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Keywords
(10)
Cp Violation
Gauge Theory
Large Hadron Collider
Lepton Number Violation
Symmetry Breaking
Theory and Modeling
Left Right
Right Handed
Standard Model
Vacuum Expectation Value
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Leftright symmetry at LHC
Leftright symmetry at LHC,10.1103/PhysRevD.82.055022,Physical Review D,Alessio Maiezza,Miha Nemevsek,Fabrizio Nesti,Goran Senjanovic
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Leftright symmetry at LHC
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Alessio Maiezza
,
Miha Nemevsek
,
Fabrizio Nesti
,
Goran Senjanovic
We revisit the issue of the limit on the scale of leftright symmetry breaking. We focus on the minimal SU(2)L×SU(2)R×U(1)BL
gauge theory
with the seesaw mechanism and discuss the two possibilities of defining leftright symmetry as parity or charge conjugation. In the commonly adopted case of parity, we perform a complete numerical study of the quark mass matrices and the associated left and right mixing matrices without any assumptions usually made in the literature about the ratio of vacuum expectation values. We find that the usual lower limit on the mass of the righthanded gauge boson from the K mass difference, MWR>2.5TeV, is subject to a possible small reduction due to the difference between right and left Cabibbo angles. In the case of charge conjugation the limit on MWR is somewhat more robust. However, the more severe bounds from CPviolating observables are absent in this case. In fact, the free phases can also resolve the present mild discrepancy between the
standard model
and
CP violation
in the B sector. Thus, even in the minimal case, both charged and neutral gauge bosons may be accessible at the
Large Hadron Collider
with spectacular signatures of lepton number violation.
Journal:
Physical Review D  PHYS REV D
, vol. 82, 2010
DOI:
10.1103/PhysRevD.82.055022
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Citation Context
(1)
...4 Even more stringent bounds would come from CP violating observables again in the K sector, but these bounds are much more model dependent [
32
]...
Diego Guadagnoli
,
et al.
Gauged flavor group with leftright symmetry
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Citations
(1)
Gauged flavor group with leftright symmetry
Diego Guadagnoli
,
Rabindra N. Mohapatra
,
Ilmo Sung
Journal:
Journal of High Energy Physics  J HIGH ENERGY PHYS
, vol. 2011, no. 4, pp. 126, 2011