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      "surname": "Kozulin", 
      "given_names": "E.M.", 
      "full_name": "Kozulin, E.M."
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    {
      "affiliations": [
        {
          "country": "Italy", 
          "value": "Dipartimento di Fisica \u201cE. Pancini\u201d, Universita degli Studi di Napoli \u201cFederico II\u201d, Napoli, Italy"
        }, 
        {
          "country": "Italy", 
          "value": "Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Napoli, Italy"
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      "surname": "Vardaci", 
      "given_names": "E.", 
      "full_name": "Vardaci, E."
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    {
      "orcid": "0000-0003-0672-9137", 
      "affiliations": [
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          "country": "Finland", 
          "value": "Department of Physics, University of Jyv\u00e4skyl\u00e4, Jyv\u00e4skyl\u00e4, Finland"
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      "surname": "Trzaska", 
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      "full_name": "Trzaska, W.H."
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          "country": "JINR", 
          "value": "Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Russia"
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      "surname": "Bogachev", 
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      "full_name": "Bogachev, A.A."
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      "surname": "Itkis", 
      "given_names": "I.M.", 
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          "country": "JINR", 
          "value": "Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Russia"
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      "full_name": "Itkis, I.M.", 
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      "email": "jitkis@jinr.ru"
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      "full_name": "Karpov, A.V."
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          "value": "Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Russia"
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      "surname": "Knyazheva", 
      "given_names": "G.N.", 
      "full_name": "Knyazheva, G.N."
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          "value": "Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Russia"
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      "surname": "Novikov", 
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  "titles": [
    {
      "source": "Elsevier", 
      "title": "Evidence of quasifission in the Hg composite system formed in the Zn + Sn reaction"
    }
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  "collections": [
    {
      "primary": "Physics Letters B"
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      "journal_volume": "819 C", 
      "journal_title": "Physics Letters B", 
      "material": "article", 
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      "source": "Elsevier", 
      "value": "For the $^{68}$Zn + $^{112}$Sn reaction the Coulomb parameter <math><msub><mrow><mi>Z</mi></mrow><mrow><mn>1</mn></mrow></msub><msub><mrow><mi>Z</mi></mrow><mrow><mn>2</mn></mrow></msub></math> is equal to 1500 that is close to the threshold value for the appearance of quasifission process. It was found that mass-energy distributions of the reaction fragments differ significantly from those obtained in the $^{36}$Ar + $^{144}$Sm reaction leading to the formation of the same composite system of $^{180}$Hg at similar excitation energies of about 50 MeV. In the case of the reaction with $^{68}$Zn ions, the mass distribution of fissionlike fragments has a wide two-humped shape with maximum yields at 70 and 110 u for the light and heavy fragments, respectively, instead of 80 and 100 u observed in the fission of $^{180}$Hg formed in the $^{36}$Ar + $^{144}$Sm reaction. The difference is explained by an unexpectedly large contribution (more than 70%) of quasifission in the case of the $^{68}$Zn + $^{112}$Sn reaction."
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