2025-04-01 06:05 |
Detaljnije
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2025-04-01 06:05 |
$D$ and $D_s$ decay constants from $N_f = 2 + 1$ lattice QCD
/ Collins, Sara (Regensburg U.) ; Heitger, Jochen (Munster U.) ; Joswig, Fabian (Edinburgh U.) ; Kuberski, Simon (CERN ; Mainz U., Inst. Phys. ; Darmstadt, GSI) ; Söldner, Wolfgang (Regensburg U.)
The D and $D_s$ decay constants are important inputs for the determination of the CKM matrix elements $|V_{cd}|$ and $|V_{cs}|$ and for precision tests of the Standard Model. With lattice determinations of these quantities reaching the sub-percent level, it is important to demonstrate control over all sources of systematic uncertainty, and, in particular, those arising from discretisation effects and the quark mass dependence. [...]
2024 - 12 p.
- Published in : PoS EuroPLEx2023 (2024) 033
Fulltext: PDF;
In : EuroPLEx Final Conference (EuroPLEx2023), Berlin, Germany, 11 - 15 Sep 2023, pp.033
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2025-04-01 06:05 |
B-physics observables in the continuum from a combination of static and relativistic results
/ Conigli, Alessandro (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Frison, Julien (NIC, Zeuthen ; DESY) ; Fritzsch, Patrick (Trinity Coll., Dublin) ; Gérardin, Antoine (Marseille, CPT) ; Heitger, Jochen (Munster U.) ; Herdoiza, Gregorio (Madrid, Autonoma U.) ; Kuberski, Simon (CERN) ; Pena, Carlos (Madrid, Autonoma U.) ; Simma, Hubert (NIC, Zeuthen ; DESY)
We discuss how to perform interpolations between relativistic and static computations in order to extract heavy-light B-physics observables in the continuum. This strategy can be carried out entirely in large volume, but its predictivity is enhanced by the following step scaling approach. [...]
2024 - 14 p.
- Published in : PoS EuroPLEx2023 (2024) 005
Fulltext: PDF;
In : EuroPLEx Final Conference (EuroPLEx2023), Berlin, Germany, 11 - 15 Sep 2023, pp.005
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2025-04-01 06:05 |
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2025-04-01 06:05 |
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2025-04-01 06:05 |
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2025-04-01 06:05 |
Towards a high-precision description of the $\rho$ and K* resonances
/ Lachini, Nelson Pitanga (Edinburgh U. ; Cambridge U., DAMTP) ; Boyle, Peter (Edinburgh U. ; Brookhaven) ; Erben, Felix (Edinburgh U. ; CERN) ; Gülpers, Vera (Edinburgh U.) ; Hansen, Maxwell T (Edinburgh U.) ; Joswig, Fabian (Edinburgh U.) ; Marshall, Michael (Edinburgh U.) ; Portelli, Antonin (Edinburgh U. ; CERN ; RIKEN AICS, Kobe)
We summarise our determination of the $\rho$ and $K^*$ resonance parameters from lattice QCD at a physical pion mass. The methods for computing correlation functions and extracting energy levels from an RBC-UKQCD domain-wall fermion ensemble are reviewed. [...]
2024 - 15 p.
- Published in : PoS EuroPLEx2023 (2024) 017
Fulltext: PDF;
In : EuroPLEx Final Conference (EuroPLEx2023), Berlin, Germany, 11 - 15 Sep 2023, pp.017
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2025-04-01 06:05 |
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2025-04-01 06:05 |
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2025-04-01 06:05 |
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