CERN Accelerating science

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1.
The CMSSM Survives Planck, the LHC, LUX-ZEPLIN, Fermi-LAT, H.E.S.S. and IceCube / Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Olive, Keith A. (Minnesota U.) ; Spanos, Vassilis C. (Athens Natl. Capodistrian U.) ; Stamou, Ioanna D. (Brussels U.)
We revisit the viability of the CMSSM, searching for regions of parameter space that yield a neutralino dark matter density compatible with Planck measurements, as well as LHC constraints including sparticle searches and the mass of the Higgs boson, recent direct limits on spin-independent and -dependent dark matter scattering from the LUX-ZEPLIN (LZ) experiment, the indirect constraints from Fermi-LAT and H.E.S.S. on dark matter annihilations to photons in dwarf spheroidal galaxies and the Galactic Centre, and the IceCube limits on muons from annihilations to neutrinos in the Sun. [...]
arXiv:2210.16337; KCL-PH-TH/2022-52; CERN-TH-2022-172; UMN-TH-4204/22; FTPI-MINN-22/29.- 2023-03-23 - 41 p. - Published in : Eur. Phys. J. C 83 (2023) 246 Fulltext: document - PDF; 2210.16337 - PDF;
2.
First Science Results from the LUX-ZEPLIN (LZ) Experiment / Kaboth, Asher (speaker) (University of London (GB))
The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. Operating since mid-2021, it is the largest xenon TPC experiment in the world, with sensitivity to a wide range of rare event searches. [...]
2022 - 3854. EP Seminar External link: Event details In : First Science Results from the LUX-ZEPLIN (LZ) Experiment
3.
Likelihood Analysis of the Sub-GUT MSSM in Light of LHC 13-TeV Data / Costa, J.C. (Imperial Coll., London) ; Bagnaschi, E. (DESY) ; Sakurai, K. (Warsaw U.) ; Borsato, M. (U. Santiago de Compostela (main)) ; Buchmueller, O. (Imperial Coll., London) ; Citron, M. (Imperial Coll., London) ; De Roeck, A. (CERN ; Antwerp U.) ; Dolan, M.J. (Melbourne U.) ; Ellis, J.R. (King's Coll. London ; NICPB, Tallinn ; CERN) ; Flächer, H. (Bristol U.) et al.
We describe a likelihood analysis using MasterCode of variants of the MSSM in which the soft supersymmetry-breaking parameters are assumed to have universal values at some scale $M_{in}$ below the supersymmetric grand unification scale $M_{GUT}$, as can occur in mirage mediation and other models. In addition to $M_{in}$, such `sub-GUT' models have the 4 parameters of the CMSSM, namely a common gaugino mass $m_{1/2}$, a common soft supersymmetry-breaking scalar mass $m_0$, a common trilinear mixing parameter $A$ and the ratio of MSSM Higgs vevs $\tan\beta$, assuming that the Higgs mixing parameter $\mu > 0$. [...]
arXiv:1711.00458; KCL-PH-TH-2017-45; CERN-PH-TH-2017-197; CERN-TH-2017-197; DESY-17-156; FTPI-MINN-17-19; UMN-TH-3703-17; IFT-UAM-CSIC-17-089.- 2018-02-23 - 30 p. - Published in : Eur. Phys. J. C 78 (2018) 158 Article from SCOAP3: PDF; Fulltext: PDF;
4.
Beyond the CMSSM without an Accelerator: Proton Decay and Direct Dark Matter Detection / Ellis, John (King's Coll. London ; CERN) ; Evans, Jason L. (Minnesota U., Theor. Phys. Inst.) ; Luo, Feng (CERN) ; Nagata, Natsumi (Minnesota U., Theor. Phys. Inst. ; Tokyo U., IPMU) ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.) ; Sandick, Pearl (Utah U.)
We consider two potential non-accelerator signatures of generalizations of the well-studied constrained minimal supersymmetric standard model (CMSSM). In one generalization, the universality constraints on soft supersymmetry-breaking parameters are applied at some input scale $M_{in}$ below the grand unification (GUT) scale $M_{GUT}$, a scenario referred to as `sub-GUT'. [...]
arXiv:1509.08838; KCL-PH-TH-2015-42; LCTS-2015-29; CERN-PH-TH-2015-229; UMN-TH-3502-15; FTPI--MINN--15-41; IPMU15--0174; CETUP2015-021; UMN--TH--3502-15; KCL-PH-TH-2015-42; LCTS-2015-29; CERN-PH-TH-2015-229; UMN-TH-3502-15; FTPI-MINN-15-41; IPMU15-0174; CETUP-2015-021.- Geneva Geneva : CERN, CERN, 2016-01-05 - 42 p. - Published in : Eur. Phys. J. C 76 (2016) 8 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
5.
Is the light neutralino thermal dark matter in the pMSSM ruled out? / Sengupta, Rhitaja (speaker) (BCTP and Physikalisches Institut der Universität Bonn, Germany)
We explore the parameter space of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with a light neutralino thermal dark matter (M ̃χ01 ≤ Mh/2) that is consistent with current collider and astrophysical constraints. We identify that a narrow region with light Higgsinos having masses between 125-160 GeV survives the present constraints for the μ < 0 scenario, including the electroweakino searches implemented in recast frameworks like SModelS and CheckMATE, where μ is the Higgsino mass parameter. [...]
2024 - 1638. Workshops; Roadmap of Dark Matter models for Run 3 External links: Talk details; Event details In : Roadmap of Dark Matter models for Run 3
6.
Dark Matter searches / Tovey, Daniel (speaker) (University of Sheffield (GB))
Dark Matter is one of the most compelling motivations for physics beyond the Standard Model. This lecture series will review the status and prospects for Dark Matter searches, covering both direct and indirect searches [...]
2021 - 3654. Academic Training Lecture Regular Programme, 2020-2021 External link: Event details In : Dark Matter searches
7.
Dark Matter searches / Tovey, Daniel (speaker) (University of Sheffield)
Dark Matter is one of the most compelling motivations for physics beyond the Standard Model. This lecture series will review the status and prospects for Dark Matter searches, covering both direct and indirect searches. [...]
2021 - 3419. Academic Training Lecture Regular Programme, 2020-2021 External link: Event details In : Dark Matter searches
8.
Dark Matter searches / Tovey, Daniel (speaker) (University of Sheffield)
Dark Matter is one of the most compelling motivations for physics beyond the Standard Model. This lecture series will review the status and prospects for Dark Matter searches, covering both direct and indirect searches. [...]
2021 - 3962. Academic Training Lecture Regular Programme, 2020-2021 External link: Event details In : Dark Matter searches
9.
Supersymmetry and Dark Matter in Light of LHC 2010 and Xenon100 Data / Buchmueller, O. (Imperial Coll., London) ; Cavanaugh, R. (Fermilab ; Illinois U., Chicago) ; Colling, D. (Imperial Coll., London) ; De Roeck, A. (CERN ; Antwerp U.) ; Dolan, M.J. (Durham U., IPPP) ; Ellis, J.R. (CERN ; King's Coll. London) ; Flacher, H. (Rochester U.) ; Heinemeyer, S. (Cantabria Inst. of Phys.) ; Isidori, G. (Frascati) ; Santos, D.Martinez (CERN) et al.
We make frequentist analyses of the CMSSM, NUHM1, VCMSSM and mSUGRA parameter spaces taking into account all the public results of searches for supersymmetry using data from the 2010 LHC run and the Xenon100 direct search for dark matter scattering. The LHC data set includes ATLAS and CMS searches for jets + ETslash events (with or without leptons) and for the heavier MSSM Higgs bosons, and the upper limit on bs to mu mu including data from LHCb as well as CDF and D0. [...]
arXiv:1106.2529; FERMILAB-PUB-11-900-CMS; CERN-PH-TH-2011-129; DCPT-11-62; DESY-11-119; IPPP-11-31; KCL-PH-TH-2011-12; LCTS-2011-01; UMN-TH-3002-11; FTPI-MINN-11-12; CERN-PH-TH-2011-129; DCPT-11-62; DESY 11-119; IPPP-11-31; FTPI-MINN-11-12; KCL-PH-TH-2011-12; LCTS-2011-01; UMN-TH-3002-11.- 2011 - 27 p. - Published in : Eur. Phys. J. C 71 (2011) 1722 Fulltext: PDF; External link: Preprint
10.
LUX-ZEPLIN (LZ) Conceptual Design Report / LZ Collaboration
The design and performance of the LUX-ZEPLIN (LZ) detector is described as of March 2015 in this Conceptual Design Report. [...]
arXiv:1509.02910 ; LBNL-190005.
- 2015. - 278 p.
Preprint

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