Projections indicate the FPF at FCC-hh can extend reach for light long-lived heavy neutrinos and Z' bosons in chiral U(1) models beyond existing experiments via meson decays and bremsstrahlung.
Ma, Phys
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abstract
If there is no new physics beyond the TeV energy scale, such as in a theory of large extra dimensions, the smallness of the seesaw neutrino mass, i.e. $m_\nu = m_D^2/m_N$, cannot be explained by a very large $m_N$. In contrast to previous attempts to find an alternative mechanism for a small $m_\nu$, I show how a solution may be obtained in a simple extension of the Standard Model, without using any ingredient supplied by the large extra dimensions. It is also experimentally testable at future accelerators.
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hep-ph 2years
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The paper identifies promising parameter regions for observing same-sign tetralepton events from charged Higgs pair and single production decaying to muons and heavy neutral leptons at μTRISTAN.
citing papers explorer
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Forward Searches for Heavy Neutrinos and $Z'$ Bosons at FCC-hh
Projections indicate the FPF at FCC-hh can extend reach for light long-lived heavy neutrinos and Z' bosons in chiral U(1) models beyond existing experiments via meson decays and bremsstrahlung.
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Same-Sign Tetralepton Signature at $\mu$TRISTAN
The paper identifies promising parameter regions for observing same-sign tetralepton events from charged Higgs pair and single production decaying to muons and heavy neutral leptons at μTRISTAN.