Search Results - "El Hedri, Sonia"

Simplified phenomenology for colored dark sectors by El Hedri, Sonia, Kaminska, Anna, de Vries, Maikel, Zurita, Jose

“…A bstract We perform a general study of the relic density and LHC constraints on simplified models where the dark matter coannihilates with a strongly…”
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A Sommerfeld toolbox for colored dark sectors by El Hedri, Sonia, Kaminska, Anna, de Vries, Maikel

“…We present analytical formulas for the Sommerfeld corrections to the annihilation of massive colored particles into quarks and gluons through the strong…”
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Cornering colored coannihilation by El Hedri, Sonia, de Vries, Maikel

“…A bstract In thermal dark matter models, allowing the dark matter candidate to coannihilate with another particle can considerably loosen the relic density…”
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Whac-a-constraint with anomaly-free dark matter models by El Hedri, Sonia, Nordström, Karl

“…Theories where a fermionic dark matter candidate interacts with the StandardModel through a vector mediator are often studied using minimal models, whichare…”
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Hunting for dark matter coannihilation by mixing dijet resonances and missing transverse energy by Buschmann, Malte, El Hedri, Sonia, Kaminska, Anna, Liu, Jia, de Vries, Maikel, Wang, Xiao-Ping, Yu, Felix, Zurita, José

“…A bstract Simplified models of the dark matter (co)annihilation mechanism predict striking new collider signatures untested by current searches. These models,…”
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Perturbative unitarity constraints on charged/colored portals by Cahill-Rowley, Matthew, Hedri, Sonia El, Shepherd, William, Walker, Devin G.E.

“…Dark matter that was once in thermal equilibrium with the Standard Model is generally prohibited from obtaining all of its mass from the electroweak or QCD…”
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Exploiting synergies between neutrino telescopes for the next galactic core-collapse supernova by Bendahman, Meriem, Buellet, Anne-Cécile, Bugli, Matteo, Coelho, Joao, Coleiro, Alexis, de Wasseige, Gwenhaël, El Hedri, Sonia, Foglizzo, Thierry, Franco, Davide, Goos, Isabel, Guilet, Jérôme, Kouchner, Antoine, Tayalati, Yahya, Tonazzo, Alessandra, Volpe, Cristina

“…Observing and characterizing the next galactic core-collapse supernova will be a critical step for neutrino experiments. Extracting information about the…”
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Whac-a-constraint with anomaly-free dark matter models by Hedri, Sonia El, Nordström, Karl

“…SciPost Phys. 6, 020 (2019) Theories where a fermionic dark matter candidate interacts with the Standard Model through a vector mediator are often studied…”
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Cornering Colored Coannihilation by Hedri, Sonia El, de Vries, Maikel

“…In thermal dark matter models, allowing the dark matter candidate to coannihilate with another particle can considerably loosen the relic density constraints…”
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The coannihilation codex by Baker, Michael J., Brod, Joachim, El Hedri, Sonia, Kaminska, Anna, Kopp, Joachim, Liu, Jia, Thamm, Andrea, de Vries, Maikel, Wang, Xiao-Ping, Yu, Felix, Zurita, José

“…A bstract We present a general classification of simplified models that lead to dark matter (DM) coannihilation processes of the form DM + X → SM 1 + SM 2 ,…”
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A Sommerfeld Toolbox for Colored Dark Sectors by Hedri, Sonia El, Kaminska, Anna, de Vries, Maikel

“…Eur.Phys.J. C77 (2017) no.9, 622 We present analytical formulae for the Sommerfeld corrections to the annihilation of massive colored particles into quarks and…”
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Reducing the Quadratic Divergence in the Higgs Mass Squared Without Top Partners by Hedri, Sonia El, Nelson, Ann E, Walker, Devin G. E

“…Phys. Rev. D 98, 035029 (2018) We examine a model with multiple scalar fields to see whether it is possible to reduce the fine- tuning of the SM Higgs mass…”
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Simplified Phenomenology for Colored Dark Sectors by Hedri, Sonia El, Kaminska, Anna, de Vries, Maikel, Zurita, Jose

“…JHEP 1704 (2017) 118 We perform a general study of the relic density and LHC constraints on simplified models where the dark matter coannihilates with a…”
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Dark matter amnesia in out-of-equilibrium scenarios by Berger, Joshua, Croon, Djuna, Hedri, Sonia El, Jedamzik, Karsten, Perko, Ashley, Walker, Devin G. E

“…Models in which the dark matter is produced at extremely low rates from the annihilation of Standard Model particles in the early Universe allow us to explain…”
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Minimal signatures of naturalness by El Hedri, Sonia, Hook, Anson

“…A bstract We study the naturalness problem using a model independent bottom up approach by considering models where only the interaction terms needed to cancel…”
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Learning how to count: a high multiplicity search for the LHC by El Hedri, Sonia, Hook, Anson, Jankowiak, Martin, Wacker, Jay G.

“…A bstract We introduce a search technique that is sensitive to a broad class of signals with large final state multiplicities. Events are clustered into large…”
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Minimal Signatures of Naturalness by Hedri, Sonia El, Hook, Anson

“…We study the naturalness problem using a model independent bottom up approach by considering models where only the interaction terms needed to cancel the Higgs…”
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Hunting for Dark Matter Coannihilation by Mixing Dijet Resonances and Missing Transverse Energy by Buschmann, Malte, Hedri, Sonia El, Kaminska, Anna, Liu, Jia, de Vries, Maikel, Wang, Xiao-Ping, Yu, Felix, Zurita, Jose

“…Simplified models of the dark matter (co)annihilation mechanism predict striking new collider signatures untested by current searches. These models, which were…”
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Dissecting jets and missing energy searches using n-body extended simplified models by Cohen, Timothy, Dolan, Matthew J., El Hedri, Sonia, Hirschauer, James, Tran, Nhan, Whitbeck, Andrew

“…A bstract Simplified Models are a useful way to characterize new physics scenarios for the LHC. Particle decays are often represented using non-renormalizable…”
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Perturbative unitarity constraints on gauge portals by El Hedri, Sonia, Shepherd, William, Walker, Devin G.E.

“…Dark matter that was once in thermal equilibrium with the Standard Model is generally prohibited from obtaining all of its mass from the electroweak phase…”
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