5,069 research outputs found
Scalar Sector in the Minimal Supersymmetric 3-3-1 model
We consider the minimal supersymmetric extension of the 3-3-1 model and we
study the mass spectra in the scalar sector of this model without the
anti-sextet. We show that all our lighest scalars are in agreement with the
experimental limits.Comment: It was included on the introduction of the article the motivation to
> study the model, and we moved the sections 4.1 and 4.2 to the appendix. It
has 22 pages, 9 figures. It was accepted to be published at International
Journal of Modern Physics
An on-line harmonics elimination PWM scheme for three-phase voltage source inverters
An on-line harmonic elimination PWM (HEPWM) scheme for three-phase voltage source inverters is proposed. It is based on curve fitting method derived from the trajectories of the exact (off-line) HEPWM angles. The
main advantage of the technique is its fast and efficient
realization using a microprocessor. An outline to obtain the switching angles is presented. The method is proven by
experimental result
Role of the meson in photoproduction off the deuteron
Neutral kaon photoproduction off the nucleon and deuteron has been
reinvestigated by utilizing the new experimental data on both targets. An
isobar model for elementary operator and impulse approximation for the reaction
on the deuteron have been used. The available free parameters in the elementary
model have been extracted from both elementary and deuteron data. In contrast
to the elementary reaction, fitting the deuteron data requires an inclusion of
weighting factor. The result indicates that the angular distribution of the
elementary process does not show backward peaking behavior.Comment: 4 pages, 4 figures, prepared for the Fifth Asia-Pacific Conference on
Few-Body Problems in Physics 2011 (APFB2011), Seoul, Korea, August 22-26,
201
Inhibitor(S) of prostaglandin endoperoxide synthase and lipoxygenase activity in extracts of barley
Aqueous extract of barley was found to inhibit PG endoperoxide synthase and lipoxygenase enzymes responsible for arachidonic acid metabolism. Only 6% (v/v) of aqueous extract produced 50% inhibition of PG endoperoxide synthase while five times more extract was required to produce 50% inhibition of lipoxygenase. Boiling barley extract did not destroy the ability of the extract to inhibit the enzymes. Fractionation of barley with organic solvents, petroleum ether, chloroform, ethylacetate and acetone exhibited selectivity in its action in that foamy layer formed during petroleum ether and ethyl acetate extraction inhibited PG endoperoxide synthase completely whereas lipoxygenase activity was only partially inhibited. These results suggest the presence of inhibitor(s) of arachidonic acid metabolism in extracts of barley
Spectrum of D=6, N=4b Supergravity on AdS_3 x S^3
The complete spectrum of D=6, N=4b supergravity with n tensor multiplets
compactified on AdS_3 x S^3 is determined. The D=6 theory obtained from the K_3
compactification of Type IIB string requires that n=21, but we let n be
arbitrary. The superalgebra that underlies the symmetry of the resulting
supergravity theory in AdS_3 coupled to matter is SU(1,1|2)_L x SU(1,1|2)_R.
The theory also has an unbroken global SO(4)_R x SO(n) symmetry inherited from
D=6. The spectrum of states arranges itself into a tower of spin-2
supermultiplets, a tower of spin-1, SO(n) singlet supermultiplets, a tower of
spin-1 supermultiplets in the vector representation of SO(n) and a special
spin-1/2 supermultiplet also in the vector representation of SO(n). The SU(2)_L
x SU(2)_R Yang-Mills states reside in the second level of the spin-2 tower and
the lowest level of the spin-1, SO(n) singlet tower and the associated field
theory exhibits interesting properties.Comment: 37 pages, latex, 5 tables and 3 figures, typos corrected, a reference
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Analisis Perjanjian Kerjasama dan Pola Perbandingan Penyelesaian Sengketadi Luar Pengadilan
The contract or agreement is rapidly growing at this time as the consequence logical from the development cooperation business people business. Many business cooperation carried out by businessmen in the form of a contract or written agreement. The purpose of this research is to know and understand the legal analysis against the risks that arise in the agreement as well as to know the form of resolving disputes outside of the courts in the perspective of positive law and Islamic law. The type of research used in this study are normative legal research which in the use of research analysis Techniques used are qualitative techniques for which information unearthed through in-depth interviews and information search through the library, either from legislation, documents relating to the writing of this thesis so that what is in question in the study answered with a maximum. Results of the study showed that a cooperation agreement with Sejahtera Corporateand Adil Makmur potentially cause conflict so that it appears in the dispute between the parties resulting from any such agreement surfaced that there are risks such as risks language, the risk of disputes. To resolve this issue then there needs to be a model of dispute resolution that is ADR in particular using arbitration institutions while the Model dispute resolution outside of court according to ACT No. 30 of 1999 are mediation, arbitration, consilition, which chosen by the parties in accordance with applicable LAW while according to customary law, the dispute could be resolved through private, family, head of the indigenous organizational institution.
 
Perspektif Politik Hukum terhadap Perlindungan dan Pembinaan Tenaga Kerja Luar Negeri di Indonesia
Pengiriman TKI ke luar negeri memang dapat memberikan manfaat ekonomi yang relatif besar tidak hanya bagi TKI itu sendiri dan keluarganya tetapi juga bagi negara tersebut, karena Negara tersebut menganggap pengiriman TKI ke luar negeri merupakan jawaban atas tidak adanya negara dalam menyediakan lapangan kerja. Penelitian yang digunakan dalam penelitian ini adalah dengan menggunajan jenis penelitian hukum normatif yang digunakan untuk menyusun penelitian. Review hasil penelitian menunjukkan bahwa Undang-Undang Hukum Politik Nomor 39 Tahun 2004 tentang perlindungan dan pembangunan Tenaga Kerja Indonesia di luar negeri ada 4 (empat) yaitu 1) Memberdayakan dan mendayagunakan tenaga kerja secara optimal dan manusia; 2) Menciptakan pemerataan peluang kerja dan penyediaan tenaga kerja sesuai dengan pembangunan nasional dan kebutuhan kabupaten; 3) memberikan perlindungan kepada pekerja dalam menciptakan kesejahteraan; dan 4) kesejahteraan buruh dan keluarganya sementara Faktor hukum politik implementasi hukum memengaruhi hukum Nomor 39 Tahun 2004 tentang perlindungan dan pembangunan Tenaga Kerja Indonesia di luar Negri terkait dengan perlindungan hukum di luar negeri memiliki TKI 2 (dua) yaitu 1) Struktur ( Ketenagakerjaan Dewan, b. Menjadi Keluhan minimal yang disediakan oleh Penguasa di luar negeri untuk TKI) dan 2) Substansi
Field Redefinition Invariance in Quantum Field Theory
The issue of field redefinition invariance of path integrals in quantum field
theory is reexamined. A ``paradox'' is presented involving the reduction to an
effective quantum-mechanical theory of a -dimensional free scalar field
in a Minkowskian spacetime with compactified spatial coordinates. The
implementation of field redefinitions both before and after the reduction
suggests that operator-ordering issues in quantum field theory should not be
ignored.Comment: 7 page
The spread of the gluon k_t-distribution and the determination of the saturation scale at hadron colliders in resummed NLL BFKL
The transverse momentum distribution of soft hadrons and jets that accompany
central hard-scattering production at hadron colliders is of great importance,
since it has a direct bearing on the ability to separate new physics signals
from Standard Model backgrounds. We compare the predictions for the gluonic
k_t-distribution using two different approaches: resummed NLL BFKL and DGLAP
evolution. We find that as long as the initial and final virtualities (k_t)
along the emission chain are not too close to each other, the NLL resummed BFKL
results do not differ significantly from those obtained using standard DGLAP
evolution. The saturation momentum Q_s(x), calculated within the resummed BFKL
approach, grows with 1/x even slower than in the leading-order DGLAP case.Comment: 24 pages, 8 figures, An improved, slightly more precise NLL
resummation is used and the figures are updated accordingly. The conclusions
are unchange
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