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  1. No Access

    Chapter and Conference Paper

    Rotational dynamics in anisotropic confinement

    Quasi-elastic nuclear resonant forward scattering experiments of the model glass former DBP:FC (Dibutylphthalate:Ferrocene) have been performed in anisotropic confinement, yielding complex spectra. A model for...

    G. Wellenreuther, H. Franz, U. v. Bürck, I. Sergueev in ICAME 2005 (2007)

  2. No Access

    Article

    Rotational dynamics in anisotropic confinement

    Quasi-elastic nuclear resonant forward scattering experiments of the model glass former DBP:FC (Dibutylphthalate:Ferrocene) have been performed in anisotropic confinement, yielding complex spectra. A model for...

    G. Wellenreuther, H. Franz, U. v. Bürck, I. Sergueev in Hyperfine Interactions (2005)

  3. No Access

    Article

    Confined phonons in glasses

    We have applied nuclear inelastic absorption (NIA) to the molecular glass former dibutyl phthalate/ferrocene, both in bulk and in nanoporous matrices having pore sizes of 50 and 25 Å. The quantity g(E)/E ...

    T. Asthalter, M. Bauer, U. van Bürck, I. Sergueev… in The European Physical Journal E (2003)

  4. No Access

    Article

    Phonons in Confinement and the Boson Peak Using Nuclear Inelastic Absorption

    We have applied nuclear inelastic absorption (NIA) to the molecular glass former dibutylphthalate/ferrocene, both in bulk and in nanoporous matrices having pore sizes of 50 and 25 Å, respectively. The quantity g(

    T. Asthalter, M. Bauer, U. van Bürck, I. Sergueev, H. Franz… in Hyperfine Interactions (2002)

  5. No Access

    Article

    Investigations of Solid State Dynamics at the NRSSR Beamline at PETRA II. An Overview

    The present status of the new nuclear resonance beamline PETRA 1 at HASYLAB, DESY, Hamburg is described. Besides an overview of the experimental setup some examples of recent experiments are given. Those cover...

    H. Franz, T. Asthalter, M. Dommach, A. Ehnes, K. Messel… in Hyperfine Interactions (2002)

  6. No Access

    Chapter and Conference Paper

    Glass dynamics and scaling behaviour under pressure using quasielastic nuclear forward scattering

    We have investigated the influence of pressure on the α-relaxation in dibutylphthalate/ferrocene using quasielastic nuclear forward scattering of synchrotron radiation, in a temperature range between 150 and 2...

    T. Asthalter, I. Sergueev, H. Franz, W. Petry, K. Messel… in Hyperfine Interactions (C) (2002)

  7. No Access

    Chapter and Conference Paper

    Excitation of the nuclear resonance in 61Ni at 67.4 keV by Synchrotron Radiation

    We report on the first observation of the excitation of the nuclear resonance in 61Ni by synchrotron radiation. Ni is an element very important in the field of magnetism, chemistry, biology and material science. ...

    H.-C. Wille, M. Gerken, E. Gerdau, Yu. V. Shvyd’ko… in Hyperfine Interactions (C) (2002)

  8. No Access

    Article

    Quasielastic nuclear forward scattering as a background-free probe of slow glass dynamics in confined geometries

    The microscopic dynamics of dibutylphthalate/ferrocene in nanoporous silica matrices with pore sizes of 25, 50, 75, and 200 Å, respectively, has been investigated in a temperature range between 70 and 200 K by...

    T. Asthalter, I. Sergueev, H. Franz… in The European Physical Journal B - Condense… (2001)

  9. No Access

    Article

    The nuclear-resonance-scattering station at the PETRA II undulator beamline

    PETRA II, a 12 GeV accelerator at DESY, Hamburg, is used to produce synchrotron radiation (SR) for experiments in the hard X-ray regime when it is not running as injector for HERA. The beam from an undulator i...

    H. Franz, B. Hukelmann, J.R. Schneider in Hyperfine Interactions (2000)

  10. No Access

    Article

    The low energy limit of the minimal nonlinear supersymmetric SU(5)-model; production and decay of Higgs particles

    We consider the Higgssector in the low energy limit of the minimal nonlinear supersymmetric SU(5) model. We estimate radiative corrections to the Higgs masses using the effective potential. Furthermore Higgs ...

    H. Franz, B.R. Kim, M. Weber in The European Physical Journal C - Particles and Fields (1999)

  11. No Access

    Article

    Quasielastic scattering: slow dynamics of glasses

    The dynamics of glasses shows some distinct differences with respect to the crystalline state. Both in the short time regime (boson peak) and the microscopically slow regime (alpha- and beta-relaxation) there ...

    H. Franz, W. Petry, A.Q.R. Baron in Hyperfine Interactions (1999)

  12. No Access

    Chapter

    The Wind Program: 1998–2000

    The primary ISTP-related mission of the WIND spacecraft is to provide information on the solar wind input to the magnetosphere. Since its launch in November 1994, WIND has spent much of its time in double-luna...

    M. D. Desch, K. W. Ogilvie, H. Franz in Interball in the ISTP Program (1999)

  13. No Access

    Article

    The low energy effective Higgs potential of the minimal nonlinear supersymmetric SU(5)-model and its phenomenology

    The low energy effective Higgs potential of the minimal nonlinear supersymmetric SU(5)-Model is derived. The physical Higgs particle spectra are the same as those of the linear supersymmetric model MSSM: two ...

    H. Franz, B.R. Kim, M. Weber in The European Physical Journal C - Particles and Fields (1998)

  14. No Access

    Article

    Dissociation of the proton into (pπ+π−) in the reaction pp → ppπ+π− at 12 and 24 GeV/c

    Results from a study including a partial-wave analysis of the low-mass pπ+π− system produced in pp → p(pπ+π−) at 12 and 24 GeV/c are reported. The pπ+π− mass spectrum starts with a sharp rise, similar to that obs...

    U. Idschok, B. Schröder, V. Blobel, H. Franz, D. Lüers… in Il Nuovo Cimento A (1965-1970) (1978)

  15. No Access

    Article

    Die Umwandlung von Bor durch langsame Neutronen

    Die Energie von He+Li-Kern wurde in einer Ionisationskammer, die mit Argon unter Zusatz von einigen Prozenten BF3 oder B(OCH3)3 gefüllt war, mit einem Proportionalverstärker gemessen. Zur Energieeichung wurde ein...

    H. Fränz, H. Westmeyer in Zeitschrift für Physik (1950)

  16. No Access

    Book

    Elektronen · Atome Ionen

    W. Bothe, H. Fränz, W. Gerlach, O. Hahn… in Handbuch der Physik (1933)

  17. No Access

    Chapter

    Atomkerne

    Die modernen Kenntnisse über den Bau der Atome basieren im wesentlichen auf Experimenten über den Durchgang von Kathoden-α- und Röntgenstrahlen durch Materie. Schon die ersten Versuche dieser Art hatten zu der...

    Dr. Kurt Philipp, Lise Meitner, H. Fränz, W. Bothe in Elektronen · Atome Ionen (1933)

  18. No Access

    Article

    Messungen mit Hilfe von flüssigem Helium. XVI

    Herkunft der untersuchten Substanzen. Widerstand von Titan-, Hafnium-, Zirkon-, Tantal- und Eisencarbid. Widerstand von Titan- und Zirkonnitrid. Widerstand von Hafnium-, Titan- und Zirkonborid. Widerstand von ...

    W. Meissner, H. Franz, H. Westerhoff in Zeitschrift für Physik (1932)

  19. No Access

    Article

    Messungen mit Hilfe von flüssigem Helium. IX. Supraleitfähigkeit von Carbiden and Nitriden

    Über die Supraleitfähigkeit einer größeren Zahl von Carbiden und Nitriden ist schon kurz berichtet worden. Im folgenden sind die Messungsergebnisse für verschiedene Verbindungen genauer mitgeteilt und nähere A...

    W. Meissner, H. Franz in Zeitschrift für Physik (1930)

  20. Article

    Zertrümmerungsversuche an Bor mit α-Strahlen von RaC′

    H. Fränz in Zeitschrift für Physik (1930)

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