Exotics from heavy ion collisions

Akira Ohnishi; Sungtae Cho; Takenori Furumoto; Tetsuo Hyodo; Daisuke Jido; Che Ming Ko; Su Houng Lee; Marina Nielsen; Takayasu Sekihara; Shigehiro Yasui; Koichi Yazaki

doi:10.1063/1.3647419

Exotics from heavy ion collisions

Akira Ohnishi, Sungtae Cho, Takenori Furumoto, Tetsuo Hyodo, Daisuke Jido, Che Ming Ko, Su Houng Lee, Marina Nielsen, Takayasu Sekihara, Shigehiro Yasui, Koichi Yazaki

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Discriminating hadronic molecular and multi-quark states is a long standing problem in hadronic physics. We propose here to utilize relativistic heavy ion collisions to resolve this problem, as exotic hadron yields are expected to be strongly affected by their structures. Using the coalescence model, we find that the exotic hadron yield relative to the statistical model result is typically an order of magnitude smaller for a compact multi-quark state, and larger by a factor of two or more for a loosely bound hadronic molecule. We further find that some of the newly proposed heavy exotic states could be produced and realistically measured at RHIC and LHC.

Original language	English
Title of host publication	International Conference on the Structure of Baryons, BARYONS'10
Pages	404-407
Number of pages	4
DOIs	https://doi.org/10.1063/1.3647419
Publication status	Published - 2011 Nov 24
Event	International Conference on the Structure of Baryons, BARYONS'10 - Osaka, Japan Duration: 2010 Dec 7 → 2010 Dec 11

Publication series

Name	AIP Conference Proceedings
Volume	1388
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	International Conference on the Structure of Baryons, BARYONS'10
Country	Japan
City	Osaka
Period	10/12/7 → 10/12/11

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1063/1.3647419

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Ohnishi, A., Cho, S., Furumoto, T., Hyodo, T., Jido, D., Ko, C. M., Lee, S. H., Nielsen, M., Sekihara, T., Yasui, S., & Yazaki, K. (2011). Exotics from heavy ion collisions. In International Conference on the Structure of Baryons, BARYONS'10 (pp. 404-407). (AIP Conference Proceedings; Vol. 1388). https://doi.org/10.1063/1.3647419

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author = "Akira Ohnishi and Sungtae Cho and Takenori Furumoto and Tetsuo Hyodo and Daisuke Jido and Ko, {Che Ming} and Lee, {Su Houng} and Marina Nielsen and Takayasu Sekihara and Shigehiro Yasui and Koichi Yazaki",

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series = "AIP Conference Proceedings",

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Ohnishi, A, Cho, S, Furumoto, T, Hyodo, T, Jido, D, Ko, CM, Lee, SH, Nielsen, M, Sekihara, T, Yasui, S & Yazaki, K 2011, Exotics from heavy ion collisions. in International Conference on the Structure of Baryons, BARYONS'10. AIP Conference Proceedings, vol. 1388, pp. 404-407, International Conference on the Structure of Baryons, BARYONS'10, Osaka, Japan, 10/12/7. https://doi.org/10.1063/1.3647419

Exotics from heavy ion collisions. / Ohnishi, Akira; Cho, Sungtae; Furumoto, Takenori; Hyodo, Tetsuo; Jido, Daisuke; Ko, Che Ming; Lee, Su Houng; Nielsen, Marina; Sekihara, Takayasu; Yasui, Shigehiro; Yazaki, Koichi.

International Conference on the Structure of Baryons, BARYONS'10. 2011. p. 404-407 (AIP Conference Proceedings; Vol. 1388).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - Ohnishi, Akira

AU - Cho, Sungtae

AU - Furumoto, Takenori

AU - Hyodo, Tetsuo

AU - Jido, Daisuke

AU - Ko, Che Ming

AU - Lee, Su Houng

AU - Nielsen, Marina

AU - Sekihara, Takayasu

AU - Yasui, Shigehiro

AU - Yazaki, Koichi

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AB - Discriminating hadronic molecular and multi-quark states is a long standing problem in hadronic physics. We propose here to utilize relativistic heavy ion collisions to resolve this problem, as exotic hadron yields are expected to be strongly affected by their structures. Using the coalescence model, we find that the exotic hadron yield relative to the statistical model result is typically an order of magnitude smaller for a compact multi-quark state, and larger by a factor of two or more for a loosely bound hadronic molecule. We further find that some of the newly proposed heavy exotic states could be produced and realistically measured at RHIC and LHC.

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