Excited lepton production at LEP and HERA

K. Hagiwara; S. Komamiya; D. Zeppenfeld

doi:10.1007/BF01571391

Excited lepton production at LEP and HERA

K. Hagiwara, S. Komamiya, D. Zeppenfeld

Research output: Contribution to journal › Article › peer-review

167 Citations (Scopus)

Abstract

General expressions for single and pair production cross sections of excited leptons (e^*,μ^*, v^*) are presented. Specific results are shown for a realistic SU(2)×U(1) invariant model. Pair production in e⁺e^- annihilation can measure anomalous magnetic moments of excited leptons. Single production of e^* is dominated by the t-channel γ exchange contribution which makes its detection feasible up to masses just below the e⁺e^- c.m. energy. Due to this small |t| enhancement effect, contributions from elastic and resonance scattering in ep production of e^* are substantial. Realistic estimates of the excited lepton production cross section at HERA are given

Original language	English
Pages (from-to)	115-122
Number of pages	8
Journal	Zeitschrift für Physik C Particles and Fields
Volume	29
Issue number	1
DOIs	https://doi.org/10.1007/BF01571391
Publication status	Published - 1985 Mar 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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author = "K. Hagiwara and S. Komamiya and D. Zeppenfeld",

year = "1985",

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AU - Komamiya, S.

AU - Zeppenfeld, D.

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Y1 - 1985/3/1

N2 - General expressions for single and pair production cross sections of excited leptons (e*,μ*, v*) are presented. Specific results are shown for a realistic SU(2)×U(1) invariant model. Pair production in e+e- annihilation can measure anomalous magnetic moments of excited leptons. Single production of e* is dominated by the t-channel γ exchange contribution which makes its detection feasible up to masses just below the e+e- c.m. energy. Due to this small |t| enhancement effect, contributions from elastic and resonance scattering in ep production of e* are substantial. Realistic estimates of the excited lepton production cross section at HERA are given

AB - General expressions for single and pair production cross sections of excited leptons (e*,μ*, v*) are presented. Specific results are shown for a realistic SU(2)×U(1) invariant model. Pair production in e+e- annihilation can measure anomalous magnetic moments of excited leptons. Single production of e* is dominated by the t-channel γ exchange contribution which makes its detection feasible up to masses just below the e+e- c.m. energy. Due to this small |t| enhancement effect, contributions from elastic and resonance scattering in ep production of e* are substantial. Realistic estimates of the excited lepton production cross section at HERA are given

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Excited lepton production at LEP and HERA

Abstract

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