Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi>p</mml:mi><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math>

Ablikim, M.; Ачасов, М. Н.; Adlarson, P.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Ferroli, R. Baldini; Balossino, I.; Ban, Y.; Batozskaya, V.; Becker, D.; Begzsuren, K.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Bloms, J.; Bortone, A.; Boyko, I. R.; Briere, R. A.; Brueggemann, A.; Cai, H.; Cai, Xinxia; Calcaterra, A.; Cao, G. F.; Cao, N.; Çetin, S. A.; Chang, J. F.; Chang, W. L.; Chelkov, G.; Chen, C.; Chen, Chao; Chen, G.; Chen, H. S.; Chen, M. L.; Chen, S. J.; Chen, S. M.; Chen, T.; Chen, X. R.; Chen, X. T.; Chen, Y. B.; Chen, Z. J.; Cheng, W. S.; Choi, S. K.; Chu, X. K.; Cibinetto, G.; Cossio, F.; Cui, J. J.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; Boer, R. E. de; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; Mori, F. De; Ding, Y.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dong, X.; Du, S. X.; Egorov, P.; Fan, Y. L.; Fang, J.; Fang, S. 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doi:10.1103/physrevd.106.072002

Phys. Rev. D

2022

DOI: 10.1103/physrevd.106.072002

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Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+→pη′

M. Ablikim¹,

М. Н. Ачасов²,

P. Adlarson³

et al.

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Cited by 4 publications

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“…The procedure of selecting the ST Λ− c baryon decays is described in Refs. [16,36,37], where 105249 ± 386 ST events are reconstructed in data. Those events in which the signal decay Λ + c → Σ − K + π + is reconstructed in the system recoiling against the Λ− c candidates of the ST sample are denoted as DT candidates.…”

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confidence: 99%

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Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

et al. 2023

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Using electron-positron annihilation data samples corresponding to an integrated luminosity of 4.5\,\unit{fb}$^{-1}$, collected by the BESIII detector in the energy region between $4600~\mev$ and $4699~\mev$, we report the first observations of the Cabibbo-suppressed decays $\Lambda_c^+\to n\pi^+\pi^0$, $\Lambda_c^+\to n\pi^+\pi^-\pi^+$, and the Cabibbo-favored decay $\Lambda_c^+\to nK^-\pi^+\pi^+$ with statistical significances of $7.9\sigma$, $7.8\sigma$, and $>10\sigma$, respectively. The branching fractions of these decays are measured to be $\mathcal{B}(\Lambda_{c}^{+}\rightarrow n\pi^{+}\pi^{0})=(0.64\pm0.09\pm0.02)\%$, $\mathcal{B}(\Lambda_{c}^{+}\rightarrow n\pi^{+}\pi^{-}\pi^{+})=(0.45\pm0.07\pm0.03)\%$, and $\mathcal{B}(\Lambda_{c}^{+}\rightarrow nK^{-}\pi^{+}\pi^{+})=(1.90\pm0.08\pm0.09)\%$, where the first uncertainties are statistical and the second are systematic. We find that the branching fraction of the decay $\Lambda_{c}^{+}\rightarrow n\pi^{+}\pi^{0}$ is about one order of magnitude higher than that of $\Lambda_{c}^{+}\rightarrow n\pi^{+}$. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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“…The uncertainty in the total ST yields is 0.5% [36,37], which arises from the statistical uncertainty and fitting strategy for extracting these yields. The uncertainties associated with the K + and π ± tracking and PID efficiencies are both assigned to be 1.0%, from studies performed…”

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confidence: 99%

Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

et al. 2023

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Global analysis of measured and unmeasured hadronic two-body weak decays of antitriplet charmed baryons

Xing,

He,

Huang

et al. 2023

Phys. Rev. D

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Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for
Ablikim,
Achasov,
Adlarson
et al. 2024
Phys. Rev. D
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0
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Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+→pη′

Cited by 4 publications

References 40 publications

Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

Global analysis of measured and unmeasured hadronic two-body weak decays of antitriplet charmed baryons

Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for
Ablikim,
Achasov,
Adlarson
et al. 2024
Phys. Rev. D
1
0
0
0
View full text Add to dashboard Cite

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Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+→pη′

Cited by 4 publications

References 40 publications

Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *

Global analysis of measured and unmeasured hadronic two-body weak decays of antitriplet charmed baryons

Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for Ablikim, Achasov, Adlarson et al. 2024Phys. Rev. D1000View full textAdd to dashboardCite

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Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for
Ablikim,
Achasov,
Adlarson
et al. 2024
Phys. Rev. D
1
0
0
0
View full text Add to dashboard Cite