搜索结果: 91-105 共查到“理学 mixing”相关记录372条 . 查询时间(0.185 秒)
Strange Quark Mass and $1^{++}$ Nonet Singlet-Octet Mixing Angle
Strange Quark Mass $1^{++}$ Nonet Singlet-Octet Mixing Angle
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2011/1/6
We compute the strange quark mass from the analysis of the f1(1420) − f1(1285) mass difference
QCD sum rule, where the operator-product-expansion series is up to dimension six and to O(α3
s )a...
Constraining the mixing matrix for Standard Model with four generations: time dependent and semi-leptonic CP asymmetries in $B_d^0$, $B_s$ and $D^0$
Constraining the mixing matrix Standard Model four generations: time dependent semi-leptonic CP asymmetries $B_d^0$, $B_s$ $D^0$
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2011/1/6
Using existing experimental information from K, B and D decays as well as electroweak precision tests and oblique parameters, we provide constraints and correlations on the pa-
rameters of the 4X4 mi...
Models and measures of mixing and effective diffusion
Models and measures mixing and effective diffusion
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2010/11/16
Mixing a passive scalar field by stirring can be measured in a variety of ways including tracer particle dispersion, via the flux-gradient relationship, or by suppression of scalar concentration vari...
B^0_s and B^0 Mixing in the Standard Model and Beyond: A Progress Report
B^0_s B^0 Mixing Standard Model Beyond Progress Report
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2011/1/14
We give a progress report on the calculation of B meson mixing matrix elements, focusing on
contributions that could arise beyond the Standard Model. The calculation uses asqtad (light
quark) and Fe...
Study of a0(980)-f0(980) mixing at BES III and study of charged kappa at BES II
(980)-f0(980) charged kappa at BES II
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2011/1/5
Recent BES results on light scalars are reported in this talk, including the observation of a charged k± decaying to K±p 0 with 5.8×107 J/y data at BES II and the directmeasurements of a00 (980)−...
Non-degenerate four-wave mixing in rubidium vapor: transient regime
Non-degenerate four-wave mixing rubidium vapor transient regime
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2010/11/9
We investigate the transient response of the generated light from Four-Wave Mixing (FWM) in the diamond configuration using a step-down field excitation. The transients show fast decay times and oscil...
New 3-mode squeezing operator and squeezed vacuum state in 3-wave mixing
New 3-mode squeezing operator squeezed vacuum state 3-wave mixing
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2010/10/19
In a 3-wave mixing process occurring in some nonlinear optical medium when a† 1mode interacts
with both a† 2mode and a† 3mode, we theoretically study the squeezing effect generated ...
Analysis of 13C and 18O isotope data of CO2 in CARIBIC aircraft samples as tracers of upper troposphere/lower stratosphere mixing and the global carbon cycle
13C and 18O isotope data CO2 CARIBIC aircraft samples the global carbon cycle
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2010/9/21
The project CARIBIC (http://caribic-atmospheric.com) aims to study atmospheric chemistry and transport by regularly measuring many compounds in the free troposphere and the upper troposphere/lowermost...
On weak mixing, minimality and weak disjointness of all iterates
transitive set weakly mixing set topological entropy
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2010/12/3
Given a continuous map f , we study the recurrence properties of f (∗m) = f × f 2 × . . . × f m. In contrast to minimal case, we show that in general there is no relation between topological wea...
On tensor products of weak mixing vector sequences and their applications to C*-dynamical systems
Uniform weak mixing weak mixing ergodicity
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2010/11/29
We prove that, under certain conditions, uniform weak mixing (to zero)of the bounded sequences in Banach space implies uniform weak mixing of its tensor product. Moreover, we prove that ergodicity of ...
Optimal stirring strategies for passive scalar mixing
Optimal stirring strategies passive scalar mixing
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2010/12/15
We address the challenge of optimal incompressible stirring to mix an initially inhomogeneous
distribution of passive tracers. As a quantitative measure of mixing we adopt the H1 norm of th...
CO2 column-averaged volume mixing ratio derived over Tsukuba from measurements by commercial airlines
CO2 column-averaged volume mixing ratio Tsukuba commercial airlines
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2010/8/25
Column-averaged volume mixing ratios of carbon dioxide (XCO2) during the period from January 2007 to May 2008 over Tsukuba, Japan, were derived using CO2 concentrations measured by Continuous CO2 Meas...
Hygroscopicity distribution concept for measurement data analysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation
Hygroscopicity distribution concept measurement data analysis aerosol particle mixing state hygroscopic growth CCN activation
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2010/8/16
This paper presents a general concept and mathematical framework of particle hygroscopicity distribution for the analysis and modeling of aerosol hygroscopic growth and cloud condensation nucleus (CCN...
The importance of aerosol mixing state and size-resolved composition on CCN concentration and the variation of the importance with atmospheric aging of aerosols
aerosol mixing state size-resolved composition CCN concentration atmospheric aerosols
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2010/8/16
Aerosol microphysics, chemical composition, and CCN concentrations were measured at the T0 urban supersite in Mexico City during Megacity Initiative: Local and Global Research Observations (MILAGRO) i...
Lagrangian mixing in an axisymmetric hurricane model
Lagrangian mixing an axisymmetric hurricane model
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2010/8/16
This paper discusses the extension of established Lagrangian mixing measures to make them applicable to data extracted from a 2-D axisymmetric hurricane simulation. Because of the non-steady and unbou...