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Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+. / The BELLE collaboration.

In: Physical Review D, Vol. 99, No. 3, 032003, 07.02.2019.

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

Harvard

The BELLE collaboration 2019, 'Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+', Physical Review D, vol. 99, no. 3, 032003. https://doi.org/10.1103/PhysRevD.99.032003

APA

The BELLE collaboration (2019). Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+. Physical Review D, 99(3), [032003]. https://doi.org/10.1103/PhysRevD.99.032003

Vancouver

The BELLE collaboration. Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+. Physical Review D. 2019 Feb 7;99(3):032003. doi: 10.1103/PhysRevD.99.032003

Author

The BELLE collaboration. / Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+. In: Physical Review D. 2019 ; Vol. 99, No. 3.

BibTeX

@article{f592e41191d14e6f95e906ff55c76461,
title = "Observation of B+ →p Λ{\= } K+K- and B+ → p{\= } Λk+K+",
abstract = "We report the study of B+→p{\=Λ}K+K- and B+→{\=p}ΛK+K+ decays using a 772×106 B{\=B} pair data sample recorded on the {\"I} (4S) resonance with the Belle detector at KEKB. The following branching fractions are measured: B(B+→p{\=Λ}K+K-)=(4.10-0.43+0.45±0.50)×10-6, B(B+→{\=p}ΛK+K+)=(3.70-0.37+0.39±0.44)×10-6, B(ηc→p{\=Λ}K-+c.c.)=(2.83-0.34+0.36±0.35)×10-3 and B(B+→p{\=Λ}φ)=(7.95±2.09±0.77)×10-7, where c.c. denotes the corresponding charge-conjugation process. The intermediate resonance decays are excluded in the four-body decay measurements. We also find evidence for B(ηc→Λ(1520){\=Λ}+c.c.)=(3.48±1.48±0.46)×10-3 and B(B+→Λ(1520){\=Λ}K+)=(2.23±0.63±0.25)×10-6. No significant signals are found for J/ψ→Λ(1520){\=Λ}+c.c. and B+→{\=Λ}(1520)ΛK+; we set the 90% confidence level upper limits on their decay branching fractions as <1.80×10-3 and <2.08×10-6, respectively.",
keywords = "DECAYS",
author = "{The BELLE collaboration} and Lu, {P. C.} and Wang, {M. Z.} and R. Chistov and P. Chang and I. Adachi and Ahn, {J. K.} and H. Aihara and {Al Said}, S. and Asner, {D. M.} and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and Bakich, {A. M.} and V. Bansal and P. Behera and C. Bele{\~n}o and M. Berger and V. Bhardwaj and B. Bhuyan and T. Bilka and J. Biswal and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and L. Cao and D. {\v C}ervenkov and Chang, {M. C.} and V. Chekelian and A. Chen and Cheon, {B. G.} and K. Chilikin and K. Cho and Choi, {S. K.} and Y. Choi and S. Choudhury and D. Epifanov and N. Gabyshev and A. Garmash and D. Matvienko and V. Shebalin and B. Shwartz and Y. Usov and A. Vinokurova and V. Vorobyev and V. Zhilich and V. Zhulanov",
note = "Publisher Copyright: {\textcopyright} 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP . ",
year = "2019",
month = feb,
day = "7",
doi = "10.1103/PhysRevD.99.032003",
language = "English",
volume = "99",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "3",

}

RIS

TY - JOUR

T1 - Observation of B+ →p Λ ̄ K+K- and B+ → p ̄ Λk+K+

AU - The BELLE collaboration

AU - Lu, P. C.

AU - Wang, M. Z.

AU - Chistov, R.

AU - Chang, P.

AU - Adachi, I.

AU - Ahn, J. K.

AU - Aihara, H.

AU - Al Said, S.

AU - Asner, D. M.

AU - Atmacan, H.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Babu, V.

AU - Badhrees, I.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Behera, P.

AU - Beleño, C.

AU - Berger, M.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Bilka, T.

AU - Biswal, J.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Cao, L.

AU - Červenkov, D.

AU - Chang, M. C.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Cho, K.

AU - Choi, S. K.

AU - Choi, Y.

AU - Choudhury, S.

AU - Epifanov, D.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Matvienko, D.

AU - Shebalin, V.

AU - Shwartz, B.

AU - Usov, Y.

AU - Vinokurova, A.

AU - Vorobyev, V.

AU - Zhilich, V.

AU - Zhulanov, V.

N1 - Publisher Copyright: © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP .

PY - 2019/2/7

Y1 - 2019/2/7

N2 - We report the study of B+→pΛ̄K+K- and B+→p̄ΛK+K+ decays using a 772×106 BB̄ pair data sample recorded on the Ï (4S) resonance with the Belle detector at KEKB. The following branching fractions are measured: B(B+→pΛ̄K+K-)=(4.10-0.43+0.45±0.50)×10-6, B(B+→p̄ΛK+K+)=(3.70-0.37+0.39±0.44)×10-6, B(ηc→pΛ̄K-+c.c.)=(2.83-0.34+0.36±0.35)×10-3 and B(B+→pΛ̄φ)=(7.95±2.09±0.77)×10-7, where c.c. denotes the corresponding charge-conjugation process. The intermediate resonance decays are excluded in the four-body decay measurements. We also find evidence for B(ηc→Λ(1520)Λ̄+c.c.)=(3.48±1.48±0.46)×10-3 and B(B+→Λ(1520)Λ̄K+)=(2.23±0.63±0.25)×10-6. No significant signals are found for J/ψ→Λ(1520)Λ̄+c.c. and B+→Λ̄(1520)ΛK+; we set the 90% confidence level upper limits on their decay branching fractions as <1.80×10-3 and <2.08×10-6, respectively.

AB - We report the study of B+→pΛ̄K+K- and B+→p̄ΛK+K+ decays using a 772×106 BB̄ pair data sample recorded on the Ï (4S) resonance with the Belle detector at KEKB. The following branching fractions are measured: B(B+→pΛ̄K+K-)=(4.10-0.43+0.45±0.50)×10-6, B(B+→p̄ΛK+K+)=(3.70-0.37+0.39±0.44)×10-6, B(ηc→pΛ̄K-+c.c.)=(2.83-0.34+0.36±0.35)×10-3 and B(B+→pΛ̄φ)=(7.95±2.09±0.77)×10-7, where c.c. denotes the corresponding charge-conjugation process. The intermediate resonance decays are excluded in the four-body decay measurements. We also find evidence for B(ηc→Λ(1520)Λ̄+c.c.)=(3.48±1.48±0.46)×10-3 and B(B+→Λ(1520)Λ̄K+)=(2.23±0.63±0.25)×10-6. No significant signals are found for J/ψ→Λ(1520)Λ̄+c.c. and B+→Λ̄(1520)ΛK+; we set the 90% confidence level upper limits on their decay branching fractions as <1.80×10-3 and <2.08×10-6, respectively.

KW - DECAYS

UR - http://www.scopus.com/inward/record.url?scp=85062606141&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.99.032003

DO - 10.1103/PhysRevD.99.032003

M3 - Article

AN - SCOPUS:85062606141

VL - 99

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 3

M1 - 032003

ER -

ID: 18786703