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A first search for the Ξbc+ → J/ψΞc+ decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass energies of 7, 8, and 13 TeV. Two peaking structures are seen with a local (global) significance of 4.3(2.8) and 4.1(2.4) standard deviations at masses of 6571 and 6694 MeV/c2, respectively. Upper limits are set on the Ξbc+ baryon production cross-section times the branching fraction relative to that of the B+c → J/ψD+s decay at centre-of-mass energies of 8 and 13 TeV, in the Ξbc+ and in the B+c rapidity and transverse-momentum ranges from 2.0 to 4.5 and 0 to 20 GeV/c, respectively. Upper limits are presented as a function of the Ξbc+ mass and lifetime.
Search for the doubly heavy baryon $\it{\Xi}_{bc}^{+}$ decaying to $J/\it{\psi} \it{\Xi}_{c}^{+}$ [Search for the doubly heavy baryon Ξ bc+ decaying to J/ψΞc+ *] / R. Aaij, A.S.W.A.. - In: CHINESE PHYSICS C. - ISSN 1674-1137. - 47:9(2023 Jul 24), pp. 093001.1-093001.14. [10.1088/1674-1137/ace9c8]
Search for the doubly heavy baryon $\it{\Xi}_{bc}^{+}$ decaying to $J/\it{\psi} \it{\Xi}_{c}^{+}$ [Search for the doubly heavy baryon Ξ bc+ decaying to J/ψΞc+ *]
R. Aaij
;A. S. W. Abdelmotteleb;C. Abellan Beteta;F. Abudin??n;T. Ackernley;B. Adeva;M. Adinolfi;H. Afsharnia;C. Agapopoulou;C. A. Aidala;S. Aiola;Z. Ajaltouni;S. Akar;K. Akiba;J. Albrecht;F. Alessio;M. Alexander;A. Alfonso Albero;Z. Aliouche;P. Alvarez Cartelle;S. Amato;J. L. Amey;Y. Amhis;L. An;L. Anderlini;M. Andersson;A. Andreianov;M. Andreotti;D. Andreou;D. Ao;F. Archilli;A. Artamonov;M. Artuso;E. Aslanides;M. Atzeni;B. Audurier;S. Bachmann;M. Bachmayer;J. J. Back;A. Bailly-reyre;P. Baladron Rodriguez;V. Balagura;W. Baldini;J. Baptista de Souza Leite;M. Barbetti;R. J. Barlow;S. Barsuk;W. Barter;M. Bartolini;F. Baryshnikov;J. M. Basels;G. Bassi;B. Batsukh;A. Battig;A. Bay;A. Beck;M. Becker;F. Bedeschi;I. B. Bediaga;A. Beiter;V. Belavin;S. Belin;V. Bellee;K. Belous;I. Belov;I. Belyaev;G. Bencivenni;E. Ben-Haim;A. Berezhnoy;R. Bernet;D. Berninghoff;H. C. Bernstein;C. Bertella;A. Bertolin;C. Betancourt;F. Betti;Ia. Bezshyiko;S. Bhasin;J. Bhom;L. Bian;M. S. Bieker;N. V. Biesuz;S. Bifani;P. 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Zhu;X. Zhu;Z. Zhu;V. Zhukov;Q. Zou;S. Zucchelli;D. Zuliani;G. Zunica
2023
Abstract
A first search for the Ξbc+ → J/ψΞc+ decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass energies of 7, 8, and 13 TeV. Two peaking structures are seen with a local (global) significance of 4.3(2.8) and 4.1(2.4) standard deviations at masses of 6571 and 6694 MeV/c2, respectively. Upper limits are set on the Ξbc+ baryon production cross-section times the branching fraction relative to that of the B+c → J/ψD+s decay at centre-of-mass energies of 8 and 13 TeV, in the Ξbc+ and in the B+c rapidity and transverse-momentum ranges from 2.0 to 4.5 and 0 to 20 GeV/c, respectively. Upper limits are presented as a function of the Ξbc+ mass and lifetime.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/1024854
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.