Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 29, Issue 24, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X14501383
Keywords
Excited neutrino; CLIC
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We analyze the single and pair production of excited neutrinos at the CLIC through the processes e(+)e(-) -> upsilon*upsilon(-) -> e(+) e -. e+gamma*e(-) -> e(+)upsilon*W- and e(+)e(-) -> e(+)gamma*gamma*e(-) -> e(+) upsilon*(upsilon) over bar *e(-) (gamma* s the Weizsacker-Williams photon). We examine comprehensively the excited neutrino signal and corresponding backgrounds to obtain limits on excited neutrino mass for various values of the integrated luminosity and center-of-mass energy. We show that the obtained bounds are more restricted than current experimental bounds.
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