Matter-antimatter trigonometry with LHCb
Precise measurement of the unitarity triangle angle β. Today at Les Rencontres de Physique de la Vallée d’Aoste, La Thuile, Italy, the LHCb collaboration presented an important result in our…
The proton beam knocks at the LHC door
The LHCb collaboration took proton interaction data this weekend. The proton beam knocked at the LHC’s very solid door this weekend and found it still closed, but nonetheless managed to…
LHCb at the Open Data portal
The LHC experiments have today released physics data at the OpenData.cern.ch portal. The LHCb collaboration has contributed with its International Masterclasses exercise, in which the lifetime of the charm particle…
First observation of two new baryonic strange beauty particles
The LHCb collaboration submitted today a paper reporting the discovery of two new particles. The particles, known as the Ξb‘- and Ξb*-, were predicted to exist by the quark model…
φs: CP violation in the Bs system — looking for a chink in the armour of the Standard Model
Final run 1 result: φs = – 0.010 ± 0.039 rad Today, at the workshop “Implications of LHCb measurements and future prospects” at CERN, LHCb physicists have presented their final…
Celebrating 200th publication
The LHCb Collaboration has celebrated this week its 200th publication! The paper “Test of lepton universality using B+ → K+l+l– decays“ appeared in Physical Review Letters on October 6th. The…
How bright is the LHC?
LHCb has the most precise answer. The LHCb Collaboration has just published the results of the luminosity calibration with a precision of 1.12%. This is the most precise luminosity measurement…
LHChamber Music
Today, CERN, the European Organization for Nuclear Research, is blowing out 60 candles at an event attended by official delegations from 35 countries. Founded in 1954, CERN is today the…
Combination of measurements of the CKM angle γ
Today at the International Workshop on the CKM Unitarity Triangle, CKM2014, Vienna, Austria, the LHCb collaboration has presented a combination of measurements of the CKM angle γ (in tree decays,…
Measurement of the semileptonic asymmetry, adsl
Today at the International Workshop on the CKM Unitarity Triangle, CKM2014, Vienna, Austria, the LHCb collaboration has presented the results of a measurement of the semileptonic asymmetry, adsl, related to…