Improved measurement of Bs0→ μ+μ- decays
Today, at the Rencontres de Moriond EW and at the CERN seminar, the LHCb collaboration presented an improved measurement of the very rare Bs0→ μ+μ– decay. The measured branching fraction…
Today, at the Rencontres de Moriond EW and at the CERN seminar, the LHCb collaboration presented an improved measurement of the very rare Bs0→ μ+μ– decay. The measured branching fraction…
Update of RK measurement Today at the Rencontres de Moriond EW conference and at a seminar at CERN, the LHCb Collaboration presented an updated measurement of the ratio RK, an…
Welcome to tetraquark discovery territory Today, the LHCb Collaboration submitted a paper for publication that reports the first observation of two tetraquarks with a new quark content ccus, decaying to…
The LHC, Large Hadron Collider, is a particle collider in which accelerated protons collide inside four large experiments. Hadrons (Greek: ἁδρός, hadrós, meaning “stout, thick”) are a class of particles…
A “smoking gun” for tightly bound tetraquarks? Today, the LHCb collaboration submitted a paper reporting the discovery of a possible tetraquark candidate, Tcccc, composed of two charm quarks and two…
Chris Parkes from the University of Manchester begins tomorrow his three-year tenure as LHCb spokesperson. He takes over from Giovanni Passaleva from the Istituto Nazionale di Fisica Nucleare in Firenze.…
Today, the LHCb collaboration submitted two papers reporting precise measurements of the properties of a mysterious particle χc1(3872), also known as the X(3872). These results have also been presented at…
CERN has established a task force to identify and support contributions from the Organization’s 18 000-strong global community to combat the COVID-19 pandemic. A team of physicists, engineers and technicians…
Today, the LHCb collaboration submitted a paper reporting a system of three particles interpreted as three narrow excited Ξc0 – states. The Ξc0 baryon is composed of a charm-, a…
Today at the CERN seminar, the LHCb collaboration presented an analysis of the angular distributions of B0→K*μ+μ– decays. The measurement uses the same technique as a previous measurement performed on…
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