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9 papers · 2 filters
Determination of polarized parton distribution functions and their uncertainties
M. Hirai, S. Kumano, N. Saito
We investigate the polarized parton distribution functions (PDFs) and their uncertainties by using the world data on the spin asymmetry A_1. The uncertainties of the polarized PDFs…
Thermal fluctuations of gauge fields and first order phase transitions in color superconductivity
Taeko Matsuura, Kei Iida, Tetsuo Hatsuda +1
We study the effects of thermal fluctuations of gluons and the diquark pairing field on the superconducting-to-normal state phase transition in a three-flavor color superconductor,…
Sparticle Masses in Product-Group Gauge Theories
Nobuhito Maru, Koichi Yoshioka
In this paper, we investigate a possibility to cause supersymmetry breaking with background modulus fields in product-group gauge theories. The vacuum expectation values of these m…
Color Ferromagnetism of Quark Matter and Quantum Hall States of Gluons in SU(3) Gauge Theory
A. Iwazaki, O. Morimatsu, T. Nishikawa +1
We show a possibility that a color ferromagnetic state exists in SU(3) gauge theory of quark matter with two flavors. Although the state involves three types of unstable modes of g…
Proposal for Generic Size of Large Extra Dimensions
Satoshi Matsuda, Shigenori Seki
In order to resolve the hierarchy problem, large extra dimensions have been introduced, and it has been suggested that the size of extra dimensions is sub-millimeter. On the other…
Linking the chiral and deconfinement phase transitions
Yoshitaka Hatta, Kenji Fukushima
We show that the electric glueball becomes critical at the end-point of the deconfinement phase transition in finite temperature QCD. Based on this observation and existing lattice…