Search Results - (Author, Cooperation:M. Melles)

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  1. 1
    Staff View
    Publication Date:
    2012-06-23
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    Arctic Regions ; *Climate Change ; *Cold Climate ; Geologic Sediments ; Ice Cover ; *Lakes ; Radiometric Dating ; Russia ; Time Factors
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    J. Brigham-Grette ; M. Melles ; P. Minyuk ; A. Andreev ; P. Tarasov ; R. DeConto ; S. Koenig ; N. Nowaczyk ; V. Wennrich ; P. Rosen ; E. Haltia ; T. Cook ; C. Gebhardt ; C. Meyer-Jacob ; J. Snyder ; U. Herzschuh
    American Association for the Advancement of Science (AAAS)
    Published 2013
    Staff View
    Publication Date:
    2013-05-11
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Melles, M. ; Reinhold, C.O. ; Burgdorfer, J.

    Amsterdam : Elsevier
    Staff View
    ISSN:
    0168-583X
    Source:
    Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://linkinghub.elsevier.com/retrieve/pii/0168-583X(93)95299-K

    Articles: DFG German National Licenses
  4. 4
    Melles, M. ; Stirling, W.J.
    Springer
    Published 1999
    Staff View
    ISSN:
    1434-6052
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract. We present quantitative results on the cross section for $\gamma + \gamma \left( J_z=0 \right) \longrightarrow b \bar{b}\longrightarrow$ two b–jets based on the recently achieved all orders resummation of large soft (Sudakov) and hard (non-Sudakov) double logarithms. The next–to–leading order QCD perturbative corrections are included exactly. We find that one needs to include at least four loops for the novel hard leading logarithms, on the cross section level, in order to be safe from large opposite sign cancellations that plagued earlier phenomenological studies. We find that the background to intermediate mass Higgs boson production at a future photon linear collider (PLC) is thus reasonably well under control and should allow the direct determination of the partial Higgs width $\Gamma \left( H \longrightarrow \gamma + \gamma \right)$ . Assuming high efficiency b-tagging, the total Higgs width measurement at a PLC is thus a realistic goal.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/s100529900025

    Articles: DFG German National Licenses
  5. 5
    Melles, M.
    Springer
    Published 2002
    Staff View
    ISSN:
    1434-6052
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract. Recent investigations of electroweak radiative corrections have revealed the importance of higher order contributions in high energy processes, where the size of typical corrections can exceed those associated with QCD considerably. Beyond one loop, only universal (angular independent) corrections are known to all orders except for massless $e^+ e^- \rightarrow f {\overline f}$ processes, where also angle dependent corrections exist in the literature. In this paper we present general arguments for the consistent resummation of angle dependent subleading (SL) logarithmic corrections to all orders in the regime where all invariants are still large compared to the gauge boson masses. We discuss soft isospin correlations, fermion mass and gauge boson mass gap effects, the longitudinal and Higgs boson sector as well as mixing contributions including CKM effects for massive quarks. Two loop results for the right handed Standard Model are generalized in the context of the high energy effective theory based on the standard model Lagrangian in the symmetric basis with the appropriate matching conditions to include the soft QED regime. The result is expressed in exponentiated operator form in a CKM extended isospin space in the symmetric basis. Thus, a full electroweak SL treatment based on the infrared evolution equation method is formulated for arbitrary high energy processes at future colliders. Comparisons with known results are presented.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/s100520200942

    Articles: DFG German National Licenses