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Search for new hadronic decays of hc and observation of hc → pp¯ η. / BESIII Collaboration.

In: Journal of High Energy Physics, Vol. 2022, No. 5, 108, 05.2022.

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

Harvard

BESIII Collaboration 2022, 'Search for new hadronic decays of hc and observation of hc → pp¯ η', Journal of High Energy Physics, vol. 2022, no. 5, 108. https://doi.org/10.1007/JHEP05(2022)108

APA

BESIII Collaboration (2022). Search for new hadronic decays of hc and observation of hc → pp¯ η. Journal of High Energy Physics, 2022(5), [108]. https://doi.org/10.1007/JHEP05(2022)108

Vancouver

BESIII Collaboration. Search for new hadronic decays of hc and observation of hc → pp¯ η. Journal of High Energy Physics. 2022 May;2022(5):108. doi: 10.1007/JHEP05(2022)108

Author

BESIII Collaboration. / Search for new hadronic decays of hc and observation of hc → pp¯ η. In: Journal of High Energy Physics. 2022 ; Vol. 2022, No. 5.

BibTeX

@article{b55bf07248244b19bfeebef386887255,
title = "Search for new hadronic decays of hc and observation of hc → pp¯ η",
abstract = "A search for the hadronic decays of the hc meson to the final states pp¯ π+π−π0, pp¯ η, and pp¯ π0 via the process ψ(3686) → π0hc is performed using (4.48 ± 0.03) × 108ψ(3686) events collected with the BESIII detector. The decay channel hc → pp¯ η is observed for the first time with a significance greater than 5σ and a branching fraction of (6.41 ± 1.74 ± 0.53 ± 1.00) × 10−4, where the uncertainties are statistical, systematic, and that from the branching fraction of ψ(3686) → π0hc. Strong evidence for the decay hc → pp¯ π+π−π0 is found with a significance of 4.9σ and a branching fraction of (3.84 ± 0.83 ± 0.69 ± 0.58) × 10−3. The significances include systematic uncertainties. No clear signal of the decay hc → pp¯ π0 is found, and an upper limit of 6.59 × 10−4 on its branching fraction is set at the 90% confidence level.",
keywords = "Branching fraction, e-e Experiments, Particle and Resonance Production, Quarkonium",
author = "{BESIII Collaboration} and M. Ablikim and Achasov, {M. N.} and P. Adlarson and S. Ahmed and M. Albrecht and R. Aliberti and A. Amoroso and An, {M. R.} and Q. An and Bai, {X. H.} and Y. Bai and O. Bakina and {Baldini Ferroli}, R. and I. Balossino and Y. Ban and K. Begzsuren and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Bloms and A. Bortone and I. Boyko and Briere, {R. A.} and H. Cai and X. Cai and A. Calcaterra and Cao, {G. F.} and N. Cao and Cetin, {S. A.} and Chang, {J. F.} and Chang, {W. L.} and G. Chelkov and G. Chen and Chen, {H. S.} and Chen, {M. L.} and Chen, {S. J.} and Chen, {X. R.} and Chen, {Y. B.} and Chen, {Z. J.} and Cheng, {W. S.} and G. Cibinetto and F. Cossio and Cui, {J. J.} and Cui, {X. F.} and Dai, {H. L.} and Dai, {J. P.} and Dai, {X. C.} and Muchnoi, {N. Yu} and Nikolaev, {I. B.}",
note = "Publisher Copyright: {\textcopyright} 2022, The Author(s).",
year = "2022",
month = may,
doi = "10.1007/JHEP05(2022)108",
language = "English",
volume = "2022",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer US",
number = "5",

}

RIS

TY - JOUR

T1 - Search for new hadronic decays of hc and observation of hc → pp¯ η

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Aliberti, R.

AU - Amoroso, A.

AU - An, M. R.

AU - An, Q.

AU - Bai, X. H.

AU - Bai, Y.

AU - Bakina, O.

AU - Baldini Ferroli, R.

AU - Balossino, I.

AU - Ban, Y.

AU - Begzsuren, K.

AU - Berger, N.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Bloms, J.

AU - Bortone, A.

AU - Boyko, I.

AU - Briere, R. A.

AU - Cai, H.

AU - Cai, X.

AU - Calcaterra, A.

AU - Cao, G. F.

AU - Cao, N.

AU - Cetin, S. A.

AU - Chang, J. F.

AU - Chang, W. L.

AU - Chelkov, G.

AU - Chen, G.

AU - Chen, H. S.

AU - Chen, M. L.

AU - Chen, S. J.

AU - Chen, X. R.

AU - Chen, Y. B.

AU - Chen, Z. J.

AU - Cheng, W. S.

AU - Cibinetto, G.

AU - Cossio, F.

AU - Cui, J. J.

AU - Cui, X. F.

AU - Dai, H. L.

AU - Dai, J. P.

AU - Dai, X. C.

AU - Muchnoi, N. Yu

AU - Nikolaev, I. B.

N1 - Publisher Copyright: © 2022, The Author(s).

PY - 2022/5

Y1 - 2022/5

N2 - A search for the hadronic decays of the hc meson to the final states pp¯ π+π−π0, pp¯ η, and pp¯ π0 via the process ψ(3686) → π0hc is performed using (4.48 ± 0.03) × 108ψ(3686) events collected with the BESIII detector. The decay channel hc → pp¯ η is observed for the first time with a significance greater than 5σ and a branching fraction of (6.41 ± 1.74 ± 0.53 ± 1.00) × 10−4, where the uncertainties are statistical, systematic, and that from the branching fraction of ψ(3686) → π0hc. Strong evidence for the decay hc → pp¯ π+π−π0 is found with a significance of 4.9σ and a branching fraction of (3.84 ± 0.83 ± 0.69 ± 0.58) × 10−3. The significances include systematic uncertainties. No clear signal of the decay hc → pp¯ π0 is found, and an upper limit of 6.59 × 10−4 on its branching fraction is set at the 90% confidence level.

AB - A search for the hadronic decays of the hc meson to the final states pp¯ π+π−π0, pp¯ η, and pp¯ π0 via the process ψ(3686) → π0hc is performed using (4.48 ± 0.03) × 108ψ(3686) events collected with the BESIII detector. The decay channel hc → pp¯ η is observed for the first time with a significance greater than 5σ and a branching fraction of (6.41 ± 1.74 ± 0.53 ± 1.00) × 10−4, where the uncertainties are statistical, systematic, and that from the branching fraction of ψ(3686) → π0hc. Strong evidence for the decay hc → pp¯ π+π−π0 is found with a significance of 4.9σ and a branching fraction of (3.84 ± 0.83 ± 0.69 ± 0.58) × 10−3. The significances include systematic uncertainties. No clear signal of the decay hc → pp¯ π0 is found, and an upper limit of 6.59 × 10−4 on its branching fraction is set at the 90% confidence level.

KW - Branching fraction

KW - e-e Experiments

KW - Particle and Resonance Production

KW - Quarkonium

UR - http://www.scopus.com/inward/record.url?scp=85131875061&partnerID=8YFLogxK

U2 - 10.1007/JHEP05(2022)108

DO - 10.1007/JHEP05(2022)108

M3 - Article

AN - SCOPUS:85131875061

VL - 2022

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 5

M1 - 108

ER -

ID: 36560748