Search for B+→K+ τ + τ − at the BaBar Experiment. / BaBar Collaboration.

In: Physical Review Letters, Vol. 118, No. 3, 031802, 20.01.2017, p. 1-8.

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Search for B+→K+ τ + τ − at the BaBar Experiment. / BaBar Collaboration.

In: Physical Review Letters, Vol. 118, No. 3, 031802, 20.01.2017, p. 1-8.

Research output: Contribution to journalArticlepeer-review

Harvard

BaBar Collaboration 2017, 'Search for B+→K+ τ + τ − at the BaBar Experiment', Physical Review Letters, vol. 118, no. 3, 031802, pp. 1-8. https://doi.org/10.1103/PhysRevLett.118.031802

APA

BaBar Collaboration (2017). Search for B+→K+ τ + τ − at the BaBar Experiment. Physical Review Letters, 118(3), 1-8. [031802]. https://doi.org/10.1103/PhysRevLett.118.031802

Vancouver

BaBar Collaboration. Search for B+→K+ τ + τ − at the BaBar Experiment. Physical Review Letters. 2017 Jan 20;118(3):1-8. 031802. https://doi.org/10.1103/PhysRevLett.118.031802

Author

BaBar Collaboration. / Search for B+→K+ τ + τ − at the BaBar Experiment. In: Physical Review Letters. 2017 ; Vol. 118, No. 3. pp. 1-8.

BibTeX

@article{114879976b8040fabdfbf56f8cda00c1,
title = "Search for B+→K+ τ + τ − at the BaBar Experiment",
abstract = "We search for the rare flavor-changing neutral current process B+→K+τ+τ− using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the Υ(4S) resonance, corresponds to a total integrated luminosity of 424  fb−1 and to 471×106  B¯¯¯B pairs. We reconstruct one B meson, produced in the Υ(4S)→B+B− decay, in one of many hadronic decay modes and search for activity compatible with a B+→K+τ+τ− decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B+→K+τ+τ−)<2.25×10−3.",
author = "{BaBar Collaboration}",
year = "2017",
month = jan,
day = "20",
doi = "10.1103/PhysRevLett.118.031802",
language = "English",
volume = "118",
pages = "1--8",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Search for B+→K+ τ + τ − at the BaBar Experiment

AU - BaBar Collaboration

PY - 2017/1/20

Y1 - 2017/1/20

N2 - We search for the rare flavor-changing neutral current process B+→K+τ+τ− using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the Υ(4S) resonance, corresponds to a total integrated luminosity of 424  fb−1 and to 471×106  B¯¯¯B pairs. We reconstruct one B meson, produced in the Υ(4S)→B+B− decay, in one of many hadronic decay modes and search for activity compatible with a B+→K+τ+τ− decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B+→K+τ+τ−)<2.25×10−3.

AB - We search for the rare flavor-changing neutral current process B+→K+τ+τ− using data from the BABAR experiment. The data sample, collected at the center-of-mass energy of the Υ(4S) resonance, corresponds to a total integrated luminosity of 424  fb−1 and to 471×106  B¯¯¯B pairs. We reconstruct one B meson, produced in the Υ(4S)→B+B− decay, in one of many hadronic decay modes and search for activity compatible with a B+→K+τ+τ− decay in the rest of the event. Each τ lepton is required to decay leptonically into an electron or muon and neutrinos. Comparing the expected number of background events with the data sample after applying the selection criteria, we do not find evidence for a signal. The resulting upper limit, at the 90% confidence level, is B(B+→K+τ+τ−)<2.25×10−3.

U2 - 10.1103/PhysRevLett.118.031802

DO - 10.1103/PhysRevLett.118.031802

M3 - Article

VL - 118

SP - 1

EP - 8

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 3

M1 - 031802

ER -