@misc{10481/108365,
year = {2025},
month = {6},
url = {https://hdl.handle.net/10481/108365},
abstract = {Heavy lepton singlets N slightly mixed with a standard neutrino νℓ are usually
searched for at the LHC in the trilepton plus p
miss
T
channel: pp → W+ → ℓ
+N with
N → ℓ
−W+ → ℓ
−ℓ
′+
ν. We show that, although the longitudinal momentum of the final ν
escapes detection, the mass of the heavy lepton can be reconstructed. While this possibility
has not been considered in recent LHC searches, we find that the search for a mass peak
could improve the current collider bounds on the mixing |VℓN |
2
for any mass mN ≥ MW .},
organization = {MICIU/AEI/10.13039/501100011033/ (grants PID2022-14044NB-C21
and PID2022-139466NB-C22)},
organization = {Junta de Andalucía (FQM 101)},
organization = {Unión Europea, Next Generation (grants AST22_6.5 and AST22_8.4)},
publisher = {Springer},
keywords = {Specific BSM Phenomenology},
keywords = {Vector-Like Fermions},
keywords = {Electroweak Precision Physics},
title = {Reconstructing a Heavy Neutral Lepton at the LHC},
doi = {10.1007/JHEP06(2025)129},
author = {De la Torre Domínguez, Pablo and Masip Mellado, Manuel and Vilches, Fuensanta},
}