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H 6 states studied ...
H 6 states studied in the H 2 (He 8, He 4) reaction and evidence of an extremely correlated character of the H 5 ground state
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- Nikolskii, E.Y. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,National Research Centre "Kurchatov Institute"
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- Muzalevskii, I. A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Slezska univerzita v Opave
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- Bezbakh, A.A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Slezska univerzita v Opave
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- Chudoba, V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Slezska univerzita v Opave
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- Krupko, S. A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Belogurov, S. G. (author)
- National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation,Joint Institute for Nuclear Research (JINR), Russian Federation
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- Biare, D. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Fomichev, A. S. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Dubna International University
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- Gazeeva, E. M. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Gorshkov, A. V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Grigorenko, L (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Russian Federation,National Research Centre "Kurchatov Institute"
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- Kaminski, G. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Uniwersytet Warszawski,University of Warsaw
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- Khirk, M. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,M. V. Lomonosov Moscow State University
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- Kiselev, O. (author)
- Helmholtz Zentrum,Helmholtz Center
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- Kostyleva, D. (author)
- Helmholtz Zentrum,Helmholtz Center,Justus-Liebig-Universität Gießen,Justus Liebig University Giessen
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- Kozlov, M. Yu (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Mauyey, B. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Mukha, I. G. (author)
- Helmholtz Zentrum,Helmholtz Center
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- Parfenova, Y. L. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Piatek, W. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Uniwersytet Warszawski,University of Warsaw
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- Quynh, A. M. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Schetinin, V. N. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Serikov, A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Sidorchuk, S. I. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Sharov, P.G. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Slezska univerzita v Opave
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- Shulgina, N. B. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,National Research Centre "Kurchatov Institute"
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- Slepnev, R. S. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Stepantsov, S. V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Swiercz, A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie,AGH University of Science and Technology
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- Szymkiewicz, P. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Akademia Gorniczo-Hutnicza im. Stanislawa Staszica w Krakowie,AGH University of Science and Technology
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- Ter-Akopian, G. M. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Dubna International University
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- Wolski, R. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Polish Academy of Sciences
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- Zalewski, B. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Uniwersytet Warszawski,University of Warsaw
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- Zhukov, Mikhail, 1943 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2022
- 2022
- English.
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In: Physical Review C. - 2469-9993 .- 2469-9985. ; 105:6
- Related links:
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https://doi.org/10.1...
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Abstract
Subject headings
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- The extremely neutron-rich system H6 was studied in the direct H2(He8,He4)H6 transfer reaction with a 26A MeV secondary He8 beam. The measured missing mass spectrum shows a broad bump at ≈4-8 MeV above the H3+3n decay threshold. This bump can be interpreted as a broad resonant state in H6 at 6.8(5) MeV. The population cross section of such a presumably p-wave state (or it may be few overlapping states) in the energy range from 4 to 8 MeV is dσ/dωc.m.≃190-80+40μb/sr in the angular range 5°<θc.m.<16°. The obtained missing mass spectrum is practically free of H6 events below 3.5 MeV (dσ/dωc.m. 5μb/sr in the same angular range). The steep rise of the H6 missing mass spectrum at ≈3 MeV allows us to derive the lower limit for the possible resonant-state energy in H6 to be 4.5(3) MeV. According to the paring energy estimates, such a 4.5(3) MeV resonance is a realistic candidate for the H6 ground state (g.s.). The obtained results confirm that the decay mechanism of the H7 g.s. (located at 2.2 MeV above the H3+4n threshold) is the "true"(or simultaneous) 4n emission. The resonance energy profiles and the momentum distributions of fragments of the sequential H6→H5(g.s.)+n→H3+3n decay were analyzed by the theoretically updated direct four-body-decay and sequential-emission mechanisms. The measured momentum distributions of the H3 fragments in the H6 rest frame indicate very strong "dineutron-type"correlations in the H5 ground state decay.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Nikolskii, E.Y.
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Muzalevskii, I. ...
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Bezbakh, A.A.
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Chudoba, V.
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Krupko, S. A.
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Belogurov, S. G.
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show more...
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Biare, D.
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Fomichev, A. S.
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Gazeeva, E. M.
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Gorshkov, A. V.
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Grigorenko, L
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Kaminski, G.
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Khirk, M.
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Kiselev, O.
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Kostyleva, D.
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Kozlov, M. Yu
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Mauyey, B.
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Mukha, I. G.
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Parfenova, Y. L.
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Piatek, W.
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Quynh, A. M.
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Schetinin, V. N.
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Serikov, A.
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Sidorchuk, S. I.
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Sharov, P.G.
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Shulgina, N. B.
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Slepnev, R. S.
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Stepantsov, S. V ...
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Swiercz, A.
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Szymkiewicz, P.
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Ter-Akopian, G. ...
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Wolski, R.
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Zalewski, B.
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Zhukov, Mikhail, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Physical Review ...
- By the university
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Chalmers University of Technology