Search results for "methods [Diffusion Tensor Imaging]"
showing 10 items of 992 documents
Indirect dark matter search with the ANTARES neutrino telescope
2012
Using the data recorded by the ANTARES neutrino telescope during 2007 and 2008, a search for high energy neutrinos coming from the direction of the Sun has been performed. The neutrino selection criteria have been chosen so as to maximize the rejection of the atmospheric background with respect to possible signals produced by the self-annihilation of weakly interactive massive particles accumulated in the centre of the Sun. After data unblinding, the number of neutrinos observed was found to be compatible with background expectations. The results obtained were compared to the fluxes predicted by the Constrained Minimal Supersymmetric Standard Model, and 90% upper limits for this model were …
Class-B two-photon Fabry–Pérot laser
1998
Abstract We study the stationary operation and stability properties of a class-B two-photon Fabry–Perot laser. We show that, differently from the one-photon laser, the intensity emitted by the two-photon laser is larger in a Fabry–Perot than in a ring cavity. The lasing solution loses stability through a subcritical Hopf bifurcation, as it occurs in the unidirectional ring laser. The stability domain in the parameter space is larger in the Fabry–Perot than in the ring cavity configuration.
One- and two-photon lasers with injected signal in a high-Q fabry-Pérot cavity
2000
Explicit models are derived for good cavity one- and two-photon lasers with an injected signal in a Fabry-Perot cavity. The steady solutions and their stability properties are obtained analytically and compared with the corresponding ring cavity model ones. Only quantitative differences between both types of cavities are found. In particular we show that (i) the Fabry-Perot cavity reduces significantly the domain of self-pulsing with respect to the ring cavity, and for the two-photon laser case (ii) larger output can be extracted from a Fabry-Perot cavity than from a ring cavity under certain conditions, something impossible in free-running lasers. We conclude that ring cavity models are se…
Ergonomics Awareness and Employee Performance: An Exploratory Study
2017
The study examined the effects of ergonomics on employee performance by ascertaining the level of ergonomics awareness in Nigerian organizations, identifying the factors hindering the use of ergonomic, and the best practices and methods adopted by various organizations across industries. Despite a knowledge of importance to a growing number of researchers in Nigeria, there is still a dearth in knowledge of ergonomics design and its implementation in Nigeria. This can be observed in the low level of its adoption. The study adopted an exploratory approach through the review of literature. It was seen that several factors have hindered the efficient implementation of ergonomics in Nigeria whic…
"Table 5" of "Elliptic flow of charged particles in Pb-Pb collisions at 2.76 TeV"
2014
Uncorrected multiplicity distribution of charged particles in the Time Projection Chamber (|eta| < 0.8).
"Table 9" of "Search for new phenomena in events with a photon and missing transverse momentum in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS …
2015
Upper limits at 95% C.L. on the WIMP simplified model coupling parameter, sqrt(g_f g_chi), with vector coupling and mediator width Gamma=m_V/3, as a function of WIMP (m_chi) and the mediator particle (m_V) masses.
"Table 9" of "Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision da…
2013
95% CL observed and expected limits on the nucleon-WIMP scattering cross-section for spin-dependent (D8) WIMP models. The impact of the +-1sigma theoretical uncertainty on the observed limits and the expected +-1sigma range of limits in the absence of a signal are also given.
"Table 8" of "Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision da…
2013
95% CL observed and expected limits on the nucleon-WIMP scattering cross-section for spin-independent (D5) WIMP models. The impact of the +-1sigma theoretical uncertainty on the observed limits and the expected +-1sigma range of limits in the absence of a signal are also given.
"Table 7" of "Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision da…
2013
95% CL observed and expected limits on the nucleon-WIMP scattering cross-section for spin-independent (D1) WIMP models. The impact of the +-1sigma theoretical uncertainty on the observed limits and the expected +-1sigma range of limits in the absence of a signal are also given.
"Table 10" of "Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision d…
2013
95% CL observed and expected limits on the nucleon-WIMP scattering cross-section for spin-dependent (D9) WIMP models. The impact of the +-1sigma theoretical uncertainty on the observed limits and the expected +-1sigma range of limits in the absence of a signal are also given.