Status of ACCULINNA beam line

Родин, А. М.; Stepantsov, S. V.; Bogdanov, D.D.; Golovkov, M. S.; Фомичев, А. С.; Sidorchuk, S. I.; Slepnev, R. S.; Wolski, R.; Ter‐Akopian, G. M.; Oganessian, Yu. Ts.; Yukhimchuk, А. А.; Perevozchikov, V. V.; Vinogradov, Yu. I.; Гришечкин, С. К.; Demin, A. M.; Zlatoustovskiy, S. V.; Kuryakin, A.; Filchagin, S.; Ilkaev, R.

doi:10.1016/s0168-583x(02)01897-9

Cited by 38 publications

(19 citation statements)

References 6 publications

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“…¥Îâ ÔÓÂÄÐÇÐËâ ÒÓËÄÇAEÈÏ ÔÕÂÐAEÂÓÕÐÑÇ ÄÞÓÂÉÇÐËÇ AEÎâ ÑÙÇÐÍË ÛËÓËÐÞ ÑÃÞÚÐÑÅÑ ÑAEÐÑÒÓÑÕÑÐÐÑÅÑ ÓÂÔÒÂAEÂ G 2 Ô àÐÇÓ-ÅËÇÌ ÓÂÔÒÂAEÂ E r : [26]. ±ÓË ÓÂÃÑÕÇ Ô ÒÖÚÍÑÏ ÒÓÑÕÑÐÐÑ-ËÊÃÞÕÑÚ-ÐÞØ âAEÇÓ ÔÕÇÒÇÐß ÑÚËÔÕÍË ÊÂÏÇÕÐÑ ÏÇÐßÛÇ ì ÐÇ ÒÓÇ-ÄÞÛÂÇÕ ÐÇÔÍÑÎßÍËØ ÒÓÑÙÇÐÕÑÄ (ËÊ-ÊÂ ÊÐÂÚËÕÇÎßÐÑ ÃÑÎß-ÛÇÅÑ ÐÂÃÑÓÂ âAEÇÓ ÒÓË ÓÂÃÑÕÇ ÔÇÒÂÓÂÕÑÓÂ Ä ÖÔÎÑÄËâØ B RIB`BHI ) [130].…”

Section: 4°ôðñäðþç ×âãóëíë óâAeëñâíõëäðþø ëêñõñòñä ë òçóôòçíõëäðþçmentioning

confidence: 99%

Studies of light exotic nuclei in vicinity of neutron and proton drip-lines at FLNR JINR

Grigorenko¹,

Golovkov²,

Krupko³

et al. 2016

Успехи физических наук

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Section: 4°ôðñäðþç ×âãóëíë óâAeëñâíõëäðþø ëêñõñòñä ë òçóôòçíõëäðþçmentioning

confidence: 99%

Studies of light exotic nuclei in vicinity of neutron and proton drip-lines at FLNR JINR

Grigorenko¹,

Golovkov²,

Krupko³

et al. 2016

Успехи физических наук

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“…In NTE, the directions and ranges of the beam nuclei, as well as slow products of their decays can be measured, which provides a basis for spectrometry. More than half a century ago, hammer-like tracks from the decay of 8 Be nuclei through the first excited state 2 + of about 2.0 MeV were observed in NTE. They occurred in the β-decays of stopped 8 Li and 8 Be fragments, which in turn were produced by high-energy particles [5].…”

Section: Imentioning

confidence: 99%

“…In March 2012 exposure of NTE to nuclei 8 He of energy of 60 MeV [7] is performed at the fragment separator ACCULINNA [8] in the G. N. Flerov Laboratory of Nuclear Reactions, JINR. Features of decays of the 8 He isotope are shown in Fig.…”

Section: Imentioning

confidence: 99%

“…When scanning the NTE pellicle with a 20× objectives on the microscopes MBI-9 a primary search for β-decays of 8 He nuclei was focused on hammer-like events (Fig. 2).…”

Section: Imentioning

confidence: 99%

“…Corresponding to a half of the statistics this number indicate that the forwardbackward asymmetry is absent. The "broken" events were attributed to a drift of thermalized 8 He atoms that arose as a result of neutralization of 8 He nuclei. This effect is determined by the nature of 8 He and such events are identified them particularly reliably.…”

Section: Imentioning

confidence: 99%

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8He Nuclei Stopped in Nuclear Track Emulsion

et al. 2014

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The fragment separator ACCULINNA in the G. N. Flerov Laboratory of Nuclear Reactions of JINR was used to expose a nuclear track emulsion to a beam of radioactive 8 He nuclei of energy of 60 MeV and enrichment of about 80%. Measurements of decays of 8 He nuclei stopped in the emulsion allow one to evaluate possibilities of α-spectrometry and to observe a thermal drift of 8 He atoms in matter. Knowledge of the energy and emission angles of α-particles allows one to derive the energy distribution of α-decays Q 2α . The presence of a "tail" of large values Q 2α is established.The physical reason for the appearance of this "tail" in the distribution Q 2α is not clear. Its shape could allow one to verify calculations of spatial structure of nucleon ensembles emerging as α-pairs of decays via the state 8 Be 2+ .

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‘‘Tomography’’ of the Cluster Structure of Light Nuclei via Relativistic Dissociation

Zarubin

2014

Lecture Notes in Physics

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These lecture notes present the capabilities of relativistic nuclear physics for the development of the physics of nuclear clusters. Nuclear track emulsion continues to be an effective technique for pilot studies that allows one, in particular, to study the cluster dissociation of a wide variety of light relativistic nuclei within a common approach. Despite the fact that the capabilities of the relativistic fragmentation for the study of nuclear clustering were recognized quite a long time ago, electronic experiments have not been able to come closer to an integrated analysis of ensembles of relativistic fragments. The continued pause in the investigation of the "fine" structure of relativistic fragmentation has led to resumption of regular exposures of nuclear emulsions in beams of light nuclei produced for the first time at the Nuclotron of the Joint Institute for Nuclear Research (JINR, Dubna). To date, an analysis of the peripheral interactions of relativistic isotopes of beryllium, boron, carbon and nitrogen, including radioactive ones, with nuclei of the emulsion composition, has been performed, which allows the clustering pattern to be presented for a whole family of light nuclei.

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Status of ACCULINNA beam line

Cited by 38 publications

References 6 publications

Studies of light exotic nuclei in vicinity of neutron and proton drip-lines at FLNR JINR

Studies of light exotic nuclei in vicinity of neutron and proton drip-lines at FLNR JINR

8He Nuclei Stopped in Nuclear Track Emulsion

‘‘Tomography’’ of the Cluster Structure of Light Nuclei via Relativistic Dissociation

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