The production of $arXi _{cc}^ {++}$ baryons in proton-proton collisions at a centre-of-mass energy of $sqrt{s}=13;{ m{TeV}}$ is measured in the transverse-momentum range $4 lt p_{ m{T}} lt 15;{ m{GeV}}/c$ and the rapidity range $2.0 lt y lt 4.5$. The data used in this measurement correspond to an integrated luminosity of $1.7;{ m{fb}}^{-1}$, recorded by the LHCb experiment during 2016. The ratio of the $arXi _{cc}^ {++}$ production cross-section times the branching fraction of the $arXi _{cc}^ {++} o arLambda _c^ + K^-pi^+ pi^+$ decay relative to the prompt $arLambda _c^ + $ production cross-section is found to be $(2.22pm 0.27 pm 0.29) imes 10^{-4}$, assuming the central value of the measured $arXi _{cc}^ {++}$ lifetime, where the first uncertainty is statistical and the second systematic.

Measurement of Ξ cc++ production in pp collisions at √s = 13 TeV / Aaij, R., Abellán Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., Aidala, C.A., Aiola, S., Ajaltouni, Z., Akar, S., Albicocco, P., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A., Alkhazov, G., Alvarez Cartelle, P., Alves, A.A., Amato, S., Amhis, Y., et al.. - In: CHINESE PHYSICS C. - ISSN 1674-1137. - 44:2(2020). [10.1088/1674-1137/44/2/022001]

Measurement of Ξ cc++ production in pp collisions at √s = 13 TeV

Capriotti, L.;Casse, G.;Sarti, A.;Sciubba, A.;
2020

Abstract

The production of $arXi _{cc}^ {++}$ baryons in proton-proton collisions at a centre-of-mass energy of $sqrt{s}=13;{ m{TeV}}$ is measured in the transverse-momentum range $4 lt p_{ m{T}} lt 15;{ m{GeV}}/c$ and the rapidity range $2.0 lt y lt 4.5$. The data used in this measurement correspond to an integrated luminosity of $1.7;{ m{fb}}^{-1}$, recorded by the LHCb experiment during 2016. The ratio of the $arXi _{cc}^ {++}$ production cross-section times the branching fraction of the $arXi _{cc}^ {++} o arLambda _c^ + K^-pi^+ pi^+$ decay relative to the prompt $arLambda _c^ + $ production cross-section is found to be $(2.22pm 0.27 pm 0.29) imes 10^{-4}$, assuming the central value of the measured $arXi _{cc}^ {++}$ lifetime, where the first uncertainty is statistical and the second systematic.
2020
doubly charmed baryons; hadron production; QCD
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of Ξ cc++ production in pp collisions at √s = 13 TeV / Aaij, R., Abellán Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., Aidala, C.A., Aiola, S., Ajaltouni, Z., Akar, S., Albicocco, P., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A., Alkhazov, G., Alvarez Cartelle, P., Alves, A.A., Amato, S., Amhis, Y., et al.. - In: CHINESE PHYSICS C. - ISSN 1674-1137. - 44:2(2020). [10.1088/1674-1137/44/2/022001]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1466350
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