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      "holder": "The Author", 
      "statement": "The Author", 
      "year": "2020"
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      "affiliations": [
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          "country": "France", 
          "value": "Laboratoire Particules et Univers de Montpellier, CNRS-IN2P3, Case 070, Place Eug\u00e8ne Bataillon, 34095, Montpellier, France"
        }
      ], 
      "surname": "Narison", 
      "email": "snarison@yahoo.fr", 
      "full_name": "Narison, Stephan", 
      "given_names": "Stephan"
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  "titles": [
    {
      "source": "Elsevier", 
      "title": "And From And Improved Estimates of And"
    }
  ], 
  "collections": [
    {
      "primary": "Physics Letters B"
    }
  ], 
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      "value": "10.1016/j.physletb.2020.135221"
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  "publication_info": [
    {
      "journal_volume": "802 C", 
      "journal_title": "Physics Letters B", 
      "material": "article", 
      "artid": "135221", 
      "year": 2020
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  "$schema": "http://repo.scoap3.org/schemas/hep.json", 
  "abstracts": [
    {
      "source": "Elsevier", 
      "value": "We extract (for the first time) the correlated values of the running masses <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi></mrow></msub></math> and <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>b</mi></mrow></msub></math> from <math><msub><mrow><mi>M</mi></mrow><mrow><msub><mrow><mi>B</mi></mrow><mrow><mi>c</mi></mrow></msub></mrow></msub></math> using QCD Laplace sum rules (LSR) within stability criteria where perturbative (PT) expressions at N2LO and non-perturbative (NP) gluon condensates at LO are included. Allowing the values of <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi><mo>,</mo><mi>b</mi></mrow></msub><mo>(</mo><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi><mo>,</mo><mi>b</mi></mrow></msub><mo>)</mo></math> to move inside the enlarged range of recent estimates from charmonium and bottomium sum rules (Table 1) obtained using similar stability criteria, we deduce: <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi></mrow></msub><mo>(</mo><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi></mrow></msub><mo>)</mo><mo>=</mo><mn>1286</mn><mo>(</mo><mn>16</mn><mo>)</mo></math> MeV and <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>b</mi></mrow></msub><mo>(</mo><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>b</mi></mrow></msub><mo>)</mo><mo>=</mo><mn>4202</mn><mo>(</mo><mn>8</mn><mo>)</mo></math> MeV. Combined with previous estimates (Table 2), we deduce a tentative QCD Spectral Sum Rules (QSSR) average: <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi></mrow></msub><mo>(</mo><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>c</mi></mrow></msub><mo>)</mo><mo>=</mo><mn>1266</mn><mo>(</mo><mn>6</mn><mo>)</mo></math> MeV and <math><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>b</mi></mrow></msub><mo>(</mo><msub><mrow><mover><mrow><mi>m</mi></mrow><mo>\u203e</mo></mover></mrow><mrow><mi>b</mi></mrow></msub><mo>)</mo><mo>=</mo><mn>4197</mn><mo>(</mo><mn>8</mn><mo>)</mo></math> MeV where the errors come from the precise determinations from <math><mi>J</mi><mo>/</mo><mi>\u03c8</mi></math> and \u03d2 sum rules. As a result, we present an improved prediction of <math><msub><mrow><mi>f</mi></mrow><mrow><msub><mrow><mi>B</mi></mrow><mrow><mi>c</mi></mrow></msub></mrow></msub><mo>=</mo><mn>371</mn><mo>(</mo><mn>17</mn><mo>)</mo></math> MeV and the tentative upper bound <math><msub><mrow><mi>f</mi></mrow><mrow><msub><mrow><mi>B</mi></mrow><mrow><mi>c</mi></mrow></msub><mo>(</mo><mn>2</mn><mi>S</mi><mo>)</mo></mrow></msub><mo>\u2264</mo><mn>139</mn><mo>(</mo><mn>6</mn><mo>)</mo></math> MeV, which are useful for a further analysis of <math><msub><mrow><mi>B</mi></mrow><mrow><mi>c</mi></mrow></msub></math>-decays."
    }
  ], 
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      "date": "2020-01-15", 
      "publisher": "Elsevier"
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