Note on <em>X</em>(3872) production at hadron colliders and its molecular structure

Miguel Albaladejo; Feng-Kun Guo; Christoph Hanhart; Ulf-G. Mei&szlig;ner; Juan Nieves; Andreas Nogga; Zhi Yang

doi:10.1088/1674-1137/41/12/121001

Chinese Physics C> 2017, Vol. 41> Issue(12) : 121001 DOI: 10.1088/1674-1137/41/12/121001

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

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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 p_T 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.
- X(3872) ,
- hadronic molecules ,
- exotic hadrons

References

[1]	C. Bignamini, B. Grinstein, F. Piccinini, A. D. Polosa, and C. Sabelli, Phys. Rev. Lett., 103:162001(2009)[arXiv:0906.0882[hep-ph]]
[2]	G. Bauer (CDF Collaboration), Int. J. Mod. Phys. A, 20:3765(2005)[hep-ex/0409052].
[3]	P. Artoisenet and E. Braaten, Phys. Rev. D, 81:114018(2010)[arXiv:0911.2016[hep-ph]]
[4]	A. Nogga and C. Hanhart, Phys. Lett. B, 634:210(2006)[nucl-th/0511011]
[5]	F.-K. Guo, C. Hanhart, U.-G. Meiner, Q. Wang, Q. Zhao, and B.-S. Zou, arXiv:1705.00141[hep-ph]
[6]	S. Chatrchyan et al (CMS Collaboration), JHEP, 1304:154(2013)[arXiv:1302.3968[hep-ex]]
[7]	T. Sjostrand, S. Mrenna, and P. Z. Skands, Comput. Phys. Commun., 178:852(2008)[arXiv:0710.3820[hep-ph]]
[8]	M. Bahr et al, Eur. Phys. J. C, 58:639(2008)[arXiv:0803.0883[hep-ph]]
[9]	P. Artoisenet and E. Braaten, Phys. Rev. D, 83:014019(2011)[arXiv:1007.2868[hep-ph]]
[10]	F.-K. Guo, U.-G. Meiner, W. Wang, and Z. Yang, Eur. Phys. J. C, 74:3063(2014)[arXiv:1402.6236[hep-ph]]
[11]	F.-K. Guo, C. Hanhart, U.-G. Meiner, Q. Wang, and Q. Zhao, Phys. Lett. B, 725:127(2013)[arXiv:1306.3096[hep-ph]]
[12]	Q. Wang, C. Hanhart, and Q. Zhao, Phys. Rev. Lett., 111:132003(2013)[arXiv:1303.6355[hep-ph]]
[13]	F.-K. Guo, C. Hanhart, Y. S. Kalashnikova, U.-G. Meiner, and A. V. Nefediev, Phys. Lett. B, 742:394(2015)[arXiv:1410.6712[hep-ph]]
[14]	M. Albaladejo, F.-K. Guo, C. Hidalgo-Duque, J. Nieves, and M. P. Valderrama, Eur. Phys. J. C, 75:547(2015)[arXiv:1504.00861[hep-ph]]

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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

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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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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2017-10-05
Available Online: 2017-12-05

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 p_T 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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