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Related papers: Evidence for 6{\Lambda}H

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We present measurements of the production of stable light nuclei for mass number A<=7, of strongly decaying states He(5) and Li(5) and of the hypernucleus H(3,lambda). We also examine trends in the production of these multibaryon states as…

Nuclear Experiment · Physics 2015-06-26 The E864 Collaboration , L. Evan Finch

In this Letter, the first evidence of the $^4_{\bar{\Lambda}}\overline{\rm He}$ antihypernucleus is presented, along with the first measurement at the LHC of the production of (anti)hypernuclei with mass number $A=4$, specifically…

Nuclear Experiment · Physics 2025-05-19 ALICE Collaboration

New Faddeev-Yakubovsky calculations are reported for Lambda-Lambda-6He and Lambda-Lambda-10Be in terms of clusters of alpha's and Lambda's, using Lambda-Lambda s-wave potentials motivated by several of the Nijmegen model interactions. The…

Nuclear Theory · Physics 2009-11-07 I. N. Filikhin , A. Gal

Configuration space Faddeev calculations are performed for the binding energy of Lambda-Lambda-6He and Lambda-9Be bound states, here considered as alpha-Lambda-Lambda and alpha-alpha-Lambda clusters respectively, in order to study the…

Nuclear Theory · Physics 2009-11-10 I. Filikhin , A. Gal , V. M. Suslov

The $\Lambda$ separation energy for $\Lambda$-hypernuclei, denoted $B_\Lambda$, measured in 1967, 1968, and 1973 are recalibrated using the current best mass estimates for particles and nuclei. The recalibrated $B_\Lambda$ are…

Nuclear Experiment · Physics 2023-03-20 Peng Liu , Jinhui Chen , Declan Keane , Zhangbu Xu , Yu-Gang Ma

We measured the lifetime and the mesonic and non-mesonic decay rates of the 4He-Lambda hypernucleus. The hypernuclei were created using a 750 MeV/c momentum K- beam on a liquid 4He target by the reaction 4He(K-,pi-)4He-Lambda. The…

In these proceedings, an overview of recent hypernuclei measurements in heavy ion collisions is presented. These results include the lifetime, $\Lambda$ binding energy, production yield, and directed flow in heavy ion collisions. These…

Nuclear Experiment · Physics 2022-04-05 Yue Hang Leung

In recent years, several experiments using magnetic spectrometers provided high precision results in the field of Hypernuclear Physics. In particular, the accurate determination of the Lambda-binding energy, B(Lambda), contributed to…

Nuclear Experiment · Physics 2017-04-05 E. Botta , T. Bressani , A. Feliciello

In a recent experiment E906 at the BNL-AGS, a search for light S=-2 hypernuclei, strong evidence was found for the nuclide Hydrogen-4 double Lambda. One of the most striking components of this data was the appearance of a narrow…

Nuclear Theory · Physics 2009-11-10 D. E. Kahana , S. H. Kahana , D. J. Millener

New Faddeev-Yakubovsky calculations for light Lambda-Lambda hypernuclei are presented in order to assess the self consistency of the Lambda-Lambda hypernuclear binding-energy world data and the implied strength of the Lambda-Lambda…

Nuclear Theory · Physics 2009-11-07 I. N. Filikhin , A. Gal

The Non-Mesonic (NM) decay of $^4_\Lambda{\mathrm{He}}$ and $^5_\Lambda{\mathrm{He}}$ in two-body channels has been studied by the FINUDA Collaboration. Two-body NM decays of hypernuclei are rare and the existing observations and…

The decay of $\Lambda$-hypernuclei without pion emission, known as Non Mesonic Weak Decay (NMWD), gives an effective tool to investigate $\Delta$S=1 four-baryon interactions. It was theoretically suggested that the two-nucleon induced…

FINUDA is a hypernuclear physics experiment that will be carried out at DA$\Phi$NE, the $e^+e^-$ $\phi$-factory currently in operation at the INFN Frascati Laboratory. The apparatus, which is assembled in the DA$\Phi$NE hall, consists of a…

Nuclear Experiment · Physics 2008-11-26 M. Bertani

Stimulated by recent indications that the binding energy of the hypertriton could be significantly larger than so far assumed, requirements of a more strongly bound $^3_\Lambda {\rm H}$ state for the hyperon-nucleon interaction and…

Nuclear Theory · Physics 2021-01-20 Hoai Le , Johann Haidenbauer , Ulf-G. Meißner , Andreas Nogga

Recent experiments on production of Lambda-Lambda hypernuclei have renewed interest in extracting the Lambda-Lambda interaction from the few events identified since the inception of this field forty years ago. Few-body calculations relating…

Nuclear Theory · Physics 2009-11-10 Avraham Gal

Hiyama et al. [PRL 104 (2010) 212502] have recently reported on a pioneering five-body alpha-alpha-n-Lambda-Lambda cluster-model calculation of Lambda-Lambda-11Be in order to confront a possible interpretation of the KEK-E373 HIDA event.…

Nuclear Theory · Physics 2011-04-22 A. Gal , D. J. Millener

We fit the $^1 S_0 \Lambda\Lambda$ interaction in the nuclear medium to the masses of the experimentally known double-$\Lambda$ hypernuclei: $^{\phantom{6}6}_{\Lambda\Lambda}$He, $^{10}_{\Lambda\Lambda}$Be and $^{13}_{\Lambda\Lambda}$B. We…

Nuclear Theory · Physics 2009-09-25 J. Caro , C. Garcia-Recio , J. Nieves

The production of Lambda hyperons and light hypernuclei in heavy-ion collisions provides critical insights into the nuclear equation of state (EoS) and hyperon interactions in dense matter, addressing the longstanding ``hyperon puzzle'' in…

Nuclear Theory · Physics 2025-05-20 Gao-Chan Yong , J. L. Rodríguez-Sánchez , Yapeng Zhang

We present the first observation of $\mathrm{^{3}_\Lambda H}$ and $\mathrm{^{4}_\Lambda H}$ in Ag+Ag collisions at $\mathrm{\sqrt{s_{NN}}}$ = 2.55 GeV, emitted around mid-rapidity. The hypernuclei are reconstructed via their two-body decay…

Nuclear Experiment · Physics 2025-12-16 R. Abou Yassine , J. Adamczewski-Musch , C. Asal , M. Becker , A. Belounnas , A. Blanco , C. Blume , L. Chlad , P. Chudoba , I. Ciepał , J. Dreyer , W. A. Esmail , L. Fabbietti , H. Floersheimer , J. Förtsch , P. Fonte , J. Friese , I. Fröhlich , T. Galatyuk , R. Greifenhagen , M. Grunwald , M. Gumberidze , S. Harabasz , T. Heinz , C. Höhne , F. Hojeij , R. Holzmann , H. Huck , M. Idzik , B. Kämpfer , K-H. Kampert , B. Kardan , V. Kedych , S. Kim , I. Koenig , W. Koenig , M. Kohls , J. Kolas , G. Kornakov , R. Kotte , I. Kres , W. Krueger , A. Kugler , R. Lalik , S. Lebedev , S. Linev , F. Linz , L. Lopes , M. Lorenz , A. Malige , J. Markert , T. Matulewicz , S. Maurus , V. Metag , J. Michel , A. Molenda , C. Müntz , M. Nabroth , L. Naumann , K. Nowakowski , A. Opíchal , J. Orliński , J. -H. Otto , M. Parschau , C. Pauly , D. Pawlowska-Szymanska , V. Pechenov , O. Pechenova , D. Pfeifer , K. Piasecki , J. Pietraszko , T. Povar , K. Prościński , A. Prozorov , W. Przygoda , K. Pysz , B. Ramstein , N. Rathod , J. Ritman , A. Rost , A. Rustamov , P. Salabura , J. Saraiva , K. Scharmann , N. Schild , E. Schwab , F. Scozzi , F. Seck , I. Selyuzhenkov , U. Singh , L. Skorpil , J. Smyrski , S. Spies , A. Sreejith , H. Ströbele , J. Stroth , K. Sumara , O. Svoboda , M. Szala , P. Tlusty , M. Traxler , S. Treliński , I. C. Udrea , F. Ulrich-Pur , C. Ungethum , V. Wagner , A. A. Weber , C. Wendisch , J. Wirth , A. Władyszewska , H. P. Zbroszczyk , E. Zherebtsova , M. Zieliński , P. Zumbruch

A new search for production of correlated e+e- pairs in the alpha decay of 241Am has been carried out deep underground at the Gran Sasso National Laboratory of the I.N.F.N. by using pairs of NaI(Tl) detectors of the DAMA/LIBRA set-up. The…