Exploring peaks and valleys in the diphoton spectrum

Nathaniel Craig, Sophie Renner, and Dave Sutherland
Phys. Rev. D 94, 075011 – Published 20 October 2016

Abstract

We investigate the effects of resonance-continuum interference on the diphoton spectrum in the presence of a new spin-0 or spin-2 state produced via gluons or quarks and decaying to pairs of photons. Interference effects can significantly influence the extraction of resonance masses and widths from the diphoton spectrum, particularly in the case of a spin-2 resonance produced via quarks. We illustrate these effects via a binned likelihood analysis of LHC diphoton data at both 8 and 13 TeV.

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  • Received 28 July 2016

DOI:https://doi.org/10.1103/PhysRevD.94.075011

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Nathaniel Craig1,4, Sophie Renner2,4, and Dave Sutherland3,4

  • 1Department of Physics, University of California, Santa Barbara, California 93106, USA
  • 2DAMTP, University of Cambridge, Cambridge CB3 0WA, United Kingdom
  • 3Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom
  • 4KITP, University of California, Santa Barbara, California 93106, USA

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Issue

Vol. 94, Iss. 7 — 1 October 2016

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