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          "country": "China", 
          "value": "Department of Physics, Nanjing University, Nanjing, China"
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      "surname": "Du", 
      "email": "mingxuandu@smail.nju.edu.cn", 
      "full_name": "Du, Mingxuan", 
      "given_names": "Mingxuan"
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    {
      "surname": "Liu", 
      "given_names": "Zuowei", 
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        {
          "country": "China", 
          "value": "Department of Physics, Nanjing University, Nanjing, China"
        }, 
        {
          "country": "China", 
          "value": "CAS Center for Excellence in Particle Physics, Beijing, China"
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      "full_name": "Liu, Zuowei", 
      "orcid": "0000-0002-8377-9317", 
      "email": "zuoweiliu@nju.edu.cn"
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    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics, Northeastern University, Boston, USA"
        }
      ], 
      "surname": "Nath", 
      "email": "p.nath@northeastern.edu", 
      "full_name": "Nath, Pran", 
      "given_names": "Pran"
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    {
      "source": "Elsevier", 
      "title": "CDF W mass anomaly with a Stueckelberg-Higgs portal"
    }
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    {
      "primary": "Physics Letters B"
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      "value": "10.1016/j.physletb.2022.137454"
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      "journal_volume": "834 C", 
      "journal_title": "Physics Letters B", 
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      "source": "Elsevier", 
      "value": "We propose an explanation to the new W mass measurement recently reported by the CDF collaboration, which is larger than the standard model expectation by about 7 standard deviations. To alleviate the tensions that are imposed on the electroweak sector by the new W mass measurement, we carry out an analysis in the Stueckelberg extended standard model where a new neutral gauge boson appears which mixes with the two neutral gauge bosons in the electroweak sector both via the Stueckelberg mass terms and via the gauge invariant Stueckelberg-Higgs portal interaction and spoils the custodial symmetry at the tree level so that the simple relation between the W boson mass and the Z boson mass does not hold. We find that such an extension increases the W boson mass if the new gauge boson mass is larger than the Z boson mass. We further show that there exists a significant part of the parameter space in the extended model which includes the CDF mass anomaly and is consistent with the various observables at the Z pole and consistent with the ATLAS dilepton limits. The Stueckelberg <math><msubsup><mrow><mi>Z</mi></mrow><mrow><mi>St</mi></mrow><mrow><mo>\u2032</mo></mrow></msubsup></math> boson, which resolves the CDF W mass anomaly, should be searchable in future LHC experiments."
    }
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      "date": "2022-09-15", 
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