Track significance
{{technical|date=December 2018}}
Track significance, in high energy collision experiments, is defined as the ratio between the impact parameter of a track (distance from the primary vertex) and the estimated error in it.{{Cite journal |journal=Physical Review D |volume=60 |issue=5 |pages=052003 |doi=10.1103/PhysRevD.60.052003 |bibcode=1999PhRvD..60e2003A |hdl=1808/15346 |title=Measurement of W and Z boson production cross sections in p{{overline|p}} collisions at {{sqrt|s}} = 1.8 TeV |year=1999 |last1=Abbott |first1=B. |display-authors=etal|arxiv=hep-ex/9901040 |s2cid=14109344 }}{{Cite journal |last=Onishchuk |first=Yuriy |date=2010 |title=Production of heavy flavours at HERA |url=http://inis.iaea.org/Search/search.aspx?orig_q=RN:42068844 |journal=Nuclear Physics B: Proceedings Supplements |language=English |volume=207 |pages=383–386 |doi=10.1016/j.nuclphysbps.2010.10.100 |issn=0920-5632 |bibcode=2010NuPhS.207..383O}}
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