Diphoton excess at 750 GeV: gluon–gluon fusion or quark–antiquark annihilation?
Journal Article
·
· European Physical Journal. C, Particles and Fields
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Univ. of California, Santa Barbara, CA (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Recently, ATLAS and CMS collaborations reported an excess in the measurement of diphoton events, which can be explained by a new resonance with a mass around 750 GeV. In this work, we explored the possibility of identifying if the hypothetical new resonance is produced through gluon–gluon fusion or quark–antiquark annihilation, or tagging the beam. Three different observables for beam tagging, namely the rapidity and transverse-momentum distribution of the diphoton, and one tagged bottom-jet cross section, are proposed. Combining the information gained from these observables, a clear distinction of the production mechanism for the diphoton resonance is promising.
- Research Organization:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Univ. of California, Santa Barbara, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0011090; SC0011702; AC02-06CH11357
- OSTI ID:
- 1557587
- Journal Information:
- European Physical Journal. C, Particles and Fields, Vol. 76, Issue 6; ISSN 1434-6044
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 12 works
Citation information provided by
Web of Science
Web of Science
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