96 citations · 390 across the 20 of their papers we have counts for
22 papers
A novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +7
SU(3) gauge theories with increasing number of light fermions are the templates of strongly interacting sectors and studying their low-energy dynamics and spectrum is important, bo…
Flavor-singlet spectrum in multi-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
Studying SU(3) gauge theories with increasing number of light fermions is relevant both for understanding the strong dynamics of QCD and for constructing strongly interacting exten…
Light flavor-singlet scalars and walking signals in QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
Based on the highly improved staggered quark action, we perform lattice simulations of QCD and confirm our previous observation of a flavor-singlet scalar meson (denoted as…
S-parameter and vector decay constant in QCD with eight fundamental fermions
LatKMI collaboration, Yasumichi Aoki, Tatsumi Aoyama +10
SU(3) gauge theory with eight massless fundamental fermions seems to be near the conformal boundary, and is a candidate theory of walking technicolor. Along the series of study by…
Topological observables in many-flavour QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
SU(3) gauge theory with eight massless flavours is believed to be walking, while the corresponding twelve- and four-flavour appear IR-conformal and confining respectively. Looking…
Walking and conformal dynamics in many-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
In the search for a realistic walking technicolor model, QCD with many flavors is an attractive candidate. From the series of studies by the LatKMI collaboration, we present update…
SU(3) gauge theory with four degenerate fundamental fermions on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
As a part of the project studying large QCD, the LatKMI Collaboration has been investigating the SU(3) gauge theory with four fundamental fermions (four-flavor QCD). The main…
Lattice study of the scalar and baryon spectra in many-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
In the search for a composite Higgs boson in walking technicolor models, many flavor QCD, in particular with , is an attractive candidate, and has been found to have a compo…
Topological insights in many-flavor QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
LatKMI Collaboration discusses the topological insights in many-flavor QCD on the lattice. We explore walking/conformal/confining phase in = 4, 8 and 12 (in particul…
Conformality in twelve-flavour QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
The spectrum of twelve-flavor QCD has been studied in details by the LatKMI collaboration. In this proceeding we present our updated results for the spectrum obtained with the HISQ…
Composite flavor-singlet scalar in twelve-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +8
We report the calculation of the flavor-singlet scalar in the SU(3) gauge theory with the degenerate twelve fermions in the fundamental representation using a HISQ-type action at a…
Gluonic observables and the scalar spectrum of twelve-flavour QCD
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +8
We measure glueball masses and the string tension in twelve-flavour QCD, aiming at comparing the emerging gluonic spectrum to the mesonic one. When approaching the critical surface…
A light composite scalar in eight-flavor QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +8
In search for a composite Higgs boson (techni-dilaton) in the walking technicolor, we present our preliminary results on the first observation of a light flavor-singlet scalar in a…
Light composite scalar in twelve-flavor QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +7
Based on lattice simulations using highly improved staggered quarks for twelve-flavor QCD with several bare fermion masses, we observe a flavor-singlet scalar state lighter than th…
The scalar spectrum of many-flavour QCD
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +7
The LatKMI collaboration is studying systematically the dynamical properties of N_f = 4,8,12,16 SU(3) gauge theories using lattice simulations with (HISQ) staggered fermions. Explo…
Walking signals in Nf=8 QCD on the lattice
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We investigate chiral and conformal properties of the lattice QCD with eight flavors (Nf=8) through meson spectrum using the Highly Improved Staggered Quark (HISQ) action. We also…
Exploring walking behavior in SU(3) gauge theory with 4 and 8 HISQ quarks
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We present the report of the LatKMI collaboration on the lattice QCD simulation for the cases of 4 and 8 flavors. The Nf=8 in particular is interesting from the model-building poin…
Low energy spectra in many flavor QCD with Nf=12 and 16
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We present our result of the many-flavor QCD. Information of the phase structure of many-flavor SU(3) gauge theory is of great interest, since the gauge theories with the walking b…
Lattice study of conformality in twelve-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We study infrared conformality of the twelve-flavor QCD on the lattice. Utilizing the highly improved staggered quarks (HISQ) type action which is useful to study the continuum phy…
Many flavor QCD with N_f=12 and 16
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
Information of the phase structure of many flavor SU(3) gauge theory is of great interest for finding a theory which dynamically breaks the electro-weak symmetry. We study the SU(3…
Many flavor QCD as exploration of the walking behavior with the approximate IR fixed point
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We present the first report of the LatKMI collaboration on the the lattice QCD simulation performed at the KMI computer, "", for the cases of 4 flavors and 8 flavors, the latter…
Study of the conformal hyperscaling relation through the Schwinger-Dyson equation
Yasumichi Aoki, Tatsumi Aoyama, Masafumi Kurachi +6
We study corrections to the conformal hyperscaling relation in the conformal window of the large Nf QCD by using the ladder Schwinger-Dyson (SD) equation as a concrete dynamical mo…