Question

1. What are higgs boson ? 2. Do they have mass ? 3. Do they show motion ?

Answer 1

Higgs bosonCandidate Higgs boson events from collisions between protons in the LHC. The top event in the CMS experiment shows a decay into two photons (dashed yellow lines and green towers). The lower event in the ATLAS experiment shows a decay into four muons (red tracks).[Note 1]CompositionElementary particleStatisticsBosonicStatusA new particle with a mass of 125 GeV was discovered in 2012 and later confirmed to be the Higgs boson with more precise measurements.[1]
(See: Current status)Symbol
H0
TheorisedR. Brout, F. Englert, P. Higgs, G. S. Guralnik, C. R. Hagen, and T. W. B. Kibble (1964)DiscoveredLarge Hadron Collider (2011–2013)Mass125.09±0.21 (stat.)±0.11 (syst.) GeV/c2(CMS+ATLAS)[2]Mean lifetime1.56×10−22 s[Note 2] (predicted)Decays intoBottom-antibottom pair (predicted)Two W bosons (observed)Two gluons (predicted)Tau-antitau pair (observed)Two Z bosons (observed)Two photons (observed)Various other decays (predicted)Electric charge0 eColour charge0Spin0[4][5]Weak isospin−1/2Weak hypercharge+1Parity+1[4][5]

The Higgs boson is an elementary particle in the Standard Model of particle physics. First suspected to exist in the 1960s, it is the quantum excitation of the Higgs field,[6][7] a fundamental field of crucial importance to particle physics theory.[7] Unlike other known fields such as the electromagnetic field, it is scalar and also has a non-zero constant value in vacuum. The question of the existence of the Higgs field became the last unverified part of the Standard Model of particle physics, and for several decades, was considered "the central problem in particle physics