Search results
Results From The WOW.Com Content Network
The experiment exploited a huge flux of (then hypothetical) electron antineutrinos emanating from a nearby nuclear reactor and a detector consisting of large tanks of water. Neutrino interactions with the protons of the water were observed, verifying the existence and basic properties of this particle for the first time.
The neutrino [a] was postulated first by Wolfgang Pauli in 1930 to explain how beta decay could conserve energy, momentum, and angular momentum ().In contrast to Niels Bohr, who proposed a statistical version of the conservation laws to explain the observed continuous energy spectra in beta decay, Pauli hypothesized an undetected particle that he called a "neutron", using the same -on ending ...
1932 Antielectron (or positron), the first antiparticle, discovered by Carl D. Anderson [13] (proposed by Paul Dirac in 1927 and by Ettore Majorana in 1928) : 1937 Muon (or mu lepton) discovered by Seth Neddermeyer, Carl D. Anderson, J.C. Street, and E.C. Stevenson, using cloud chamber measurements of cosmic rays [14] (it was mistaken for the pion until 1947 [15])
From the range of the strong nuclear force (inferred from the radius of the atomic nucleus), Yukawa predicted the existence of a particle having a mass of about 100 MeV/c 2. Initially after its discovery in 1936, the muon (initially called the "mu meson") was thought to be this particle, since it has a mass of 106 MeV/c 2. However, later ...
1974 – Charmed quark discovered; 1975 – Tau lepton found; 1975 – Abraham Pais and Sam Treiman: Introduction of the Standard Model of particle physics term; 1977 – Bottom quark found; 1977 – Anderson localization recognised (Nobel prize in 1977, Philip W. Anderson, Mott, Van Fleck) 1980 – Strangeness as a signature of quark-gluon ...
Couples to mass (i.e., strength of interaction with Standard Model particles proportional to their mass) Particle physicist Adam Falkowski states that the essential qualities of a Higgs boson are that it is a spin-0 (scalar) particle which also couples to mass (W and Z bosons); proving spin-0 alone is insufficient. [13]
For premium support please call: 800-290-4726 more ways to reach us
On 4 July 2012, two of the experiments at the LHC (ATLAS and CMS) both reported independently that they had found a new particle with a mass of about 125 GeV/c 2 (about 133 proton masses, on the order of 10 −25 kg), which is "consistent with the Higgs boson". [47] [48] On 13 March 2013, it was confirmed to be the searched-for Higgs boson. [49 ...