Výsledky vyhledávání - "Cooke, A. N."

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Patterns of flavour symmetry breaking in hadron matrix elements involving u, d and s quarks

Autor: Bickerton, J. M., Cooke, A. N., Horsley, R., Nakamura, Y., Perlt, H., Pleiter, D., Rakow, P. E. L., Schierholz, G., Stüben, H., Young, R. D., Zanotti, J. M.

Using an SU(3)-flavour symmetry breaking expansion between the strange and light quark masses, we determine how this constrains the extrapolation of baryon octet matrix elements and form factors. In particular we can construct certain combinations, w

Externí odkaz: http://arxiv.org/abs/2112.04445

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Akademický článek

Boy v. man: The role of perception and the attribution of blame in court proceedings

Autor: Cooke, LaNina N.

Publikováno v: In Heliyon July 2023 9(7)

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Akademický článek

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SU(3) breaking in hyperon transition vector form factors

Autor: Shanahan, P. E., Cooke, A. N., Horsley, R., Nakamura, Y., Rakow, P. E. L., Schierholz, G., Thomas, A. W., Young, R. D., Zanotti, J. M.

Publikováno v: Phys. Rev. D 92, 074029 (2015)

We present a calculation of the SU(3)-breaking corrections to the hyperon transition vector form factors to $\mathcal{O}(p^4)$ in heavy baryon chiral perturbation theory with finite-range regularisation. Both octet and decuplet degrees of freedom are

Externí odkaz: http://arxiv.org/abs/1508.06923

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SU(3) flavour breaking and baryon structure

Autor: Cooke, A. N., Horsley, R., Nakamura, Y., Pleiter, D., Rakow, P. E. L., Shanahan, P., Schierholz, G., Stüben, H., Zanotti, J. M.

Publikováno v: PoS(LATTICE 2013)278

We present results from the QCDSF/UKQCD collaboration for hyperon electromagnetic form factors and axial charges obtained from simulations using Nf=2+1 flavours of O(a)-improved Wilson fermions. We also consider matrix elements relevant for hyperon s

Externí odkaz: http://arxiv.org/abs/1311.4916

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The effects of flavour symmetry breaking on hadron matrix elements

Autor: Cooke, A. N., Horsley, R., Nakamura, Y., Pleiter, D., Rakow, P. E. L., Schierholz, G., Zanotti, J. M.

By considering a flavour expansion about the SU(3)-flavour symmetric point, we investigate how flavour-blindness constrains octet baryon matrix elements after SU(3) is broken by the mass difference between the strange and light quarks. We find the ex

Externí odkaz: http://arxiv.org/abs/1212.2564

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