Sea quark effects on quarkonia

Manke, T , Khan, A A , Aoki, S , Burkhalter, R , Ejiri, S , Fukugita, M , Hashimoto, S , Ishizuka, N , Iwasaki, Y , Kanaya, K , Kaneko, T , Kuramashi, Y , Nagai, K , Okawa, M , Shanahan, H P , Ukawa, A and Yoshie, T

(2000)

Manke, T , Khan, A A , Aoki, S , Burkhalter, R , Ejiri, S , Fukugita, M , Hashimoto, S , Ishizuka, N , Iwasaki, Y , Kanaya, K , Kaneko, T , Kuramashi, Y , Nagai, K , Okawa, M , Shanahan, H P , Ukawa, A and Yoshie, T (2000) Sea quark effects on quarkonia. Physical Review D , 6211 (11).

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Abstract

We study the effects of two dynamical sea quarks on the spectrum of heavy quarkonia. Within the non-relativistic approach to lattice QCD we find sizable changes to the hyperfine splitting, but we do not observe any changes for the fine structure. We also investigate the scaling behavior of our results for several different lattice spacings.

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This is a Submitted version
This version's date is: 1/12/2000
This item is not peer reviewed

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https://repository.royalholloway.ac.uk/items/6aeced27-065a-a026-102c-aab1780111b2/7/

Item TypeJournal Article
TitleSea quark effects on quarkonia
AuthorsManke, T
Khan, A A
Aoki, S
Burkhalter, R
Ejiri, S
Fukugita, M
Hashimoto, S
Ishizuka, N
Iwasaki, Y
Kanaya, K
Kaneko, T
Kuramashi, Y
Nagai, K
Okawa, M
Shanahan, H P
Ukawa, A
Yoshie, T
Uncontrolled KeywordsNONRELATIVISTIC LATTICE QCD, SPIN-DEPENDENT FORCES, Y-SPECTRUM, UPSILON-SPECTROSCOPY, WILSON FERMIONS, IMPROVED GLUON, FULL QCD, CP-PACS, ALPHA(S), SYMMETRY
DepartmentsFaculty of Science\Computer Science

Identifiers
doihttp://dx.doi.org/10.1103/PhysRevD.62.114508

Deposited by Research Information System (atira) on 18-Nov-2014 in Royal Holloway Research Online.Last modified on 18-Nov-2014

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