scholarly journals The Lambda parameter and strange quark mass in two-flavor QCD

2013 ◽  
Author(s):  
Patrick Fritzsch
Keyword(s):  
Quark Mass ◽  
Strange Quark ◽  
Strange Quark Mass

scholarly journals Bs → Kℓv form factors with 2+1 flavors

2018 ◽  
Vol 175 ◽  
pp. 13008 ◽  
Author(s):  
Yuzhi Liu ◽  
Jon A. Bailey ◽  
A. Bazavov ◽  
C. Bernard ◽  
C. M. Bouchard ◽  
...  
Keyword(s):  
Quark Mass ◽  
Strange Quark ◽  
Lattice Spacing ◽  
Light Quark ◽  
Form Factors ◽  
Ckm Matrix ◽  
Strange Quark Mass ◽  
Light Quark Mass ◽  
B Quark

Using the MILC 2+1 flavor asqtad quark action ensembles, we are calculating the form factors f0 and f+ for the semileptonic Bs → Kℓv decay. A total of six ensembles with lattice spacing from ≈ 0.12 to 0.06 fm are being used. At the coarsest and finest lattice spacings, the light quark mass m’l is one-tenth the strange quark mass m’s. At the intermediate lattice spacing, the ratio m’l/m’s ranges from 0.05 to 0.2. The valence b quark is treated using the Sheikholeslami-Wohlert Wilson-clover action with the Fermilab interpretation. The other valence quarks use the asqtad action. When combined with (future) measurements from the LHCb and Belle II experiments, these calculations will provide an alternate determination of the CKM matrix element |Vub|.

scholarly journals A determination of the strange quark mass for unquenched clover fermions using the AWI

2005 ◽  
Author(s):  
Roger Horsley ◽  
Meinulf Gockeler ◽  
Alan C. Irving ◽  
Dirk Pleiter ◽  
Paul E.L. Rakow ◽  
...  
Keyword(s):  
Quark Mass ◽  
Strange Quark ◽  
Strange Quark Mass

scholarly journals Rapidly rotating strange stars

2000 ◽  
Vol 177 ◽  
pp. 661-662 ◽  
Author(s):  
D. Gondek-Rosińska ◽  
P. Haensel ◽  
J. L. Zdunik ◽  
E. Gourgoulhon
Keyword(s):  
Kinetic Energy ◽  
Potential Energy ◽  
Quark Mass ◽  
Strange Quark ◽  
Gravitational Potential Energy ◽  
Rapid Rotation ◽  
Strange Stars ◽  
Absolute Value ◽  
Strange Quark Mass ◽  
Global Parameters

AbstractWe study effects of the strange quark mass,ms, and of the QCD interactions, calculated to lowest order inαc, on the rapid rotation of strange stars (SS). The influence of rotation on global parameters of SS is greater than in the case of the neutron stars (NS). We show that independently ofmsandαcthe ratio of the rotational kinetic energy to the absolute value of the gravitational potential energyT/Wfor a rotating SS is significantly higher than for an ordinary NS. This might indicate that rapidly rotating SS could be important sources of gravitational waves.

A lower bound for the strange-quark mass

1982 ◽  
Vol 72 (2) ◽  
pp. 113-124 ◽  
Author(s):  
G. Penso ◽  
C. Verzegnassi
Keyword(s):  
Lower Bound ◽  
Quark Mass ◽  
Strange Quark ◽  
Strange Quark Mass

scholarly journals ON THE QCD SUM RULE DETERMINATION OF THE STRANGE QUARK MASS

2001 ◽  
Vol 16 (supp01b) ◽  
pp. 588-590 ◽  
Author(s):  
NELLO PAVER
Keyword(s):  
Spectral Function ◽  
Quark Mass ◽  
Strange Quark ◽  
Sum Rules ◽  
Sum Rule ◽  
Strange Quark Mass ◽  
Current Quark Mass ◽  
Current Quark

I briefly review recent QCD Sum Rules determinations of the strange current quark mass, based on the analysis of the two-point ΔS=1 scalar correlators and discuss, in particular, the role of resonances and non-resonant background in the spectral function.

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