First observations of the decays Λ0b → Λc+D-(s) are reported using data corresponding to an integrated luminosity of 3 fb-1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B0s → D+D-s) is made and a search is performed for the decays B0(s) → Λc+Λc-. The results obtained are (Equastion presented) Measurement of the mass of the Λ0b baryon relative to the B¯0 meson gives M(Λ0b) - M(B¯0) = 339.72±0.24(stat) ± 0.18(syst) MeV=c2. This result provides the most precise measurement of the mass of the Λb0 baryon to date.

Study of beauty hadron decays into Pairs of charm hadrons / Aaij, R., Abba, A., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A.A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Anderson, J., Andreassen, R., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 112:20(2014), pp. N/A-N/A. [10.1103/PhysRevLett.112.202001]

Study of beauty hadron decays into Pairs of charm hadrons

Bizzeti A.;
2014

Abstract

First observations of the decays Λ0b → Λc+D-(s) are reported using data corresponding to an integrated luminosity of 3 fb-1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B0s → D+D-s) is made and a search is performed for the decays B0(s) → Λc+Λc-. The results obtained are (Equastion presented) Measurement of the mass of the Λ0b baryon relative to the B¯0 meson gives M(Λ0b) - M(B¯0) = 339.72±0.24(stat) ± 0.18(syst) MeV=c2. This result provides the most precise measurement of the mass of the Λb0 baryon to date.
2014
112
20
N/A
N/A
Study of beauty hadron decays into Pairs of charm hadrons / Aaij, R., Abba, A., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A.A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Anderson, J., Andreassen, R., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 112:20(2014), pp. N/A-N/A. [10.1103/PhysRevLett.112.202001]
Aaij, R.; Abba, A.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Alvarez Car...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1210253
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