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PreprintCC BY 4.0arXiv

Born-Oppenheimer Effective Field Theory as a unified framework for all the XYZ exotics

  • Tommaso Scirpa
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Abstract

We discuss some recent applications of the Born-Oppenheimer effective field theory (BOEFT) formalism, directly derived from QCD and grounded in scale separation and symmetries, to hadronic systems containing two heavy quarks. This formalism provides a unified description of both ordinary and exotic quarkonium states (i.e., hybrids, tetraquarks, pentaquarks, ...) dynamics via coupled Schrödinger equations, whose potentials are computable on the lattice. The aim is to unveil the elusive pattern of the XYZ exotic hadrons. Here, we apply the BOEFT formalism to the χc1(3872), Tcc(3875)+, and their bottom counterparts. Moreover, we assess the threshold effects on the quarkonium spectrum and discuss the inclusive production cross section for χc1(3872).

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Cite

BibTeXRIS
BibTeX
@misc{scirpa2026bornoppenheimer,
  title = {{Born-Oppenheimer Effective Field Theory as a unified framework for all the XYZ exotics}},
  author = {Tommaso Scirpa},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.07400},
  eprint = {2610.07400},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.07400},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Born-Oppenheimer Effective Field Theory as a unified framework for all the XYZ exotics
AU  - Tommaso Scirpa
PY  - 2026
DA  - 2026/10/05
PB  - arXiv
DO  - 10.48550/arxiv.2610.07400
UR  - https://arxiv.org/abs/2610.07400
AB  - We discuss some recent applications of the Born-Oppenheimer effective field theory (BOEFT) formalism, directly derived from QCD and grounded in scale separation and symmetries, to hadronic systems containing two heavy quarks. This formalism provides a unified description of both ordinary and exotic quarkonium states (i.e., hybrids, tetraquarks, pentaquarks, ...) dynamics via coupled Schrödinger equations, whose potentials are computable on the lattice. The aim is to unveil the elusive pattern of the XYZ exotic hadrons. Here, we apply the BOEFT formalism to the χ_c1(3872), T_cc(3875)^+, and their bottom counterparts. Moreover, we assess the threshold effects on the quarkonium spectrum and discuss the inclusive production cross section for χ_c1(3872).
ER  -