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Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV

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Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 1, No. 1, 03.1998, p. 45-64.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

OPAL Collaboration 1998, 'Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV', European Physical Journal C: Particles and Fields, vol. 1, no. 1, pp. 45-64. https://doi.org/10.1007/BF01245797

APA

OPAL Collaboration (1998). Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV. European Physical Journal C: Particles and Fields, 1(1), 45-64. https://doi.org/10.1007/BF01245797

Vancouver

OPAL Collaboration. Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV. European Physical Journal C: Particles and Fields. 1998 Mar;1(1):45-64. doi: 10.1007/BF01245797

Author

OPAL Collaboration. / Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV. In: European Physical Journal C: Particles and Fields. 1998 ; Vol. 1, No. 1. pp. 45-64.

Bibtex

@article{9c7e2cf367664df794ddafc51faf7168,
title = "Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV",
abstract = "We have searched for unstable neutral and charged heavy leptons, N and L±, and for excited states of neutral and charged leptons, ν* e*, μ* and τ*, in e+e− collisions at centre-of-mass energies of 170 and 172 GeV using the OPAL detector at LEP. No evidence for their existence was found. From the analysis of charged-current decays of pair-produced unstable heavy leptons, and of charged-current and photonic decays of pair-produced excited leptons, lower limits on their masses are derived. From the analysis of charged-current and photonic decays of singly-produced excited leptons, upper limits on the ratio of the coupling to the compositeness scale, ϕ/λ, are determined for masses up to the kinematic limit.",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "1998",
month = mar,
doi = "10.1007/BF01245797",
language = "English",
volume = "1",
pages = "45--64",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "1",

}

RIS

TY - JOUR

T1 - Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 1998/3

Y1 - 1998/3

N2 - We have searched for unstable neutral and charged heavy leptons, N and L±, and for excited states of neutral and charged leptons, ν* e*, μ* and τ*, in e+e− collisions at centre-of-mass energies of 170 and 172 GeV using the OPAL detector at LEP. No evidence for their existence was found. From the analysis of charged-current decays of pair-produced unstable heavy leptons, and of charged-current and photonic decays of pair-produced excited leptons, lower limits on their masses are derived. From the analysis of charged-current and photonic decays of singly-produced excited leptons, upper limits on the ratio of the coupling to the compositeness scale, ϕ/λ, are determined for masses up to the kinematic limit.

AB - We have searched for unstable neutral and charged heavy leptons, N and L±, and for excited states of neutral and charged leptons, ν* e*, μ* and τ*, in e+e− collisions at centre-of-mass energies of 170 and 172 GeV using the OPAL detector at LEP. No evidence for their existence was found. From the analysis of charged-current decays of pair-produced unstable heavy leptons, and of charged-current and photonic decays of pair-produced excited leptons, lower limits on their masses are derived. From the analysis of charged-current and photonic decays of singly-produced excited leptons, upper limits on the ratio of the coupling to the compositeness scale, ϕ/λ, are determined for masses up to the kinematic limit.

U2 - 10.1007/BF01245797

DO - 10.1007/BF01245797

M3 - Journal article

VL - 1

SP - 45

EP - 64

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 1

ER -