Static-light meson masses from twisted mass lattice QCD

نویسندگان

  • Karl Jansen
  • Chris Michael
  • Andrea Shindler
  • Marc Wagner
چکیده

We compute the static-light meson spectrum using two-flavor Wilson twisted mass lattice QCD. We have considered five different values for the light quark mass corresponding to 300 MeV < ∼ m PS < ∼ 600 MeV. We have extrapolated our results, to make predictions regarding the spectrum of B and B s mesons.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

The static-light meson spectrum from twisted mass lattice QCD

We compute the static-light meson spectrum with Nf = 2 flavours of sea quarks using Wilson twisted mass lattice QCD. We consider five different values for the light quark mass corresponding to 300MeV ∼mPS ∼ 600MeV and we present results for angular momentum j = 1/2, j = 3/2 and j = 5/2 and for parity P = + and P = −. We extrapolate our results to physical quark masses and make predictions regar...

متن کامل

The η ′ meson from lattice QCD

We study the flavour singlet pseudoscalar mesons from first principles using lattice QCD. With Nf = 2 flavours of light quark, this is the socalled η2 meson and we discuss the phenomenological status of this. Using maximally twisted-mass lattice QCD, we extract the mass of the η2 meson at two values of the lattice spacing for lighter quarks than previously discussed in the literature. We are ab...

متن کامل

The continuum limit of the static - light meson spectrum

We investigate the continuum limit of the low lying static-light meson spectrum using Wilson twisted mass lattice QCD with Nf = 2 dynamical quark flavours. We consider three values of the lattice spacing a ≈ 0.051 fm , 0.064 fm , 0.080 fm and various values of the pion mass in the range 280MeV ∼mPS ∼ 640MeV. We present results in the continuum limit for light cloud angular momentum j = 1/2 , 3/...

متن کامل

2 1 M ar 2 01 6 The continuum limit of the D meson , D s meson and charmonium spectrum from N f = 2 + 1 + 1 twisted mass lattice QCD

We compute masses of D meson, Ds meson and charmonium states using Nf = 2 + 1 + 1 Wilson twisted mass lattice QCD. All results are extrapolated to physical light quark masses, physical strange and charm quark masses and to the continuum. Our analysis includes states with spin J = 0, 1, 2, parity P = −,+ and in case of charmonium also charge conjugation C = −,+. Computations are based on a large...

متن کامل

The spectrum of static-light baryons in twisted mass lattice QCD

We compute the static-light baryon spectrum with N f = 2 flavors of sea quarks using Wilson twisted mass lattice QCD. As light valence quarks we consider quarks, which have the same mass as the sea quarks with corresponding pion masses in the range 340MeV∼mPS ∼525MeV, as well as partially quenched quarks, which have the mass of the physical s quark. We extract masses of states with isospin I = ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2008