期刊
PHYSICAL REVIEW D
卷 102, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.102.011501
关键词
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资金
- SupercomputingWales project
- European Regional Development Fund (ERDF) via Welsh Government
- STFC [ST/P00055X/1, ST/L000369/1]
- College of Science, Swansea University
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - the Ministry of Education [NRF-2017R1D1A1B06033701]
- National Research Foundation of Korea - Korea government (MSIT) [NRF2018R1C1B3001379]
- Korea Research Fellowship programme - Ministry of Science, ICT and Future Planning through the National Research Foundation of Korea [2016H1D3A1909283]
- Taiwanese MoST Grant [105-2628-M-009-003-MY4]
- European Research Council (ERC) under the European Union [813942]
- Royal Society [WM170010]
- INFN HPC-HTC project
- BEIS capital funding via STFC capital Grants [ST/P002307/1, ST/R002452/1]
- BEIS capital funding via STFC operations Grant [ST/R00689X/1]
- [STFC-DTGST/R505158/1]
- National Research Foundation of Korea [2016H1D3A1909283] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- STFC [ST/M006530/1, ST/L000636/1, ST/T001348/1, ST/P003400/1, ST/V002376/1, ST/M007073/1, ST/S003916/1, ST/R001006/1, ST/P00055X/1, ST/S003762/1, ST/M007006/1, ST/M007065/1, ST/L000369/1, ST/T001372/1, ST/R00689X/1, ST/K00333X/1, ST/R000832/1, ST/T00049X/1, ST/M007618/1, ST/R001049/1, ST/J005673/1, ST/R002452/1, ST/P002307/1, ST/P000673/1, ST/P002447/1] Funding Source: UKRI
We report the masses of the lightest spin-0 and spin-2 glueballs obtained in an extensive lattice study of the continuum and infinite volume limits of Sp(N-c) gauge theories for N-c = 2, 4, 6, 8. We also extrapolate the combined results toward the large-N-c limit. We compute the ratio of scalar and tensor masses, and observe evidence that this ratio is independent of N-c. Other lattice studies of Yang-Mills theories at the same space-time dimension provide a compatible ratio. We further compare these results to various analytical ones and discuss them in view of symmetry-based arguments related to the breaking of scale invariance in the underlying dynamics, showing that a constant ratio might emerge in a scenario in which the 0(++) glueball is interpreted as a dilaton state.
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