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Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle : Belle Collaboration. / The BELLE collaboration.

In: European Physical Journal C, Vol. 78, No. 11, 928, 13.11.2018.

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

Harvard

The BELLE collaboration 2018, 'Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle: Belle Collaboration', European Physical Journal C, vol. 78, no. 11, 928. https://doi.org/10.1140/epjc/s10052-018-6425-5

APA

The BELLE collaboration (2018). Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle: Belle Collaboration. European Physical Journal C, 78(11), [928]. https://doi.org/10.1140/epjc/s10052-018-6425-5

Vancouver

The BELLE collaboration. Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle: Belle Collaboration. European Physical Journal C. 2018 Nov 13;78(11):928. doi: 10.1140/epjc/s10052-018-6425-5

Author

The BELLE collaboration. / Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle : Belle Collaboration. In: European Physical Journal C. 2018 ; Vol. 78, No. 11.

BibTeX

@article{11d1e6558b0745fb993e918bb7d027b2,
title = "Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle: Belle Collaboration",
abstract = "We report evidence for the charged charmed-strange baryon Ξ c(2930) + with a signal significance of 3.9σ with systematic errors included. The charged Ξ c(2930) + is found in its decay to KS0Λc+ in the substructure of B¯0→KS0Λc+Λ¯c- decays. The measured mass and width are [2942.3 ± 4.4 (stat.) ± 1.5 (syst.)] MeV/c2 and [14.8 ± 8.8 (stat.) ± 2.5 (syst.)] MeV, respectively, and the product branching fraction is B(B¯0→Ξc(2930)+Λ¯c-)B(Ξc(2930)+→K¯0Λc+)=[2.37±0.51(stat.)±0.31(syst.)]×10-4. We also measure B(B¯0→K¯0Λc+Λ¯c-)=[3.99±0.76(stat.)±0.51(syst.)]×10-4 with greater precision than previous experiments, and present the results of a search for the charmonium-like state Y(4660) and its spin partner, Yη, in the Λc+Λ¯c- invariant mass spectrum. No clear signals of the Y(4660) or Yη are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of (772 ± 11) × 10 6BB¯ pairs collected at the Υ (4 S) resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.",
keywords = "BARYONS",
author = "{The BELLE collaboration} and Li, {Y. B.} and Shen, {C. P.} and I. Adachi and H. Aihara and {Al Said}, S. and Asner, {D. M.} and T. Aushev and R. Ayad and V. Babu and I. Badhrees and S. Bahinipati and Y. Ban and V. Bansal and P. Behera and C. Bele{\~n}o and V. Bhardwaj and B. Bhuyan and J. Biswal and A. Bobrov and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and L. Cao and D. {\v C}ervenkov and P. Chang 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. Cinabro and S. Cunliffe and N. Dash and {Di Carlo}, S. and J. Dingfelder and Z. Dole{\v z}al and Dong, {T. V.} and S. Eidelman and D. Epifanov and N. Gabyshev and A. Garmash and P. Krokovny and D. Matvienko and Y. Usov and V. Vorobyev and V. Zhilich and V. Zhulanov",
year = "2018",
month = nov,
day = "13",
doi = "10.1140/epjc/s10052-018-6425-5",
language = "English",
volume = "78",
journal = "European Physical Journal C",
issn = "1434-6044",
publisher = "Springer Nature",
number = "11",

}

RIS

TY - JOUR

T1 - Evidence of a structure in K¯0Λc+ consistent with a charged Ξ c(2930) + , and updated measurement of B¯0→K¯0Λc+Λ¯c- at Belle

T2 - Belle Collaboration

AU - The BELLE collaboration

AU - Li, Y. B.

AU - Shen, C. P.

AU - Adachi, I.

AU - Aihara, H.

AU - Al Said, S.

AU - Asner, D. M.

AU - Aushev, T.

AU - Ayad, R.

AU - Babu, V.

AU - Badhrees, I.

AU - Bahinipati, S.

AU - Ban, Y.

AU - Bansal, V.

AU - Behera, P.

AU - Beleño, C.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Biswal, J.

AU - Bobrov, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Cao, L.

AU - Červenkov, D.

AU - Chang, P.

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 - Cinabro, D.

AU - Cunliffe, S.

AU - Dash, N.

AU - Di Carlo, S.

AU - Dingfelder, J.

AU - Doležal, Z.

AU - Dong, T. V.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Krokovny, P.

AU - Matvienko, D.

AU - Usov, Y.

AU - Vorobyev, V.

AU - Zhilich, V.

AU - Zhulanov, V.

PY - 2018/11/13

Y1 - 2018/11/13

N2 - We report evidence for the charged charmed-strange baryon Ξ c(2930) + with a signal significance of 3.9σ with systematic errors included. The charged Ξ c(2930) + is found in its decay to KS0Λc+ in the substructure of B¯0→KS0Λc+Λ¯c- decays. The measured mass and width are [2942.3 ± 4.4 (stat.) ± 1.5 (syst.)] MeV/c2 and [14.8 ± 8.8 (stat.) ± 2.5 (syst.)] MeV, respectively, and the product branching fraction is B(B¯0→Ξc(2930)+Λ¯c-)B(Ξc(2930)+→K¯0Λc+)=[2.37±0.51(stat.)±0.31(syst.)]×10-4. We also measure B(B¯0→K¯0Λc+Λ¯c-)=[3.99±0.76(stat.)±0.51(syst.)]×10-4 with greater precision than previous experiments, and present the results of a search for the charmonium-like state Y(4660) and its spin partner, Yη, in the Λc+Λ¯c- invariant mass spectrum. No clear signals of the Y(4660) or Yη are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of (772 ± 11) × 10 6BB¯ pairs collected at the Υ (4 S) resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.

AB - We report evidence for the charged charmed-strange baryon Ξ c(2930) + with a signal significance of 3.9σ with systematic errors included. The charged Ξ c(2930) + is found in its decay to KS0Λc+ in the substructure of B¯0→KS0Λc+Λ¯c- decays. The measured mass and width are [2942.3 ± 4.4 (stat.) ± 1.5 (syst.)] MeV/c2 and [14.8 ± 8.8 (stat.) ± 2.5 (syst.)] MeV, respectively, and the product branching fraction is B(B¯0→Ξc(2930)+Λ¯c-)B(Ξc(2930)+→K¯0Λc+)=[2.37±0.51(stat.)±0.31(syst.)]×10-4. We also measure B(B¯0→K¯0Λc+Λ¯c-)=[3.99±0.76(stat.)±0.51(syst.)]×10-4 with greater precision than previous experiments, and present the results of a search for the charmonium-like state Y(4660) and its spin partner, Yη, in the Λc+Λ¯c- invariant mass spectrum. No clear signals of the Y(4660) or Yη are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of (772 ± 11) × 10 6BB¯ pairs collected at the Υ (4 S) resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.

KW - BARYONS

UR - http://www.scopus.com/inward/record.url?scp=85056570344&partnerID=8YFLogxK

U2 - 10.1140/epjc/s10052-018-6425-5

DO - 10.1140/epjc/s10052-018-6425-5

M3 - Article

AN - SCOPUS:85056570344

VL - 78

JO - European Physical Journal C

JF - European Physical Journal C

SN - 1434-6044

IS - 11

M1 - 928

ER -

ID: 17456868