Standard

Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0. / The BESIII Collaboration ; Мучной, Николай Юрьевич.

в: Physical Review D, Том 109, № 9, L091101, 01.05.2024.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

The BESIII Collaboration & Мучной, НЮ 2024, 'Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0', Physical Review D, Том. 109, № 9, L091101. https://doi.org/10.1103/PhysRevD.109.L091101

APA

The BESIII Collaboration, & Мучной, Н. Ю. (2024). Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0. Physical Review D, 109(9), [L091101]. https://doi.org/10.1103/PhysRevD.109.L091101

Vancouver

The BESIII Collaboration, Мучной НЮ. Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0. Physical Review D. 2024 май 1;109(9):L091101. doi: 10.1103/PhysRevD.109.L091101

Author

The BESIII Collaboration ; Мучной, Николай Юрьевич. / Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0. в: Physical Review D. 2024 ; Том 109, № 9.

BibTeX

@article{9a28225192254ed5aa2f196530b1021e,
title = "Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0",
abstract = "Evidence for the singly Cabibbo suppressed decay Λc+→pπ0 is reported for the first time with a statistical significance of 3.7σ based on 6.0 fb-1 of e+e- collision data collected at center-of-mass energies between 4.600 and 4.843 GeV with the BESIII detector at the BEPCII collider. The absolute branching fraction of Λc+→pπ0 is measured to be (1.56-0.58+0.72±0.20)×10-4. Combining with the branching fraction of Λc+→nπ+, (6.6±1.3)×10-4, the ratio of the branching fractions of Λc+→nπ+ and Λc+→pπ0 is calculated to be 3.2-1.2+2.2. As an important input for the theoretical models describing the decay mechanisms of charmed baryons, our result indicates that the nonfactorizable contributions play an essential role and their interference with the factorizable contributions should not be significant. In addition, the absolute branching fraction of Λc+→pη is measured to be (1.63±0.31stat±0.11syst)×10-3.",
author = "{BESIII Collaboration} and Achasov, {M. N.} and Nikolaev, {I. B.} and Мучной, {Николай Юрьевич}",
year = "2024",
month = may,
day = "1",
doi = "10.1103/PhysRevD.109.L091101",
language = "English",
volume = "109",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "AMER PHYSICAL SOC",
number = "9",

}

RIS

TY - JOUR

T1 - Evidence of the singly Cabibbo suppressed decay Λc+ →pπ0

AU - BESIII Collaboration

AU - Achasov, M. N.

AU - Nikolaev, I. B.

AU - Мучной, Николай Юрьевич

PY - 2024/5/1

Y1 - 2024/5/1

N2 - Evidence for the singly Cabibbo suppressed decay Λc+→pπ0 is reported for the first time with a statistical significance of 3.7σ based on 6.0 fb-1 of e+e- collision data collected at center-of-mass energies between 4.600 and 4.843 GeV with the BESIII detector at the BEPCII collider. The absolute branching fraction of Λc+→pπ0 is measured to be (1.56-0.58+0.72±0.20)×10-4. Combining with the branching fraction of Λc+→nπ+, (6.6±1.3)×10-4, the ratio of the branching fractions of Λc+→nπ+ and Λc+→pπ0 is calculated to be 3.2-1.2+2.2. As an important input for the theoretical models describing the decay mechanisms of charmed baryons, our result indicates that the nonfactorizable contributions play an essential role and their interference with the factorizable contributions should not be significant. In addition, the absolute branching fraction of Λc+→pη is measured to be (1.63±0.31stat±0.11syst)×10-3.

AB - Evidence for the singly Cabibbo suppressed decay Λc+→pπ0 is reported for the first time with a statistical significance of 3.7σ based on 6.0 fb-1 of e+e- collision data collected at center-of-mass energies between 4.600 and 4.843 GeV with the BESIII detector at the BEPCII collider. The absolute branching fraction of Λc+→pπ0 is measured to be (1.56-0.58+0.72±0.20)×10-4. Combining with the branching fraction of Λc+→nπ+, (6.6±1.3)×10-4, the ratio of the branching fractions of Λc+→nπ+ and Λc+→pπ0 is calculated to be 3.2-1.2+2.2. As an important input for the theoretical models describing the decay mechanisms of charmed baryons, our result indicates that the nonfactorizable contributions play an essential role and their interference with the factorizable contributions should not be significant. In addition, the absolute branching fraction of Λc+→pη is measured to be (1.63±0.31stat±0.11syst)×10-3.

UR - https://www.mendeley.com/catalogue/ee744c9b-a741-3eb2-a2e9-fa28adc6fe3b/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85195270507&origin=inward&txGid=6c1effa5782d6b9dfebe6da22ae6498a

U2 - 10.1103/PhysRevD.109.L091101

DO - 10.1103/PhysRevD.109.L091101

M3 - Article

VL - 109

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 9

M1 - L091101

ER -

ID: 62699044