## Bc→J/ψ form factors for the full q2 range from lattice QCD

- J. Harrison, C. Davies, A. Lytle
- PhysicsPhysical Review D
- 14 July 2020

We present the first lattice QCD determination of the $B_c \rightarrow J/\psi$ vector and axial-vector form factors. These will enable experimental information on the rate for $B_c$ semileptonic… Expand

## Lattice QCD calculation of the B ð s Þ → D ð s Þ l ν form factors at zero recoil and implications for j Vcb j

- J. Harrison, C. Davies, M. Wingate
- Physics
- 2018

We present results of a lattice QCD calculation of B → D and Bs → D s axial vector matrix elements with both states at rest. These zero recoil matrix elements provide the normalization necessary to… Expand

## Bc→Bs(d) form factors from lattice QCD

- Laurence J. Cooper, C. Davies, J. Harrison, J. Komijani, M. Wingate
- PhysicsPhysical Review D
- 1 July 2020

We present results of the first lattice QCD calculations of
B
c
→
B
s
and
B
c
→
B
d
weak matrix elements. Form factors across the entire physical
q
2
range are then extracted and… Expand

## J/ψ`ν` Lepton Flavor Universality Violating Observables from Lattice QCD

- J. Harrison, C. Davies, A. Lytle
- Physics
- 2020

Judd Harrison, a Christine T. H. Davies, b and Andrew Lytle (HPQCD Collaboration) SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK INFN, Sezione di Roma Tor Vergata,… Expand

## Lattice QCD calculation of the ${{B}_{(s)}\to D_{(s)}^{*}\ell{\nu}}$ form factors at zero recoil and implications for ${|V_{cb}|}$

- J. Harrison, C. Davies, M. Wingate
- Physics
- 29 November 2017

We present results of a lattice QCD calculation of B → D and Bs → D
s axial vector matrix elements
with both states at rest. These zero recoil matrix elements provide the normalization necessary to… Expand

## R(J/ψ) and B_{c}^{-}→J/ψℓ^{-}ν[over ¯]_{l} Lepton Flavor Universality Violating Observables from Lattice QCD.

- J. Harrison, C. Davies, A. Lytle
- PhysicsPhysical Review Letters
- 24 November 2020

We use our lattice QCD computation of the B_{c}→J/ψ form factors to determine the differential decay rate for the semitauonic decay channel and construct the ratio of branching fractions… Expand

## Lattice QCD Matrix Elements for the B 0 s − ¯ B 0 s Width Difference beyond Leading Order

- C. Davies, J. Harrison, G. Lepage, C. Monahan, J. Shigemitsu, M. Wingate
- Physics
- 2020

Predicting the B 0 s − ¯ B 0 s width difference ΔΓ s relies on the heavy quark expansion and on hadronic matrix elements of Δ B ¼ 2 operators. We present the first lattice QCD results for matrix… Expand

## Improving the theoretical prediction for the Bs - B̅s width difference: matrix elements of next-to-leading order ΔB = 2 operators

- C. Davies, J. Harrison, G. Lepage, C. Monahan, J. Shigemitsu, M. Wingate
- Physics
- 28 December 2017

We present lattice QCD results for the matrix elements of R 2 and other dimension-7, Δ B = 2 operators relevant for calculations of Δ s , the B s - B s width difference. We have computed correlation… Expand

## from the B̄ 0 → D ∗ + ` − ν̄ zero-recoil form factor using 2 + 1 + 1 flavour HISQ and NRQCD

- J. Harrison, C. Davies
- Physics
- 2017

We present the status of our ongoing calculation of the zero-recoil form factor for the semileptonic decay B̄0→ D∗+l−ν̄ using lattice QCD with 2+1+1 flavours of highly improved staggered quarks in… Expand

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