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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
A quantum analytical Adam descent through parameter shift rule using Qibo / Carrazza, Stefano (Milan U. ; CERN ; Technol. Innovation Inst., UAE) ; Robbiati, Matteo (Milan U. ; CERN) ; Efthymiou, Stavros (Technol. Innovation Inst., UAE) ; Pasquale, Andrea (Milan U. ; Technol. Innovation Inst., UAE)
In this proceedings we present quantum machine learning optimization experiments using stochastic gradient descent with the parameter shift rule algorithm. We first describe the gradient evaluation algorithm and its optimization procedure implemented using the Qibo framework. [...]
arXiv:2210.10787; CERN-TH-2022-168; TIF-UNIMI-2022-20.- 2022-11-13 - 6 p. - Published in : PoS: ICHEP2022, pp. 206
Fulltext: 2210.10787 - PDF; document - PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022, pp.206

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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
Hadronic observables from master-field simulations / Cè, Marco (Bern U.) ; Bruno, Mattia (Milan Bicocca U. ; INFN, Milan Bicocca) ; Bulava, John (DESY, Zeuthen) ; Francis, Anthony (NYCU, Hsinchu) ; Fritzsch, Patrick (Trinity Coll., Dublin ; Hamilton Math. Inst., Dublin) ; Green, Jeremy R. (DESY, Zeuthen) ; Hansen, Maxwell T. (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Rago, Antonio (Southern Denmark U., CP3-Origins ; CERN)
Substantial progress has been made recently in the generation of master-field ensembles. [...]
arXiv:2301.05156 ; DESY-22-207 ; CERN-TH-2022-215. - 10 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
08:14
QCD resummation for groomed jet observables at NNLL+NLO / Dasgupta, Mrinal (Manchester U. ; CERN) ; El-Menoufi, Basem Kamal (Manchester U.) ; Helliwell, Jack (Oxford U., Theor. Phys.)
We use a direct QCD approach to carry out the next-to-next-to-leading logarithmic (NNLL) resummation for observables groomed with the modified mass-drop tagger (Soft Drop $\beta=0$). We focus on observables which are additive given an arbitrary number of soft-collinear emissions. [...]
arXiv:2211.03820; CERN-TH-2022-170.- 2023-01-11 - 35 p. - Published in : JHEP 2301 (2023) 045 Fulltext: document - PDF; 2211.03820 - PDF;

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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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