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  "authors": [
    {
      "affiliations": [
        {
          "country": "Vietnam", 
          "value": "Institute of Physics, VAST, 10 Dao Tan, Ba Dinh, Hanoi, Vietnam", 
          "organization": "Institute of Physics, VAST"
        }, 
        {
          "country": "Vietnam", 
          "value": "Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam", 
          "organization": "Vietnam Academy of Science and Technology"
        }
      ], 
      "surname": "Nguyen Tuan", 
      "email": "ntdem@iop.vast.ac.vn", 
      "full_name": "Nguyen Tuan, Duy", 
      "given_names": "Duy"
    }, 
    {
      "affiliations": [
        {
          "country": "Vietnam", 
          "value": "Institute of Physics, VAST, 10 Dao Tan, Ba Dinh, Hanoi, Vietnam", 
          "organization": "Institute of Physics, VAST"
        }, 
        {
          "country": "Japan", 
          "value": "Theoretical Research Division, Nishina Center, RIKEN, Wako, 351-0198, Japan", 
          "organization": "RIKEN"
        }
      ], 
      "surname": "Inami", 
      "given_names": "Takeo", 
      "full_name": "Inami, Takeo"
    }, 
    {
      "affiliations": [
        {
          "country": "Vietnam", 
          "value": "Institute of Physics, VAST, 10 Dao Tan, Ba Dinh, Hanoi, Vietnam", 
          "organization": "Institute of Physics, VAST"
        }
      ], 
      "surname": "Do Thi", 
      "email": "dthuong@iop.vast.ac.vn", 
      "full_name": "Do Thi, Huong", 
      "given_names": "Huong"
    }
  ], 
  "titles": [
    {
      "source": "Springer", 
      "title": "Physical constraints derived from FCNC in the 3-3-1-1 model"
    }
  ], 
  "dois": [
    {
      "value": "10.1140/epjc/s10052-021-09583-x"
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      "page_end": "16", 
      "journal_title": "European Physical Journal C", 
      "material": "article", 
      "journal_volume": "81", 
      "artid": "s10052-021-09583-x", 
      "year": 2021, 
      "page_start": "1", 
      "journal_issue": "9"
    }
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    16
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  "license": [
    {
      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
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  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2021"
    }
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  "control_number": "64626", 
  "record_creation_date": "2021-09-14T15:30:19.897335", 
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  "collections": [
    {
      "primary": "European Physical Journal C"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "We investigate several phenomena related to FCNCs in the  $$\\text {3-3-1-1}$$  <math> <mtext>3-3-1-1</mtext> </math>   model. The sources of FCNCs at the tree-level from both the gauge and Higgs sectors are clarified. Experiments on the oscillation of mesons most stringently constrain the tree-level FCNCs. The lower bound on the new physics scale is imposed more tightly than in the previous,  $$\\text {M}_{\\text {new}}&gt;12 $$  <math> <mrow> <msub> <mtext>M</mtext> <mtext>new</mtext> </msub> <mo>&gt;</mo> <mn>12</mn> </mrow> </math>   TeV. Under this bound, the tree-level FCNCs make a negligible contribution to the  $$\\text {Br}(B_s \\rightarrow \\mu ^+ \\mu ^-)$$  <math> <mrow> <mtext>Br</mtext> <mo>(</mo> <msub> <mi>B</mi> <mi>s</mi> </msub> <mo>\u2192</mo> <msup> <mi>\u03bc</mi> <mo>+</mo> </msup> <msup> <mi>\u03bc</mi> <mo>-</mo> </msup> <mo>)</mo> </mrow> </math>  ,  $$\\text {Br}(B \\rightarrow K^{*} \\mu ^+ \\mu ^-)$$  <math> <mrow> <mtext>Br</mtext> <mo>(</mo> <mi>B</mi> <mo>\u2192</mo> <msup> <mi>K</mi> <mrow> <mrow></mrow> <mo>\u2217</mo> </mrow> </msup> <msup> <mi>\u03bc</mi> <mo>+</mo> </msup> <msup> <mi>\u03bc</mi> <mo>-</mo> </msup> <mo>)</mo> </mrow> </math>   and  $$\\text {Br}(B^{+}\\rightarrow K^{+}\\mu ^{+}\\mu ^{-})$$  <math> <mrow> <mtext>Br</mtext> <mo>(</mo> <msup> <mi>B</mi> <mo>+</mo> </msup> <mo>\u2192</mo> <msup> <mi>K</mi> <mo>+</mo> </msup> <msup> <mi>\u03bc</mi> <mo>+</mo> </msup> <msup> <mi>\u03bc</mi> <mo>-</mo> </msup> <mo>)</mo> </mrow> </math>  . The branching ratio of radiative decay  $$b \\rightarrow s \\gamma $$  <math> <mrow> <mi>b</mi> <mo>\u2192</mo> <mi>s</mi> <mi>\u03b3</mi> </mrow> </math>   is enhanced by the ratio  $$\\frac{v}{u}$$  <math> <mfrac> <mi>v</mi> <mi>u</mi> </mfrac> </math>   via diagrams with the charged Higgs mediation. In contrast, the charged currents of new gauge bosons significantly contribute to the decay process  $$\\mu \\rightarrow e \\gamma $$  <math> <mrow> <mi>\u03bc</mi> <mo>\u2192</mo> <mi>e</mi> <mi>\u03b3</mi> </mrow> </math>  ."
    }
  ], 
  "imprints": [
    {
      "date": "2021-09-14", 
      "publisher": "Springer"
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