Hybrid quarkonia with dynamical sea quarks
Physical Review D Volume 64
Page 097505-
published_at 2001
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| File | |
| Title ( eng ) |
Hybrid quarkonia with dynamical sea quarks
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| Creator |
Manke T
Ali Khan A
Aoki S
Burkhalter R
Ejiri S
Fukugita M
Hashimoto S
Ishizuka N
Iwasaki Y
Kanaya K
Kaneko T
Kuramashi Y
Nagai K
Shanahan H. P.
Ukawa A
Yoshié T
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| Source Title |
Physical Review D
|
| Volume | 64 |
| Start Page | 097505 |
| Abstract |
We present a dynamical lattice calculation with two flavors for bottomonium states with an additional gluonic excitation. Using improved actions for the quarks and gauge fields at a lattice spacing of a≈0.1 fm, we find 10.977(61)(62) GeV for the energy of the lowest lying bb̅g hybrid, where the first error is statistical and the second denotes the systematic uncertainty due to the determination of scale. In a parallel quenched simulation we demonstrate explicitly that vacuum polarization effects are less than 100f the splitting with the ground state.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 2001 |
| Rights |
Copyright (c) 2001 The American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1550-7998
[DOI] http://dx.doi.org/10.1103/PhysRevD.64.097505
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