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  • Open Access

Worldsheet for Generalized Veneziano Amplitudes

Shota Komatsu1,* and Pronobesh Maity2,†

  • 1Department of Theoretical Physics, CERN, 1211 Meyrin, Switzerland
  • 2Laboratory for Theoretical Fundamental Physics, EPFL, Rte de la Sorge, Lausanne, Switzerland

  • *Contact author: shota.komatsu@cern.ch
  • †Contact author: pronobesh.maity@epfl.ch
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Phys. Rev. Lett. 137, 021601 – Published 7 July, 2026

DOI: https://doi.org/10.1103/bplf-h1vx

Abstract

We present a worldsheet action that reproduces a class of dual resonance amplitudes discussed in the literature, which generalize the Veneziano amplitude for open strings. Our proposal builds on the chiral composite linear dilaton introduced recently. We further compute higher-point extensions and closed-string analogs, which exhibit partial crossing symmetry.

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Phys. Rev. Lett. 137, 021601– Published 7 July, 2026
  • Received 8 February 2026
  • Accepted 18 May 2026
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