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Ablikim, M.; Achasov, M. N.; Adlarson, P.; Afedulidis, O.; Ai, X. C.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, Y.; Bakina, O.; Balossino, I.; Ban, Y.; Batozskaya, V.; Begzsuren, K.; Berger, N.; Berlowski, M.; Bertani, M.; Bettoni, D.; Bianchi, F.; Bianco, E.; Bortone, A.; Boyko, I.; Briere, R. A.; Brueggemann, A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G. F.; Cao, N.; Cetin, S. A.; Chang, J. F.; Che, G. R.; Chelkov, G.; Chen, C.; Chen, Chao; Chen, G.; Chen, H. S.; Chen, M. L.; Chen, S. J.; Chen, S. L.; Chen, S. M.; Chen, T.; Chen, X. R.; Chen, X. T.; Chen, Y. B.; Chen, Y. Q.; Chen, Z. J.; Chen, Z. Y.; Choi, S. K.; Chu, X.; Cibinetto, G.; Coen, S. C.; Cossio, F.; Cui, J. J.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; de Boer, R. E.; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, B.; Ding, X. X.; Ding, Y.; Ding, Y.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dong, X.; Du, M. C.; Du, S. X.; Duan, Z. H.; Egorov, P.; Fan, Y. H.; Fan, Y. L.; Fang, J.; Fang, S. S.; 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Tian, W. H.; Tian, Y.; Tian, Z. F.; Uman, I.; Wang, S. J.; Wang, B.; Wang, B. L.; Wang, Bo; Wang, C. W.; Wang, D. Y.; Wang, F.; Wang, H. J.; Wang, H. P.; Wang, J. P.; Wang, K.; Wang, L. L.; Wang, M.; Wang, S.; Wang, S.; Wang, T.; Wang, T. J.; Wang, W.; Wang, W.; Wang, W. P.; Wang, W. P.; Wang, X.; Wang, X. F.; Wang, X. J.; Wang, X. L.; Wang, Y.; Wang, Y. D.; Wang, Y. F.; Wang, Y. H.; Wang, Y. N.; Wang, Y. Q.; Wang, Yaqian; Wang, Yi; Wang, Z.; Wang, Z. L.; Wang, Z. Y.; Wang, Ziyi; Wei, D. H.; Weidner, F.; Wen, S. P.; Wenzel, C.; Wiedner, U.; Wilkinson, G.; Wolke, M.; Wollenberg, L.; Wu, C.; Wu, J. F.; Wu, L. H.; Wu, L. J.; Wu, X.; Wu, X. H.; Wu, Y.; Wu, Y. J.; Wu, Z.; Xia, L.; Xian, X. M.; Xiang, T.; Xiao, D.; Xiao, G. Y.; Xiao, S. Y.; Xiao, Y. L.; Xiao, Z. J.; Xie, C.; Xie, X. H.; Xie, Y.; Xie, Y. G.; Xie, Y. H.; Xie, Z. P.; Xing, T. Y.; Xu, C. F.; Xu, C. J.; Xu, G. F.; Xu, H. Y.; Xu, M.; Xu, Q. J.; Xu, Q. N.; Xu, W.; Xu, W. L.; Xu, X. P.; Xu, Y. C.; Xu, Z. P.; Xu, Z. S.; Yan, F.; Yan, L.; 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Zhao, J. Z.; Zhao, L.; Zhao, Lei; Zhao, M. G.; Zhao, S. J.; Zhao, Y. B.; Zhao, Y. X.; Zhao, Z. G.; Zhemchugov, A.; Zheng, B.; Zheng, J. P.; Zheng, W. J.; Zheng, Y. H.; Zhong, B.; Zhong, X.; Zhou, H.; Zhou, L. P.; Zhou, S.; Zhou, X.; Zhou, X. K.; Zhou, X. R.; Zhou, X. Y.; Zhou, Y. Z.; Zhu, J.; Zhu, K.; Zhu, K. J.; Zhu, L.; Zhu, L. X.; Zhu, S. H.; Zhu, S. Q.; Zhu, T. J.; Zhu, W. J.; Zhu, Y. C.; Zhu, Z. A.; Zou, J. H.; Zu, J.; ,

doi:10.1103/physrevd.109.052001

Phys. Rev. D

2024

DOI: 10.1103/physrevd.109.052001

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Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for

M. Ablikim,

M. N. Achasov,

P. Adlarson

et al.

Abstract: The Cabbibo-favored decay Λc+→Ξ0K+π0 is studied for the first time using 6.1 fb−1 of e+e− collision data at center-of-mass energies between 4.600 and 4.840 GeV, collected with the BESIII detector at the BEPCII collider. With a double-tag method, the branching fraction of the three-body decay Λc+→Ξ0K+π0 is measured to be (7.79±1.46±0.95)×10−3, where the first and second uncertainties are statistical and systematic, respectively. The branching fraction of the two-body decay Λc+→Ξ(1530)0K+ is (5.99±1.04±0.32)×10… Show more

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2024

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Cited by 2 publications

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Nonleptonic three-body charmed baryon weak decays with H(15)

Geng,

Liu,

Liu

2024

Phys. Rev. D

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We study the nonleptonic three-body charmed baryon weak decays of Bc→BnPP′ under the SU(3)F flavor symmetry, where Bc denotes the antitriplet charmed baryon, comprising (Ξc0,−Ξc+,Λc+), and Bn and P(P′) represent octet baryon and pseudoscalar meson states, respectively. In addition to 12 parameters from the contributions of the color-antisymmetric part of the effective Hamiltonian, denoted as H(6¯), there are 4 parameters from the color-symmetric one, H(15), which were not included in the previous study. With 16 parameters in total and 28 experimental data points, we obtain the minimal χ2 over degree of freedom of χ2/d.o.f=1.5, which is a great improvement comparing to that without H(15). With the better fitting values, we evaluate the branching ratios and up-down asymmetries of Bc→BnPP′, which present some interesting results such as B(Λc+→(Ξ(1690)0→Σ+K−)K+)≡(1.5±0.4)×10−3 and potential SU(3) breaking effects in Ξc+→pπ+K− and Λc+→Σ+π−K+ to be verified by the experiments at BESIII, Belle-II, and LHCb. Published by the American Physical Society 2024

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Nonleptonic three-body charmed baryon weak decays with H(15)

Geng,

Liu,

Liu

2024

Phys. Rev. D

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Precision studies in charm and new physics searches at BESIII

Mao,

2024

Int. J. Mod. Phys. A

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The investigation of charm physics plays an important role in checking the Standard Model’s description of strong and weak interactions, validating its predictions for particle physics, and exploring new physics beyond the Standard Model. Using a large dataset from [Formula: see text] annihilation, BESIII has conducted comprehensive and extensive studies in the areas of hadronic, leptonic and semileptonic decays. This proceeding presents an overview of the recent researches and discoveries by BESIII on decays of charmed baryons, charmed mesons and charmonium states, highlighting their significance in advancing the understanding of new physics, experimental determination of physical parameters and improvement of measurement precision.

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Measurement of the absolute branching fraction of the three-body decay Λc+→Ξ0K+π0 and search for

Cited by 2 publications

References 52 publications

Nonleptonic three-body charmed baryon weak decays with H(15)

Nonleptonic three-body charmed baryon weak decays with H(15)

Precision studies in charm and new physics searches at BESIII

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