Abstract
Many models of Beyond the Standard Model physics contain particles that are charged under both Standard Model and Hidden Valley gauge groups, yet very little effort has been put into establishing their experimental signatures. We provide a general overview of the collider phenomenology of spin 0 or 1/2 mediators with non-trivial gauge numbers under both the Standard Model and a single new confining group. Due to the possibility of many unconventional signatures, the focus is on direct production with semivisible jets. For the mediators to be able to decay, a global U(1) symmetry must be broken. This is best done by introducing a set of operators explicitly violating this symmetry. We find that there is only a finite number of such renormalizable operators and that the phenomenology can be classified into five distinct categories. We show that large regions of the parameter space are already excluded, while others are unconstrained by current search strategies. We also discuss how searches could be modified to better probe these unconstrained regions by exploiting special properties of semivisible jets.
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M.J. Strassler and K.M. Zurek, Echoes of a hidden valley at hadron colliders, Phys. Lett. B 651 (2007) 374 [hep-ph/0604261] [INSPIRE].
M.J. Strassler and K.M. Zurek, Discovering the Higgs through highly-displaced vertices, Phys. Lett. B 661 (2008) 263 [hep-ph/0605193] [INSPIRE].
R. Harnik and T. Wizansky, Signals of new physics in the underlying event, Phys. Rev. D 80 (2009) 075015 [arXiv:0810.3948] [INSPIRE].
T. Han, Z. Si, K.M. Zurek and M.J. Strassler, Phenomenology of hidden valleys at hadron colliders, JHEP 07 (2008) 008 [arXiv:0712.2041] [INSPIRE].
M.J. Strassler, On the phenomenology of hidden valleys with heavy flavor, arXiv:0806.2385 [INSPIRE].
M. Baumgart, C. Cheung, J.T. Ruderman, L.-T. Wang and I. Yavin, Non-Abelian dark sectors and their collider signatures, JHEP 04 (2009) 014 [arXiv:0901.0283] [INSPIRE].
M.S. Seth, A first study of hidden valley models at the LHC, Ph.D. thesis, Lund Observ., Lund, Sweden, (2011) [arXiv:1106.2064] [INSPIRE].
Y.F. Chan, M. Low, D.E. Morrissey and A.P. Spray, LHC signatures of a minimal supersymmetric hidden valley, JHEP 05 (2012) 155 [arXiv:1112.2705] [INSPIRE].
A. Pierce, B. Shakya, Y. Tsai and Y. Zhao, Searching for confining hidden valleys at LHCb, ATLAS and CMS, Phys. Rev. D 97 (2018) 095033 [arXiv:1708.05389] [INSPIRE].
Z. Chacko, H.-S. Goh and R. Harnik, The twin Higgs: natural electroweak breaking from mirror symmetry, Phys. Rev. Lett. 96 (2006) 231802 [hep-ph/0506256] [INSPIRE].
H.-C. Cheng, E. Salvioni and Y. Tsai, Exotic electroweak signals in the twin Higgs model, Phys. Rev. D 95 (2017) 115035 [arXiv:1612.03176] [INSPIRE].
G. Burdman, Z. Chacko, H.-S. Goh and R. Harnik, Folded supersymmetry and the LEP paradox, JHEP 02 (2007) 009 [hep-ph/0609152] [INSPIRE].
P.W. Graham, D.E. Kaplan and S. Rajendran, Cosmological relaxation of the electroweak scale, Phys. Rev. Lett. 115 (2015) 221801 [arXiv:1504.07551] [INSPIRE].
J.M. Cline, Z. Liu, G. Moore and W. Xue, Composite strongly interacting dark matter, Phys. Rev. D 90 (2014) 015023 [arXiv:1312.3325] [INSPIRE].
R. Lewis, Dark matter on the lattice, AIP Conf. Proc. 1701 (2016) 090005 [arXiv:1411.7396] [INSPIRE].
O. Antipin, M. Redi, A. Strumia and E. Vigiani, Accidental composite dark matter, JHEP 07 (2015) 039 [arXiv:1503.08749] [INSPIRE].
G.D. Kribs and E.T. Neil, Review of strongly-coupled composite dark matter models and lattice simulations, Int. J. Mod. Phys. A 31 (2016) 1643004 [arXiv:1604.04627] [INSPIRE].
ATLAS collaboration, M. King, Searches for long-lived particles, lepton-jets, stable and meta-stable particles with the ATLAS detector, Nucl. Part. Phys. Proc. 273-275 (2016) 613 [INSPIRE].
ATLAS collaboration, Search for long-lived, weakly interacting particles that decay to displaced hadronic jets in proton-proton collisions at \( \sqrt{s}=8 \) TeV with the ATLAS detector, Phys. Rev. D 92 (2015) 012010 [arXiv:1504.03634] [INSPIRE].
P. Schwaller, D. Stolarski and A. Weiler, Emerging jets, JHEP 05 (2015) 059 [arXiv:1502.05409] [INSPIRE].
T. Cohen, M. Lisanti and H.K. Lou, Semivisible jets: dark matter undercover at the LHC, Phys. Rev. Lett. 115 (2015) 171804 [arXiv:1503.00009] [INSPIRE].
T. Cohen, M. Lisanti, H.K. Lou and S. Mishra-Sharma, LHC searches for dark sector showers, JHEP 11 (2017) 196 [arXiv:1707.05326] [INSPIRE].
B. Diaz, M. Schmaltz and Y.-M. Zhong, The leptoquark hunter’s guide: pair production, JHEP 10 (2017) 097 [arXiv:1706.05033] [INSPIRE].
J.F. Gunion, H.E. Haber, G.L. Kane and S. Dawson, The Higgs hunter’s guide, Front. Phys. 80 (2000) 1 [INSPIRE].
A. De Simone, O. Matsedonskyi, R. Rattazzi and A. Wulzer, A first top partner hunter’s guide, JHEP 04 (2013) 004 [arXiv:1211.5663] [INSPIRE].
LHC New Physics Working Group collaboration, D. Alves, Simplified models for LHC new physics searches, J. Phys. G 39 (2012) 105005 [arXiv:1105.2838] [INSPIRE].
J. Kang and M.A. Luty, Macroscopic strings and ‘quirks’ at colliders, JHEP 11 (2009) 065 [arXiv:0805.4642] [INSPIRE].
L. Li, E. Salvioni, Y. Tsai and R. Zheng, Electroweak-charged bound states as LHC probes of hidden forces, Phys. Rev. D 97 (2018) 015010 [arXiv:1710.06437] [INSPIRE].
L. Carloni and T. Sjöstrand, Visible effects of invisible hidden valley radiation, JHEP 09 (2010) 105 [arXiv:1006.2911] [INSPIRE].
J. Alwall et al., The automated computation of tree-level and next-to-leading order differential cross sections and their matching to parton shower simulations, JHEP 07 (2014) 079 [arXiv:1405.0301] [INSPIRE].
A. Alloul, N.D. Christensen, C. Degrande, C. Duhr and B. Fuks, FeynRules 2.0 — a complete toolbox for tree-level phenomenology, Comput. Phys. Commun. 185 (2014) 2250 [arXiv:1310.1921] [INSPIRE].
T. Sjöstrand, S. Mrenna and P.Z. Skands, A brief introduction to PYTHIA 8.1, Comput. Phys. Commun. 178 (2008) 852 [arXiv:0710.3820] [INSPIRE].
L. Carloni, J. Rathsman and T. Sjöstrand, Discerning secluded sector gauge structures, JHEP 04 (2011) 091 [arXiv:1102.3795] [INSPIRE].
DELPHES 3 collaboration, J. de Favereau et al., DELPHES 3, a modular framework for fast simulation of a generic collider experiment, JHEP 02 (2014) 057 [arXiv:1307.6346] [INSPIRE].
M. Cacciari, G.P. Salam and G. Soyez, FastJet user manual, Eur. Phys. J. C 72 (2012) 1896 [arXiv:1111.6097] [INSPIRE].
M. Cacciari, G.P. Salam and G. Soyez, The anti-k t jet clustering algorithm, JHEP 04 (2008) 063 [arXiv:0802.1189] [INSPIRE].
ATLAS collaboration, Search for squarks and gluinos in final states with jets and missing transverse momentum using 36 fb −1 of \( \sqrt{s}=13 \) TeV pp collision data with the ATLAS detector, ATLAS-CONF-2017-022, CERN, Geneva, Switzerland, (2017).
M.R. Buckley, J.D. Lykken, C. Rogan and M. Spiropulu, Super-razor and searches for sleptons and charginos at the LHC, Phys. Rev. D 89 (2014) 055020 [arXiv:1310.4827] [INSPIRE].
P. Jackson, C. Rogan and M. Santoni, Sparticles in motion: analyzing compressed SUSY scenarios with a new method of event reconstruction, Phys. Rev. D 95 (2017) 035031 [arXiv:1607.08307] [INSPIRE].
A.L. Read, Presentation of search results: the CL s technique, J. Phys. G 28 (2002) 2693 [INSPIRE].
T. Junk, Confidence level computation for combining searches with small statistics, Nucl. Instrum. Meth. A 434 (1999) 435 [hep-ex/9902006] [INSPIRE].
ATLAS collaboration, Search for top squarks in final states with one isolated lepton, jets and missing transverse momentum in \( \sqrt{s}=13 \) TeV pp collisions with the ATLAS detector, ATLAS-CONF-2016-050, CERN, Geneva, Switzerland, (2016).
ATLAS collaboration, A search for pair-produced resonances in four-jet final states at \( \sqrt{s}=13 \) TeV with the ATLAS detector, ATLAS-CONF-2017-025, CERN, Geneva, Switzerland, (2017).
M.L. Graesser and J. Shelton, Hunting mixed top squark decays, Phys. Rev. Lett. 111 (2013) 121802 [arXiv:1212.4495] [INSPIRE].
D. Dercks, N. Desai, J.S. Kim, K. Rolbiecki, J. Tattersall and T. Weber, CheckMATE 2: from the model to the limit, Comput. Phys. Commun. 221 (2017) 383 [arXiv:1611.09856] [INSPIRE].
ATLAS collaboration, Search for electroweak production of supersymmetric particles in the two and three lepton final state at \( \sqrt{s}=13 \) TeV with the ATLAS detector, ATLAS-CONF-2017-039, CERN, Geneva, Switzerland, (2017).
C.G. Lester and D.J. Summers, Measuring masses of semiinvisibly decaying particles pair produced at hadron colliders, Phys. Lett. B 463 (1999) 99 [hep-ph/9906349] [INSPIRE].
A. Barr, C. Lester and P. Stephens, m T 2 : the truth behind the glamour, J. Phys. G 29 (2003) 2343 [hep-ph/0304226] [INSPIRE].
CMS collaboration, Search for pair production of tau sleptons in \( \sqrt{s}=13 \) TeV pp collisions in the all-hadronic final state, CMS-PAS-SUS-17-003, CERN, Geneva, Switzerland, (2017).
CMS collaboration, Search for pair-production of first generation scalar leptoquarks in pp collisions at \( \sqrt{s}=13 \) TeV with 2.6 fb −1, CMS-PAS-EXO-16-043, CERN, Geneva, Switzerland, (2016).
OPAL collaboration, G. Abbiendi et al., Search for pair produced leptoquarks in e + e − interactions at \( \sqrt{s}\simeq 189-209 \) GeV, Eur. Phys. J. C 31 (2003) 281 [hep-ex/0305053] [INSPIRE].
H. Beauchesne, E. Bertuzzo and G. Grilli di Cortona, Constraints on the relaxion mechanism with strongly interacting vector-fermions, JHEP 08 (2017) 093 [arXiv:1705.06325] [INSPIRE].
P. Bechtle, S. Heinemeyer, O. Stål, T. Stefaniak and G. Weiglein, Probing the Standard Model with Higgs signal rates from the Tevatron, the LHC and a future ILC, JHEP 11 (2014) 039 [arXiv:1403.1582] [INSPIRE].
CMS collaboration, Search for new phenomena in final states with two opposite-charge, same-flavor leptons, jets and missing transverse momentum in pp collisions at \( \sqrt{s}=13 \) TeV, JHEP 03 (2018) 076 [arXiv:1709.08908] [INSPIRE].
CMS collaboration, Search for electroweak production of charginos and neutralinos in multilepton final states in proton-proton collisions at \( \sqrt{s}=13 \) TeV, JHEP 03 (2018) 166 [arXiv:1709.05406] [INSPIRE].
ATLAS collaboration, Measurement of the W ± Z boson pair-production cross section in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector, Phys. Lett. B 762 (2016) 1 [arXiv:1606.04017] [INSPIRE].
CMS collaboration, Measurement of the W Z production cross section in pp collisions at \( \sqrt{s}=13 \) TeV, Phys. Lett. B 766 (2017) 268 [arXiv:1607.06943] [INSPIRE].
CMS collaboration, Measurement of the W Z production cross section in pp collisions at \( \sqrt{s}=7 \) and 8 TeV and search for anomalous triple gauge couplings at \( \sqrt{s}=8 \) TeV, Eur. Phys. J. C 77 (2017) 236 [arXiv:1609.05721] [INSPIRE].
P. Fayet, Effects of the spin 1 partner of the Goldstino (Gravitino) on neutral current phenomenology, Phys. Lett. B 95 (1980) 285 [INSPIRE].
A. Alves, G. Arcadi, Y. Mambrini, S. Profumo and F.S. Queiroz, Augury of darkness: the low-mass dark Z ′ portal, JHEP 04 (2017) 164 [arXiv:1612.07282] [INSPIRE].
M. Pospelov, Secluded U(1) below the weak scale, Phys. Rev. D 80 (2009) 095002 [arXiv:0811.1030] [INSPIRE].
A. Aranda and C.D. Carone, Limits on a light leptophobic gauge boson, Phys. Lett. B 443 (1998) 352 [hep-ph/9809522] [INSPIRE].
P. Fayet, U-boson production in e + e − annihilations, ψ and Y decays and light dark matter, Phys. Rev. D 75 (2007) 115017 [hep-ph/0702176] [INSPIRE].
KLOE-2 collaboration, F. Curciarello, Dark forces at DAΦNE, EPJ Web Conf. 96 (2015) 01008 [arXiv:1502.05517] [INSPIRE].
F. Curciarello, Search for the U-boson in the process e + e − → μ + μ − γ, U → μ + μ − with the KLOE detector, arXiv:1501.04424 [INSPIRE].
J.M. Cornwall, D.N. Levin and G. Tiktopoulos, Derivation of gauge invariance from high-energy unitarity bounds on the s matrix, Phys. Rev. D 10 (1974) 1145 [Erratum ibid. D 11 (1975) 972] [INSPIRE].
C.E. Vayonakis, Born helicity amplitudes and cross-sections in non-Abelian gauge theories, Lett. Nuovo Cim. 17 (1976) 383 [INSPIRE].
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Beauchesne, H., Bertuzzo, E., di Cortona, G.G. et al. Collider phenomenology of Hidden Valley mediators of spin 0 or 1/2 with semivisible jets. J. High Energ. Phys. 2018, 30 (2018). https://doi.org/10.1007/JHEP08(2018)030
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DOI: https://doi.org/10.1007/JHEP08(2018)030