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Aiola, S.; Artamonov, A.; Balagura, V.; Bediaga, I.; Belavin, V.; Belous, K.; Ben-Haim, E.; Bhom, J.; Birch, M.; Bjørn, M.; Blake, T.; Bondar, N.; Borghi, S.; Borsuk, J. T.; Boyer, A.; Brundu, D.; Cali, S.; Capelli, S.; Capriotti, L.; Cardinale, R.; Carli, I.; Chatzikonstantinidis, G.; Chen, S.; Coco, V.; Cogan, J.; Collins, P.; Corti, G.; De Aguiar Francisco, O.; Dean, W.; Denysenko, V.; Derkach, D.; Dijkstra, H.; Durham, J. M.; Epple, E.; Fedin, P.; Fernandez-tenllado Arribas, J. M.; Fleuret, F.; Gerstel, D.; Gioventù, A.; Giubega, L.; Golutvin, A.; Gorelov, I. V.; Gu, C.; Heijhoff, K.; Heinicke, K.; Hicheur, A.; Huang, X.; Ivshin, K.; Kandybei, S.; Kravchenko, P.; Kvaratskheliya, T.; Lacarrere, D.; Lafferty, G.; Lai, A.; Lancierini, D.; Lane, R.; Lantwin, O.; Loustau, G.; Lu, Y.; Maccolini, S.; Marconi, U.; Mathad, A.; Mcgrath, T. H.; Meaux, C.; Moron, J.; Mu, H.; Mulder, M.; Muzzetto, P.; Obraztsov, V.; Otalora Goicochea, J. M.; Owen, P.; Pajero, T.; Perazzini, S.; Pereima, D.; Philippov, A.; Plews, J.; Polukhina, N.; Polyakov, I.; Pomery, G. J.; Ratnikov, F.; Ryzka, J.; Sahoo, N.; Saranin, D.; Shen, Z.; Snoch, A.; Solovev, A.; Stagni, F.; Stefko, P.; Sun, L.; Tuning, N.; Valassi, A.; van Veghel, M.; Wang, C.; Weisser, C.; White, D. J.; Xiao, D.; Yin, H.; Zavertyaev, M.; Zhu, X.; Zhukov, V.
The journal of high energy physics, 03/2021, Letnik: 2021, Številka: 3Journal Article
A bstract A search for the $$ {B}_{\mathrm{s}}^0 $$ B s 0 → D *± D ∓ decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13 TeV collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb − 1 . The decay is observed with a high significance and its branching fraction relative to the B 0 → D *± D ∓ decay is measured to be $$ \frac{\mathrm{\mathcal{B}}\left({B}_s^0\to {D}^{\ast \pm }{D}^{\mp}\right)}{\left({B}^0\to {D}^{\ast \pm }{D}^{\mp}\right)}=0.137\pm 0.017\pm 0.002\pm 0.006, $$ ℬ B s 0 → D ∗ ± D ∓ B 0 → D ∗ ± D ∓ = 0.137 ± 0.017 ± 0.002 ± 0.006 , where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the $$ {B}_{\mathrm{s}}^0 $$ B s 0 and B 0 hadronisation fractions.
