SN1987A Constraints on Large Compact Dimensions

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Recently there has been a lot of interest in models in which gravity becomes strong at the TeV scale. The observed weakness of gravitational interactions is then explained by the existence of extra compact dimensions of space, which are accessible to gravity but not to Standard Model particles. In this letter we consider graviton emission into these extra dimensions from a hot supernova core. The phenomenology of SN1987A places strong constraints on this energy loss mechanism, allowing us to derive a bound on the fundamental Planck scale. For the case of two extra dimensions we obtain a very strong bound ... continued below

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9 pages

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Perelstein, Maxim March 23, 1999.

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Description

Recently there has been a lot of interest in models in which gravity becomes strong at the TeV scale. The observed weakness of gravitational interactions is then explained by the existence of extra compact dimensions of space, which are accessible to gravity but not to Standard Model particles. In this letter we consider graviton emission into these extra dimensions from a hot supernova core. The phenomenology of SN1987A places strong constraints on this energy loss mechanism, allowing us to derive a bound on the fundamental Planck scale. For the case of two extra dimensions we obtain a very strong bound of M {ge} 50 TeV, which corresponds to a radius R {le} 0.3 {micro}m. While there are a lot of sources of uncertainty associated with this bound, we find that pushing it down to the few-TeV range, which could in principle be probed by ground-based experiments, is disfavored. For three or more extra dimensions the SN1987A constraints do not exclude a TeV gravitational scale.

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9 pages

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  • Other Information: PBD: 23 Mar 1999

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  • Report No.: SLAC-PUB-8084
  • Grant Number: AC03-76SF00515
  • DOI: 10.2172/10028 | External Link
  • Office of Scientific & Technical Information Report Number: 10028
  • Archival Resource Key: ark:/67531/metadc624810

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  • March 23, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 2, 2016, 6:01 p.m.

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Perelstein, Maxim. SN1987A Constraints on Large Compact Dimensions, report, March 23, 1999; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc624810/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.