نتایج جستجو برای: ū

تعداد نتایج: 280  

2005
Marin K. Clark John W. M. Bush Leigh H. Royden

S U M M A R Y Dynamic stresses developed in the deep crust as a consequence of flow of weak lower crust may explain anomalously high topography and extensional structures localized along orogenic plateau margins. With lubrication equations commonly used to describe viscous flow in a thin-gap geometry, we model dynamic stresses associated with the obstruction of lower crustal channel flow due to...

2004
Patricia Ball

Do you know that CP violation is intrinsically linked to the scalar sector of the Standard Model and its extensions? If yes, you need read no further — if no, you may turn over the titlepage and start reading now. It is difficult to do justice to a topic as vast and complex as CP-violation in a 30-minutes conference talk — and even more so in a 8-pages contribution to the proceedings. Well, pra...

2002
Naoyuki Haba Nobuhito Maru

We discuss the decoupling solution to SUSY flavor problem in the fat brane scenario. We present a simple model to yield the decoupling sfermion spectrum in a five dimensional theory. Sfermion masses are generated by the overlap between the wave functions of the matter fields and the chiral superfields on the SUSY breaking brane. Two explicit examples of the spectrum are given. In building model...

2005
M. Consoli

A new ether-drift experiment in Düsseldorf is currently measuring the relative frequency shift of two cryogenic optical resonators upon active rotations of the apparatus. I point out that the observed fractional amplitude of the sidereal variations of the signal in February, Csid ∼ (11 ± 2) · 10, is entirely consistent with the expectations based on Miller’s observations in the same epoch of th...

1995
X. Artru

The specificities of transverse polarization with respect to helicity of ultrarelativistic fermions are pointed out. For massless fermions, a covariant transversity four-vector is defined, up to a kind of gauge transformation. The tranversity distribution of quarks in a nucleon is defined. Its possible connection to the magnetic or electric dipole moment of the baryon is conjectured. Consequenc...

2000
Elliot Leader Aleksander V. Sidorov

Motivated by the possibility that it may be misleading to assume SU(3) symmetry in the analysis of hyperon β-decays, we study the sensitivity of the polarized parton densities, derived from the world data on inclusive polarized deep inelastic lepton-nucleon scattering, to variation of the value of the nonsinglet axial charge a8 from its SU(3) value of 3F-D. Our most precise knowledge of the int...

2008
PAUL H. FRAMPTON

Theoretical backgound for bileptonic gauge bosons is reviewed, both the SU(15) GUT model and the 3-3-1 model. Mass limits on bileptons are discussed coming from e+e− scattering, polarized muon decay and muonium-antimuonium conversion. Discovery in e−e− at a linear collider at low energy (100GeV) and high luminosity (10/cm/s) is emphasised. Introduction. It is a stunning historical fact that e−e...

2001
Tony Chan Takashi Kako Hideo Kawarada G. S. Djambazov C.-H. Lai K. A. Pericleous

For a given mathematical problem and a given approximate solution, the residue or defect may be defined as a quantity to measure how well the problem has been solved. Such information may then be used in a simplified version of the original mathematical problem to provide an appropriate correction quantity. The correction can then be applied to correct the approximate solution in order to obtai...

2000
V. N. Samoilov

In connection with the semi-inclusive polarized DIS, it is proposed to consider the first Melin moments ∆q of the polarized quark and antiquark densities, instead of the respective variables δq(x), local in Bjorken x themselves. This gives rise to a very essential simplification of the next to leading order (NLO) QCD and, besides, allows one to use the respective QCD sum rules. An expression fo...

2004
ISSAI KANTOR Bruce Allison Kevin McCrimmon

In this talk we introduce the notion of a generalized representation of a Jordan algebra with unit which has the following properties: 1) Usual representations and Jacobson representations correspond to special cases of generalized representations. 2) Every simple Jordan algebra has infinitely many nonequivalent generalized representations. 3) There is a one-to-one correspondence between irredu...

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