Abstract
The feasibility for the observation of a certain leptonic Kaluza-Klein (KK) hard process in pp interactions at the LHC is presented. Within the S 1 /Z 2 TeV−1 extra dimensional theoretical framework with the focus on the KK excitations of the Standard Model γ and Z 0 gauge bosons, the hard-process, \( f \bar{f} \to \sum\nolimits_n {{{\left( {{{{\gamma^{*}}} \left/ {{Z^{*}}} \right.}} \right)}_n}} \to F \bar{F} \), has been used where f is the initial state parton, F the final state lepton and (γ*/Z *) n is the n th KK excitation of the γ/Z 0 boson. For this study the analytic form for the hard process cross section has been independently calculated by the authors and has been implemented using the Moses framework. The Moses framework itself, that has been written by the authors, was used as an external process within the Pythia8 Monte Carlo generator which provides the phase space generation for the final state leptons and partons from the initial state hadrons, and the simulation of initial and final state radiation and hadronization. A brief discussion of the possibility for observing and identifying the unique signature of the KK signal given the current LHC program is also presented.
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References
N. Arkani-Hamed, S. Dimopoulos and G.R. Dvali, The hierarchy problem and new dimensions at a millimeter, Phys. Lett. B 429 (1998) 263 [hep-ph/9803315] [SPIRES].
N. Arkani-Hamed, S. Dimopoulos and G.R. Dvali, Phenomenology, astrophysics and cosmology of theories with sub-millimeter dimensions and TeV scale quantum gravity, Phys. Rev. D 59 (1999) 086004 [hep-ph/9807344] [SPIRES].
I. Antoniadis, A Possible new dimension at a few TeV , Phys. Lett. B 246 (1990) 377 [SPIRES].
L. Randall and R. Sundrum, A large mass hierarchy from a small extra dimension, Phys. Rev. Lett. 83 (1999) 3370 [hep-ph/9905221] [SPIRES].
L. Randall and M.D. Schwartz, Unification and the hierarchy from AdS5, Phys. Rev. Lett. 88 (2002) 081801 [hep-th/0108115] [SPIRES].
L. Randall and M.D. Schwartz, Quantum field theory and unification in AdS5, JHEP 11 (2001) 003 [hep-th/0108114] [SPIRES].
K.R. Dienes, E. Dudas and T. Gherghetta, Extra spacetime dimensions and unification, Phys. Lett. B 436 (1998) 55 [hep-ph/9803466] [SPIRES].
K.R. Dienes, E. Dudas and T. Gherghetta, Grand unification at intermediate mass scales through extra dimensions, Nucl. Phys. B 537 (1999) 47 [hep-ph/9806292] [SPIRES].
I. Antoniadis, Physics of extra dimensions, J. Phys.: Conf Ser. 33 (2006) 170.
A. Pomarol and M. Quirós, The standard model from extra dimensions, Phys. Lett. B 438 (1998) 255 [hep-ph/9806263] [SPIRES].
M. Masip and A. Pomarol, Effects of SM Kaluza-Klein excitations on electroweak observables, Phys. Rev. D 60 (1999) 096005 [hep-ph/9902467] [SPIRES].
I. Antoniadis, K. Benakli and M. Quirós, Direct collider signatures of large extra dimensions, Phys. Lett. B 460 (1999) 176 [hep-ph/9905311] [SPIRES].
N. Arkani-Hamed and M. Schmaltz, Hierarchies without symmetries from extra dimensions, Phys. Rev. D 61 (2000) 033005 [hep-ph/9903417] [SPIRES].
L. Evans, (ed. ) and P. Bryant, (ed. ), LHC machine, 2008 JINST 3 S08001 [SPIRES].
A. Leike, The phenomenology of extra neutral gauge bosons, Phys. Rept. 317 (1999) 143 [hep-ph/9805494] [SPIRES].
T.G. Rizzo, Testing the nature of Kaluza-Klein excitations at future lepton colliders, Phys. Rev. D 61 (2000) 055005 [hep-ph/9909232] [SPIRES].
T.G. Rizzo, Indirect searches for Z′-like resonances at the LHC, JHEP 08 (2009) 082 [arXiv:0904.2534] [SPIRES].
G. Bella, E. Etzion, N. Hod and M. Sutton, Introduction to the MCnet Moses project and heavy gauge bosons search at the LHC, arXiv:1004.1649 [SPIRES].
T. Sjöstrand, S. Mrenna and P.Z. Skands, A brief introduction to PYTHIA 8.1, Comput. Phys. Commun. 178 (2008) 852 [arXiv:0710.3820] [SPIRES].
F. Del Aguila, The physics of z-prime bosons, Acta Phys. Polon. B 25 (1994) 1317 [hep-ph/9404323] [SPIRES].
G. Azuelos and G. Polesello, Prospects for the detection of Kaluza-Klein excitations of gauge bosons in the ATLAS detector at the LHC, Eur. Phys. J. C 39 (2004) S1.
E. Richter-Was, D. Froidevaux and L. Poggioli, ATLFAST: 1.0: a package for particle-level analysis, ATL-PHYS-96-079 (1996).
E. Richter-Was, D. Froidevaux and L. Poggioli, ATLFAST 2.0 a fast simulation package for ATLA S, ATL-PHYS-98-131 (1998).
ATLAS collaboration, G. Aad et al., The ATLAS experiment at the CERN Large Hadron Collider, 2008 JINST 3 S08003 [SPIRES].
M. Dittmar, A.-S. Nicollerat and A. Djouadi, Z′ studies at the LHC: an update, Phys. Lett. B 583 (2004) 111 [hep-ph/0307020] [SPIRES].
D. Bardin et al., Z line shape, CERN-TH-5468-89 (1989).
T.G. Rizzo, Pedagogical introduction to extra dimensions, SLAC-PUB-10753 (2004).
T.G. Rizzo, Pedagogical introduction to extra dimensions, hep-ph/0409309 [SSI-2004-L013] [SPIRES].
K.-m. Cheung and G.L. Landsberg, Kaluza-Klein states of the standard model gauge bosons: constraints from high energy experiments, Phys. Rev. D 65 (2002) 076003 [hep-ph/0110346] [SPIRES].
J. Hewett and M. Spiropulu, Particle physics probes of extra spacetime dimensions, Annu. Rev. Nucl. Part. Phys. 22 (2002) 397 [hep-ph/0205106] [SPIRES].
Particle Data Group collaboration, C. Amsler et al., Review of particle physics, Phys. Lett. B 667 (2008) 1 [SPIRES].
E. Yurkovsky, Prospects for Kaluza-Klein excitations search in the di-lepton channel at the LHC, CERN-THESIS-2010-036 (2010).
F. Petriello and S. Quackenbush, Measuring Z′ couplings at the CERN LHC, Phys. Rev. D 77 (2008) 115004 [arXiv:0801.4389] [SPIRES].
T.G. Rizzo, Z′ phenomenology and the LHC, hep-ph/0610104 [SPIRES].
J.C. Collins and D.E. Soper, Angular distribution of dileptons in high-energy hadron collisions, Phys. Rev. D 16 (1977) 2219 [SPIRES].
A.D. Martin, R.G. Roberts, W.J. Stirling and R.S. Thorne, MRST 2001: partons and α s from precise deep inelastic scattering and Tevatron jet data, Eur. Phys. J. C 23 (2002) 73 [hep-ph/0110215] [SPIRES].
A.D. Martin, R.G. Roberts, W.J. Stirling and R.S. Thorne, NNLO global parton analysis, Phys. Lett. B 531 (2002) 216 [hep-ph/0201127] [SPIRES].
ATLAS collaboration, Expected performance of the ATLAS experiment, detector, trigger and physics, CERN-OPEN-2008-020 (2010).
S. Lacaprara, The CMS muon system: physics performance, Eur. Phys. J. C 34 (2004) s75.
T. Sjöstrand, private communication.
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Bella, G., Etzion, E., Hod, N. et al. A search for heavy Kaluza-Klein electroweak gauge bosons at the LHC. J. High Energ. Phys. 2010, 25 (2010). https://doi.org/10.1007/JHEP09(2010)025
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DOI: https://doi.org/10.1007/JHEP09(2010)025