An interesting result presented at the LHCP conference
The LHCb Collaboration has just presented at the Large Hadron Collider Physics (LHCP) Conference in New York an interesting result: the ratio RK of the probability that a B+ meson…
Studying properties of exotic particles
The LHCb Collaboration has published today a paper which shows that the f0(500) and the f0(980) mesons, long thought to be four quark states (tetraquarks) made out of the light…
Unambiguous observation of an exotic particle which cannot be classified within the traditional quark model
The LHCb Collaboration has published yesterday results of precise measurements of properties of the Z(4430)– particle which allow to determine unambiguously its exotic nature. In the traditional quark model, the…
New LHCb results at the Rencontres de Moriond
The LHCb Collaboration has reported new important results at the Rencontres de Moriond EW Interactions and Unified Theories, March 15th – 22nd and QCD and High Energy Interaction, March 22nd…
First observation of photon polarisation in b→sγ transition
The LHCb Collaboration has submitted today for publication a paper reporting the first observation of photon polarisation in b→sγ transition. The full 3 fb-1 Run 1 data sample was used…
How long can beauty and charm live together?
In the Standard Model of Particle Physics the strongly interacting particles (hadrons) are composed of three quarks (baryons) or quark-antiquark pairs (mesons). There are six types of quarks, three light:…
New charm results
The LHCb Collaboration has reported recently new important results on charm physics. (1) Ten months ago, the LHCb Collaboration presented the first observation of the D0-D0 oscillations
Matter-antimatter quantum music
A fascinating feature of quantum mechanics, in which the B0s, B0 and D0 particles turn into their antimatter partners and back, has been discussed already few times at this page,…
LHCb results hint at new physics?
The LHCb Collaboration has just published the results of a new analysis of the B0→K*0μ+μ– decay, with K*0→K+π–. These results were presented three weeks ago at the European Physical Society…
The B0s→μμ decay is observed
The CMS and the LHCb Collaborations have announced today at the 2013 European Physical Society Conference on High Energy Physics, EPSHEP, Stockholm, Sweden, that the B0s→μμ decay is observed. The…