Phenomenology of the minimal B-L extension of the Standard model: Z' and neutrinos
Phenomenology of the minimal B-L extension of the Standard model: Z' and neutrinos
We present the Large Hadron Collider (LHC) discovery potential in the Z? and heavy neutrino sectors of a U(1)B-L enlarged standard model also encompassing 3 heavy Majorana neutrinos. This model exhibits novel signatures at the LHC, the most interesting arising from a Z? decay chain involving heavy neutrinos, eventually decaying into leptons and jets. In particular, this signature allows one to measure the Z? and heavy neutrino masses involved.
In addition, over a large region of the parameter space, the heavy neutrinos are rather long-lived particles producing distinctive displaced vertices that can be seen in the detectors. Lastly, the simultaneous measurement of both the heavy neutrino mass and decay length enables an estimate of the absolute mass of the parent light neutrino.
hep-ph
55030
Basso, Lorenzo
c9d03f26-0be7-487c-8810-ae3b9ffa924c
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Shepherd-Themistocleous, Claire H.
02e9b880-a622-4ad1-9b20-db7ed25b2fa8
25 September 2009
Basso, Lorenzo
c9d03f26-0be7-487c-8810-ae3b9ffa924c
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Shepherd-Themistocleous, Claire H.
02e9b880-a622-4ad1-9b20-db7ed25b2fa8
Basso, Lorenzo, Belyaev, Alexander, Moretti, Stefano and Shepherd-Themistocleous, Claire H.
(2009)
Phenomenology of the minimal B-L extension of the Standard model: Z' and neutrinos.
Physical Review D, 80 (5), .
(doi:10.1103/PhysRevD.80.055030).
Abstract
We present the Large Hadron Collider (LHC) discovery potential in the Z? and heavy neutrino sectors of a U(1)B-L enlarged standard model also encompassing 3 heavy Majorana neutrinos. This model exhibits novel signatures at the LHC, the most interesting arising from a Z? decay chain involving heavy neutrinos, eventually decaying into leptons and jets. In particular, this signature allows one to measure the Z? and heavy neutrino masses involved.
In addition, over a large region of the parameter space, the heavy neutrinos are rather long-lived particles producing distinctive displaced vertices that can be seen in the detectors. Lastly, the simultaneous measurement of both the heavy neutrino mass and decay length enables an estimate of the absolute mass of the parent light neutrino.
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Published date: 25 September 2009
Additional Information:
REVTeX, 32 pages, 14 figures
Keywords:
hep-ph
Organisations:
Theory Group, Physics & Astronomy
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Local EPrints ID: 141696
URI: http://eprints.soton.ac.uk/id/eprint/141696
ISSN: 1550-7998
PURE UUID: b4f4b6a7-fd0e-469e-a9e9-71d134dd965e
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Date deposited: 21 May 2010 13:45
Last modified: 14 Mar 2024 02:52
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Author:
Lorenzo Basso
Author:
Claire H. Shepherd-Themistocleous
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