ; DESY-22-135. - 7 p.
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2023-01-26
09:09
Toward the ultimate reach of current imaging atmospheric Cherenkov telescopes and their sensitivity to TeV dark matter / Montanari, Alessandro (IRFU, Saclay, DPP) ; Moulin, Emmanuel (IRFU, Saclay, DPP) ; Rodd, Nicholas L. (CERN)
Indirect detection opens a unique window for probing thermal dark matter (DM): the same annihilation process that determined the relic abundance in the early Universe drives the present day astrophysical signal. [...]
arXiv:2210.03140 ; CERN-TH-2022-156 ; IRFU-22-02. - 23 p.
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2023-01-26
08:42
Feynman parameter integration through differential equations / Hidding, Martijn (Uppsala U.) ; Usovitsch, Johann (CERN)
We present a new method for numerically computing generic multi-loop Feynman integrals. [...]
arXiv:2206.14790 ; UUITP-31/22 ; CERN-TH-2022-111. - 18 p.
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2023-01-26
08:21
Baryogenesis from Decaying Magnetic Helicity in Axiogenesis / Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Domcke, Valerie (CERN) ; Harigaya, Keisuke (Chicago U. ; Chicago U., EFI ; Chicago U., Astron. Astrophys. Ctr. ; Chicago U., KICP ; U. Tokyo (main) ; Tokyo U., IPMU ; CERN)
Generating axion dark matter through the kinetic misalignment mechanism implies the generation of large asymmetries for Standard Model fermions in the early universe. [...]
arXiv:2211.12517 ; UMN--TH--4206/22 ; FTPI--MINN--22/36 ; CERN-TH-2022-199. - 37 p.
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2023-01-26
08:13
State-dressed local operators in AdS/CFT / Bahiru, Eyoab (SISSA, Trieste ; INFN, Trieste ; ICTP, Trieste) ; Belin, Alexandre (Geneva U. ; CERN) ; Papadodimas, Kyriakos (CERN) ; Sarosi, Gabor (CERN) ; Vardian, Niloofar (SISSA, Trieste ; INFN, Trieste)
We examine aspects of locality in perturbative quantum gravity and how information can be localized in subregions. [...]
arXiv:2209.06845 ; CERN-TH-2022-145. - 6 p.
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2023-01-25
09:04
Soliton Merger Rates and Enhanced Axion Dark Matter Decay / Du, Xiaolong (Carnegie Inst. Observ. ; Caltech ; UCLA) ; Marsh, David J.E. ; Escudero, Miguel ; Benson, Andrew ; Blas, Diego ; Pooni, Charis Kaur ; Fairbairn, Malcolm
Solitons are observed to form in simulations of dark matter (DM) halos consisting of bosonic fields. [...]
arXiv:2301.09769 ; KCL-PH-TH-2023-03 ; CERN-TH-2023-009. - 15 p.
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2023-01-24
04:56
Holography and Localization of Information in Quantum Gravity / Bahiru, Eyoab (SISSA, Trieste ; INFN, Trieste ; ICTP, Trieste) ; Belin, Alexandre (Milan Bicocca U. ; Ecole Polytechnique, Lausanne) ; Papadodimas, Kyriakos (King's Coll. London ; CERN) ; Sarosi, Gabor (King's Coll. London ; CERN) ; Vardian, Niloofar (SISSA, Trieste ; INFN, Trieste)
Within the AdS/CFT correspondence, we identify a class of CFT operators which represent diff-invariant and approximately local observables in the gravitational dual. [...]
arXiv:2301.08753 ; CERN-TH-2023-003. - 67 p.
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2023-01-14
04:07
Isospin Mass Differences of the $B$, $D$ and $K$ / Rowe, Matthew (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Zwicky, Roman (U. Edinburgh, Higgs Ctr. Theor. Phys. ; CERN)
We compute the electromagnetic mass difference for the $B$-, $D$- and $K$-mesons using QCD sum rules with double dispersion relations. [...]
CERN-TH-2023-005 ; arXiv:2301.04972. -
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