Content deleted Content added
m Task 18 (cosmetic): eval 4 templates: hyphenate params (4×); |
mNo edit summary |
||
Line 11:
{{Main|CP violation}}
CP-symmetry states that the laws of physics should be the same if a particle were interchanged with its antiparticle (C symmetry, as charges of antiparticles are the negative of the corresponding particle), and then the left and right were swapped (P symmetry). P is the parity symmetry, and C is the chiral symmetry.
Experiments do not indicate any CP violation in the QCD sector. For example, a generic CP violation in the strongly interacting sector would create an [[electric dipole moment]] of the [[neutron]] which would be comparable to 10<sup>−18</sup> [[Elementary charge|e]]·[[Metre|m]] while [[neutron electric dipole moment|the current experimental upper bound]] is roughly one billionth that size.<ref>{{Cite journal |last1=Baker |first1=C.A. |last2=Doyle |first2=D.D. |last3=Geltenbort |first3=P. |last4=Green |first4=K. |last5=van der Grinten |first5=M.G.D. |last6=Harris |first6=P.G. |last7=Iaydjiev |first7=P. |last8=Ivanov |first8=S.N. |last9=May|first9=D.J.R. |date=2006-09-27 |df=dmy-all |title=Improved experimental limit on the electric dipole moment of the neutron |journal=Physical Review Letters |volume=97 |issue=13 |pages=131801 |doi=10.1103/PhysRevLett.97.131801 |pmid=17026025 |arxiv=hep-ex/0602020|s2cid=119431442 }}</ref>
| |||