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Title: Three-body unitarity with isobars revisited

Journal Article · · European Physical Journal. A
 [1];  [1];  [2];  [3];  [4]
  1. George Washington Univ., Washington, DC (United States)
  2. George Washington Univ., Washington, DC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  3. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  4. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Indiana Univ., Bloomington, IN (United States). Center for Exploration of Energy and Matter, Physics Dept.

The particle exchange model of hadron interactions can be used to describe three-body scattering under the isobar assumption. Here, we start from the 3->3 scattering amplitude for spinless particles, which contains an isobar-spectator scattering amplitude. Using a Bethe-Salpeter Ansatz for the latter, we derive a relativistic three-dimensional scattering equation that manifestly fulfills three-body unitarity and two-body unitarity for the sub-amplitudes. Furthermore, this property holds for energies above breakup and also in the presence of resonances in the sub-amplitudes.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
Grant/Contract Number:
AC05-06OR23177; SC001658; PHY-1452055; 1415459
OSTI ID:
1389749
Report Number(s):
JLAB-THY-17-2496; DOE/OR/23177-4206; arXiv:1706.06118; PII: 920
Journal Information:
European Physical Journal. A, Vol. 53, Issue 9; ISSN 1434-6001
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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Cited By (15)

Developments of the Jülich–Bonn Dynamical Coupled-Channel Analysis journal October 2018
Variational approach to N -body interactions in finite volume journal November 2018
Three-body unitarity in the finite volume journal December 2017
The impact of $K^{+}\Lambda$ K + Λ photoproduction on the resonance spectrum journal June 2018
Phenomenology of relativistic $$\mathbf {3}\rightarrow \mathbf {3}$$ 3 → 3 reaction amplitudes within the isobar approximation journal January 2019
Three-body spectrum in a finite volume: the role of cubic symmetry text January 2018
Three particle quantization condition in a finite volume: 2. general formalism and the analysis of data text January 2017
Three-body Unitarity in the Finite Volume text January 2017
Nucleon form factors in dispersively improved Chiral Effective Field Theory II: Electromagnetic form factors text January 2017
Three-body spectrum in a finite volume: the role of cubic symmetry text January 2018
Numerical study of the relativistic three-body quantization condition in the isotropic approximation text January 2018
Variational approach to $N$-body interactions in finite volume text January 2018
Three-particle systems with resonant subprocesses in a finite volume text January 2018
Three-body scattering: Ladders and Resonances text January 2019
Three-body unitarity versus finite-volume $π^+π^+π^+$ spectrum from lattice QCD text January 2019

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