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A pentaquark is a human-made subatomic particle, consisting of four quarks and one antiquark bound together; they are not known to occur naturally, or exist outside of experiments specifically carried out to create them. As quarks have a baryon number of + 1 3 , and antiquarks of − 1 3 , the pentaquark would have a total baryon ...
The LHCb (Large Hadron Collider beauty) experiment is a particle physics detector experiment collecting data at the Large Hadron Collider at CERN. [1] LHCb is a specialized b-physics experiment, designed primarily to measure the parameters of CP violation in the interactions of b- hadrons (heavy particles containing a bottom quark).
Large Hadron Collider. Near Geneva, Switzerland; across the border of France and Switzerland. Plan of the LHC experiments and the preaccelerators. The Large Hadron Collider (LHC) is the world's largest and highest-energy particle collider. [1][2] It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in ...
The Collider Detector at Fermilab (CDF) experimental collaboration studies high energy particle collisions from the Tevatron, the world's former highest-energy particle accelerator. The goal is to discover the identity and properties of the particles that make up the universe and to understand the forces and interactions between those particles.
Elementary particle. In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. [1] The Standard Model presently recognizes seventeen distinct particles—twelve fermions and five bosons.
π−. Each pion consists of a quark and an antiquark and is therefore a meson. Pions are the lightest mesons and, more generally, the lightest hadrons. They are unstable, with the charged pions. π+. and. π−. decaying after a mean lifetime of 26.033 nanoseconds (2.6033 × 10−8 seconds), and the neutral pion. π0.
The physics lab that houses the world's largest atom smasher announced a finding that could provide clues about the force that binds subatomic particles together.
LH: + 1 / 3 , RH: + 4 / 3 . The top quark, sometimes also referred to as the truth quark, (symbol: t) is the most massive of all observed elementary particles. It derives its mass from its coupling to the Higgs boson. This coupling yt is very close to unity; in the Standard Model of particle physics, it is the largest (strongest ...