نتایج جستجو برای: level multi

تعداد نتایج: 1485314  

1998

We present an improved comparison of the strong coupling of the gluon to light (ql = u+d+s), c, and b quarks, determined from multijet rates in flavor-tagged samples of hadronic Z0 decays recorded with the SLC Large Detector at the SLAC Linear Collider between 1993 and 1995. Flavor separation among primary qlql, cc̄, and bb̄ final states was made on the basis of the reconstructed mass of long-liv...

1997
S. Willocq

We review recent B physics results obtained in polarized e + e − interactions at the SLC by the SLD experiment. The excellent 3-D vertexing capabilities of SLD are exploited to extract precise B + and B 0 d lifetimes, as well as measurements of the time evolution of B 0 d − B 0 d mixing.

1995

A measurement of the lifetime of the tau lepton has been made using a sample of 1671 Z 0 ! + , decays collected by the SLD detector at SLC. The measurement beneets from the small and stable collision region at SLC and the precision pixel vertex detector of SLD. Three analysis techniques have been used: decay length, impact parameter, and impact parameter diierence methods. The combined result i...

2018
Thomas Lehmann Alexander Croy Rafael Gutiérrez Gianaurelio Cuniberti

The calculation of time-dependent charge and energy currents in nanoscale systems is a challenging task. Nevertheless it is crucial for gaining a deep understanding of the relevant processes at the nanoscale. We extend the auxiliarymode approach for time-dependent charge transport to allow for the calculation of energy currents for arbitrary time dependencies. We apply the approach to two illus...

2002
Frederic Teubert

This paper is an updated version of the invited plenary talk given at the XXII Physics in Collision Conference at Stanford, (June 2002). The measurements performed at LEP and SLC have substantially improved the precision of the tests of the Minimal Standard Model. The precision is such that there is sensitivity to pure weak radiative corrections. This allows to indirectly determine the top mass...

2010
Kartikeya Bajpai Louis-Marie Ngamassi Tchouakeu Carleen F. Maitland Kang Zhao Andrea H. Tapia

In this article, we present a preliminary analysis of four case studies of collaborative information systems (IS) projects initiated by two collaboration bodies within the humanitarian action sector. Collaboration bodies are groups of organizations brought together with the purpose of improving collaboration of their activities. Our goal is to theoretically explore collaborative IS projects as ...

2008
Csaba Földy

In this paper a simple, single-level strategic game, namely the Minority Game (MG), will be extended to form a hierarchical organization. The individual MGs will form a group, and individual players within each MG will make decisions which depend on the average behavior of their own and other MGs. Calculations show that under certain conditions the elements of the individual MGs “know” much mor...

2015
Arieke J. Rijken Eva-Maria Merz

We examined double standards in norms concerning voluntary childlessness. Whether the choice to remain childless is more accepted for men or women is not a priori clear; we formulated hypotheses in both directions. Parenthood might be considered as more central to women’s identity than to men’s, resulting in higher disapproval of childlessness for women. Yet, as the costs of parenthood are high...

2003
Markus Perkmann

The article addresses the question how the European Commission can achieve successful policy implementation in a system that is characterised by loose multi-level policy networks and the absence of hierarchical command structures. This is shown with the example of EU regional policy, and cross-border co-operation in particular. The main argument is that the system relies on successful grassroot...

1998
Parag H. Batavia

In this paper, we describe a preliminary analysis of driver data collected during a recently completed small scale data collection effort. We will demonstrate that a popular method for computing Time To Lane Crossing (TLC) does not always accurately predict the driver's actual TLC. We will then use a memory based learning approach to show why this is. Finally, we will present results in predict...

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