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First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider. / BESIII Collaboration ; Мучной, Николай Юрьевич; Николаев, Иван Борисович.

In: Physical Review Letters, Vol. 130, No. 25, 21.06.2023, p. 251902.

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

Harvard

BESIII Collaboration, Мучной, НЮ & Николаев, ИБ 2023, 'First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider', Physical Review Letters, vol. 130, no. 25, pp. 251902. https://doi.org/10.1103/PhysRevLett.130.251902

APA

BESIII Collaboration, Мучной, Н. Ю., & Николаев, И. Б. (2023). First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider. Physical Review Letters, 130(25), 251902. https://doi.org/10.1103/PhysRevLett.130.251902

Vancouver

BESIII Collaboration, Мучной НЮ, Николаев ИБ. First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider. Physical Review Letters. 2023 Jun 21;130(25):251902. doi: 10.1103/PhysRevLett.130.251902

Author

BESIII Collaboration ; Мучной, Николай Юрьевич ; Николаев, Иван Борисович. / First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider. In: Physical Review Letters. 2023 ; Vol. 130, No. 25. pp. 251902.

BibTeX

@article{474f79a7d49d49a5bc793ffb6e6f7838,
title = "First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider",
abstract = "Using (1.0087±0.0044)×10^{10}  J/ψ events collected with the BESIII detector at the BEPCII storage ring, the process Ξ^{0}n→Ξ^{-}p is studied, where the Ξ^{0} baryon is produced in the process J/ψ→Ξ^{0}Ξ[over ¯]^{0} and the neutron is a component of the ^{9}Be, ^{12}C, and ^{197}Au nuclei in the beam pipe. A clear signal is observed with a statistical significance of 7.1σ. The cross section of the reaction Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be is determined to be σ(Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be)=(22.1±5.3_{stat}±4.5_{sys})  mb at the Ξ^{0} momentum of 0.818  GeV/c, where the first uncertainty is statistical and the second is systematic. No significant H-dibaryon signal is observed in the Ξ^{-}p final state. This is the first study of hyperon-nucleon interactions in electron-positron collisions and opens up a new direction for such research.",
keywords = "Electrons, Neutrons, Cell Nucleus, Motion",
author = "{BESIII Collaboration} and Achasov, {M N} and I Boyko and Мучной, {Николай Юрьевич} and Николаев, {Иван Борисович}",
year = "2023",
month = jun,
day = "21",
doi = "10.1103/PhysRevLett.130.251902",
language = "English",
volume = "130",
pages = "251902",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "25",

}

RIS

TY - JOUR

T1 - First Study of Reaction Ξ^{0}n→Ξ^{-}p Using Ξ^{0}-Nucleus Scattering at an Electron-Positron Collider

AU - BESIII Collaboration

AU - Achasov, M N

AU - Boyko, I

AU - Мучной, Николай Юрьевич

AU - Николаев, Иван Борисович

PY - 2023/6/21

Y1 - 2023/6/21

N2 - Using (1.0087±0.0044)×10^{10}  J/ψ events collected with the BESIII detector at the BEPCII storage ring, the process Ξ^{0}n→Ξ^{-}p is studied, where the Ξ^{0} baryon is produced in the process J/ψ→Ξ^{0}Ξ[over ¯]^{0} and the neutron is a component of the ^{9}Be, ^{12}C, and ^{197}Au nuclei in the beam pipe. A clear signal is observed with a statistical significance of 7.1σ. The cross section of the reaction Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be is determined to be σ(Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be)=(22.1±5.3_{stat}±4.5_{sys})  mb at the Ξ^{0} momentum of 0.818  GeV/c, where the first uncertainty is statistical and the second is systematic. No significant H-dibaryon signal is observed in the Ξ^{-}p final state. This is the first study of hyperon-nucleon interactions in electron-positron collisions and opens up a new direction for such research.

AB - Using (1.0087±0.0044)×10^{10}  J/ψ events collected with the BESIII detector at the BEPCII storage ring, the process Ξ^{0}n→Ξ^{-}p is studied, where the Ξ^{0} baryon is produced in the process J/ψ→Ξ^{0}Ξ[over ¯]^{0} and the neutron is a component of the ^{9}Be, ^{12}C, and ^{197}Au nuclei in the beam pipe. A clear signal is observed with a statistical significance of 7.1σ. The cross section of the reaction Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be is determined to be σ(Ξ^{0}+^{9}Be→Ξ^{-}+p+^{8}Be)=(22.1±5.3_{stat}±4.5_{sys})  mb at the Ξ^{0} momentum of 0.818  GeV/c, where the first uncertainty is statistical and the second is systematic. No significant H-dibaryon signal is observed in the Ξ^{-}p final state. This is the first study of hyperon-nucleon interactions in electron-positron collisions and opens up a new direction for such research.

KW - Electrons

KW - Neutrons

KW - Cell Nucleus

KW - Motion

UR - https://pubmed.ncbi.nlm.nih.gov/37418739/

UR - https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85164266853&origin=inward

U2 - 10.1103/PhysRevLett.130.251902

DO - 10.1103/PhysRevLett.130.251902

M3 - Article

C2 - 37418739

VL - 130

SP - 251902

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 25

ER -

ID: 68405742