<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mrow /><mml:mrow><mml:mn>6</mml:mn></mml:mrow><mml:mrow /><mml:mrow /><mml:mprescripts /><mml:mrow><mml:mi>Λ</mml:mi><mml:mi>Λ</mml:mi></mml:mrow><mml:mrow /><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>Double Hyperfragment

Prowse, D. J.

doi:10.1103/physrevlett.17.782

Cited by 328 publications

(214 citation statements)

References 7 publications

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“…Emulsion experiments and subsequent analysis [1][2][3][4] have reported the formation of a few ⌳⌳ hypernuclei, ⌳⌳ 6 He, ⌳⌳ 10 Be, and ⌳⌳ 13 B. From the resulting ⌳⌳ binding energies, a quite large ⌳⌳ bond energy of around 4 to 5 MeV emerged, contrary to expectations from SU(3) [5].…”

Section: Introductioncontrasting

confidence: 39%

ΛΛbond energy from the Nijmegen potentials

2004

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The ⌳⌳ bond energy ⌬B ⌳⌳ in ⌳⌳ hypernuclei is obtained from a G-matrix calculation which includes the coupling between the ⌳⌳, ⌶N, and ⌺⌺ channels, as well as the effect of Pauli blocking to all orders. The Nijmegen NSC97e model is used as bare baryon-baryon interaction in the strangeness S = −2 sector. The ⌳⌳-⌶N coupling increases substantially the bond energy with respect to the uncoupled ⌳⌳ case. However, the additional incorporation of the ⌺⌺ channel, which couples simultaneously to ⌳⌳ and ⌶N states, has a surprisingly drastic effect and reduces the bond energy down to a value closer to that obtained in an uncoupled calculation. We find that a complete treatment of Pauli blocking reduces the repulsive effect on the bond energy to about half of what was claimed before.

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Section: Introductioncontrasting

confidence: 39%

ΛΛbond energy from the Nijmegen potentials

2004

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“…A second event, an example of 6 ΛΛ He, was reported by D. J. Prowse in 1966(Prowse 1966. Then, in 1977, Bob Jaffe predicted (Jaffe 1977) the existence of the H-particle, a deeply bound (by perhaps 80 MeV) six-quark system with the quark content of two Λ hyperons.…”

Section: Y-n Y-y Interactions and Hypernuclear Physicsmentioning

confidence: 99%

Richard Henry Dalitz. 28 February 1925 — 13 January 2006

Aitchison¹,

Smith²

2016

Biogr. Mems Fell. R. Soc.

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Richard (Dick) Henry Dalitz was a theoretical physicist whose principal contributions were intimately connected to some of the major breakthroughs of the twentieth century in particle and nuclear physics. His formulation of the ‘τ–θ’ puzzle led to the discovery that parity is not a symmetry of nature—the first of the assumed space-time symmetries to fail. He pioneered the theoretical study of hypernuclei, of strange baryon resonances, and of baryon spectroscopy in the quark model (at a time when many considered it ‘naive’), to all of which he made lasting contributions. The ‘Dalitz plot’ and ‘Dalitz pairs’ are part of the vocabulary of particle physics. Throughout his career he remained in close touch with many experimentalists, and he had an encyclopaedic knowledge of the data. Many of his papers were stimulated by experimental results and were concerned with their analysis and interpretation, work that often required the forging of new phenomenological tools; many also indicated what new experiments needed to be done. As a consequence, he was a theorist exceptionally valued by experimentalists. He created and ran a strong particle theory group at Oxford, which attracted many talented students and researchers, and which has continued to thrive.

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“…Several candidates [1,2,3,4] for doubly-strange hypernuclei have been identified in emulsion experiments. By the nature of the latter approach, usually only one example of a given species is uncovered in each search.…”

Section: Pacs Numbers: 2180+amentioning

confidence: 99%

Resonant state inΛ4He

Kahana

Millener

2003

Phys. Rev. C

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In a recent experiment E906 at the BNL-AGS, a search for light S = −2 hypernuclei, strong evidence for the nuclide 4 ΛΛ H was found. One of the most striking components of this data was the appearance of a narrow low-momentum π − line at kπ = 104 − 105 MeV/c. This was ascribed to the decay of 4 ΛΛ H into a resonant state in 4 Λ He. The existence of such a state is shown to be plausible and its characteristics delineated.

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He6ΛΛDouble Hyperfragment

Cited by 328 publications

References 7 publications

ΛΛbond energy from the Nijmegen potentials

ΛΛbond energy from the Nijmegen potentials

Richard Henry Dalitz. 28 February 1925 — 13 January 2006

Resonant state inΛ4He

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