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Abstract:

We study the decay of a very massive closed superstring (i.e. α′M 2 ≥ 1) in the unique state of maximum angular momentum. This is done in flat ten-dimensional spacetime and in the regime of weak string coupling, where the dominant decay channel is into two states of masses M 1, M 2. We find that the lifetime surprisingly grows with the first power of the mass M: T = cα′ M. We also compute the decay rate for each values of M 1, M 2. We find that, for large M, the dynamics selects only special channels of decay: modulo processes which are exponentially suppressed, for every decay into a state of given mass M 1, the mass M 2 of the other state is uniquely determined. © SISSA/ISAS 2002.

Registro:

Documento: Artículo
Título:The decay of massive closed superstrings with maximum angular momentum
Autor:Lengo, R.; Russo, J.G.
Filiación:International School for Advanced Studies (SISSA), Via Beirut 2-4, 1-34013 Trieste, Italy
INFN, Sezione di Trieste, Italy
Theory Division, CERN, CH-1211 Geneva 23, Switzerland
Departamento de Fíica, Universidad de Buenos Aires and Conicet, Ciudad Universitaria, Pab. I, 1428 Buenos Aires, Argentina
Palabras clave:Conformal Field Models in String Theory; Superstrings and Heterotic Strings
Año:2002
Volumen:6
Número:11
Página de inicio:937
Página de fin:954
Título revista:Journal of High Energy Physics
Título revista abreviado:J. High Energy Phys.
ISSN:10298479
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v6_n11_p937_Lengo

Referencias:

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Citas:

---------- APA ----------
Lengo, R. & Russo, J.G. (2002) . The decay of massive closed superstrings with maximum angular momentum. Journal of High Energy Physics, 6(11), 937-954.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v6_n11_p937_Lengo [ ]
---------- CHICAGO ----------
Lengo, R., Russo, J.G. "The decay of massive closed superstrings with maximum angular momentum" . Journal of High Energy Physics 6, no. 11 (2002) : 937-954.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v6_n11_p937_Lengo [ ]
---------- MLA ----------
Lengo, R., Russo, J.G. "The decay of massive closed superstrings with maximum angular momentum" . Journal of High Energy Physics, vol. 6, no. 11, 2002, pp. 937-954.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v6_n11_p937_Lengo [ ]
---------- VANCOUVER ----------
Lengo, R., Russo, J.G. The decay of massive closed superstrings with maximum angular momentum. J. High Energy Phys. 2002;6(11):937-954.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10298479_v6_n11_p937_Lengo [ ]