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Multi-photon final states in e+e− collisions at ∝s =130-172 GeV

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Multi-photon final states in e+e− collisions at ∝s =130-172 GeV. / Kartvelishvili, Vakhtang.
In: European Physical Journal C: Particles and Fields, Vol. 1, No. 1, 03.1998, p. 21-30.

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

Harvard

Kartvelishvili, V 1998, 'Multi-photon final states in e+e− collisions at ∝s =130-172 GeV', European Physical Journal C: Particles and Fields, vol. 1, no. 1, pp. 21-30. https://doi.org/10.1007/BF01245795

APA

Kartvelishvili, V. (1998). Multi-photon final states in e+e− collisions at ∝s =130-172 GeV. European Physical Journal C: Particles and Fields, 1(1), 21-30. https://doi.org/10.1007/BF01245795

Vancouver

Kartvelishvili V. Multi-photon final states in e+e− collisions at ∝s =130-172 GeV. European Physical Journal C: Particles and Fields. 1998 Mar;1(1):21-30. doi: 10.1007/BF01245795

Author

Kartvelishvili, Vakhtang. / Multi-photon final states in e+e− collisions at ∝s =130-172 GeV. In: European Physical Journal C: Particles and Fields. 1998 ; Vol. 1, No. 1. pp. 21-30.

Bibtex

@article{87764d439c964291827d6d8a36370c6f,
title = "Multi-photon final states in e+e− collisions at ∝s =130-172 GeV",
abstract = "The process e+e− →, γγ(γ) is studied using data recorded with the OPAL detector at LEP. The data sample corresponds to a total integrated luminosity of 25.38 pb−1 taken at centre-of-mass energies of 130–172 GeV. The measured cross-sections agree well with the expectation from QED. In a combined fit using data from all centre-of-mass energies, the angular distribution is used to obtain improved limits on the cut-off parameters: Λ+ > 195 GeV and Λ− > 210 GeV (95% CL). In addition, limits on nonstandard e+e−γ couplings and contact interactions, as well as a 95% CL mass limit for an excited electron,Me*= > 194 GeV for an e+e−γ coupling κ = 1, are determined.",
author = "Vakhtang Kartvelishvili",
year = "1998",
month = mar,
doi = "10.1007/BF01245795",
language = "English",
volume = "1",
pages = "21--30",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "1",

}

RIS

TY - JOUR

T1 - Multi-photon final states in e+e− collisions at ∝s =130-172 GeV

AU - Kartvelishvili, Vakhtang

PY - 1998/3

Y1 - 1998/3

N2 - The process e+e− →, γγ(γ) is studied using data recorded with the OPAL detector at LEP. The data sample corresponds to a total integrated luminosity of 25.38 pb−1 taken at centre-of-mass energies of 130–172 GeV. The measured cross-sections agree well with the expectation from QED. In a combined fit using data from all centre-of-mass energies, the angular distribution is used to obtain improved limits on the cut-off parameters: Λ+ > 195 GeV and Λ− > 210 GeV (95% CL). In addition, limits on nonstandard e+e−γ couplings and contact interactions, as well as a 95% CL mass limit for an excited electron,Me*= > 194 GeV for an e+e−γ coupling κ = 1, are determined.

AB - The process e+e− →, γγ(γ) is studied using data recorded with the OPAL detector at LEP. The data sample corresponds to a total integrated luminosity of 25.38 pb−1 taken at centre-of-mass energies of 130–172 GeV. The measured cross-sections agree well with the expectation from QED. In a combined fit using data from all centre-of-mass energies, the angular distribution is used to obtain improved limits on the cut-off parameters: Λ+ > 195 GeV and Λ− > 210 GeV (95% CL). In addition, limits on nonstandard e+e−γ couplings and contact interactions, as well as a 95% CL mass limit for an excited electron,Me*= > 194 GeV for an e+e−γ coupling κ = 1, are determined.

U2 - 10.1007/BF01245795

DO - 10.1007/BF01245795

M3 - Journal article

VL - 1

SP - 21

EP - 30

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 1

ER -