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The anomalous magnetic moment of the muon in the Standard Model: an update
/ Aliberti, R. (Mainz U., Inst. Phys. ; U. Mainz, PRISMA) ; Aoyama, T. (Tokyo U., ISSP) ; Balzani, E. (INFN, Padua ; Padua U.) ; Bashir, A. (IFM-UMSNH, Michoacan ; Escuela Poli. Sup. U., Huelva) ; Benton, G. (Illinois U., Urbana) ; Bijnens, J. (Lund U.) ; Biloshytskyi, V. (Mainz U., Inst. Phys. ; U. Mainz, PRISMA) ; Blum, T. (Connecticut U. ; RIKEN BNL) ; Boito, D. (Sao Paulo U., Sao Carlos) ; Bruno, M. (Milan Bicocca U. ; INFN, Milan Bicocca) et al.
We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, $a_μ$, updating the first White Paper (WP20) [1]. The pure QED and electroweak contributions have been further consolidated, while hadronic contributions continue to be responsible for the bulk of the uncertainty of the SM prediction. [...]
arXiv:2505.21476; CERN-TH-2025-101; FERMILAB-PUB-25-0344-T; INT-PUB-25-015; IPARCOS-UCM-25-029; KEK Preprint 2025-22; LTH 1403; MITP-25-037; UWThPh 2025-15; UWThPh
2025-15; ZU-TH 37/25; IPARCOS-UCM-25-029.-
2025-09 - 188 p.
- Published in : Phys. Rep. 1143 (2025) 1-158
Fulltext: 2505.21476 - PDF; dc089d0865516c2a08ade9cf28ac37b1 - PDF; document - PDF; External link: Fermilab Library Server
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2.
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Inclusive semileptonic decays from lattice QCD: analysis of systematic effects
/ Kellermann, Ryan (KEK, Tsukuba) ; Hu, Zhi (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA) ; Elgaziari, Ahmed (U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Kaneko, Takashi (KEK, Tsukuba ; Sokendai, Tsukuba) ; Jüttner, Andreas (U. Southampton (main) ; CERN)
Lattice QCD calculations of inclusive semileptonic decay rates involve new types of systematic effects, such as truncation errors in the estimation of energy integrals, or finite-volume effects for multi-body final states. We investigate them for the lattice data of $D_s \to X_s \ell\nu$ decays, obtained using Möbius domain-wall fermions. [...]
arXiv:2504.03358; KEK-CP-0407; CERN-TH-2025-059.-
2025-07-01 - 56 p.
- Published in : Phys. Rev. D 112 (2025) 014501
Fulltext: 2504.03358 - PDF; document - PDF; Publication: PDF;
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3.
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Study on the $P$-wave form factors contributing to $ B_s $ to $D_s$ inclusive semileptonic decays from lattice simulations
/ Hu, Zhi (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA) ; Elgaziari, Ahmed (U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Jüttner, Adreas (U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; Sokendai, Tsukuba) ; Kellermann, Ryan (KEK, Tsukuba)
We present a pilot study on extracting the form factors of the semileptonic decay of a $ B_s $ meson to the $P$-wave $ D_s^{**} $ states from $B_s$ four-point correlators. With their inclusive nature, four-point correlators include contributions from all possible final states. [...]
arXiv:2501.19284; KEK-CP-0404.-
2025-01-31 - 10 p.
- Published in : PoS LATTICE2024 (2025) 241
Fulltext: 2501.19284 - PDF; document - PDF;
In : 41st International Symposium on Lattice Field Theory (Lattice 2024), Liverpool, United Kingdom, 20 Jul - 3 Aug 2024, pp.241
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4.
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Systematic effects in the lattice calculation of inclusive semileptonic decays
/ Kellermann, Ryan (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA) ; Elgaziari, Ahmed (U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Hu, Zhi (KEK, Tsukuba) ; Jüttner, Andreas (U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; KMI, Nagoya)
We report on the calculation of the inclusive semileptonic decay of the $D_s$ meson on the lattice. We simulate the $D_s \rightarrow X_s\ell\nu_\ell$ process with Möbius domain-wall charm and strange quarks, whose masses are approximately tuned to their physical values. [...]
arXiv:2411.18058; KEK-CP-0405.-
2024-12-05 - 9 p.
- Published in : PoS LATTICE2024 (2025) 245
Fulltext: 2411.18058 - PDF; document - PDF;
In : 41st International Symposium on Lattice Field Theory (Lattice 2024), Liverpool, United Kingdom, 20 Jul - 3 Aug 2024, pp.245
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5.
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Chebyshev and Backus-Gilbert reconstruction for inclusive semileptonic $B_{(s)}$-meson decays from Lattice QCD
/ Barone, Alessandro (U. Mainz, PRISMA ; Southampton U.) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Jüttner, Andreas (Southampton U. ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; Sokendai, Tsukuba ; KMI, Nagoya) ; Kellermann, Ryan (KEK, Tsukuba ; Sokendai, Tsukuba)
We present a study on the nonperturbative calculation of observables for inclusive semileptonic decays of $B_{(s)}$ mesons using lattice QCD. We focus on the comparison of two different methods to analyse the lattice data of Euclidean correlation functions, specifically Chebyshev and Backus-Gilbert approaches. [...]
arXiv:2312.17401; KEK-TH-2590.-
2024-05-04 - 10 p.
- Published in : PoS: LATTICE2023 (2024) , pp. 236
Fulltext: 2312.17401 - PDF; document - PDF;
In : 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, Batavia, IL, United States, 30 Jul - 5 Aug 2023, pp.236
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Review of particle physics, 2024-2025
/ Particle Data Group Collaboration
The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 2,717 new measurements from 869 papers, we list, evaluate, and average measured properties of gauge bosons and the recently discovered Higgs boson, leptons, quarks, mesons, and baryons [...]
2024 - 1166 p.
- Published in : Phys. Rev. D 110 (2024) 030001
Fulltext: PDF;
Purchase it for me!
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7.
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Updates on inclusive charmed and bottomed meson decays from the lattice
/ Kellermann, Ryan (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA ; U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba) ; Jüttner, Andreas (U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; KMI, Nagoya)
With the development of lattice QCD in recent years, a determination of decay rates for inclusive semileptonic decays from lattice correlators now seems viable. [...]
arXiv:2405.06152.
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7.
Fulltext
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8.
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Studies on finite-volume effects in the inclusive semileptonic decays of charmed mesons
/ Kellermann, Ryan (Sokendai, Tsukuba ; KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA ; U. Southampton (main)) ; Hashimoto, Shoji (Sokendai, Tsukuba ; KEK, Tsukuba) ; Jüttner𝑐, Andreas (U. Southampton (main) ; CERN) ; Kaneko𝑎, Takashi (CERN ; KMI, Nagoya ; Sokendai, Tsukuba ; KEK, Tsukuba)
We report on the calculation of the inclusive semileptonic decay of the $D_s$ meson on the lattice. We simulate the $D_s \rightarrow X_s\ell\nu_\ell$ process with Möbius domain-wall charm and strange quarks, whose masses were approximately tuned to the physical values. [...]
arXiv:2312.16442; KEK-TH-2591.-
2024-05-04 - 7 p.
- Published in : PoS LATTICE2023 (2024) 272
Fulltext: document - PDF; 2312.16442 - PDF;
In : 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, Batavia, IL, United States, 30 Jul - 5 Aug 2023, pp.272
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9.
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Quark-hadron duality and lattice QCD
/ Hashimoto, Shoji (speaker) (KEK)
It's been 50 years since Quantum Chromodynamics (QCD), or its asymptotic freedom, was found. Yet, the quantitative understanding ofquark-hadron duality, an underlying assumption in the connection between perturbative QCD and experiments, is lacking. [...]
2024 - 3456.
Theory Colloquia
External link: Event details
In : Quark-hadron duality and lattice QCD
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10.
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Approaches to inclusive semileptonic B$_{(s)}$-meson decays from Lattice QCD
/ Barone, Alessandro (Southampton U. ; KEK, Tsukuba) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Jüttner, Andreas (Southampton U. ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; Sokendai, Tsukuba ; KMI, Nagoya) ; Kellermann, Ryan (KEK, Tsukuba ; Sokendai, Tsukuba)
We address the nonperturbative calculation of the inclusive decay rate of semileptonic $B_{(s)}$-meson decays from lattice QCD. Precise Standard-Model predictions are key ingredients in searches for new physics, and this type of computation may eventually provide new insight into the long-standing tension between the inclusive and exclusive determinations of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements $|V_{cb}|$ and $|V_{ub}|$. [...]
arXiv:2305.14092; KEK-CP-0394; CERN-TH-2023-087.-
2023-07-18 - 43 p.
- Published in : JHEP 2307 (2023) 145
Fulltext: 2305.14092 - PDF; Publication - PDF;
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