Pith. sign in

REVIEW 1 major objections 5 minor 33 references

Form factors for semileptonic B(s) -> D*(s) l nu_l decays

T0 review · 1 major / 5 minor · reviewed 2026-08-11 · deepseek-v4-flash

Challenge this review Re-run · record.json Download PDF Read on arXiv ↗

Pith's one-line read This paper claims that existing lattice data, with the $D_s^*$ treated as a stable particle, can produce the four unrenormalised form factors for $B_s \to D_s^* \ell \nu_\ell$ decays, and demonstrates this on the finest ensemble.

desk verdict A straightforward exploratory RBC/UKQCD proceedings: the form-factor extraction is sensible and honestly labeled, with one sloppy data-provenance sentence that should be fixed. read the letter →

arxiv 2412.17406 v1 pith:WP2N2UMU submitted 2024-12-23 hep-lat hep-ph

Anastasia Boushmelev , Matthew Black , Oliver Witzel This is my paper · ORCID
classification hep-lathep-ph
keywords semileptonicBdecayslatticeQCDformfactorsB_stoD_s*lnunarrowwidthapproximationdomain-wallfermionsrelativisticheavyquarkCKMmatrixelement
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper tries to show that lattice data already collected for $B_s \to K \ell \nu_\ell$ decays can be recycled, at essentially no extra simulation cost, to extract the four form factors that describe the semileptonic decay $B_s \to D_s^* \ell \nu_\ell$ in the narrow width approximation. Treating the $D_s^*$ as a QCD-stable vector meson, the authors compute the vector and axial hadronic matrix elements from 2- and 3-point correlation functions on their finest 2+1 flavour ensemble and present the four unrenormalised lattice form factors $\tilde A_0$, $\tilde A_1$, $\tilde A_2$ and $\tilde V$ as a function of $q^2$. The reason this matters is that vector final states are the experimentally preferred channel for extracting the CKM element $|V_{cb}|$ and for testing lepton flavour universality, so an independent lattice determination from a new ensemble set would help settle the persistent tension between inclusive and exclusive determinations. The results are preliminary and still require renormalisation and continuum/chiral extrapolation, but they demonstrate that the $q^2$ range reached is comparable to published nonzero-recoil calculations.

What carries the argument

The argument is carried by the narrow width approximation together with a ratio method for lattice correlation functions. The narrow width approximation lets the authors parametrise the $B_s \to D_s^*$ matrix element by the four form factors $V$, $A_0$, $A_1$, $A_2$ of Eq.~(3), treating $D_s^*$ as a QCD-stable vector meson. The numerical extraction uses ratios of 3-point over 2-point correlation functions, Eq.~(8), which in the limit of large Euclidean time separations isolate the desired matrix elements; the individual form factors are then projected out by choosing specific momentum, polarisation, and current-direction combinations, Eqs.~(9)--(12). The dispersion relation of the $D_s^*$ meson provides a consistency check on the extracted energies.

What would settle it

The most direct check is to apply renormalisation to these four form factors and compare their $q^2$ dependence with published $B_s \to D_s^* \ell \nu_\ell$ results from a different lattice action; a statistically significant slope mismatch at high $q^2$, or the appearance of a $D_s \pi$ two-particle state in the spectral decomposition of the 3-point correlators, would falsify the narrow width approximation.

Watch

Extended reading notes

Core claim

The central claim is that the four unrenormalised lattice form factors $\tilde A_0$, $\tilde A_1$, $\tilde A_2$ and $\tilde V$ for $B_s \to D_s^* \ell \nu_\ell$ can be extracted from the existing $B_s \to K \ell \nu_\ell$ data on the fine F1S ensemble, with the $B_s$ at rest and up to five units of spatial momentum injected into the $D_s^*$. Using the narrow width approximation, the $D_s^*$ is treated as a stable asymptotic state, so the hadronic matrix element is decomposed into four form factors following the standard parametrisation of Eq.~(3). The extracted form factors show clean ground-state plateaus in the 3-point correlator ratios and satisfy the lattice dispersion relation, and their $q^2$ coverage reaches the high-$q^2$ region at a range similar to published lattice calculations. The paper presents these results as an exploratory demonstration rather than a final prediction: renormalisation, $O(a)$ improvement, and additional ensembles are all still required.

Load-bearing premise

The load-bearing premise is that the $D_s^*$ meson can be treated as perfectly stable, with its finite resonance width ignored; if the resonance nature leaks into the correlation functions, the extracted form factors describe a stable meson that does not match the physical decay.

Editorial extensions

If this is right

  • An independent determination of the $B_s \to D_s^* \ell \nu_\ell$ form factors becomes available from configurations that already exist, so no new gauge-field ensembles are needed for a first lattice result in this channel.
  • The achieved $q^2$ range is comparable to published nonzero-recoil calculations, meaning the new data can serve as a cross-check of the slope disagreement between existing lattice determinations.
  • Once renormalisation factors and $O(a)$ improvement coefficients are included, the same analysis can be combined with the coarse and medium ensembles to extrapolate to the physical point and the continuum.
  • The same workflow transfers directly to the $B \to D^* \ell \nu_\ell$ channel with a light spectator quark, which is the channel most relevant for $|V_{cb}|$ and $R(D^*)$ measurements.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • Editorial extension: the cleanest test of the narrow width approximation would be to compare the $q^2$ dependence of these unrenormalised form factors (after matching renormalisation) against the published full-$q^2$ $B_s \to D_s^*$ results from a different lattice action; agreement would validate the approximation, while a slope mismatch at high $q^2$ would indicate resonance contamination.
  • Editorial extension: the same 3-point correlators also contain information about the $D_s^*$ mass and energy-momentum dispersion, so the data could be used for a simultaneous precision check of the vector-meson dispersion relation, not just as an input to the form factors.
  • Editorial extension: if the narrow width approximation holds here, it motivates applying the same data-reuse strategy to other narrow heavy-light vector mesons, such as $D^*$, where the approximation is less safe and can be tested by comparing with scattering analyses.
Share X Bluesky LinkedIn Reddit HN

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

1 major / 5 minor

Summary. The paper presents an exploratory lattice QCD calculation of the semileptonic decay B_s -> D*_s l nu_l. Treating the D*_s as QCD-stable in the narrow-width approximation, it defines four form factors and extracts their unrenormalised lattice counterparts (e_A0, e_A1, e_A2, e_V) on the fine RBC/UKQCD F1S ensemble as functions of q^2, with the B_s at rest and up to five units of lattice momentum on the D*_s. The D*_s dispersion relation is checked against the lattice prediction. The paper is a proceedings contribution that is explicitly preliminary: the results are unrenormalised, from a single ensemble with M_pi=268 MeV, and use ground-state-only fits. Future work includes renormalisation, O(a) improvement, and extension to coarse and medium ensembles and to B -> D*.

Significance. If the results are correct, the paper provides a proof-of-concept that the RBC/UKQCD framework can be used for semileptonic decays to vector final states, complementing existing Fermilab/MILC, JLQCD, and HPQCD results and potentially contributing to the V_cb and R(D*) programmes. Strengths include the use of a well-tested action setup, a dispersion-relation consistency check, and an appropriately cautious presentation of exploratory results. However, the central selling point of reusing existing B_s -> K data is technically problematic (see major comment), which weakens the demonstrated novelty and should be corrected before the claims are taken at face value.

major comments (1)
  1. [Section 3 (Lattice Setup and first results), first paragraph] The statement that 'the data analysed here were collected as part of the B_s -> K l nu form factor calculation presented in Ref. [26]' is inconsistent with the quark-level content of the present calculation. The B_s -> K process uses a b->u weak current and a pseudoscalar K sink, whereas the present B_s -> D*_s process, as described in Eq. (7) and the right panel of Fig. 2, requires a b->c current and a vector D*_s sink. In a sequential-source setup the sink interpolating operator is fixed, so the charm propagator from the current to the sink and the D*_s sink itself cannot be obtained from the K-sink inversions of Ref. [26]. The subsequent sentence, 'charm and bottom quarks are generated using Gaussian smeared sources', indicates that charm-quark propagators are in fact present, which would not be the case in a B_s -> K calculation. This is load-bearing because the abstract and Sec. 3 advertise taking advantage of existing data; the authors must specify exactly which elements were reused (gauge configurations, light/strange propagators, code, ensemble parameters) and which were newly computed (D*_s two-point functions, b->c three-point functions). If the three-point functions are new, the sentence and the abstract's 'taking advantage of existing data' are misleading and should be revised.
minor comments (5)
  1. [Section 3, first paragraph] Please clarify whether the charm and bottom quark propagators were newly generated for this work or were part of the existing dataset from Ref. [26]; the current wording is ambiguous and directly relevant to the provenance claim.
  2. [Abstract] The phrase 'taking advantage of existing data' should specify what is reused (ensembles, propagators, code) to avoid overstating the reuse.
  3. [Section 3, Fig. 4] The fit ranges for the form-factor plateaus are not stated in the text (only the two-point energy fit range, time slices 18–25, is given); please provide the corresponding fit intervals for the ratio fits.
  4. [Section 4] The paper does not quantify the systematic uncertainty from the narrow-width approximation or excited-state contamination; given the exploratory status this is acceptable, but a brief discussion of expected sizes would be useful.
  5. [Acknowledgments] Minor typo: 'ackowledges' should be 'acknowledges'.

Circularity Check

0 steps flagged · score 0.0 of 10

No significant circularity: the lattice form-factor extraction is self-contained, and the only self-citation is a data-provenance statement that is not load-bearing for the derivation.

full rationale

The paper's claimed derivation chain runs from lattice 2- and 3-point correlation functions (Eqs. 4-8), through ratios that define the unrenormalized form factors (Eqs. 9-12), to the q^2-dependent plots. Meson masses and energies are extracted from the same correlators (Fig. 3) and used only as kinematic inputs; the narrow-width approximation is a physical assumption, not an input that is equivalent to the extracted form factors. No fitted parameter is renamed as a prediction, and no equation reduces to another by construction. The one notable self-citation, Ref. [26], appears only in the provenance statement 'The data analysed here were collected as part of the B_s -> K l nu form factor calculation presented in Ref. [26].' Even if that provenance claim is questionable, because a B_s -> K b-to-u calculation would not by itself contain the charm propagator needed for a D*_s sink, the numerical extraction itself does not reduce to any equation or fitted value from Ref. [26]. The potential data-reuse mismatch is a factual correctness concern, not a circular-reasoning defect. Under the hard rule that circularity must be exhibited as a specific reduction, none is present.

Assumptions & free parameters 0 free parameters · 5 assumptions · 0 invented entities

The central claim rests on standard lattice QCD methods and the narrow width approximation. No parameters are fitted to experimental data; the only inputs are previously published RBC/UKQCD ensemble parameters and lattice-determined meson masses.

assumptions (5)
  • domain assumption Lattice QCD with Shamir domain-wall fermions and the Iwasaki gauge action provides a valid nonperturbative regulator for the strong interaction.
    Standard RBC/UKQCD setup; assumed valid at the ensemble parameters used (Sec. 3).
  • domain assumption The relativistic heavy quark (RHQ) action reliably describes the bottom quark at these lattice spacings, and optimized heavy domain-wall fermions describe charm.
    RHQ action is tuned for bottom; used in prior RBC/UKQCD heavy flavor calculations (Sec. 3).
  • domain assumption The D*_s meson can be treated as stable in the correlation functions; the narrow width approximation is valid.
    Explicitly stated at the start of Sec. 2; the D*_s is narrow, but the approximation is not tested in this paper.
  • domain assumption Ground-state dominance is achieved in the chosen fit windows (e.g., time slices 18 to 25 for energies on F1S).
    Correlated ground-state-only fits are used; excited state contamination is not quantified (Sec. 3, Figs. 3 and 4).
  • standard math The standard Lorentz decomposition of the hadronic matrix element into four form factors is valid for a vector final state.
    Eq. (3) is the conventional decomposition; standard in the literature.

how reviews work

0 comments
Cite this review

Pith. "Pith review of Form factors for semileptonic B(s) -> D*(s) l nu_l decays." pith.science (2026). https://pith.science/paper/WP2N2UMU

@misc{pith2026241217406,
  author       = {Pith},
  title        = {Pith review of: Form factors for semileptonic B(s) -> D*(s) l nu_l decays},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/WP2N2UMU}},
  note         = {Machine review of arXiv:2412.17406}
}
abstract

Semileptonic $B_{(s)}$ decays are of great phenomenological interest because they allow to extract CKM matrix elements or test lepton flavour universality. Taking advantage of existing data, we explore extracting form factors for vector final states using the narrow width approximation. Based on RBC/UKQCD's set of 2+1 flavour gauge field ensembles with Shamir domain-wall fermion and Iwasaki gauge field action, we study semileptonic $B_{(s)}$ decays using domain-wall fermions for light, strange and charm quarks, whereas bottom quarks are simulated with the relativistic heavy quark (RHQ) action. Exploratory results for $B_s \to D_s^* \ell \nu_\ell$ are presented.

Figures

Figures reproduced from arXiv: 2412.17406 by the authors.

Figure 1
Figure 1. Feynman diagram depicting tree-level semileptonic decays 𝐵(𝑠) → 𝐷 ∗ (𝑠) ℓ𝜈ℓ for a spectator quark 𝑞 = 𝑢/𝑑, 𝑠 and a lepton-neutrino pair with ℓ = 𝑒, 𝜇, 𝜏. 2 [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. Sketch of the quark-line diagrams for the lattice calculation of the 2-point functions describing the 𝐷 ∗ (𝑠) meson (left panel) and the 3-point functions for the 𝐵(𝑠) → 𝐷 ∗ (𝑠) decay (right panel). 𝑡src = 0 and define the 2-point functions as 𝐶 2pt, 𝑗 𝐷∗ (𝑠) (𝑡, 𝑘) = ∑︁ 𝑥® ⟨O 𝑗 𝐷∗ (𝑠) (0®, 0)|O† 𝑗 𝐷∗ (𝑠) (®𝑥, 𝑡)⟩𝑒 i𝑘®· ®𝑥 𝑡 → ∞ −−−−−→ ∑︁ 𝜆 𝜀 𝑗 (𝑘, 𝜆)𝜀 𝑗∗ (𝑘, 𝜆) |𝜅𝐷∗ (𝑠) | 2 2𝐸𝐷∗ (𝑠) 𝑒 −𝐸𝐷∗ (𝑠) 𝑡 , (4) 𝐶 2pt 𝐵(𝑠) (𝑡… view at source ↗
Figure 3
Figure 3. On the left we show the effective energies of the 𝐷 ∗ 𝑠 for different momenta in lattice units as function of the Euclidean time on the F1S ensemble. Ground state fits are indicated by the solid lines with shaded error bands between the vertical dotted lines denoting the fit range. On the right we compare these effective energies to the prediction using the lattice dispersion relation. flavour changing decay by simu… view at source ↗
Figures from the paper (2 more)
Figure 4
Figure 4. Figure 4: The four unrenormalised lattice form factors for different lattice momenta 𝑛 2 of the 𝐷 ∗ 𝑠 as a function of the Euclidean time on the F1S ensemble. Solid lines indicate ground state only fits with uncertainties denoted by coloured bands. Next we proceed to extract the…
Figure 5
Figure 5. Figure 5: The fit results from [PITH_FULL_IMAGE:figures/full_fig_p008_5.png]

Discussion (0). Continue with ORCID to comment.

Reference graph

Works this paper leans on

33 extracted references · 3 canonical work pages

  1. [26]

    RBC/UKQCD collaboration, J. M. Flynn, R. C. Hill, A. Jüttner, A. Soni, J. T. Tsang and O. Witzel,Exclusive semileptonic𝐵𝑠→𝐾ℓ𝜈 decays on the lattice, Phys. Rev. D107 (2023) 114512 [arXiv:2303.11280]. 10 Form factors for semileptonic𝐵(𝑠)→𝐷∗ (𝑠)ℓ𝜈ℓ decays Anastasia Boushmelev

    arXiv 2023

  2. [1]

    Navas et al.,Review of particle physics, Phys

    Particle Data Group collaboration, S. Navas et al.,Review of particle physics, Phys. Rev. D 110 (2024) 030001

    2024

  3. [2]

    HFLAV: Heavy Flavor Averaging Group,Average of𝑅(𝐷) and𝑅(𝐷∗) for spring 2024,

    work page 2024

  4. [3]

    Aubert et al.,Determination of the form-factors for the decay 𝐵0→𝐷∗−ℓ+𝜈𝑙 and of the CKM matrix element|𝑉𝑐𝑏|, Phys

    BaBar collaboration, B. Aubert et al.,Determination of the form-factors for the decay 𝐵0→𝐷∗−ℓ+𝜈𝑙 and of the CKM matrix element|𝑉𝑐𝑏|, Phys. Rev. D77 (2008) 032002 [arXiv:0705.4008]

    arXiv 2008

  5. [4]

    Aubert et al.,A Measurement of the branching fractions of exclusive ¯𝐵→𝐷(∗) (𝜋)ℓ− ¯𝜈ℓ decays in events with a fully reconstructed𝐵 meson, Phys

    BaBar collaboration, B. Aubert et al.,A Measurement of the branching fractions of exclusive ¯𝐵→𝐷(∗) (𝜋)ℓ− ¯𝜈ℓ decays in events with a fully reconstructed𝐵 meson, Phys. Rev. Lett.100 (2008) 151802 [arXiv:0712.3503]

    arXiv 2008

  6. [5]

    Waheed et al.,Measurement of the CKM matrix element|𝑉𝑐𝑏| from 𝐵0→𝐷∗−ℓ+𝜈ℓ at Belle, Phys

    Belle collaboration, E. Waheed et al.,Measurement of the CKM matrix element|𝑉𝑐𝑏| from 𝐵0→𝐷∗−ℓ+𝜈ℓ at Belle, Phys. Rev. D100 (2019) 052007 [arXiv:1809.03290], [Erratum: Phys.Rev.D 103, 079901 (2021)]

    arXiv 2019

  7. [6]

    Caria et al.,Measurement ofR(𝐷) andR(𝐷∗) with a semileptonic tagging method, Phys

    Belle collaboration, G. Caria et al.,Measurement ofR(𝐷) andR(𝐷∗) with a semileptonic tagging method, Phys. Rev. Lett.124 (2020) 161803 [arXiv:1910.05864]

    arXiv 2020

  8. [7]

    Studies of the semileptonic $\bar B^0\to D^{*+}\ell^-\bar\nu_\ell$ and $B^-\to D^{0}\ell^-\bar\nu_\ell$ decay processes with 34.6 fb$^{-1}$ of Belle II data

    Belle-II collaboration, F. Abudinén et al.,Studies of the semileptonic¯𝐵0→𝐷∗+ℓ− ¯𝜈ℓ and 𝐵−→𝐷0ℓ− ¯𝜈ℓ decay processes with 34.6 fb−1 of Belle II data, arXiv:2008.07198

    work page Pith review arXiv 2008

Show all 33 references
  1. [8]

    Abudinén et al.,Measurement of the semileptonic¯𝐵0→𝐷∗+ℓ−𝜈ℓ branching fraction with fully reconstructed𝐵 meson decays and 34.6 fb−1of Belle II data, arXiv:2008.10299

    Belle-II collaboration, F. Abudinén et al.,Measurement of the semileptonic¯𝐵0→𝐷∗+ℓ−𝜈ℓ branching fraction with fully reconstructed𝐵 meson decays and 34.6 fb−1of Belle II data, arXiv:2008.10299

    2008 arXiv

  2. [9]

    Aaij et al.,Measurement of the ratio of branching fractions B( ¯𝐵0→𝐷∗+𝜏− ¯𝜈𝜏)/B( ¯𝐵0→𝐷∗+𝜇− ¯𝜈𝜇), Phys

    LHCb collaboration, R. Aaij et al.,Measurement of the ratio of branching fractions B( ¯𝐵0→𝐷∗+𝜏− ¯𝜈𝜏)/B( ¯𝐵0→𝐷∗+𝜇− ¯𝜈𝜇), Phys. Rev. Lett.115 (2015) 111803 [arXiv:1506.08614], [Erratum: Phys.Rev.Lett. 115, 159901 (2015)]

    2015

  3. [10]

    Aaij et al.,Measurement of the ratio of the𝐵0→𝐷∗−𝜏+𝜈𝜏 and 𝐵0→𝐷∗−𝜇+𝜈𝜇 branching fractions using three-prong𝜏-lepton decays, Phys

    LHCb collaboration, R. Aaij et al.,Measurement of the ratio of the𝐵0→𝐷∗−𝜏+𝜈𝜏 and 𝐵0→𝐷∗−𝜇+𝜈𝜇 branching fractions using three-prong𝜏-lepton decays, Phys. Rev. Lett.120 (2018) 171802 [arXiv:1708.08856]

    2018 arXiv

  4. [11]

    Aaij et al.,Observation of the decayΛ0 𝑏→Λ+ 𝑐𝜏−𝜈𝜏, Phys

    LHCb collaboration, R. Aaij et al.,Observation of the decayΛ0 𝑏→Λ+ 𝑐𝜏−𝜈𝜏, Phys. Rev. Lett. 128 (2022) 191803 [arXiv:2201.03497]

    2022

  5. [12]

    Bazavov et al., Semileptonic form factors for𝐵→𝐷∗ℓ𝜈 at nonzero recoil from2+ 1-flavor lattice QCD: Fermilab Lattice and MILC Collaborations, Eur

    Fermilab Lattice, MILC, Fermilab Lattice, MILC collaboration, A. Bazavov et al., Semileptonic form factors for𝐵→𝐷∗ℓ𝜈 at nonzero recoil from2+ 1-flavor lattice QCD: Fermilab Lattice and MILC Collaborations, Eur. Phys. J. C82(2022) 1141 [arXiv:2105.14019], [Erratum: Eur.Phys.J.C...

    2022 arXiv

  6. [13]

    JLQCD collaboration, Y. Aoki, B. Colquhoun, H. Fukaya, S. Hashimoto, T. Kaneko, R. Kellermann et al.,B→D*ℓ𝜈ℓ semileptonic form factors from lattice QCD with Möbius domain-wall quarks, Phys. Rev. D109 (2024) 074503 [arXiv:2306.05657]

    2024 arXiv

  7. [14]

    Harrison and C

    HPQCD collaboration, J. Harrison and C. T. H. Davies,𝐵→𝐷∗ and𝐵𝑠→𝐷∗ 𝑠 vector, axial-vector and tensor form factors for the full𝑞2 range from lattice QCD, Phys. Rev. D109 (2024) 094515 [arXiv:2304.03137]

    2024 arXiv

  8. [15]

    Harrison and C

    HPQCD collaboration, J. Harrison and C. T. H. Davies,𝐵𝑠→𝐷∗ 𝑠 form factors for the full𝑞2 range from lattice QCD, Phys. Rev. D105(2022) 094506 [arXiv:2105.11433]

    2022 arXiv

  9. [16]

    Bordone and A

    M. Bordone and A. Juttner,New strategies for probing𝐵→𝐷∗ℓ ¯𝜈ℓ lattice and experimental data, arXiv:2406.10074

    arXiv

  10. [17]

    Martinelli, S

    G. Martinelli, S. Simula and L. Vittorio,Updates on the determination of|𝑉𝑐𝑏|,𝑅(𝐷∗) and |𝑉𝑢𝑏|/|𝑉𝑐𝑏|, Eur. Phys. J. C84(2024) 400 [arXiv:2310.03680]

    2024 arXiv

  11. [18]

    Hashimoto, A

    S. Hashimoto, A. X. El-Khadra, A. S. Kronfeld, P. B. Mackenzie, S. M. Ryan and J. N. Simone, Lattice QCD calculation of¯𝐵→𝐷𝑙 ¯𝜈 decay form-factors at zero recoil, Phys. Rev. D 61(1999) 014502 [arXiv:hep-ph/9906376]

    1999 arXiv

  12. [19]

    A. X. El-Khadra, A. S. Kronfeld, P. B. Mackenzie, S. M. Ryan and J. N. Simone,The Semileptonic decays𝐵→𝜋𝑙𝜈 and𝐷→𝜋𝑙𝜈 from lattice QCD, Phys. Rev. D64 (2001) 014502 [arXiv:hep-ph/0101023]

    2001 arXiv

  13. [20]

    Shamir,Chiral fermions from lattice boundaries, Nucl

    Y. Shamir,Chiral fermions from lattice boundaries, Nucl. Phys.B406(1993) 90 [arXiv:hep-lat/9303005]

    1993 arXiv

  14. [21]

    Furman and Y

    V. Furman and Y. Shamir,Axial symmetries in lattice QCD with Kaplan fermions, Nucl. Phys.B439(1995) 54 [arXiv:hep-lat/9405004]

    1995 arXiv

  15. [22]

    Y.-G. Cho, S. Hashimoto, A. Jüttner, T. Kaneko, M. Marinkovic, J.-I. Noaki et al.,Improved lattice fermion action for heavy quarks, JHEP05 (2015) 072 [arXiv:1504.01630]

    2015 arXiv

  16. [23]

    Boyle, A

    RBC/UKQCD collaboration, P. Boyle, A. Jüttner, M. K. Marinkovic, F. Sanfilippo, M. Spraggs and J. T. Tsang,An exploratory study of heavy domain wall fermions on the lattice, JHEP04(2016) 037 [arXiv:1602.04118]

    2016 arXiv

  17. [24]

    N. H. Christ, M. Li and H.-W. Lin,Relativistic Heavy Quark Effective Action, Phys. Rev. D 76 (2007) 074505 [arXiv:hep-lat/0608006]

    2007 arXiv

  18. [25]

    Lin and N

    H.-W. Lin and N. Christ,Non-perturbatively determined relativistic heavy quark action, Phys.Rev.D76 (2007) 074506 [arXiv:hep-lat/0608005]

    2007 arXiv

  19. [27]

    SciDAC, LHPC and UKQCD collaboration, R. G. Edwards and B. Joo,The Chroma software system for lattice QCD, Nucl.Phys.Proc.Suppl.140 (2005) 832 [arXiv:hep-lat/0409003], https://github.com/JeffersonLab/chroma

    2005 arXiv

  20. [28]

    Allton et al.,Physical Results from 2+1 Flavor Domain Wall QCD and SU(2) Chiral Perturbation Theory, Phys

    RBC/UKQCD collaboration, C. Allton et al.,Physical Results from 2+1 Flavor Domain Wall QCD and SU(2) Chiral Perturbation Theory, Phys. Rev.D78 (2008) 114509 [arXiv:0804.0473]

    2008 arXiv

  21. [29]

    Aoki et al.,Continuum Limit Physics from 2+1 Flavor Domain Wall QCD, Phys.Rev.D83 (2011) 074508 [arXiv:1011.0892]

    RBC/UKQCD collaboration, Y. Aoki et al.,Continuum Limit Physics from 2+1 Flavor Domain Wall QCD, Phys.Rev.D83 (2011) 074508 [arXiv:1011.0892]

    2011 arXiv

  22. [30]

    Blum et al.,Domain wall QCD with physical quark masses, Phys

    RBC/UKQCD collaboration, T. Blum et al.,Domain wall QCD with physical quark masses, Phys. Rev.D93 (2016) 074505 [arXiv:1411.7017]

    2016 arXiv

  23. [31]

    RBC/UKQCD collaboration, P. A. Boyle, L. Del Debbio, A. Jüttner, A. Khamseh, F. Sanfilippo and J. T. Tsang,The decay constants𝑓𝐷 and 𝑓𝐷𝑠 in the continuum limit of 𝑁𝑓 = 2+ 1 domain wall lattice QCD, JHEP12(2017) 008 [arXiv:1701.02644]

    2017 arXiv

  24. [32]

    A.Boyle, L.Del Debbio, N.Garron, A

    RBC/UKQCDcollaboration, P. A.Boyle, L.Del Debbio, N.Garron, A. Jüttner, A.Soni, J.T. Tsang et al.,SU(3)-breaking ratios for𝐷(𝑠) and𝐵(𝑠) mesons, arXiv:1812.08791. 11

    arXiv

  25. [2024]

    https://hflav-eos.web.cern.ch/hflav-eos/semi/moriond24/html/ RDsDsstar/RDRDs.html

Pith tools

Reviewed August 11, 2026 · model on record in the stance chip above.