SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.23 seconds. 
1. R D * $$ {R}_{D^{\left(*\right)}} $$ in custodial warped space / Carena, Marcela ; Megías, Eugenio ; Quirós, Mariano ; Wagner, Carlos
Flavor physics experiments allow to probe the accuracy of the Standard Model (SM) description at low energies, and are sensitive to new heavy gauge bosons that couple to quarks and leptons in a relevant way. [...]
Published in JHEP 1812 (2018) 043 10.1007/JHEP12(2018)043 arXiv:1809.01107
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2. Supersymmetry and LHC missing energy signals / Carena, Marcela ; Osborne, James ; Shah, Nausheen R. ; Wagner, Carlos E. M.
Current analyses of the LHC data put stringent bounds on strongly interacting supersymmetric particles, restricting the masses of squarks and gluinos to be above the TeV scale. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.115010 arXiv:1809.11082
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3. Higgs Pair Production as a Signal of Enhanced Yukawa Couplings / Bauer, Martin ; Carena, Marcela ; Carmona, Adrián
We present a nontrivial correlation between the enhancement of the Higgs-fermion couplings and the Higgs pair production cross section in two Higgs doublet models with a flavor symmetry, with implications for LHC searches. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.021801 arXiv:1801.00363
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4. Probing the electroweak phase transition via enhanced di-Higgs boson production / Carena, Marcela ; Liu, Zhen ; Riembau, Marc
We consider a singlet extension of the standard model (SM) with a spontaneous Z2 breaking and study the gluon-gluon fusion production of the heavy scalar, with subsequent decay into a pair of SM-like Higgs bosons. [...]
Published in Physical Review D 97 (2018) 10.1103/PhysRevD.97.095032 arXiv:1801.00794
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5. Higgs portals for thermal Dark Matter. EFT perspectives and the NMSSM / Baum, Sebastian ; Carena, Marcela ; Shah, Nausheen ; Wagner, Carlos
We analyze a low energy effective model of Dark Matter in which the thermal relic density is provided by a singlet Majorana fermion which interacts with the Higgs fields via higher dimensional operators. [...]
Published in JHEP 1804 (2018) 069 10.1007/JHEP04(2018)069 arXiv:1712.09873
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6. Challenges and opportunities for heavy scalar searches in the t t ¯ $$ t\overline{t} $$ channel at the LHC / Carena, Marcela ; Liu, Zhen
Heavy scalar and pseudoscalar resonance searches through the gg → S → t t ¯ $$ gg\to S\to t\overline{t} $$ process are challenging due to the peculiar behavior of the large interference effects with the standard model t t ¯ $$ t\overline{t} $$ background. [...]
Published in JHEP 1611 (2016) 159 10.1007/JHEP11(2016)159 arXiv:1608.07282
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7. Flavor from the electroweak scale / Bauer, Martin ; Carena, Marcela ; Gemmler, Katrin
We discuss the possibility that flavor hierarchies arise from the electroweak scale in a two Higgs doublet model, in which the two Higgs doublets jointly act as the flavon. [...]
Published in JHEP 1511 (2015) 016 10.1007/JHEP11(2015)016 arXiv:1506.01719
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8. Higgs production and decay in models of a warped extra dimension with a bulk Higgs / Archer, Paul ; Carena, Marcela ; Carmona, Adrian ; Neubert, Matthias
Warped extra-dimension models in which the Higgs boson is allowed to propagate in the bulk of a compact AdS 5 space are conjectured to be dual to models featuring a partially composite Higgs boson. [...]
Published in JHEP 1501 (2015) 060 10.1007/JHEP01(2015)060 arXiv:1408.5406
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9. Light dark matter, naturalness, and the radiative origin of the electroweak scale / Altmannshofer, Wolfgang ; Bardeen, William ; Bauer, Martin ; Carena, Marcela ; et al
We study classically scale invariant models in which the Standard Model Higgs mass term is replaced in the Lagrangian by a Higgs portal coupling to a complex scalar field of a dark sector. [...]
Published in JHEP 1501 (2015) 032 10.1007/JHEP01(2015)032 arXiv:1408.3429
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10. Minimal composite Higgs models at the LHC / Marcela Carena ; Leandro Da Rold ; Eduardo Pontón
We consider composite Higgs models where the Higgs is a pseudo-Nambu Goldstone boson arising from the spontaneous breaking of an approximate global symmetry by some underlying strong dynamics. [...]
Published in JHEP 1406 (2014) 159 10.1007/JHEP06(2014)159 arXiv:1402.2987
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