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  • 1
    Electronic Resource
    Electronic Resource
    Thin, high gain wire chambers for electromagnetic presampling in OPAL
    Amsterdam : Elsevier
    Nuclear Instruments and Methods in Physics Research Section A: 286 (1990), S. 117-127 
    Details
    ISSN: 0168-9002
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9002(90)90213-P
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Operative Behandlung des Vulva-Karzinoms und plastische Deckung von Vulva-Defekten (1989)
    Springer
    Archives of gynecology and obstetrics 245 (1989), S. 504-512 
    Details
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Heute sind die wissenschaftlichen und klinischen Fakten für ein differenziert-individualisiertes Vorgehen in der chirurgischen Behandlung des Vulva-Karzinoms weitgehend etabliert. Die organerhaltenden Eingriffe sind nur bei «Frühfällen» aufgrund sorgfältigster histopathologischer Tumorbeschreibung indiziert. Die funktionellen und kosmetischen Früh- und Spätergebnisse bei erweitert radikalen Operationen werden durch zusätzlich plastisch-wiederherstellende Maßnahmen optimiert, bei gleichzeitiger Senkung der perioperativen Morbidität. In der nächsten Zukunft kann möglicherweise die 5-Jahres-Überlebensrate bei N-positiven Patienten durch eine neo-adjuvante Chemotherapie erhöht werden.
    Notes: Summary In recent years sufficient scientific and clinical data have become available to establish an individualized treatment plan for each patient suffering from vulvar carcinoma. Organ-preserving operations are strictly confined to “early cases” as described by a careful histopathology of the primary lesion. The high perioperative morbidity and the bad cosmetic results of extended radical vulvectomy are definitely improved by additional plastic reconstructive procedures. Neoadjuvant chemotherapy probably results in a better survival rate in lymph node positive patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02417399
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Final state photon bremsstrahlung ine + e −→Z 0→hadrons as a tool for a precise measurement of the weak quark couplings (1991)
    Springer
    The European physical journal 52 (1991), S. 31-41 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We discuss for the processe + e −→Z 0→q $$\bar q$$ how final state photons can be used to disentangle the weak couplings of up and down type quarks. Since the flavour composition of multihadronic events with final state photons is different from that of all multihadrons, a combination of observables from the two samples allows the couplings to be determined. Both theZ 0 width and the forward-backward charge asymmetry at centre-of-mass energies aroundM Z0 can be used to constrain the weak couplings. Taking into account the theoretical uncertainties a precision for the sum of the square axial and vector couplings of δ(v 2+a 2)∼4% for up and down type quarks separately seems feasible for 106 Z 0's. The precision from asymmetry measurements will be less significant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412324
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    On the comparison of matrix element calculations ofO(ααs) with the measurement of photon emission in hadronicZ 0 decays (1993)
    Springer
    The European physical journal 60 (1993), S. 613-632 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The uncertainties in interpreting photon bremsstrahlung in the process $$e^ + e^ - \to Z^0 \to q\bar q$$ with matrix element calculations ofO(ααs) are discussed. We address the stability of the calculations with respect to the emission of collinear photons and to higher-order QCD corrections and discuss the bias due to experimental photon isolation cuts. We analyze the resulting uncertainties for various procedures to define an event with a final state photon. Of particular interest are (i) a two-step procedure where first jets are reconstructed from hadrons alone and in a second step the photon is required to be isolated from these jets, and (ii) a ‘democratic’ procedure where the photon is inculded in the jet reconstruction but a certain maximum hadronic energy is allowed in the photon jet. In both cases we estimate that the uncertainties of the theoretical predictions, hadronization effects and the experimental photon isolation are of the order of 4%. To obtain this level of accuracy, however, the democratic procedure requires very hard cuts that reduce the event samples significantly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01558390
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    Paper (German National Licenses)
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