Bounds on large extra dimensions from photon fusion process in SN1987A

Details Bounds on large extra dimensions from photon fusion process in SN1987A Bounds on large extra dimensions from photon fusion process in SN1987A

2008-05-22

arxiv.org/abs/0805.3429v1

Astronomy and Astrophysics

Astrophysics

To appear in JCAP

Scientific paper

10.1088/1475-7516/2008/06/011

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 $M_* \gtrsim$ 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 $M_*$. 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 $n=3$ .

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