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Diffusion Monte Carlo study of deuteron-like fully light hexaquarks

  • M. C. Gordillo
  • J. Segovia
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Abstract

We perform a Diffusion Monte Carlo study of fully light hexaquarks containing three u quarks and three d quarks within a constituent-quark model. Both compact and baryon--baryon-like arrangements were considered separately. All compact hexaquark configurations are found well above their corresponding baryon--baryon thresholds, suggesting that deeply bound compact six-quark states are not favored in the light-quark sector within this model. By contrast, several dibaryon-like configurations lie close, but above, to the NN, NΔ, and ΔΔ thresholds and show spatial structures compatible with molecular states. One configuration exhibits two well-defined nucleon-like subclusters separated by several femtometers, characteristic of deuteron-like spatial clustering, although its calculated energy remains slightly above the corresponding threshold.

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Cite

BibTeXRIS
BibTeX
@misc{gordillo2026diffusion,
  title = {{Diffusion Monte Carlo study of deuteron-like fully light hexaquarks}},
  author = {M. C. Gordillo and J. Segovia},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2607.09288},
  eprint = {2607.09288},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.09288},
}
RIS
TY  - UNPB
TI  - Diffusion Monte Carlo study of deuteron-like fully light hexaquarks
AU  - M. C. Gordillo
AU  - J. Segovia
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2607.09288
UR  - https://arxiv.org/abs/2607.09288
AB  - We perform a Diffusion Monte Carlo study of fully light hexaquarks containing three u quarks and three d quarks within a constituent-quark model. Both compact and baryon--baryon-like arrangements were considered separately. All compact hexaquark configurations are found well above their corresponding baryon--baryon thresholds, suggesting that deeply bound compact six-quark states are not favored in the light-quark sector within this model. By contrast, several dibaryon-like configurations lie close, but above, to the NN, NΔ, and ΔΔ thresholds and show spatial structures compatible with molecular states. One configuration exhibits two well-defined nucleon-like subclusters separated by several femtometers, characteristic of deuteron-like spatial clustering, although its calculated energy remains slightly above the corresponding threshold.
ER  -