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Bose-Einstein correlations of three charged pions in hadronic Z0 decays

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Bose-Einstein correlations of three charged pions in hadronic Z0 decays. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 5, No. 2, 08.1998, p. 239-248.

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

Harvard

OPAL Collaboration 1998, 'Bose-Einstein correlations of three charged pions in hadronic Z0 decays', European Physical Journal C: Particles and Fields, vol. 5, no. 2, pp. 239-248. https://doi.org/10.1007/s100529800970

APA

OPAL Collaboration (1998). Bose-Einstein correlations of three charged pions in hadronic Z0 decays. European Physical Journal C: Particles and Fields, 5(2), 239-248. https://doi.org/10.1007/s100529800970

Vancouver

OPAL Collaboration. Bose-Einstein correlations of three charged pions in hadronic Z0 decays. European Physical Journal C: Particles and Fields. 1998 Aug;5(2):239-248. doi: 10.1007/s100529800970

Author

OPAL Collaboration. / Bose-Einstein correlations of three charged pions in hadronic Z0 decays. In: European Physical Journal C: Particles and Fields. 1998 ; Vol. 5, No. 2. pp. 239-248.

Bibtex

@article{4e505b02785844b8b4550f0d1d1f7c6f,
title = "Bose-Einstein correlations of three charged pions in hadronic Z0 decays",
abstract = "Bose-Einstein Correlations (BEC) of three identical charged pions were studied in 4×1064×106 hadronic Z0Z0 decays recorded with the OPAL detector at LEP. The genuine three-pion correlations, corrected for the Coulomb effect, were separated from the known two-pion correlations by a new subtraction procedure. A significant genuine three-pion BEC enhancement near threshold was observed having an emitter source radius of r3=0.580±0.004 (stat.)±0.029 (syst.) fmr3=0.580±0.004 (stat.)±0.029 (syst.) fm and a strength of λ3=0.504±0.010 (stat.)±0.041 (syst.)λ3=0.504±0.010 (stat.)±0.041 (syst.). The Coulomb correction was found to increase the λ3λ3 value by ∼∼9% and to reduce r3r3 by ∼∼6%. The measured λ3λ3 corresponds to a value of 0.707±0.014 (stat.)±0.078 (syst.)0.707±0.014 (stat.)±0.078 (syst.) when one takes into account the three-pion sample purity. A relation between the two-pion and the three-pion source parameters is discussed.",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "1998",
month = aug,
doi = "10.1007/s100529800970",
language = "English",
volume = "5",
pages = "239--248",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "2",

}

RIS

TY - JOUR

T1 - Bose-Einstein correlations of three charged pions in hadronic Z0 decays

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 1998/8

Y1 - 1998/8

N2 - Bose-Einstein Correlations (BEC) of three identical charged pions were studied in 4×1064×106 hadronic Z0Z0 decays recorded with the OPAL detector at LEP. The genuine three-pion correlations, corrected for the Coulomb effect, were separated from the known two-pion correlations by a new subtraction procedure. A significant genuine three-pion BEC enhancement near threshold was observed having an emitter source radius of r3=0.580±0.004 (stat.)±0.029 (syst.) fmr3=0.580±0.004 (stat.)±0.029 (syst.) fm and a strength of λ3=0.504±0.010 (stat.)±0.041 (syst.)λ3=0.504±0.010 (stat.)±0.041 (syst.). The Coulomb correction was found to increase the λ3λ3 value by ∼∼9% and to reduce r3r3 by ∼∼6%. The measured λ3λ3 corresponds to a value of 0.707±0.014 (stat.)±0.078 (syst.)0.707±0.014 (stat.)±0.078 (syst.) when one takes into account the three-pion sample purity. A relation between the two-pion and the three-pion source parameters is discussed.

AB - Bose-Einstein Correlations (BEC) of three identical charged pions were studied in 4×1064×106 hadronic Z0Z0 decays recorded with the OPAL detector at LEP. The genuine three-pion correlations, corrected for the Coulomb effect, were separated from the known two-pion correlations by a new subtraction procedure. A significant genuine three-pion BEC enhancement near threshold was observed having an emitter source radius of r3=0.580±0.004 (stat.)±0.029 (syst.) fmr3=0.580±0.004 (stat.)±0.029 (syst.) fm and a strength of λ3=0.504±0.010 (stat.)±0.041 (syst.)λ3=0.504±0.010 (stat.)±0.041 (syst.). The Coulomb correction was found to increase the λ3λ3 value by ∼∼9% and to reduce r3r3 by ∼∼6%. The measured λ3λ3 corresponds to a value of 0.707±0.014 (stat.)±0.078 (syst.)0.707±0.014 (stat.)±0.078 (syst.) when one takes into account the three-pion sample purity. A relation between the two-pion and the three-pion source parameters is discussed.

U2 - 10.1007/s100529800970

DO - 10.1007/s100529800970

M3 - Journal article

VL - 5

SP - 239

EP - 248

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 2

ER -