Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Lujan, Michael"'
Publikováno v:
Phys. Rev. D 104, 014510 (2021)
We present a calculation of the charged pion electric polarizability using the background field method. To extract the mass-shift induced by the electric field for the accelerated charged particle we fit the lattice QCD correlators using correlators
Externí odkaz:
http://arxiv.org/abs/2105.06906
Electromagnetic polarizabilities are important parameters for understanding the interaction between photons and hadrons. For pions these quantities are poorly constrained experimentally since they can only be measured indirectly. New experiments at C
Externí odkaz:
http://arxiv.org/abs/1501.06516
Autor:
Yang, Yi-Bo, Chen, Ying, Alexandru, Andrei, Dong, Shao-Jing, Draper, Terrence, Gong, Ming, Lee, Frank X., Li, Anyi, Liu, Keh-Fei, Liu, Zhaofeng, Lujan, Michael
Publikováno v:
Phys. Rev. D 92, 034517 (2015)
We use overlap fermions as valence quarks to calculate meson masses in a wide quark mass range on the $2+1$-flavor domain-wall fermion gauge configurations generated by the RBC and UKQCD Collaborations. The well-defined quark masses in the overlap fe
Externí odkaz:
http://arxiv.org/abs/1410.3343
Publikováno v:
Phys. Rev. D 90, 054507 (2014)
We present a lattice QCD calculation of the polarizability of the neutron and other neutral hadrons that includes the effects of the background field on the sea quarks. This is done by perturbatively reweighting the charges of the sea quarks to coupl
Externí odkaz:
http://arxiv.org/abs/1407.2687
Publikováno v:
Phys. Rev. D 89, 074506 (2014)
We present a valence calculation of the electric polarizability of the neutron, neutral pion, and neutral kaon on two dynamically generated nHYP-clover ensembles. The pion masses for these ensembles are 227(2) MeV and 306(1) MeV, which are the lowest
Externí odkaz:
http://arxiv.org/abs/1402.3025
We present preliminary calculations for the electric polarizability of the neutral pion and neutron on three dynamically generated nHYP-Clover ensembles. We use two different pion masses ($m_{\pi} \simeq 300$ and 220 MeV) to gauge the chiral behavior
Externí odkaz:
http://arxiv.org/abs/1310.4837
Publikováno v:
PoS(Lattice 2012)015
As part of our ongoing lattice study of the electric polarizabilities of hadrons using the background field approach, we use reweighting to examine the effect of the field on the sea quarks. As with other reweighting studies, the chief difficulty lie
Externí odkaz:
http://arxiv.org/abs/1211.5570
Electric polarizability is an important parameter for the internal structure of hadrons. Previous studies of polarizabilities have been done at relatively heavy pion masses, leaving the chiral region largely unexplored. In this report, we use overlap
Externí odkaz:
http://arxiv.org/abs/1111.6288
Lattice QCD calculations were one of the first applications to show the potential of GPUs in the area of high performance computing. Our interest is to find ways to effectively use GPUs for lattice calculations using the overlap operator. The large m
Externí odkaz:
http://arxiv.org/abs/1106.4964
Akademický článek
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