2024-06-22 07:40 |
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Candidate de Sitter Vacua
/ McAllister, Liam (Cornell U., Phys. Dept.) ; Moritz, Jakob (CERN) ; Nally, Richard (Cornell U., Phys. Dept.) ; Schachner, Andreas (Cornell U., Phys. Dept. ; Munich U., ASC)
We construct compactifications of type IIB string theory that yield, at leading order in the $\alpha^\prime$ and $g_s$ expansions, de Sitter vacua of the form envisioned by Kachru, Kallosh, Linde, and Trivedi. [...]
CERN-TH-2024-090 ; arXiv:2406.13751.
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64 p.
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2024-06-22 07:34 |
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LO, NLO, and NNLO Parton Distributions for LHC Event Generators
/ Cruz-Martinez, Juan (CERN) ; Forte, Stefano (INFN, Milan ; Milan U.) ; Laurenti, Niccolo (INFN, Milan ; Milan U.) ; Rabemananjara, Tanjona R. (Vrije U., Amsterdam ; NIKHEF, Amsterdam) ; Rojo, Juan (Vrije U., Amsterdam ; NIKHEF, Amsterdam)
We present NNPDF4.0MC, a variant of the NNPDF4.0 set of parton distributions (PDFs) at LO, NLO and NNLO, with and without inclusion of the photon PDF, suitable for use with Monte Carlo (MC) event generators, which require PDFs to satisfy additional constraints in comparison to standard PDF sets. [...]
CERN-TH-2024-080 ; TIF-UNIMI-2024-4 ; arXiv:2406.12961.
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14 p.
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2024-06-19 04:53 |
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2024-06-18 06:14 |
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2024-06-18 05:02 |
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2024-06-14 06:02 |
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Heavy-to-light form factors to three loops
/ Fael, Matteo (CERN) ; Huber, Tobias (Siegen U.) ; Lange, Fabian (Zurich U. ; PSI, Villigen) ; Müller, Jakob (Siegen U.) ; Schönwald, Kay (Zurich U.) ; Steinhauser, Matthias (KIT, Karlsruhe, TTP)
We compute three-loop corrections of $\mathcal{O}(\alpha_{s}^3)$ to form factors with one massive and one massless quark coupling to an external vector, axialvector, scalar, pseudoscalar, or tensor current. [...]
CERN-TH-2024-064 ; P3H-24-036 ; PSI-PR-24-13 ; SI-HEP-2024-14 ; TTP24-017 ; ZU-TH28/24 ; arXiv:2406.08182.
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51 p.
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2024-06-13 06:49 |
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2024-06-13 06:39 |
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2024-06-12 04:50 |
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2024-06-12 04:50 |
The non-first-order-factorizable contributions to the three-loop single-mass operator matrix elements <math altimg="si1.svg"><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math> and <math altimg="si2.svg"><mi mathvariant="normal">Δ</mi><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math>
/ Ablinger, J. (Linz U. ; Linz U., RISC ; OAW, Linz, RICAM) ; Behring, A. (CERN) ; Blümlein, J. (DESY, Zeuthen ; Dortmund U.) ; De Freitas, A. (Linz U. ; Linz U., RISC ; DESY, Zeuthen) ; von Manteuffel, A. (Regensburg U.) ; Schneider, C. (Linz U. ; Linz U., RISC) ; Schönwald, K. (Zurich U.)
The non-first-order-factorizable contributions (The terms 'first-order-factorizable contributions' and 'non-first-order-factorizable contributions' have been introduced and discussed in Refs. \cite{Behring:2023rlq,Ablinger:2023ahe}. [...]
arXiv:2403.00513; ZU-TH-13/24; DO-TH-23/15; RISC Report series 24-02; CERN-TH-2024-30; DESY-24-027.-
2024-05-13 - 8 p.
Fulltext: 2403.00513 - PDF; Publication - PDF;
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