Measurements of the branching fractions of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ and asymmetry parameter of Ξc0→Ξ0π0

The Belle and Belle II collaboration

doi:10.1007/JHEP10(2024)045

Measurements of the branching fractions of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ and asymmetry parameter of Ξc0→Ξ0π0

The Belle and Belle II collaboration

Department of Physics

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

11 Scopus citations

Abstract

We present a study of Ξ_c⁰→Ξ⁰π⁰, Ξ_c⁰→Ξ⁰η, and Ξ_c⁰→Ξ⁰η^′ decays using the Belle and Belle II data samples, which have integrated luminosities of 980 fb⁻¹ and 426 fb⁻¹, respectively. We measure the following relative branching fractions (Formula presented.) for the first time, where the uncertainties are statistical (stat) and systematic (syst). By multiplying by the branching fraction of the normalization mode, BΞ_c⁰→Ξ⁻π⁺, we obtain the following absolute branching fraction results (Formula presented.) where the third uncertainties are from BΞ_c⁰→Ξ⁻π⁺. The asymmetry parameter for Ξ_c⁰→Ξ⁰π⁰ is measured to be αΞ_c⁰→Ξ⁰π⁰=−0.90±0.15stat±0.23syst.

Original language	English
Article number	45
Journal	Journal of High Energy Physics
Volume	2024
Issue number	10
DOIs	https://doi.org/10.1007/JHEP10(2024)045
State	Published - Oct 2024

Keywords

Branching fraction
Charm Physics
Particle and Resonance Production
e-e Experiments

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10.1007/JHEP10(2024)045

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@article{575e5b9869984cd9b0caedbf9c685b85,

title = "Measurements of the branching fractions of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ and asymmetry parameter of Ξc0→Ξ0π0",

abstract = "We present a study of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ decays using the Belle and Belle II data samples, which have integrated luminosities of 980 fb−1 and 426 fb−1, respectively. We measure the following relative branching fractions (Formula presented.) for the first time, where the uncertainties are statistical (stat) and systematic (syst). By multiplying by the branching fraction of the normalization mode, BΞc0→Ξ−π+, we obtain the following absolute branching fraction results (Formula presented.) where the third uncertainties are from BΞc0→Ξ−π+. The asymmetry parameter for Ξc0→Ξ0π0 is measured to be αΞc0→Ξ0π0=−0.90±0.15stat±0.23syst.",

keywords = "Branching fraction, Charm Physics, Particle and Resonance Production, e-e Experiments",

author = "\{The Belle and Belle II collaboration\} and I. Adachi and L. Aggarwal and H. Aihara and N. Akopov and A. Aloisio and N. Althubiti and \{Anh Ky\}, N. and Asner, \{D. M.\} and H. Atmacan and T. Aushev and V. Aushev and M. Aversano and R. Ayad and V. Babu and H. Bae and S. Bahinipati and P. Bambade and Sw Banerjee and M. Barrett and J. Baudot and A. Baur and A. Beaubien and F. Becherer and J. Becker and Bennett, \{J. V.\} and Bernlochner, \{F. U.\} and V. Bertacchi and M. Bertemes and E. Bertholet and M. Bessner and S. Bettarini and B. Bhuyan and F. Bianchi and L. Bierwirth and T. Bilka and D. Biswas and A. Bobrov and D. Bodrov and J. Borah and A. Boschetti and A. Bozek and M. Bra{\v c}ko and P. Branchini and Browder, \{T. E.\} and A. Budano and S. Bussino and Q. Campagna and M. Campajola and L. Cao and Kang, \{K. H.\}",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2024.",

year = "2024",

month = oct,

doi = "10.1007/JHEP10(2024)045",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer Verlag",

number = "10",

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TY - JOUR

T1 - Measurements of the branching fractions of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ and asymmetry parameter of Ξc0→Ξ0π0

AU - The Belle and Belle II collaboration

AU - Adachi, I.

AU - Aggarwal, L.

AU - Aihara, H.

AU - Akopov, N.

AU - Aloisio, A.

AU - Althubiti, N.

AU - Anh Ky, N.

AU - Asner, D. M.

AU - Atmacan, H.

AU - Aushev, T.

AU - Aushev, V.

AU - Aversano, M.

AU - Ayad, R.

AU - Babu, V.

AU - Bae, H.

AU - Bahinipati, S.

AU - Bambade, P.

AU - Banerjee, Sw

AU - Barrett, M.

AU - Baudot, J.

AU - Baur, A.

AU - Beaubien, A.

AU - Becherer, F.

AU - Becker, J.

AU - Bennett, J. V.

AU - Bernlochner, F. U.

AU - Bertacchi, V.

AU - Bertemes, M.

AU - Bertholet, E.

AU - Bessner, M.

AU - Bettarini, S.

AU - Bhuyan, B.

AU - Bianchi, F.

AU - Bierwirth, L.

AU - Bilka, T.

AU - Biswas, D.

AU - Bobrov, A.

AU - Bodrov, D.

AU - Borah, J.

AU - Boschetti, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Branchini, P.

AU - Browder, T. E.

AU - Budano, A.

AU - Bussino, S.

AU - Campagna, Q.

AU - Campajola, M.

AU - Cao, L.

AU - Kang, K. H.

PY - 2024/10

Y1 - 2024/10

N2 - We present a study of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ decays using the Belle and Belle II data samples, which have integrated luminosities of 980 fb−1 and 426 fb−1, respectively. We measure the following relative branching fractions (Formula presented.) for the first time, where the uncertainties are statistical (stat) and systematic (syst). By multiplying by the branching fraction of the normalization mode, BΞc0→Ξ−π+, we obtain the following absolute branching fraction results (Formula presented.) where the third uncertainties are from BΞc0→Ξ−π+. The asymmetry parameter for Ξc0→Ξ0π0 is measured to be αΞc0→Ξ0π0=−0.90±0.15stat±0.23syst.

AB - We present a study of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ decays using the Belle and Belle II data samples, which have integrated luminosities of 980 fb−1 and 426 fb−1, respectively. We measure the following relative branching fractions (Formula presented.) for the first time, where the uncertainties are statistical (stat) and systematic (syst). By multiplying by the branching fraction of the normalization mode, BΞc0→Ξ−π+, we obtain the following absolute branching fraction results (Formula presented.) where the third uncertainties are from BΞc0→Ξ−π+. The asymmetry parameter for Ξc0→Ξ0π0 is measured to be αΞc0→Ξ0π0=−0.90±0.15stat±0.23syst.

KW - Branching fraction

KW - Charm Physics

KW - Particle and Resonance Production

KW - e-e Experiments

UR - https://www.scopus.com/pages/publications/85206079228

U2 - 10.1007/JHEP10(2024)045

DO - 10.1007/JHEP10(2024)045

M3 - Article

AN - SCOPUS:85206079228

SN - 1029-8479

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 10

M1 - 45

ER -

Measurements of the branching fractions of Ξc0→Ξ0π0, Ξc0→Ξ0η, and Ξc0→Ξ0η′ and asymmetry parameter of Ξc0→Ξ0π0

Abstract

Keywords

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