Abstract
Leptoquarks in the mass range of 500-1000 GeV can be resonantly produced in significant numbers by PeV neutrino interacting with nuclei at IceCube. We compute the event rates of leptoquark production and decay events and use the 3-year IceCube data for PeV energy events to find the allowed range of the leptoquarks mass and coupling parameter space. We use a low-scale quark lepton unification model based on the SU(4) C ⊗ SU(2) L ⊗ U(1) R gauge group where leptoquark couplings which give rise to proton decay are forbidden by the symmetry. We constrain the parameters of this model and point out signals of leptoquarks in this model which may be seen in PeV energy IceCube events in the future.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
W. Buchmüller, R. Ruckl and D. Wyler, Leptoquarks in Lepton - Quark Collisions, Phys. Lett. B 191 (1987) 442 [Erratum ibid. B 448 (1999) 320] [INSPIRE].
A. Belyaev, C. Leroy, R. Mehdiyev and A. Pukhov, Leptoquark single and pair production at LHC with CalcHEP/CompHEP in the complete model, JHEP 09 (2005) 005 [hep-ph/0502067] [INSPIRE].
I. Dorsner and P. Fileviez Perez, Unification without supersymmetry: neutrino mass, proton decay and light leptoquarks, Nucl. Phys. B 723 (2005) 53 [hep-ph/0504276] [INSPIRE].
P. Fileviez Perez and M.B. Wise, Low Scale Quark-Lepton Unification, Phys. Rev. D 88 (2013) 057703 [arXiv:1307.6213] [INSPIRE].
J.M. Arnold, B. Fornal and M.B. Wise, Phenomenology of scalar leptoquarks, Phys. Rev. D 88 (2013) 035009 [arXiv:1304.6119] [INSPIRE].
G. Valencia and S. Willenbrock, Quark-lepton unification and rare meson decays, Phys. Rev. D 50 (1994) 6843 [hep-ph/9409201] [INSPIRE].
A.D. Smirnov, Mass limits for scalar and gauge leptoquarks from K 0 L → e ∓ μ ± , B 0 → e ∓ τ ± decays, Mod. Phys. Lett. A 22 (2007) 2353 [arXiv:0705.0308] [INSPIRE].
J.L. Hewett and S. Pakvasa, Leptoquark Production in Hadron Colliders, Phys. Rev. D 37 (1988) 3165 [INSPIRE].
J.L. Hewett and S. Pakvasa, Single leptoquark production at TeV e + e − colliders, Phys. Lett. B 227 (1989) 178 [INSPIRE].
M. Leurer, A Comprehensive study of leptoquark bounds, Phys. Rev. D 49 (1994) 333 [hep-ph/9309266] [INSPIRE].
J. Ohnemus, S. Rudaz, T.F. Walsh and P.M. Zerwas, Single leptoquark production at hadron colliders, Phys. Lett. B 334 (1994) 203 [hep-ph/9406235] [INSPIRE].
D. Choudhury, Leptoquark search at e + e − colliders, Phys. Lett. B 346 (1995) 291 [hep-ph/9408250] [INSPIRE].
J.L. Hewett and T.G. Rizzo, Much ado about leptoquarks: A Comprehensive analysis, Phys. Rev. D 56 (1997) 5709 [hep-ph/9703337] [INSPIRE].
S. Abdullin and F. Charles, Study of leptoquark pair production at the LHC with the CMS detector, Phys. Lett. B 464 (1999) 223 [hep-ph/9905396] [INSPIRE].
M. Krämer, T. Plehn, M. Spira and P.M. Zerwas, Pair production of scalar leptoquarks at the CERN LHC, Phys. Rev. D 71 (2005) 057503 [hep-ph/0411038] [INSPIRE].
I. Alikhanov, Single vector leptoquark production at hadron colliders due to direct lepton-gluon interaction, Phys. Lett. B 717 (2012) 425 [arXiv:1203.3631] [INSPIRE].
I. Dorsner, S. Fajfer and A. Greljo, Cornering Scalar Leptoquarks at LHC, JHEP 10 (2014) 154 [arXiv:1406.4831] [INSPIRE].
T. Mandal, S. Mitra and S. Seth, Single Productions of Colored Particles at the LHC: An Example with Scalar Leptoquarks, JHEP 07 (2015) 028 [arXiv:1503.04689] [INSPIRE].
J.L. Evans and N. Nagata, Signatures of Leptoquarks at the LHC and Right-handed Neutrinos, Phys. Rev. D 92 (2015) 015022 [arXiv:1505.00513] [INSPIRE].
CMS Collaboration, Search for Pair-production of First Generation Scalar Leptoquarks in pp Collisions at sqrt s = 8 TeV, CMS-PAS-EXO-12-041.
CMS Collaboration, Search for Pair-production of Second generation Leptoquarks in 8 TeV proton-proton collisions., CMS-PAS-EXO-12-042.
CMS collaboration, Search for pair production of third-generation scalar leptoquarks and top squarks in proton-proton collisions at \( \sqrt{s} \) = 8 TeV, Phys. Lett. B 739 (2014) 229 [arXiv:1408.0806] [INSPIRE].
CMS Collaboration, Search for physics beyond the standard model in events with two opposite-sign same-flavor leptons, jets and missing transverse energy in pp collisions at sqrt[s] = 8 TeV, CMS-PAS-SUS-12-019.
F.S. Queiroz, K. Sinha and A. Strumia, Leptoquarks, Dark Matter and Anomalous LHC Events, Phys. Rev. D 91 (2015) 035006 [arXiv:1409.6301] [INSPIRE].
B. Allanach, A. Alves, F.S. Queiroz, K. Sinha and A. Strumia, Interpreting the CMS Excess with a Leptoquark Model, Phys. Rev. D 92 (2015) 055023 [arXiv:1501.03494] [INSPIRE].
L.A. Anchordoqui, C.A. Garcia Canal, H. Goldberg, D.G. Dumm and F. Halzen, Probing leptoquark production at IceCube, Phys. Rev. D 74 (2006) 125021 [hep-ph/0609214] [INSPIRE].
IceCube collaboration, M.G. Aartsen et al., Observation of High-Energy Astrophysical Neutrinos in Three Years of IceCube Data, Phys. Rev. Lett. 113 (2014) 101101 [arXiv:1405.5303] [INSPIRE].
V. Barger and W.-Y. Keung, Superheavy Particle Origin of IceCube PeV Neutrino Events, Phys. Lett. B 727 (2013) 190 [arXiv:1305.6907] [INSPIRE].
B. Dutta, Y. Gao, T. Li, C. Rott and L.E. Strigari, Leptoquark implication from the CMS and IceCube experiments, Phys. Rev. D 91 (2015) 125015 [arXiv:1505.00028] [INSPIRE].
IceCube collaboration, M.G. Aartsen et al., Flavor Ratio of Astrophysical Neutrinos above 35 TeV in IceCube, Phys. Rev. Lett. 114 (2015) 171102 [arXiv:1502.03376] [INSPIRE].
CMS collaboration, Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at \( \sqrt{s} \) = 8 TeV, Phys. Rev. D 91 (2015) 052009 [arXiv:1501.04198] [INSPIRE].
CMS collaboration, Search for Resonances Decaying to Dijet Final States at \( \sqrt{s} \) = 8 TeV with Scouting Data (2015).
G. Hiller and M. Schmaltz, R K and future b → sℓℓ physics beyond the standard model opportunities, Phys. Rev. D 90 (2014) 054014 [arXiv:1408.1627] [INSPIRE].
I. de Medeiros Varzielas and G. Hiller, Clues for flavor from rare lepton and quark decays, JHEP 06 (2015) 072 [arXiv:1503.01084] [INSPIRE].
M.A. Doncheski and R.W. Robinett, Leptoquark production in ultrahigh-energy neutrino interactions revisited, Phys. Rev. D 56 (1997) 7412 [hep-ph/9707328] [INSPIRE].
I. Alikhanov, Do leptoquarks manifest themselves in ultra-high energy neutrino interactions?, JHEP 07 (2013) 093 [arXiv:1305.2905] [INSPIRE].
J. Pumplin, D.R. Stump, J. Huston, H.L. Lai, P.M. Nadolsky and W.K. Tung, New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [hep-ph/0201195] [INSPIRE].
J.G. Learned and S. Pakvasa, Detecting tau-neutrino oscillations at PeV energies, Astropart. Phys. 3 (1995) 267 [hep-ph/9405296] [INSPIRE].
J.F. Beacom, N.F. Bell, D. Hooper, S. Pakvasa and T.J. Weiler, Measuring flavor ratios of high-energy astrophysical neutrinos, Phys. Rev. D 68 (2003) 093005 [Erratum ibid. D 72 (2005) 019901] [hep-ph/0307025] [INSPIRE].
Open Access
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Author information
Authors and Affiliations
Corresponding author
Additional information
ArXiv ePrint: 1505.01037
Rights and permissions
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
About this article
Cite this article
Dey, U.K., Mohanty, S. Constraints on leptoquark models from IceCube data. J. High Energ. Phys. 2016, 187 (2016). https://doi.org/10.1007/JHEP04(2016)187
Received:
Revised:
Accepted:
Published:
DOI: https://doi.org/10.1007/JHEP04(2016)187