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Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV

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Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV. / OPAL Collaboration.
In: European Physical Journal C: Particles and Fields, Vol. 8, No. 4, 05.1999, p. 559-571.

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

Harvard

OPAL Collaboration 1999, 'Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV', European Physical Journal C: Particles and Fields, vol. 8, no. 4, pp. 559-571. https://doi.org/10.1007/s100529900014

APA

OPAL Collaboration (1999). Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV. European Physical Journal C: Particles and Fields, 8(4), 559-571. https://doi.org/10.1007/s100529900014

Vancouver

OPAL Collaboration. Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV. European Physical Journal C: Particles and Fields. 1999 May;8(4):559-571. doi: 10.1007/s100529900014

Author

OPAL Collaboration. / Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV. In: European Physical Journal C: Particles and Fields. 1999 ; Vol. 8, No. 4. pp. 559-571.

Bibtex

@article{a041bc5b0eb246e186b999a46ca5d953,
title = "Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV",
abstract = "Bose-Einstein correlations between like-charge pions are studied in hadronic final states produced by e+e- annihilations at center-of-mass energies of 172 and 183 GeV. Three event samples are studied, each dominated by one of the processes W+W−→qq¯¯¯ℓν¯¯¯ℓW+W−→qq¯ℓν¯ℓ , W+W−→qq¯¯¯qq¯¯¯W+W−→qq¯qq¯ , or (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ . After demonstrating the existence of Bose-Einstein correlations in W decays, an attempt is made to determine Bose-Einstein correlations for pions originating from the same W boson and from different W bosons, as well as for pions from (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ events. The following results are obtained for the individual chaoticity parameters λλ , assuming a common source radius R: In each case, the first error is statistical and the second is systematic. At the current level of statistical precision it is not established whether Bose-Einstein correlations, between pions from different W bosons exist or not.",
author = "Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "1999",
month = may,
doi = "10.1007/s100529900014",
language = "English",
volume = "8",
pages = "559--571",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "4",

}

RIS

TY - JOUR

T1 - Bose-Einstein Correlations in e+e−→W+W− at 172 and 183 GeV

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 1999/5

Y1 - 1999/5

N2 - Bose-Einstein correlations between like-charge pions are studied in hadronic final states produced by e+e- annihilations at center-of-mass energies of 172 and 183 GeV. Three event samples are studied, each dominated by one of the processes W+W−→qq¯¯¯ℓν¯¯¯ℓW+W−→qq¯ℓν¯ℓ , W+W−→qq¯¯¯qq¯¯¯W+W−→qq¯qq¯ , or (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ . After demonstrating the existence of Bose-Einstein correlations in W decays, an attempt is made to determine Bose-Einstein correlations for pions originating from the same W boson and from different W bosons, as well as for pions from (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ events. The following results are obtained for the individual chaoticity parameters λλ , assuming a common source radius R: In each case, the first error is statistical and the second is systematic. At the current level of statistical precision it is not established whether Bose-Einstein correlations, between pions from different W bosons exist or not.

AB - Bose-Einstein correlations between like-charge pions are studied in hadronic final states produced by e+e- annihilations at center-of-mass energies of 172 and 183 GeV. Three event samples are studied, each dominated by one of the processes W+W−→qq¯¯¯ℓν¯¯¯ℓW+W−→qq¯ℓν¯ℓ , W+W−→qq¯¯¯qq¯¯¯W+W−→qq¯qq¯ , or (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ . After demonstrating the existence of Bose-Einstein correlations in W decays, an attempt is made to determine Bose-Einstein correlations for pions originating from the same W boson and from different W bosons, as well as for pions from (Z0/γ)∗→qq¯¯¯(Z0/γ)∗→qq¯ events. The following results are obtained for the individual chaoticity parameters λλ , assuming a common source radius R: In each case, the first error is statistical and the second is systematic. At the current level of statistical precision it is not established whether Bose-Einstein correlations, between pions from different W bosons exist or not.

U2 - 10.1007/s100529900014

DO - 10.1007/s100529900014

M3 - Journal article

VL - 8

SP - 559

EP - 571

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 4

ER -