Výsledky vyhledávání - "Andrew T. Lytle"

Akademický článek

Neutral kaon mixing beyond the Standard Model with n f = 2 + 1 chiral fermions. Part 2: non perturbative renormalisation of the ΔF = 2 four-quark operators

Autor: The RBC/UKQCD collaboration, Peter A. Boyle, Nicolas Garron, Renwick J. Hudspith, Christoph Lehner, Andrew T. Lytle

Publikováno v: Journal of High Energy Physics, Vol 2017, Iss 10, Pp 1-38 (2017)

Abstract We compute the renormalisation factors (Z-matrices) of the ΔF = 2 four-quark operators needed for Beyond the Standard Model (BSM) kaon mixing. We work with n f = 2+1 flavours of Domain-Wall fermions whose chiral-flavour properties are essen

Externí odkaz: https://doaj.org/article/5ab39425e59845508e4273ea75fa0c72

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$m_c$ (and $m_b$) from lattice QCD

Autor: Andrew T. Lytle

Publikováno v: Proceedings of 10th International Workshop on Charm Physics — PoS(CHARM2020).

Quark mass determinations based on lattice QCD simulations have continued to make strides in recent years. Here I review that progress with a focus on developments computing the charm (and bottom) quark masses since the 2015 edition of CHARM. These a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96fd222f526ef472946376cce39b6070
https://doi.org/10.22323/1.385.0013

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Neutral kaon mixing beyond the Standard Model with n f = 2 + 1 chiral fermions. Part 2: non perturbative renormalisation of the Δ F = 2 four-quark operators

Autor: The RBC/UKQCD collaboration, Peter A. Boyle, Nicolas Garron, Renwick J. Hudspith, Christoph Lehner, Andrew T. Lytle

Publikováno v: Journal of High Energy Physics
Journal of High Energy Physics, Vol 2017, Iss 10, Pp 1-38 (2017)

We compute the renormalisation factors (Z-matrices) of the ΔF = 2 four-quark operators needed for Beyond the Standard Model (BSM) kaon mixing. We work with n f = 2+1 flavours of Domain-Wall fermions whose chiral-flavour properties are essential to m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2392724173662f826093e3b4e4f1ffa9
http://repo.scoap3.org/api

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NPR determination of quark masses from the HISQ action

Autor: Andrew T. Lytle

I report on a calculation of bilinear Z-factors needed for determining Z_m using non-perturbative renormalization (NPR) on n_f=2+1+1 HISQ ensembles. RI/MOM and RI/SMOM schemes are studied. These will provide an independent determination of quark mass

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2eff70ec88b375ca011e82bc6436b630

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Non-perturbative Renormalization for Improved Staggered Bilinears

Autor: Stephen R. Sharpe, Andrew T. Lytle

We apply non-perturbative renormalization to bilinears composed of improved staggered fermions. We explain how to generalize the method to staggered fermions in a way which is consistent with the lattice symmetries, and introduce a new type of lattic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a30242dce7aecff6e1d2642be6f986b6
http://arxiv.org/abs/1306.3881

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