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Prescriptions for off-shell bosonic string amplitudes

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Quantum Aspects of Gauge Theories, Supersymmetry and Unification

Part of the book series: Lecture Notes in Physics ((LNP,volume 525))

Abstract

We give, in the framework of the bosonic string theory, simple prescriptions for computing, at tree and one-loop levels, off-shell string amplitudes for open and closed string massless states. In particular we obtain a tree amplitude for three open strings that in the field theory limit coincides with the three-gluon vertex in the usual covariant gauge and two-string one-loop amplitudes satisfying the property of transversality.

Talk delivered by one of the authors (R. M.) at the Mid-Term TMR meeting, Corfù (Greece), 20–26 September 1998. Work partially supported by the European Commission TMR programme ERBFMRX-CT96-0045 (Nordita-Copenhagen and Università di Napoli).

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Authors and Affiliations

  1. Dipartimento di Scienze Fisiche, Università di Napoli and I.N.F.N., Sezione di Napoli, Mostra d’Oltremare, Pad. 19, I-80125, Napoli, Italy

    Luigi Cappiello, Antonella Liccardo, Roberto Pettorino & Franco Pezzella

  2. Nordita, Blegdamsvej 17, DK-2100, Copenhagen Ø, Denmark

    Raffaele Marotta

Authors
  1. Luigi Cappiello
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  2. Antonella Liccardo
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  3. Raffaele Marotta
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  4. Roberto Pettorino
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  5. Franco Pezzella
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Editor information

A. Ceresole C. Kounnas D. Lüst S. Theisen

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© 1999 Springer-Verlag

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Cappiello, L., Liccardo, A., Marotta, R., Pettorino, R., Pezzella, F. (1999). Prescriptions for off-shell bosonic string amplitudes. In: Ceresole, A., Kounnas, C., Lüst, D., Theisen, S. (eds) Quantum Aspects of Gauge Theories, Supersymmetry and Unification. Lecture Notes in Physics, vol 525. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0104267

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  • DOI: https://doi.org/10.1007/BFb0104267

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-66005-7

  • Online ISBN: 978-3-540-48792-0

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