Evaluating Sea Quark Contributions to Flavour-Singlet Operators in Lattice QCD

Autor: SESAM-Collaboration, Eicker, N., Glässner, U., Hoeber, S. Güsken H., Lippert, Th., Ritzenhöfer, G., Schilling, K., Spitz, G. Siegert A., Ueberholz, P., Viehoff, J.

Publikováno v: Phys.Lett. B389 (1996) 720-726

In a full QCD lattice study with $N_f = 2$ Wilson fermions, we seek to optimize the signals for the disconnected contributions to the matrix element of flavour-singlet operators between nucleon states, which are indicative for sea quark effects. We d

Externí odkaz: http://arxiv.org/abs/hep-lat/9608040

Meson spectroscopy and decay constants with Wilson fermions at β = 6.4

Autor: S. Güsken, J. Galand, C.T. Sachrajda, M. Crisafulli, Asmaa Abada, D.B. Carpenter, Rainer Sommer, G. Martinelli, K. Schilling, R. Sarno, Ph. Boucaud, O. Pène, C.R. Allton

Publikováno v: Nuclear Physics B. 376:172-198

We present an extensive lattice study of the physical properties of mesons, composed of a heavy, H, and a light, q, quark, at β = 6.4 on a 243 × 60 lattice, using the Wilson action in the quenched approximation. We have studied the mass spectrum an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f7ccb71b250667749d2d26a861c7996
https://doi.org/10.1016/0550-3213(92)90073-k

Bottomonium from NRQCD with Dynamical Wilson Fermions

Autor: N. Eicker, J. Fingberg, S. Güsken, H. Hoeber, Th. Lippert, K. Schilling, A. Spitz, J. Viehoff

We present results for the b \bar b spectrum obtained using an O(M_bv^6)-correct non-relativistic lattice QCD action. Propagators are evaluated on SESAM's three sets of dynamical gauge configurations generated with two flavours of Wilson fermions at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::905f274d9c02797d04fa54a7b378aca3
http://arxiv.org/abs/hep-lat/9709138

Semi-leptonic Decays of Heavy Flavours on a Fine Grained Lattice

Autor: As. Abada, C.R. Allton, Ph. Boucaud, D.B. Carpenter, M. Crisafulli, S. Güsken, P. Hernandez, V. Lubicz, G. Martinelli, O. Pène, C.T. Sachrajda, K. Schilling, G. Siegert, R. Sommer

Publikováno v: Abada, Asmaa Allton, C.R. Boucaud, Ph. Carpenter, D.B. Crisafulli, M. Güsken, S. Hernández Gamazo, Pilar Lubicz, V. Martinelli, Guido Pène, Olivier Sachrajda, Christopher T. Schilling, K. Siegert, G. Sommer, R. 1994 Semi-leptonic decays of heavy flavours on a fine grained lattice Nuclear Physics B 416 2 675 695
RODERIC. Repositorio Institucional de la Universitat de Valéncia
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We present the results of a numerical calculation of semi-leptonic form factors relevant for heavy flavour meson decays into light mesons, at $\beta=6.4$ on a $24^3 \times 60$ lattice, using the Wilson action in the quenched approximation. We obtain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ea9f7d768255912ae150a6c232c82e1

Exploring hadron masses in lattice QCD with light quarks and an improved fermion action

Autor: K. Schilling, K.H. Mütter, Rajan Gupta, Apoorva Patel, S. Güsken, R. Sommer, Ph. de Forcrand

Publikováno v: Physics Letters B. 200:143-148

Hadron masses are computed using quenched Wilson fermions on gauge configurations obtained after blocking 243×48 lattices twice with the √3 block transformation. An improved Wilson fermion action, motivated by a truncated renormalisation group ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a18c27026c8c94cc6427cfb6bc9ed783
https://doi.org/10.1016/0370-2693(88)91126-4