نتایج جستجو برای: dipole moment

تعداد نتایج: 79517  

Journal: :Physical review. A, Atomic, molecular, and optical physics 1994
C A Baker D D Doyle P Geltenbort K Green M G D van der Grinten P G Harris P Iaydjiev S N Ivanov D J R May J M Pendlebury J D Richardson D Shiers K F Smith

An experimental search for an electric dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin, Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a cohabiting atomic-mercury magnetometer. Systematic uncertainties, including geometric-phase-induced false EDMs, have been carefully studied. The results may be inte...

2005
Juan Ortigoso Julio Santos

A robust and versatile method is demonstrated to maintain, for an arbitrary time, quasiconstant and strong orientation for molecules with minute dipole moments. The procedure is based on submitting molecules in cyclic wave packets to periodic trains of nonresonant pulses in an electrostatic field. We show that approximate cyclic states can be created by suddenly switching off a long laser pulse...

2007
L. I. Titomir V. G. Trunov

There are presented results of experimental-laboratory testing a new method to diagnose the right ventricular hypertrophy. The method is based upon the dipole electrocardiotopography (DECARTO) technique, proposed formerly by the authors and successfully applied for recognition of the left ventricular hypertrophy. The results obtained on reliably verified groups of normal and diseased persons sh...

2007
Pratap Singh T. S. Verma N. C. Varshneya

The growth rate and maximum value of electric field inside the thundercloud of finite dimensions are calculated incorporating the effect of positive space charge produced by corona at the ground surface. Our theoretical findings reveal that the transport of corona space charge increases significantly electric dipole moment already existing in thunderclouds of moderate heights and is partly resp...

2001
R. Martinez J - Alexis Rodriguez

The anomalous chromomagnetic dipole moment of the top quark in different frameworks and using the b → sγ process as a bench Abstract The anomalous chromomagnetic top quark moment arise from one loop corrections to the vertex ¯ ttg. We give explicit formulae for this anomalous coupling in the framework of the standard model, the two higgs doublet model and the minimal supersymmetric standard mod...

Journal: :Nanoscale 2015
F Pelayo García de Arquer Agustín Mihi Gerasimos Konstantatos

The use of self-assembled monolayers (SAMs) to improve and tailor the photovoltaic performance of plasmonic hot-electron Schottky solar cells is presented. SAMs allow the simultaneous control of open-circuit voltage, hot-electron injection and short-circuit current. To that end, a plurality of molecule structural parameters can be adjusted: SAM molecule's length can be adjusted to control plasm...

Journal: :Physical review letters 2000
Babu Dutta Mohapatra

The electric dipole moment (edm) of the muon ( d(e)(&mgr;)) is evaluated in supersymmetric models with nonzero neutrino masses and large neutrino mixing arising from the seesaw mechanism. It is found that if the seesaw mechanism is embedded in the framework of a left-right symmetric gauge structure, the interactions responsible for the right-handed neutrino Majorana masses lead to an enhancemen...

Journal: :The Journal of chemical physics 2006
Young Cheol Choi Chaeho Pak Kwang S Kim

The structures, energetics, and transition states of water clusters (trimer to pentamer, n = 3-5) are investigated as a function of electric field by using ab initio calculations. With an increasing strength of the field, the most stable cyclic structures of trimer, tetramer, and pentamer open up to align their dipole moments along the direction of the field. For the lower strength (below 0.3 V...

2012
Xiangtao Li Minghao Yin

Differential evolution (DE) is a population based evolutionary algorithm widely used for solving multidimensional global optimization problems over continuous spaces, and has been successfully used to solve several kinds of problems. In this paper, differential evolution is used for quantitative interpretation of self-potential data in geophysics. Six parameters are estimated including the elec...

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