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arxiv: 1611.06040 · v1 · pith:C3SW7BMBnew · submitted 2016-11-18 · ⚛️ nucl-th

Renormalization of the three-boson system with short-range interactions revisited

E. Epelbaum , J. Gegelia , Ulf-G. Mei{\ss}ner , De-Liang Yao This is my paper
classification ⚛️ nucl-th
keywords renormalizationtheorythree-bodyapplyingapproximationconsidercontrastcounter
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We consider renormalization of the three-body scattering problem in low-energy effective field theory of self-interacting scalar particles by applying time-ordered perturbation theory to the manifestly Lorentz-invariant formulation. The obtained leading-order equation is perturbatively renormalizable and non-perturbatively finite and does not require a three-body counter term in contrast to its non-relativistic approximation.

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