@Article{Barenboim+Salvado2017, author="Barenboim, G. and Salvado, J.", title="Cosmology and CPT violating neutrinos", journal="European Physical Journal C", year="2017", publisher="Springer", volume="77", number="11", pages="766 - 18pp", abstract="The combination charge conjugation-parity-time reversal (CPT) is a fundamental symmetry in our current understanding of nature. As such, testing CPT violation is a strongly motivated path to explore new physics. In this paper we study CPT violation in the neutrino sector, giving for the first time a bound, for a fundamental particle, in the CPT violating particle-antiparticle gravitational mass difference. We argue that cosmology is nowadays the only data sensitive to CPT violation for the neutrino-antineutrino mass splitting and we use the latest data release from Planck combined with the current baryonic-acoustic-oscillation measurement to perform a full cosmological analysis. To show the potential of the future experiments we also show the results for Euclid, a next generation large scale structure experiment.", optnote="WOS:000415376100002", optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=3378), last updated on Tue, 05 Dec 2017 11:05:04 +0000", issn="1434-6044", doi="10.1140/epjc/s10052-017-5347-y", opturl="http://arxiv.org/abs/1707.08155", opturl="https://doi.org/10.1140/epjc/s10052-017-5347-y", archivePrefix="arXiv", eprint="1707.08155", language="English" }