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Title:

Proteccin de los consumidores en el sector de las tecnologas de la informacin y las comunicaciones. Situacin actual y posibles tendencias.

Description:

El derecho de protecciуn a los consumidores en el campo de las tecnologнas de la informaciуn y las comunicaciones (TIC) se refiere a la legislaciуn especнfica a favor de los consumidores que actъan en un entorno electrуnico con fines particulares. La Directiva marco 2002/21/CE define como consumidor a cualquier persona fнsica que utilice o solic...

El derecho de protecciуn a los consumidores en el campo de las tecnologнas de la informaciуn y las comunicaciones (TIC) se refiere a la legislaciуn especнfica a favor de los consumidores que actъan en un entorno electrуnico con fines particulares. La Directiva marco 2002/21/CE define como consumidor a cualquier persona fнsica que utilice o solicite un servicio de comunicaciones electrуnicas disponible para el pъblico para fines no profesionales. Esos consumidores pueden tener acceso a Internet, firmar contratos electrуnicos sobre bienes y servicios de empresa a consumidor (B2C) y servirse de la telefonнa mуvil o de otros equipos digitales. La diversidad y disponibilidad de los servicios de comunicaciуn electrуnica en la actual sociedad de la informaciуn aumentan continuamente. La legislaciуn introducida por la Uniуn Europea y sus Estados miembros se refiere sobre todo a la ley de contratos. Ademбs, varias directivas de la UE en el бrea de las telecomunicaciones, que regulan la infraestructura de las telecomunicaciones, se ocupan de los intereses de los consumidores en lo que ataсe a la relaciуn entre prestadores y usuarios de redes. En cambio, rara vez se considera la pertinencia de las directivas relativas a la protecciуn de datos de los consumidores de TIC. Minimize

Year of Publication:

2013-12-01T00:00:00Z

Source:

Revista de la Facultad de Derecho, Vol 0, Iss 32, Pp 205-223 (2013)

Revista de la Facultad de Derecho, Vol 0, Iss 32, Pp 205-223 (2013) Minimize

Document Type:

article

Language:

ES

Subjects:

comunicacin ; tecnologa ; consumidores ; informacin ; proteccin del consumidor ; tecnologa de la inforamcin ; LCC:Law in general. Comparative and uniform law. Jurisprudence ; LCC:K1-7720 ; LCC:Social sciences (General) ; LCC:H1-99 ; LCC:Law in general. Comparative and uniform law. Jurisprudence ; LCC:K1-7720 ; LCC:Social sciences (General) ; LCC...

comunicacin ; tecnologa ; consumidores ; informacin ; proteccin del consumidor ; tecnologa de la inforamcin ; LCC:Law in general. Comparative and uniform law. Jurisprudence ; LCC:K1-7720 ; LCC:Social sciences (General) ; LCC:H1-99 ; LCC:Law in general. Comparative and uniform law. Jurisprudence ; LCC:K1-7720 ; LCC:Social sciences (General) ; LCC:H1-99 Minimize

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CC BY

CC BY Minimize

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http://www.revistafacultadderecho.edu.uy/ojs-2.4.2/index.php/rfd/article/view/32

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Title:

Flavour models with three Higgs generations

Description:

We construct models with a spontaneously broken $$\mathrm{SU}(3)_\mathrm{F}$$
SU(3)F
flavour symmetry where three generations of Higgs multiplets transform in a flavour-triplet representation. The models are embedded in a supersymmetric Pati–Salam GUT framework, which includes left–right symmetry. We ...

We construct models with a spontaneously broken $$\mathrm{SU}(3)_\mathrm{F}$$
SU(3)F
flavour symmetry where three generations of Higgs multiplets transform in a flavour-triplet representation. The models are embedded in a supersymmetric Pati–Salam GUT framework, which includes left–right symmetry. We study the possible flavon representations and show that a model with flavons in the decuplet representation is able to reproduce the hierarchy structure of the quark and lepton mass and mixing matrices. This result requires no additional structure or fine-tunings except for an extra $$Z_4$$
Z4
discrete symmetry in the superpotential. Minimize

Publisher:

Springer Berlin Heidelberg

Year of Publication:

2014-09-01

Source:

The European Physical Journal C, 2014-09-01, Volume 74, pp 1-6

The European Physical Journal C, 2014-09-01, Volume 74, pp 1-6 Minimize

Document Type:

Regular Article - Theoretical Physics

Language:

En

Rights:

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.Funded by SCOAP3 / License Version CC BY 4.0.

Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.Funded by SCOAP3 / License Version CC BY 4.0. Minimize

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Title:

Configuration and Performance of a Mobile 129Xe Polarizer

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Description:

A stand-alone, self-contained and transportable system for the polarization of 129Xe by spin exchange optical pumping with Rb is described. This mobile polarizer may be operated in batch or continuous flow modes with medium amounts of hyperpolarized 129Xe for spectroscopic or small animal applications. A key element is an online nuclear magnetic...

A stand-alone, self-contained and transportable system for the polarization of 129Xe by spin exchange optical pumping with Rb is described. This mobile polarizer may be operated in batch or continuous flow modes with medium amounts of hyperpolarized 129Xe for spectroscopic or small animal applications. A key element is an online nuclear magnetic resonance module which facilitates continuous monitoring of polarization generation in the pumping cell as well as the calculation of the absolute 129Xe polarization. The performance of the polarizer with respect to the crucial parameters temperature, xenon and nitrogen partial pressures, and the total gas flow is discussed. In batch mode the highest 129Xe polarization of PXe = 40 % was achieved using 0.1 mbar xenon partial pressure. For a xenon flow of 6.5 and 26 mln/min, PXe = 25 % and PXe = 13 % were reached, respectively. The mobile polarizer may be a practical and efficient means to make the applicability of hyperpolarized 129Xe more widespread. Minimize

Publisher:

Springer Vienna

Year of Publication:

2013-02-01

Source:

Applied Magnetic Resonance, 2013-02-01, Volume 44, pp 65-80

Applied Magnetic Resonance, 2013-02-01, Volume 44, pp 65-80 Minimize

Language:

En

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Title:

Multiple scales in Pati-Salam unification models

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Description:

We investigate models where gauge unification (GUT) proceeds in steps that include Pati-Salam symmetry. Beyond the Standard Model, we allow for a well-defined set of small representations of the GUT gauge group. We show that all possible chains of PatiSalam symmetry breaking can be realized in accordance with gauge-coupling unification. We ident...

We investigate models where gauge unification (GUT) proceeds in steps that include Pati-Salam symmetry. Beyond the Standard Model, we allow for a well-defined set of small representations of the GUT gauge group. We show that all possible chains of PatiSalam symmetry breaking can be realized in accordance with gauge-coupling unification. We identify, in particular, models with unification near the Planck scale, with intermediate left-right or SU(4) quark-lepton symmetries that are relevant for flavor physics, with new colored particles at accessible energies, and with an enlarged electroweak Higgs sector. We look both at supersymmetric and non-supersymmetric scenarios. Minimize

Publisher:

Springer Berlin Heidelberg

Year of Publication:

2014-05-01

Source:

Journal of High Energy Physics, 2014-05-01, Volume 2014, pp 1-42

Journal of High Energy Physics, 2014-05-01, Volume 2014, pp 1-42 Minimize

Language:

En

Subjects:

Spontaneous Symmetry Breaking ; GUT ; Supersymmetric Effective Theories ; Renormalization Group

Spontaneous Symmetry Breaking ; GUT ; Supersymmetric Effective Theories ; Renormalization Group Minimize

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Title:

DYNAMICAL ELECTROWEAK SYMMETRY BREAKING

Description:

Dynamical symmetry breaking provides a possible solution to the electroweak hierarchy problem. It requires new strong interactions that are effective at some high-energy scale. If there is no light Higgs boson, this scale is constrained to be in the TeV range, and signals of the new interactions can be observed, directly or indirectly, in collid...

Dynamical symmetry breaking provides a possible solution to the electroweak hierarchy problem. It requires new strong interactions that are effective at some high-energy scale. If there is no light Higgs boson, this scale is constrained to be in the TeV range, and signals of the new interactions can be observed, directly or indirectly, in collider experiments. Even if no observable states in the Higgs sector are kinematically accessible, a Linear Collider will cover the low-energy parameter space that arises in a systematic model-independent analysis of dynamical electroweak Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-16

Source:

http://arxiv.org/pdf/hep-ph/0303015v2.pdf

http://arxiv.org/pdf/hep-ph/0303015v2.pdf Minimize

Document Type:

text

Language:

en

Rights:

Metadata may be used without restrictions as long as the oai identifier remains attached to it.

Metadata may be used without restrictions as long as the oai identifier remains attached to it. Minimize

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Title:

QCD Corrected 1/mb Contributions to BB–Mixing ∗

Description:

We calculate the QCD corrected effective Hamiltonian for BB–Mixing in heavy quark effective theory including corrections of the order ΛQCD/mb. The matrix elements of the subleading operators are estimated using the vacuum insertion assumption. We show that the major part of the subleading corrections may be absorbed into the heavy meson decay co...

We calculate the QCD corrected effective Hamiltonian for BB–Mixing in heavy quark effective theory including corrections of the order ΛQCD/mb. The matrix elements of the subleading operators are estimated using the vacuum insertion assumption. We show that the major part of the subleading corrections may be absorbed into the heavy meson decay constant fB; the remaining corrections are only due to QCD effects and give an enhancement of ∆M of 5%. Oscillations between particle and antiparticle have been observed first in the neutral Kaon system [1] and later also in the neutral B meson system [2, 3]. Such oscillations are predicted by the standard model and proceed through the so called box diagrams depicted in fig. 1. Since the top quark as well as Minimize

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The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-14

Source:

http://arxiv.org/pdf/hep-ph/9211333v1.pdf

http://arxiv.org/pdf/hep-ph/9211333v1.pdf Minimize

Document Type:

text

Language:

en

Rights:

Metadata may be used without restrictions as long as the oai identifier remains attached to it.

Metadata may be used without restrictions as long as the oai identifier remains attached to it. Minimize

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Title:

Renormalized Soft-Higgs Theorems

Description:

The Higgs couplings to matter fields are proportional to their masses. Thus Higgs amplitudes can be obtained by differentiating amplitudes without Higgs with respect to masses. We show how this well-known statement can be extended to higher order when renormalization effects are taken into account. We establish the connection with the Callan-Sym...

The Higgs couplings to matter fields are proportional to their masses. Thus Higgs amplitudes can be obtained by differentiating amplitudes without Higgs with respect to masses. We show how this well-known statement can be extended to higher order when renormalization effects are taken into account. We establish the connection with the Callan-Symanzik and renormalization group equations and consider also pseudoscalar Higgs couplings to fermions. Furthermore, we address the case where the Higgs couples to a heavy particle that is integrated out from the low-energy effective Lagrangian. We derive effective interactions where mass logarithms are resummed by renormalizationgroup The Higgs boson provides a simple mechanism to accommodate massive vector bosons and fermions in the standard model. Present-day experiments, together with calculations of Higgs interactions up to two-loop order in some cases, have been used to establish lower limits for Higgs masses approaching Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-17

Source:

http://arxiv.org/pdf/hep-ph/9505309v1.pdf

http://arxiv.org/pdf/hep-ph/9505309v1.pdf Minimize

Document Type:

text

Language:

en

DDC:

Rights:

Metadata may be used without restrictions as long as the oai identifier remains attached to it.

Metadata may be used without restrictions as long as the oai identifier remains attached to it. Minimize

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Title:

The Higgs resonance in vector boson scattering

Description:

A heavy Higgs resonance is described in a representation-independent way which is valid for the whole energy range of 2 → 2 scattering processes, including the asymptotic behavior at low and high energies. The low-energy theorems which follow from to the custodial SU2 symmetry of the Higgs sector restrict the possible parameterizations of the li...

A heavy Higgs resonance is described in a representation-independent way which is valid for the whole energy range of 2 → 2 scattering processes, including the asymptotic behavior at low and high energies. The low-energy theorems which follow from to the custodial SU2 symmetry of the Higgs sector restrict the possible parameterizations of the lineshape that are consistent in perturbation theory. Matching conditions are specified which are necessary and sufficient to relate the parameters arising in different expansions. The construction is performed explicitly up to next-to-leading order. Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-17

Source:

http://arxiv.org/pdf/hep-ph/9801265v1.pdf

http://arxiv.org/pdf/hep-ph/9801265v1.pdf Minimize

Document Type:

text

Language:

en

Rights:

Metadata may be used without restrictions as long as the oai identifier remains attached to it.

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Title:

DYNAMICAL ELECTROWEAK SYMMETRY BREAKING

Description:

Dynamical symmetry breaking provides a possible solution to the electroweak hierarchy problem. It requires new strong interactions that are effective at some high-energy scale. If there is no light Higgs boson, this scale is constrained to be in the TeV range, and signals of the new interactions can be observed, directly or indirectly, in collid...

Dynamical symmetry breaking provides a possible solution to the electroweak hierarchy problem. It requires new strong interactions that are effective at some high-energy scale. If there is no light Higgs boson, this scale is constrained to be in the TeV range, and signals of the new interactions can be observed, directly or indirectly, in collider experiments. Even if no observable states in the Higgs sector are kinematically accessible, a Linear Collider will cover the low-energy parameter space that arises in a systematic model-independent analysis of dynamical electroweak Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-16

Source:

http://arxiv.org/pdf/hep-ph/0303015v1.pdf

http://arxiv.org/pdf/hep-ph/0303015v1.pdf Minimize

Document Type:

text

Language:

en

Rights:

Metadata may be used without restrictions as long as the oai identifier remains attached to it.

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Title:

Renormalization of heavy quark effective field theory: Quantum action principles and equations of motion, Phys. Rev. D50

Description:

The construction of heavy quark effective field theory (HqEFT) is extended to arbitrary order in both expansion parameters αs and 1/mq. Matching conditions are discussed for the general case, and it is verified that this approach correctly reproduces the infrared behaviour of full QCD. Choosing a renormalization scheme in the full theory fixes t...

The construction of heavy quark effective field theory (HqEFT) is extended to arbitrary order in both expansion parameters αs and 1/mq. Matching conditions are discussed for the general case, and it is verified that this approach correctly reproduces the infrared behaviour of full QCD. Choosing a renormalization scheme in the full theory fixes the renormalization scheme in the effective theory except for the scale of the heavy quark field. Explicit formulae are given for the effective Lagrangian, and one– loop matching renormalization constants are computed for the operators The Heavy Quark Limit (HQL) [1] has become a very useful tool for the description of systems involving one heavy quark. The main progress consists in the exploitation of additional symmetries occuring in the limit of infinite mass of heavy quarks. These additional symmetries allow model independent predictions Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-09-17

Source:

http://arxiv.org/pdf/hep-ph/9307307v1.pdf

http://arxiv.org/pdf/hep-ph/9307307v1.pdf Minimize

Document Type:

text

Language:

en

DDC:

539 Modern physics *(computed)*

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