نتایج جستجو برای: opposite backgrounds

تعداد نتایج: 81308  

1999
S. James G

We present component and superspace formulations for the recently-proposed type IIA * (or so-called 'star') supergravity theory, which is time-like dual to the conventional type IIB theory. First, within the component approach, all terms in the action are fixed up to the quartic fermionic ones. As desired, the kinetic terms for Ramond-Ramond fields have signs opposite to the conventional case. ...

Journal: :Physical review. D, Particles and fields 1995
Ananthanarayan Rindani

Certain momentum correlations in the production and subsequent decay of heavy fermion pairs in e+e− collisions have increased sensitivity to CP-violating electric and “weak” dipole form factors of the fermion in the presence of longitudinal polarization of the e+e− beams. However, unless the polarizations of e+ and e are equal and opposite, collinear initial-state radiation accompanied by helic...

2005
E. Boos M. Carena

The process of top quark pair production at the ILC with subsequent decays of one of the top quarks to a charged Higgs boson and b-quark is considered. The charged Higgs decays to tau leptons whose polarization is the opposite to those coming from W bosons. This difference is reflected in the energy distributions of the tau decay products in the top quark rest frame, which can be reconstructed ...

2003
Hans C. Jessen Georgios Paliouras

Data Mining has become a buzzword in industry in recent years. It is something that everyone is talking about but few seem to understand. There are two reasons for this lack of understanding: First is the fact that Data Mining researchers have very diverse backgrounds such as machine learning, psychology and statistics. This means that the research is often based on different methodologies and ...

2015
Luis Cayetano Lukas Rothacher Jean-Christophe Simon Christoph Vorburger

Defences against parasites are typically associated with costs to the host that contribute to the maintenance of variation in resistance. This also applies to the defence provided by the facultative bacterial endosymbiont Hamiltonella defensa, which protects its aphid hosts against parasitoid wasps while imposing life-history costs. To investigate the cost-benefit relationship within protected ...

2015
Jessica K. Polka Kristin A. Krukenberg Gary S. McDowell

There is a common misconception that the United States is suffering from a "STEM shortage," a dearth of graduates with scientific, technological, engineering, and mathematical backgrounds. In biomedical science, however, we are likely suffering from the opposite problem and could certainly better tailor training to actual career outcomes. At the Future of Research Symposium, various workshops i...

Journal: :Optics letters 2015
Yaroslav V Kartashov Vladimir V Konotop Boris A Malomed

We report on new types of two-component one-dimensional dark solitons (DSs) in a dual-core waveguide model with normal group-velocity dispersion and Kerr nonlinearity in both cores, the coupling between which is also dispersive. In the presence of the dispersive coupling, quiescent DSs supported by the zero-frequency background are always gray, being stable with the out-of-phase background, i.e...

Journal: :Modern Physics Letters A 1997

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