Interesting results presented at the Rencontres de Moriond
The LHCb Collaboration presented new interesting results at the Rencontres de Moriond EW and at the Rencontres de Moriond QCD. A few selected items are listed below. (1) Search for…
New avenue to precision mass measurements of the χc1 and χc2 mesons
Today, at the open session of the Large Hadron Collider Committee, LHCC, the LHCb collaboration presented the result of a precise mass measurements of χc1 and χc2 mesons, performed for…
First test of lepton universality using charmed-beauty meson decays
Measurement of R(J/ψ): the ratio of branching fractions between Bc+→J/ψτ+ντ and Bc+→J/ψμ+νμ using τ+→ μ+νμ ντ decays. Today, at the open session of the Large Hadron Collider Committee, LHCC, the…
Several new results presented at the EPS-HEP conference.
The LHCb collaboration presented new results in 32 talks given by LHCb speakers at the EPS Conference on High Energy Physics, EPS-HEP 2017, Venice, Italy. The observation of an exceptionally…
Observation of an exceptionally charming particle
Today, at the EPS Conference on High Energy Physics, EPS-HEP 2017, in Venice, Italy, the LHCb collaboration presented the first observation of a doubly charmed particle. This particle, called the…
New test of lepton universality
Measurement of R(D*): the ratio of branching fractions between B0 → D*-τ+ντ and B0 → D*-μ+νμ using three-prong hadronic τ decays. Yesterday, at the 15th Flavor Physics and CP violation…
Lepton universality test probes physics beyond the Standard Model
LHCb finds new hints of possible deviations from the Standard Model. Today, at a seminar at CERN, the LHCb collaboration presented results on the measurement of RK*0, which is the…
Measurement of antiproton production in p-He collisions
Can cosmic-ray antiprotons unveil dark matter collisions? This week, at the 52nd Rencontres de Moriond EW in La Thuile Italy, LHCb presented results of an analysis which may have significant…
The magic of the Ωc baryon
Observation of five new narrow Ωc0 excited states. As NASA announced a few days ago the discovery of the first system of seven Earth-size planets orbiting around a single star,…
New results presented at the Rencontres de la Vallée d’Aoste
The LHCb collaboration presented several new results at the 31st Rencontres de Physique de la Vallée d’Aoste taking place this week in La Thuile, Italy. A few selected items are…