Bounds on large extra dimensions from photon fusion process in SN1987A

Abstract

The constraint on the ADD model of extra dimensions coming from photon annihilation into Kaluza-Klein graviton in supernova cores is revisited. In the two photon process for a conservative choice of the core parameters, we obtain the bound on the fundamental Planck scale $M_{\ast }\gtrsim$ 1.6 TeV. The combined energy loss rate due to nucleon-nucleon brehmstrahlung and photon annihilation processes is rederived, which shows that the combined bounds add only second decimal place to $M_{\ast }$. The present study can strengthen the results that are available in the current literature for the graviton emission from SN1987A which puts a very strong constraints on models with large extra dimensions for the case of $n=3$ .

To appear in JCAP

References in corpus (3)

• Supernova and neutron-star limits on large extra dimensions reexamined
• Helicity Formalism for Spin-2 Particles
• Bounds on large extra dimensions from photon fusion process in SN1987A

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• Bounds on large extra dimensions from photon fusion process in SN1987A
• Understanding Gravity: Some Extra Dimensional Perspectives
• Gravity and Large Extra Dimensions