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  • 1
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    New bounds on trilinear R-parity violation from lepton flavor violating observables (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-07-06
    Description: Author(s): H. K. Dreiner, K. Nickel, F. Staub, and A. Vicente Many extensions of the leptonic sector of the minimal supersymmetric standard model (MSSM) are known, most of them leading to observable flavor violating effects. It has recently been shown that the 1-loop contributions to lepton flavor violating three-body decays l i →3 l j involving the Z 0 boson may b... [Phys. Rev. D 86, 015003] Published Thu Jul 05, 2012
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Genetic definition and sequence analysis of Arabidopsis centromeres (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-01-05
    Description: High-precision genetic mapping was used to define the regions that contain centromere functions on each natural chromosome in Arabidopsis thaliana. These regions exhibited dramatic recombinational repression and contained complex DNA surrounding large arrays of 180-base pair repeats. Unexpectedly, the DNA within the centromeres was not merely structural but also encoded several expressed genes. The regions flanking the centromeres were densely populated by repetitive elements yet experienced normal levels of recombination. The genetically defined centromeres were well conserved among Arabidopsis ecotypes but displayed limited sequence homology between different chromosomes, excluding repetitive DNA. This investigation provides a platform for dissecting the role of individual sequences in centromeres in higher eukaryotes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Copenhaver, G P -- Nickel, K -- Kuromori, T -- Benito, M I -- Kaul, S -- Lin, X -- Bevan, M -- Murphy, G -- Harris, B -- Parnell, L D -- McCombie, W R -- Martienssen, R A -- Marra, M -- Preuss, D -- New York, N.Y. -- Science. 1999 Dec 24;286(5449):2468-74.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Chicago, Department of Molecular Genetics and Cell Biology, 1103 East 57 Street, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10617454" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/chemistry/*genetics ; Base Composition ; Base Sequence ; Centromere/*genetics/physiology ; Conserved Sequence ; Contig Mapping ; Crosses, Genetic ; Crossing Over, Genetic ; DNA, Plant/chemistry/*genetics ; Gene Expression ; *Genes, Plant ; Meiosis ; Models, Genetic ; *Recombination, Genetic ; *Repetitive Sequences, Nucleic Acid ; Retroelements ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    B_{s,d}^{0}→μμ[over ¯] and B→X_{s}γ in the R-parity violating MSSM (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-12-04
    Description: Author(s): H. K. Dreiner, K. Nickel, and F. Staub The recent measurements of B s 0 → μ μ ̅ decay candidates at the LHC consistent with the standard model rate and the improving upper limits for B d 0 → μ μ ̅ can strongly constrain beyond the standard model physics. For example, in supersymmetric models with broken R -parity ( R pV), they restrict ... [Phys. Rev. D 88, 115001] Published Tue Dec 03, 2013
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
    Electronic Resource
    Electronic Resource
    Phase transformations of silicon caused by contact loading (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 81 (1997), S. 3057-3063 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Combining hardness indentation tests and micro-Raman spectroscopy it is shown that metallic Si-II is produced near the interface of a diamond indenter and silicon to a depth of about 0.5 μm, where the highest stresses (hydrostatic and deviatoric) exist. At fast unloading rates Si-II transforms to the amorphous state, whereas a mixture of the r8 high pressure polymorph Si-XII and the bc8 phase Si-III forms upon a slow load release. The region of Si-III+Si-XII is surrounded by the wurtzite structured Si-IV, where the stresses during the indentation had not been high enough to cause the transition to the metallic state. Thus, because of shear deformation a direct transformation to Si-IV takes place. Outside the phase-transformed regions the classical aspects of indentation-induced deformation by dislocation glide, twinning and crack formation are observed. Annealing of the high pressure phases leads to the formation of Si-IV at moderate temperatures and to the reversal to the original diamond structure (Si-I) at temperatures above 500 °C. Using the laser beam of the Raman spectrometer to anneal the samples the phase transitions could be monitored directly. The formation of silicon polymorphs other than amorphous or metallic structures during hardness indentation is, to the best of our knowledge, reported here for the first time. The results compare well with the polymorphism in Si that is known from diamond anvil cell experiments. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.364340
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  • 5
    Electronic Resource
    Electronic Resource
    Prandtl's Boundary-Layer Theory from the Viewpoint of a Mathematician (1973)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Fluid Mechanics 5 (1973), S. 405-428 
    Details
    ISSN: 0066-4189
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.fl.05.010173.002201
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  • 6
    Electronic Resource
    Electronic Resource
    Über die Stabilität und Konvergenz numerischer Algorithmen Teil II (1975)
    Springer
    Computing 15 (1975), S. 311-328 
    Details
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Abstract We derive explicit bounds for the termination index and for the error bound of algorithms as they were studied in part I. Furthermore, we analyze a relation between the theory of part I and the theory of Dahlquist.
    Notes: Zusammenfassung Es werden explizite Schranken angegeben für den Abbrechindex und für die Fehlerschranke von Algorithmen, wie sie in Teil I untersucht wurden. Weiterhin wird ein Zusammenhang zwischen der Theorie von Teil I und der Theorie von Dahlquist untersucht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02260316
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  • 7
    Electronic Resource
    Electronic Resource
    Über die Stabilität und Konvergenz numerischer Algorithmen (1975)
    Springer
    Computing 15 (1975), S. 291-309 
    Details
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Abstract We introduce the concept of a (numerical) algorithm and the following properties: consistency, local and global stability, numerical convergence. We exhibit classes of such algorithms with the following property: consistency and local stability together with a suitable termination criterion imply numerical convergence. It is shown that all known results in the literature may be deduced from two theorems on monotone algorithms.
    Notes: Zusammenfassung Es wird der Begriff des (numerischen) Algorithmus eingeführt und es werden dazu die folgenden Eigenschaften definiert: Konsistenz, lokale und globale Stabilität, numerische Konvergenz. Es werden Klassen solcher Algorithmen angegeben mit der folgenden Eigenschaft: Aus Konsistenz und lokaler Stabilität, zusammen mit einem passenden Abbrechkriterium, folgt numerische Konvergenz. Es wird gezeigt, daß alle bis heute bekannten Ergebnisse aus zwei Sätzen über monotone Algorithmen ableitbar sind.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02260315
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  • 8
    Electronic Resource
    Electronic Resource
    Quadraturverfahren mit Fehlerschranken (1968)
    Springer
    Computing 3 (1968), S. 47-64 
    Details
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Summary With the aid of an errorbound arithmetic (see [4]), formulas are given for the computation of approximate valuesplus errorbounds for integrals. In the simplest case,no further information is required about the integrand (e. g. bounds for derivatives, etc.). The formulas can be given for each order of exactitude, the order for the approximate value being, in general, one higher than the order of the errorbounds. Examples show that the errorbounds are generally very sharp. It is possible to use the information given by the errorbounds for the fully automatic ending of the quadrature at the “optimal” point.
    Notes: Zusammenfassung Mit Hilfe einer Fehlerschrankenarithmetik (vgl. [4]) werden Formeln zur Berechnung von Näherungswertenplus Fehlerschranken für bestimmte Integrale angegeben. Im einfachsten Fall werdenkeine weiteren Informationen über den Integranden gefordert (wie etwa Schranken für Ableitungen, etc.). Die Formeln lassen sich für jede Genauigkeitsordnung aufstellen, die Ordnung für den Näherungswert ist i. a. um Eins höher als für die Fehlerschranken. Beispiele zeigen, daß die Schranken sehr scharf sind. Man kann die durch die Schranken vermittelte Information zum vollautomatischen Abbrechen der Quadratur an der “günstigsten” Stelle benutzen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02238104
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  • 9
    Electronic Resource
    Electronic Resource
    Lösung eines speziellen Minimumproblems (1950)
    Springer
    Mathematische Zeitschrift 53 (1950), S. 21-52 
    Details
    ISSN: 1432-1823
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01175578
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  • 10
    Electronic Resource
    Electronic Resource
    über spezielle Systeme von Tragflügelgittern II (1955)
    Springer
    Archive of applied mechanics 23 (1955), S. 102-118 
    Details
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00536763
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