Table of Contents Author Guidelines Submit a Manuscript
Advances in High Energy Physics
Volume 2018, Article ID 9150617, 14 pages
https://doi.org/10.1155/2018/9150617
Research Article

Exclusion Limits on a Scalar Decaying to Photons and Distinguishing Its Production Mechanisms

Department of Physics and Astronomy, Uppsala University, Box 516, 751 20 Uppsala, Sweden

Correspondence should be addressed to Tanumoy Mandal; es.uu.scisyhp@ladnam.yomunat

Received 7 July 2017; Revised 21 November 2017; Accepted 11 December 2017; Published 9 January 2018

Academic Editor: Luca Stanco

Copyright © 2018 Tanumoy Mandal. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.

Linked References

  1. M. Aaboud, G. Aad, B. Abbott et al., “Search for resonances in diphoton events at TeV with the ATLAS detector,” High Energy Physics, vol. 1609, 2016. View at Publisher · View at Google Scholar
  2. V. Khachatryan et al., “Search for resonant production of high-mass photon pairs in proton-proton collisions at and 13 TeV,” Physical Review Letters, vol. 117, no. 5, 2016. View at Publisher · View at Google Scholar
  3. A. Strumia, “Interpreting the 750 GeV digamma excess: a review,” High Energy Physics - Phenomenology, 2016, https://arxiv.org/abs/1605.09401.
  4. G. Aad et al., “Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at TeV with the ATLAS detector,” Journal of High Energy Physics, vol. 1512, no. 055, 2015. View at Publisher · View at Google Scholar
  5. G. Aad et al., “Search for resonant diboson production in the final state in pp collisions at TeV with the ATLAS detector,” The European Physical Journal C, vol. 75, p. 69, 2015. View at Google Scholar
  6. G. Aad et al., “Search for production of resonances decaying to a lepton, neutrino and jets in collisions at TeV with the ATLAS detector,” The European Physical Journal C, vol. 75, no. 5, p. 209, 2015, Erratum: [The European Physical Journal C vol. 75, pp. 370, 2015]. View at Google Scholar
  7. G. Aad et al., “Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC,” Physics Letters B, vol. 716, pp. 1–29, 2012. View at Publisher · View at Google Scholar
  8. S. Chatrchyan et al., “Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC,” Physics Letters B, vol. 716, p. 30, 2012. View at Publisher · View at Google Scholar
  9. L. D. Landau, “On the angular momentum of a system of two photons,” Doklady Akademii Nauk Seriya Fizicheskaya, vol. 60, no. 2, pp. 207–209, 1948. View at Publisher · View at Google Scholar
  10. C. N. Yang, “Selection rules for the dematerialization of a particle into two photons,” Physical Review A, vol. 77, no. 2, pp. 242–245, 1950. View at Publisher · View at Google Scholar
  11. N. Arkani-Hamed, S. Dimopoulos, and G. Dvali, “The hierarchy problem and new dimensions at a millimeter,” Physics Letters B, vol. 429, no. 3-4, pp. 263–272, 1998. View at Publisher · View at Google Scholar
  12. L. Randall and R. Sundrum, “Large mass hierarchy from a small extra dimension,” Physical Review Letters, vol. 83, no. 17, pp. 3370–3373, 1999. View at Publisher · View at Google Scholar · View at MathSciNet · View at Scopus
  13. M. Aaboud et al., “Search for new phenomena in dijet events using 37  fb−1 of collision data collected at   TeV with the ATLAS detector,” Physical Review D, vol. 96, no. 5, Article ID 052004, 2017. View at Publisher · View at Google Scholar
  14. CMS Collaboration, “Searches for dijet resonances in pp collisions at TeV using data collected in 2016,” CMS-PAS-EXO-16-056.
  15. C. Csáki, J. Hubisz, S. Lombardo, and J. Terning, “Gluon versus photon production of a 750 GeV diphoton resonance,” Physical Review D, vol. 93, no. 9, 2016. View at Publisher · View at Google Scholar
  16. L. A. Harland-Lang, V. A. Khoze, and M. G. Ryskin, “The production of a diphoton resonance via photon-photon fusion,” Journal of High Energy Physics, vol. 1603, no. 182, 2016. View at Publisher · View at Google Scholar
  17. M. A. Ebert, S. Liebler, I. Moult et al., “Exploiting jet binning to identify the initial state of high-mass resonances,” Physical Review D, vol. 94, no. 5, 2016. View at Publisher · View at Google Scholar
  18. M. Dalchenko, B. Dutta, Y. Gao, T. Ghosh, and T. Kamon, “Exploring the jet multiplicity in the 750 GeV diphoton excess,” Physics Letters B, vol. 761, pp. 77–80, 2016. View at Publisher · View at Google Scholar
  19. B. Fuks, D. W. Kang, S. C. Park, and M. Seo, “Investigating the jet activity accompanying the production at the LHC of a massive scalar particle decaying into photons,” Physics Letters B, vol. 761, pp. 344–349, 2016. View at Publisher · View at Google Scholar
  20. A. Alloul, N. D. Christensen, C. Degrande, C. Duhr, and B. Fuks, “FeynRules 2.0 - A complete toolbox for tree-level phenomenology,” Computer Physics Communications, vol. 185, no. 8, pp. 2250–2300, 2014. View at Publisher · View at Google Scholar
  21. C. Degrande, C. Duhr, B. Fuks, D. Grellscheid, O. Mattelaer, and T. Reiter, “UFO—the universal FeynRules output,” Computer Physics Communications, vol. 183, no. 6, pp. 1201–1214, 2012. View at Publisher · View at Google Scholar · View at Scopus
  22. J. Alwall, R. Frederix, S. Frixione et al., “The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations,” Journal of High Energy Physics, vol. 1407, no. 079, 2014. View at Publisher · View at Google Scholar
  23. L. A. Harland-Lang, A. D. Martin, P. Motylinski, and R. S. Thorne, “Parton distributions in the LHC era: MMHT 2014 PDFs,” The European Physical Journal C, vol. 75, no. 5, p. 204, 2015. View at Publisher · View at Google Scholar
  24. L. A. Harland-Lang, V. A. Khoze, and M. G. Ryskin, “The photon PDF in events with rapidity gaps,” The European Physical Journal C, vol. 76, no. 5, p. 255, 2016. View at Publisher · View at Google Scholar
  25. T. Sjostrand, S. Mrenna, and P. Z. Skands, “A brief introduction to PYTHIA 8.1,” Computer Physics Communications, vol. 178, no. 11, pp. 852–867, 2008. View at Publisher · View at Google Scholar
  26. J. de Favereau et al., “DELPHES 3: a modular framework for fast simulation of a generic collider experiment,” Journal of High Energy Physics, vol. 1402, no. 057, 2014. View at Publisher · View at Google Scholar
  27. M. Cacciari, G. P. Salam, and G. Soyez, “FastJet user manual,” The European Physical Journal C, vol. 72, no. 3, article 1896, pp. 1–54, 2012. View at Publisher · View at Google Scholar · View at Scopus
  28. M. Cacciari, G. P. Salam, and G. Soyez, “The Anti-k(t) jet clustering algorithm,” Journal of High Energy Physics, vol. 0804, 2008. View at Publisher · View at Google Scholar
  29. L. Bartoszek et al., “Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at TeV with the ATLAS detector,” Physics Letters B, vol. 775, pp. 105–125, 2014. View at Publisher · View at Google Scholar
  30. A. Hoecker, P. Speckmayer, J. Stelzer et al., “TMVA - Toolkit for Multivariate Data Analysis,” PoS ACAT, vol. 040, 2007, https://arxiv.org/abs/physics/0703039.
  31. U. Danielsson, R. Enberg, G. Ingelman, and T. Mandal, “Heavy photophilic scalar at the LHC from a varying electromagnetic coupling,” Nuclear Physics B, vol. 919, pp. 569–582, 2017. View at Publisher · View at Google Scholar
  32. M. L. Mangano, M. Moretti, F. Piccinini, and M. Treccani, “Matching matrix elements and shower evolution for top-pair production in hadronic collisions,” Journal of High Energy Physics, vol. 701, no. 013, 2007. View at Publisher · View at Google Scholar · View at Scopus
  33. V. Khachatryan, A. M. Sirunyan, A. Tumasyan et al., “Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search,” Physics Letters B, vol. 767, no. 1, article 147, 2017. View at Publisher · View at Google Scholar
  34. A. Kruse, A. S. Cornell, M. Kumar, B. Mellado, and X. Ruan, “Probing the Higgs boson via vector boson fusion with single jet tagging at the LHC,” Physical Review D, vol. 91, no. 5, Article ID 053009, 2015. View at Publisher · View at Google Scholar
  35. D. de Florian, C. Grojean, F. Maltoni et al., “Handbook of LHC higgs cross sections: 4. deciphering the nature of the higgs sector,” LHC Higgs Cross Section Working Group, p. 868, 2016, https://arxiv.org/abs/1610.07922. View at Publisher · View at Google Scholar
  36. C. Balazs, H. J. He, and C. P. Yuan, “QCD corrections to scalar production via heavy quark fusion at hadron colliders,” Physical Review D, vol. 60, Article ID 114001, 1999. View at Publisher · View at Google Scholar
  37. K. Arnold, M. Bahr, G. Bozzi et al., “VBFNLO: A parton level Monte Carlo for processes with electroweak bosons,” Computer Physics Communications, vol. 180, pp. 1661–1670, 2009. View at Publisher · View at Google Scholar