FeynCalc manual (development version)

SpinorChainChiralSplit

SpinorChainChiralSplit[exp] introduces chiral projectors in spinor chains that contain no γ5\gamma^5.

See also

Overview, DiracSubstitute67, DiracGamma, ToDiracGamma67.

Examples

SpinorUBar[p1, m1] . GSD[p] . SpinorV[p2, m2] 
 
SpinorChainChiralSplit[%]

uˉ(p1,m1).(γp).v(p2,m2)\bar{u}(\text{p1},\text{m1}).(\gamma \cdot p).v(\text{p2},\text{m2})

(φ(p1,m1)).(γp).γˉ6.(φ(p2,m2))+(φ(p1,m1)).(γp).γˉ7.(φ(p2,m2))\left(\varphi (\overline{\text{p1}},\text{m1})\right).(\gamma \cdot p).\bar{\gamma }^6.\left(\varphi (-\overline{\text{p2}},\text{m2})\right)+\left(\varphi (\overline{\text{p1}},\text{m1})\right).(\gamma \cdot p).\bar{\gamma }^7.\left(\varphi (-\overline{\text{p2}},\text{m2})\right)