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  • Precision measurement of the $\Xi_{cc}^{++}$ mass
    Aslanides, E; Bediaga, I; Betancourt, C; Blago, M. P; Capriotti, L; Chatzikonstantinidis, G; Ciambrone, P; Cindolo, F; Craik, D. C; Currie, R; Danilina, A; d'Argent, P; De Paula, L; Di Nezza, P; Dziurda, A; Dzyuba, A; Farry, S; Fazzini, D; Féo, M; Filippov, S; Firlej, M; Fiutowski, T; Fontanelli, F; Gallorini, S; Gandini, P; Pardiñas, J. García; Ghez, Ph; Gironell, P. Gironella; Gushchin, E; Hansmann-Menzemer, S; Hasse, C; Hatch, M; Heinicke, K; Hill, D; Hushchyn, M; Ivshin, K; Jones, C. R; Jurik, N; Kazeev, N; Kecke, M; Kharisova, A; Kirsebom, V. S; Klimaszewski, K; Kostiuk, I; Kot, O; Kotriakhova, S; Kravchuk, L; Kress, F; Krzemien, W; Kudryavtsev, V; Lazzeroni, C; Leverington, B; Li, H; Li, Y; Lu, Y; Lyu, X; Malinin, A; Mancinelli, G; Meloni, S; Neufeld, N; Ossowska, A; Papanestis, A; Pappenheimer, C; Pearce, A; Pereima, D; Poliakova, M; Polyakov, I; Popov, A; Roth, J. D; Ryzka, J; Rios, C. Santamarina; Santimaria, M; Schindler, H; Schmelzer, T; Schopper, A; Shchutska, L; Shekhtman, L; Skidmore, N; Skwarnicki, T; Smith, E; Smith, I. T; Snoch, A; Stahl, S; Stracka, S; Stramaglia, M. E; Svihra, P; Szumlak, T; Tekampe, T; Tilley, M. J; Tully, A; Tuning, N; Regueiro, P. Vazquez; Sierra, C. Vázquez; Vollhardt, A; Walsh, J; Wilkinson, G; Yang, Z; Yeomans, L. E; Yin, H; Yuan, X

    11/2019
    Journal Article

    JHEP 02 (2020) 049 A measurement of the $\Xi_{cc}^{++}$ mass is performed using data collected by the LHCb experiment between 2016 and 2018 in $pp$ collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6 $\mathrm{fb}^{-1}$. The $\Xi_{cc}^{++}$ candidates are reconstructed via the decay modes $\Xi_{cc}^{++}\to\Lambda_c^+K^-\pi^+\pi^+$ and $\Xi_{cc}^{++}\to\Xi_c^+\pi^+$. The result, $3621.55 \pm 0.23{\rm\,(stat)\,} \pm 0.30 {\rm\,(syst)\,}{\rm MeV}/c^2$, is the most precise measurement of the $\Xi_{cc}^{++}$ mass to date.

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