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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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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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Systematic effects in the lattice calculation of inclusive semileptonic decays
/ Kellermann, R. (KEK, Tsukuba) ; Barone, A. (U. Mainz, PRISMA) ; Elgaziari, A. (U. Southampton (main)) ; Hashimoto, S. (KEK, Tsukuba ; Sokendai, Tsukuba) ; Hu, Z. (KEK, Tsukuba) ; Jüttnerc, A. (U. Southampton (main) ; CERN) ; Kaneko, T. (KEK, Tsukuba ; KMI, Nagoya)
We report on the calculation of the inclusive semileptonic decay of the $D_s$ meson on the lattice. [...]
arXiv:2411.18058 ; KEK-CP-0405.
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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: document - PDF; 2312.17401 - 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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Inclusive semi-leptonic decays of charmed mesons with Möbius domain wall fermions
/ Kellermann, Ryan (KEK, Tsukuba ; Tsukuba, Graduate U. Adv. Studies) ; Barone, Alessandro (Southampton U.) ; Hashimoto, Shoji (KEK, Tsukuba ; Tsukuba, Graduate U. Adv. Studies) ; Jüttner, Andreas (Southampton U. ; U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; Tsukuba, Graduate U. Adv. Studies ; KMI, Nagoya)
We perform a non-perturbative lattice calculation of the decay rates for inclusive semi-leptonic decays of charmed mesons. In view of the long-standing tension in the determination of the CKM matrix elements $|V_{ub}|$ and $|V_{cb}|$ from exclusive and inclusive processes, recently, the use of lattice QCD has been extended towards the description of inclusive decays. [...]
arXiv:2211.16830.-
2023 - 9 p.
- Published in : PoS: LATTICE2022 (2023) , pp. 414
- Published in : PoS
Fulltext: document - PDF; 2211.16830 - PDF;
In : 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany, 8 - 13 Aug 2022, pp.414
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Inclusive semi-leptonic $B_{(s)}$ mesons decay at the physical $b$ quark mass
/ Barone, Alessandro (Southampton U.) ; Jüttner, Andreas (Southampton U. ; CERN) ; Hashimoto, Shoji (KEK, Tsukuba ; Sokendai, Tsukuba) ; Kaneko, Takashi (KEK, Tsukuba ; Sokendai, Tsukuba ; KMI, Nagoya) ; Kellermann, Ryan (KEK, Tsukuba ; Sokendai, Tsukuba)
We address the non-perturbative calculation of the decay rate of inclusive semi-leptonic $B_{(s)}$ mesons decays from lattice QCD. Precise theoretical Standard Model predictions are key ingredients in searches for new physics. [...]
arXiv:2211.15623.-
2022-12-22 - 10 p.
- Published in : PoS: LATTICE2022 (2023) , pp. 403
Fulltext: document - PDF; 2211.15623 - PDF;
In : 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany, 8 - 13 Aug 2022, pp.403
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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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FLAG Review 2024
/ Flavour Lattice Averaging Group (FLAG) Collaboration
We review lattice results related to pion, kaon, $D$-meson, $B$-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. [...]
arXiv:2411.04268 ; CERN-TH-2024-192 ; FERMILAB-PUB-24-0785-T.
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Fermilab Library Server - Fulltext - Fulltext
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Workshop summary: Kaons@CERN 2023
/ Anzivino, G. (INFN, Perugia ; Perugia U.) ; Cuendis, Sergio Arguedas (Costa Rica U.) ; Bernard, V. (IJCLab, Orsay) ; Bijnens, J. (Lund U.) ; Bloch-Devaux, B. (Turin U.) ; Bordone, M. (CERN) ; Brizioli, F. (INFN, Perugia ; CERN) ; Brod, J. (Cincinnati U.) ; Camalich, J.M. (IAC, La Laguna ; Laguna U., Tenerife) ; Ceccucci, A. (CERN) et al.
Kaon physics is at a turning point -- while the rare-kaon experiments NA62 and KOTO are in full swing, the end of their lifetime is approaching and the future experimental landscape needs to be defined. With HIKE, KOTO-II and LHCb-Phase-II on the table and under scrutiny, it is a very good moment in time to take stock and contemplate about the opportunities these experiments and theoretical developments provide for particle physics in the coming decade and beyond. [...]
arXiv:2311.02923; CERN-TH-2023-206.-
2024-04-09 - 55 p.
- Published in : Eur. Phys. J. C
Fulltext: 2311.02923 - PDF; document - PDF;
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FLAG Review 2021
/ Flavour Lattice Averaging Group (FLAG) Collaboration
We review lattice results related to pion, kaon, $D$-meson, $B$-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. More specifically, we report on the determination of the light-quark masses, the form factor $f_+(0)$ arising in the semileptonic $K \to \pi$ transition at zero momentum transfer, as well as the decay constant ratio $f_K/f_\pi$ and its consequences for the CKM matrix elements $V_{us}$ and $V_{ud}$. [...]
arXiv:2111.09849; CERN-TH-2021-191; JLAB-THY-21-3528; FERMILAB-PUB-21-620-SCD-T.-
2022-10-04 - 418 p.
- Published in : Eur. Phys. J. C 82 (2022) 869
Fulltext: fermilab-pub-21-620-scd-t - PDF; 2111.09849 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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