Browsing by Subject "Dark matter"

Now showing items 1-20 of 25

Can WIMP Dark Matter Overcome the Nightmare Scenario?

Okada, Nobuchika (2010-09-29)

Even if new physics beyond the standard model indeed exists, the energy scale of new physics might be beyond the reach at the Large Hadron Collider (LHC), and the LHC could find only the Higgs boson but nothing else. This ...
Constraining Radon Backgrounds in LZ

Piepke, Andreas (2018-01-03)

The LZ dark matter detector, like many other rare-event searches, will suffer from backgrounds due to the radioactive decay of radon daughters. In order to achieve its science goals, the concentration of radon within the ...
Erratum to: search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets

CMS Collaboration; Charaf, O.; Cooper, S.I.; Henderson, C.; Rumerio, P. (2017)
Galactic Center Gamma Ray Excess from Two Higgs Doublet Portal Dark Matter

Okada, Nobuchika (American Physical Society, 2014-10-21)

We consider a simple extension of the type-II two-Higgs-doublet model by introducing a real scalar as a candidate for dark matter in the present Universe. The main annihilation mode of the dark matter particle with a mass ...
IceCube Search for Dark Matter Annihilation in nearby Galaxies and Galaxy Clusters

Santander, Marcos (American Physical Society, 2013-12-06)

We present the results of a first search for self-annihilating dark matter in nearby galaxies and galaxy clusters using a sample of high-energy neutrinos acquired in 339.8 days of live time during 2009/10 with the IceCube ...
Model-Independent Approach for Dark Matter Phenomenology: Signatures in Linear Colliders and Cosmic Positron Experiments

Okada, Nobuchika (2008-01-12)

We have studied the phenomenology of dark matter at the ILC and cosmic positron experiments based on model-independent approach. We have found a strong correlation between dark matter signatures at the ILC and those in the ...
Models of Isospin Violating ADM

Okada, Nobuchika (2014-06-24)

The isospin violating dark matter (IVDM) scenario offers an interesting possibility to reconcile conflicting results among direct dark matter search experiments for a mass range around 10 GeV. We consider two simple ...
Multiyear Search for Dark Matter Annihilations in the Sun with the AMANDA-II and IceCube Detectors

Santander, Marcos (American Physical Society, 2012-02-22)

A search for an excess of muon neutrinos from dark matter annihilations in the Sun has been performed with the AMANDA-II neutrino telescope using data collected in 812 days of live time between 2001 and 2006 and 149 days ...
Relic Density of Dark Matter in Brane World Cosmology

Okada, Nobuchika (American Physical Society, 2004-10-26)

We investigate the thermal relic density of cold dark matter in the context of brane world cosmology. Since the expansion law in a high energy regime is modified from the one in the standard cosmology, if the dark matter ...
Search for associated production of dark matter with a Higgs boson decaying to bb̅ or γγ at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2017)

A search for dark matter is performed looking for events with large missing transverse momentum and a Higgs boson decaying either to a pair of bottom quarks or to a pair of photons. The data from proton-proton collisions ...
Search for Dark Matter Annihilations in the Sun with the 79-String IceCube Detector

Santander, Marcos (2013-03-28)

We have performed a search for muon neutrinos from dark matter annihilation in the center of the Sun with the 79-string configuration of the IceCube neutrino telescope. For the first time, the DeepCore subarray is included ...
Search for dark matter in events with a leptoquark and missing transverse momentum in proton-proton collisions at 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2019)

A search is presented for dark matter in proton-proton collisions at a center-of-mass energy of \(\sqrt{s}=13\) TeV using events with at least one high transverse momentum (\({p}_{T}\)) muon, at least one high-\({p}_{T}\) ...
Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2018)

A search for dark matter is conducted in events with large missing transverse momentum and a hadronically decaying, Lorentz-boosted top quark. This study is performed using proton-proton collisions at a center-of-mass ...
Search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets

CMS Collaboration; Charaf, O.; Cooper, S.I.; Henderson, C.; Rumerio, P. (2016)

A search is presented for an excess of events with large missing transverse momentum in association with at least one highly energetic jet, in a data sample of proton-proton collisions at a centre-of-mass energy of 8 TeV. ...
Search for dark matter particles produced in association with a Higgs boson in proton-proton collisions at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2020)

A search for dark matter (DM) particles is performed using events with a Higgs boson candidate and large missing transverse momentum. The analysis is based on proton- proton collision data at a center-of-mass energy of 13 ...
Search for dark matter produced in association with a Higgs boson decaying to γγ or τ⁺τ⁻ at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2018)

A search for dark matter particles is performed by looking for events with large transverse momentum imbalance and a recoiling Higgs boson decaying to either a pair of photons or a pair of τ leptons. The search is based ...
Search for dark matter produced in association with a single top quark or a top quark pair in proton-proton collisions at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2019)

A search for dark matter produced in association with top quarks in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The data set used corresponds to an integrated luminosity of 35.9 fb⁻¹ recorded ...
Search for dark matter produced with an energetic jet or a hadronically decaying W or Z boson at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2017)

A search for dark matter particles is performed using events with large missing transverse momentum, at least one energetic jet, and no leptons, in proton-proton collisions at \(\sqrt{s}\)=13TeV collected with the CMS ...
Search for heavy neutrinos and third-generation leptoquarks in hadronic states of two τ leptons and two jets in proton-proton collisions at √s = 13 TeV

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2019)

A search for new particles has been conducted using events with two high transverse momentum τ leptons that decay hadronically and at least two energetic jets. The analysis is performed using data from proton-proton ...
Search for natural and split supersymmetry in proton-proton collisions at √s = 13 TeV in final states with jets and missing transverse momentum

CMS Collaboration; Buccilli, A.; Cooper, S.I.; Henderson, C.; Rumerio, P.; West, C. (2018)

A search for supersymmetry (SUSY) is performed in final states comprising one or more jets and missing transverse momentum using data from proton-proton collisions at a centre-of-mass energy of 13 TeV. The data were recorded ...

Now showing items 1-20 of 25

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Browsing by Subject "Dark matter"

Browsing by Subject "Dark matter"

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