Twisted mass gauge ensembles at physical values of the light, strange and charm quark masses - INSPIRE

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Twisted mass gauge ensembles at physical values of the light, strange and charm quark masses

Jacob Finkenrath
(
- Cyprus Inst.
)
,
Constantia Alexandrou
(
- Cyprus Inst. and
- Cyprus U.
)
,
Simone Bacchio
(
- Cyprus Inst.
)
,
Martha Constantinou
(
- Temple U.
)
,
Petros Dimopoulos
(
- U. Parma (main) and
- INFN, Parma
)

Jan 7, 2022

12 pages

Published in:

PoS LATTICE2021 (2022) 284

Contribution to:

- Lattice 2021
, 284
,
- Lattice 2021

Published: May 16, 2022

e-Print:

2201.02551 [hep-lat]

DOI:

10.22323/1.396.0284

View in:

ADS Abstract Service

reference search18 citations

Citations per year

Abstract: (SISSA)

Lattice QCD simulations directly at physical masses of dynamical light, strange and charm quarks are highly desirable especially to remove systematic errors due to chiral extrapolations. However such simulations are still challenging. We discuss the adaption of efficient algorithms, like multi-grid methods or higher order integrators, within the molecular dynamic steps of the Hybrid Monte Carlo algorithm, that are enabling simulations of a new set of gauge ensembles by the Extended Twisted Mass collaboration (ETMC). We present the status of the on-going ETMC simulation effort that aims to enabling studies of finite size and discretization effects. We work within the twisted mass discretization which is free of odd-discretization effects at maximal twist and present our tuning procedure.

Note:

12 pages, 12 figures, The 38th International Symposium on Lattice Field Theory (LATTICE2021), 26th-30th July, 2021, Zoom/Gather@Massachusetts Institute of Technology

mass: twist
quark: mass
effect: discrete
Monte Carlo: hybrid
charm
lattice field theory
higher-order
chiral
finite size

References(33)

Figures(12)

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)

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Constantia Alexandrou
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)
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)
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)

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(
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)
,
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(
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)
,
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(
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)

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)
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(
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)
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(
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)
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(
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(
- Cyprus Inst.
)
,
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(
- Humboldt U., Berlin
)
,
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(
- U. Bern, AEC
)
,
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(
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,
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(
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)
,
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(
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- DESY, Zeuthen
)
,
B. Kostrzewa
(
- Humboldt U., Berlin and
- NIC, Zeuthen and
- DESY, Zeuthen
)
,
C. Urbach
(
- Bonn U., HISKP
)

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(
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)

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[18]

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Constantia Alexandrou
(
- Cyprus U. and
- Cyprus Inst.
)
,
Simone Bacchio
(
- Cyprus U. and
- Wuppertal U., Dept. Math.
)
,
Jacob Finkenrath
(
- Cyprus Inst.
)

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,
Dhiraj D. Kalamkar
(
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)
,
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(
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)
,
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(
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)

et al.

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