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dc.contributor.author
Donnay, Laura
dc.contributor.author
Giribet, Gaston Enrique
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González, Hernán
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Puhm, Andrea
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Rojas, Francisco
dc.date.available
2024-02-26T12:07:33Z
dc.date.issued
2023-10
dc.identifier.citation
Donnay, Laura; Giribet, Gaston Enrique; González, Hernán; Puhm, Andrea; Rojas, Francisco; Celestial open strings at one-loop; Springer; Journal of High Energy Physics; 2023; 10; 10-2023; 1-20
dc.identifier.issn
1029-8479
dc.identifier.uri
http://hdl.handle.net/11336/228318
dc.description.abstract
We study celestial amplitudes in string theory at one-loop. Celestial amplitudes describe scattering processes of boost eigenstates and relate to amplitudes in the more standard basis of momentum eigenstates through a Mellin transform. They are thus sensitive to both the ultraviolet and the infrared, which raises the question of how to appropriately take the field theory limit of string amplitudes in the celestial basis. We address this problem in the context of four-dimensional genus-one scattering processes of gluons in open string theory which reach the two-dimensional celestial sphere at null infinity. We show that the Mellin transform commutes with the adequate limit in the worldsheet moduli space and reproduces the celestial one-loop field theory amplitude expressed in the worldline formalism. The dependence on α ′ continues to be a simple overall factor in one-loop celestial amplitudes albeit with a power that is shifted with respect to tree-level, thus making manifest that the dimensionless parameter g102/α′3 organizes the loop expansion in the celestial basis. The precise way in which the amplitudes scale with this parameter depends on the number of non-compact dimensions in such a way that in 4 dimensions the scaling with α ′ does agree with that at tree-level.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
CONFORMAL AND W SYMMETRY
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SCATTERING AMPLITUDES
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SUPERSTRINGS AND HETEROTIC STRINGS
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Física de Partículas y Campos
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Celestial open strings at one-loop
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-22T11:05:26Z
dc.journal.volume
2023
dc.journal.number
10
dc.journal.pagination
1-20
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Donnay, Laura. Scuola Internazionale Superiore Di Studi Avanzati; Italia. Istituto Nazionale di Fisica Nucleare; Italia
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Fil: Giribet, Gaston Enrique. University of New York; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
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Fil: González, Hernán. Universidad Adolfo Ibañez; Chile
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Fil: Puhm, Andrea. École Polytechnique; Francia
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Fil: Rojas, Francisco. Universidad Adolfo Ibañez; Chile
dc.journal.title
Journal of High Energy Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/JHEP10(2023)047
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/JHEP10(2023)047
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