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Exotic hadron containing seven quarks or antiquarks
In
particle physics , heptaquarks are a family of hypothetical
composite particles , each consisting of seven
quarks or
antiquarks of any flavours.
[1]
[2]
[3]
[4]
Properties
One model predicts that the lowest-energy heptaquark state would be a spin-1/2 or spin-3/2 state of energy roughly 2.5 GeV.
[5] Another study found that the most stable heptaquark would include three strange quarks and two strange antiquarks.
[6]
See also
References
^
Issues in Nuclear, High Energy, Plasma, Particle, and Condensed Matter Physics: 2011 Edition .
ScholarlyEditions . 2012. p. 606.
ISBN
978-1-4649-6365-0 . Retrieved 23 June 2020 .
^
Hadron Spectroscopy .
American Institute of Physics . 2003. p. 470.
ISBN
978-0-7354-0197-6 . Retrieved 23 June 2020 .
^ Bijker, Roelof; Casten, R.; Frank, Alejandro (2004).
Nuclear Physics, Large and Small: International Conference on Microscopic Studies of Collective Phenomena .
American Institute of Physics . p. 244.
ISBN
978-0-7354-0207-2 . Retrieved 23 June 2020 .
^ Hosaka, Atsushi; Hotta, Tomoaki (2005).
Pentaquark04 - Proceedings Of The International Workshop .
World Scientific . p. 393.
ISBN
978-981-4480-35-2 . Retrieved 23 June 2020 .
^ Nuñez V., M.; Lerma H., S.; Hess, P. O.; Jesgarz, S.; Civitarese, O.; Reboiro, M. (23 August 2004). "Modeling pentaquark and heptaquark states".
Physical Review C . 70 (2): 025201.
arXiv :
nucl-th/0405052 .
Bibcode :
2004PhRvC..70b5201N .
doi :
10.1103/PhysRevC.70.025201 .
S2CID
119393500 .
^ Park, Aaron; Park, Woosung; Lee, Su Houng (30 August 2017). "Heptaquarks with two heavy antiquarks in a simple chromomagnetic model".
Physical Review D . 96 (3): 034029.
arXiv :
1706.10025 .
Bibcode :
2017PhRvD..96c4029P .
doi :
10.1103/PhysRevD.96.034029 .
ISSN
2470-0010 .
S2CID
119445036 .