Signatures for Majorana Neutrinos at Hadron Colliders

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Tao Han^1,2,3 and Bin Zhang²
¹Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
²Center for High Energy Physics, Tsinghua University, Beijing 100084, People's Republic of China
³Institute of Theoretical Physics, Academia Sinica, Beijing 100080, People's Republic of China

Received 11 April 2006; published 25 October 2006

TheMajorana nature of neutrinos may only be experimentally verified vialepton-number violating processes involving charged leptons. We explore the Delta L=2like-sign dilepton production at hadron colliders to search for signalsof Majorana neutrinos. We find significant sensitivity for resonant productionof a Majorana neutrino in the mass range of 10–80 GeVat the current run of the Tevatron with 2 fb^-1 integratedluminosity and in the range of 10–400 GeV at the CERNLHC with 100 fb^-1.

URL:	http://link.aps.org/doi/10.1103/PhysRevLett.97.171804
DOI:	10.1103/PhysRevLett.97.171804
PACS:	14.60.Pq; 13.15.+g; 13.85.Qk; 14.60.St 14.60.Pq Neutrino mass and mixing 13.15.+g Neutrino interactions 13.85.Qk Hadron-induced inclusive production with identified leptons, photons, or other nonhadronic particles (energy > 10 GeV) 14.60.St Non-standard-model neutrinos, right-handed neutrinos, etc. YEAR: 2006

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