%0 Journal Article %1 Farchioni:2008na %A Farchioni, Federico %A others, %D 2008 %K Nf1QCD Spectrum %T Hadron spectrum of QCD with one quark flavor %U http://www.slac.stanford.edu/spires/find/hep/www?eprint=arXiv:0810.0161 %X The latest results of an ongoing project for the lattice simulation of QCD with a single quark flavor are presented. The Symanzik tree-level-improved Wilson action is adopted in the gauge sector and the (unimproved) Wilson action for the fermion. Results from new simulations with one step of Stout-smearing (rho=0.15) in the fermion action are discussed. The one-flavor theory is simulated by a polynomial hybrid Monte Carlo algorithm (PHMC) at beta=4.0 corresponding to a = 0.13fm, on 16^3x32 and 24^3x48 lattices; the box-size is L = 2.1fm and L = 3.1fm, respectively. At the lightest simulated quark mass the (partially quenched) pion mass is ~300 MeV. The masses of the lightest bound states are computed, including the flavor singlet scalar and pseudoscalar mesons sigma_s and eta_s, the scalar glueball 0^++, and the Delta^++ baryon. Relics of SUSY in the mass spectrum, expected from a large N_c orientifold equivalence with the N=1 supersymmetric Yang-Mills theory, are discussed.

@article{Farchioni:2008na, abstract = {The latest results of an ongoing project for the lattice simulation of QCD with a single quark flavor are presented. The Symanzik tree-level-improved Wilson action is adopted in the gauge sector and the (unimproved) Wilson action for the fermion. Results from new simulations with one step of Stout-smearing (rho=0.15) in the fermion action are discussed. The one-flavor theory is simulated by a polynomial hybrid Monte Carlo algorithm (PHMC) at beta=4.0 corresponding to a = 0.13fm, on 16^3x32 and 24^3x48 lattices; the box-size is L = 2.1fm and L = 3.1fm, respectively. At the lightest simulated quark mass the (partially quenched) pion mass is ~300 MeV. The masses of the lightest bound states are computed, including the flavor singlet scalar and pseudoscalar mesons sigma_s and eta_s, the scalar glueball 0^++, and the Delta^++ baryon. Relics of SUSY in the mass spectrum, expected from a large N_c orientifold equivalence with the N=1 supersymmetric Yang-Mills theory, are discussed. }, added-at = {2009-10-19T17:07:04.000+0200}, archiveprefix = {arXiv}, author = {Farchioni, Federico and others}, biburl = {https://www.bibsonomy.org/bibtex/2be172906eef1d8ee08e497d4021dbe67/gber}, description = {SPIRES-HEP: FIND EPRINT ARXIV:0810.0161}, eprint = {0810.0161}, interhash = {ed0a4b373edc3d979f3993dede0a03ab}, intrahash = {be172906eef1d8ee08e497d4021dbe67}, keywords = {Nf1QCD Spectrum}, primaryclass = {hep-lat}, slaccitation = {%%CITATION = 0810.0161;%%}, timestamp = {2009-10-19T17:07:04.000+0200}, title = {{Hadron spectrum of QCD with one quark flavor}}, url = {http://www.slac.stanford.edu/spires/find/hep/www?eprint=arXiv:0810.0161}, year = 2008 }