Note on X(3872) production at hadron colliders and its molecular structure

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Miguel Albaladejo, Feng-Kun Guo, Christoph Hanhart, Ulf-G. Meißner, Juan Nieves, Andreas Nogga and Zhi Yang. Note on X(3872) production at hadron colliders and its molecular structure[J]. Chinese Physics C, 2017, 41(12): 121001. doi: 10.1088/1674-1137/41/12/121001
Miguel Albaladejo, Feng-Kun Guo, Christoph Hanhart, Ulf-G. Meißner, Juan Nieves, Andreas Nogga and Zhi Yang. Note on X(3872) production at hadron colliders and its molecular structure[J]. Chinese Physics C, 2017, 41(12): 121001.  doi: 10.1088/1674-1137/41/12/121001 shu
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Received: 2017-10-05
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    Supported by DFG and NSFC through funds provided to the Sino-German CRC 110 Symmetries and the Emergence of Structure in QCD (NSFC (11621131001), DFG (TRR110)), by NSFC (11647601), by the CAS Key Research Program of Frontier Sciences (QYZDB-SSW-SYS013), by the Thousand Talents Plan for Young Professionals, by the CAS President's International Fellowship Initiative (PIFI) (2017VMA0025), and by Spanish Ministerio de Econom a y Competitividad and European FEDER under contracts FIS2014-51948-C2-1-P and SEV-2014-0398. Part of the computations have been performed on JUQUEEN and JURECA of the JSC, Jlich, Germany

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Note on X(3872) production at hadron colliders and its molecular structure

  • 1.  Departamento de Fí
  • 2. CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 3. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • 4.  Institute for Advanced Simulation, Institut fü
  • 5. Institute for Advanced Simulation, Institut fü
  • 6. Helmholtz-Institut fü
  • 7.  Instituto de Fí
  • 8. Helmholtz-Institut fü
  • 9. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Fund Project:  Supported by DFG and NSFC through funds provided to the Sino-German CRC 110 Symmetries and the Emergence of Structure in QCD (NSFC (11621131001), DFG (TRR110)), by NSFC (11647601), by the CAS Key Research Program of Frontier Sciences (QYZDB-SSW-SYS013), by the Thousand Talents Plan for Young Professionals, by the CAS President's International Fellowship Initiative (PIFI) (2017VMA0025), and by Spanish Ministerio de Econom a y Competitividad and European FEDER under contracts FIS2014-51948-C2-1-P and SEV-2014-0398. Part of the computations have been performed on JUQUEEN and JURECA of the JSC, Jlich, Germany

Abstract: The production of the X(3872) as a hadronic molecule in hadron colliders is clarified. We show that the conclusion of Bignamini et al., Phys. Rev. Lett. 103 (2009) 162001, that the production of the X(3872) at high pT implies a non-molecular structure, does not hold. In particular, using the well understood properties of the deuteron wave function as an example, we identify the relevant scales in the production process.

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