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Physics at the [Formula: see text] linear collider.

Moortgat-Pick G, Baer H, Battaglia M, Belanger G, Fujii K, Kalinowski J, Heinemeyer S, Kiyo Y, Olive K, Simon F, Uwer P, Wackeroth D, Zerwas PM, Arbey A, Asano M, Bagger J, Bechtle P, Bharucha A, Brau J, Brümmer F, Choi SY, Denner A, Desch K, Dittmaier S, Ellwanger U, Englert C, Freitas A, Ginzburg I, Godfrey S, Greiner N, Grojean C, Grünewald M, Heisig J, Höcker A, Kanemura S, Kawagoe K, Kogler R, Krawczyk M, Kronfeld AS, Kroseberg J, Liebler S, List J, Mahmoudi F, Mambrini Y, Matsumoto S, Mnich J, Mönig K, Mühlleitner MM, Pöschl R, Porod W, Porto S, Rolbiecki K, Schmitt M, Serpico P, Stanitzki M, Stål O, Stefaniak T, Stöckinger D, Weiglein G, Wilson GW, Zeune L, Moortgat F, Xella S, Bagger J, Brau J, Ellis J, Kawagoe K, Komamiya S, Kronfeld AS, Mnich J, Peskin M, Schlatter D, Wagner A, Yamamoto H - Eur Phys J C Part Fields (2015)

Bottom Line: A comprehensive review of physics at an [Formula: see text] linear collider in the energy range of [Formula: see text] GeV-3 TeV is presented in view of recent and expected LHC results, experiments from low-energy as well as astroparticle physics.The report focusses in particular on Higgs-boson, top-quark and electroweak precision physics, but also discusses several models of beyond the standard model physics such as supersymmetry, little Higgs models and extra gauge bosons.The connection to cosmology has been analysed as well.

View Article: PubMed Central - PubMed

Affiliation: II. Institute of Theoretical Physics, University of Hamburg, 22761 Hamburg, Germany ; Deutsches Elektronen Synchrotron (DESY), Hamburg und Zeuthen, 22603 Hamburg, Germany.

ABSTRACT

A comprehensive review of physics at an [Formula: see text] linear collider in the energy range of [Formula: see text] GeV-3 TeV is presented in view of recent and expected LHC results, experiments from low-energy as well as astroparticle physics. The report focusses in particular on Higgs-boson, top-quark and electroweak precision physics, but also discusses several models of beyond the standard model physics such as supersymmetry, little Higgs models and extra gauge bosons. The connection to cosmology has been analysed as well.

No MeSH data available.


Neutralino relic density as a function of the neutralino LSP mass from a scan of the pMSSM parameter space. The colours indicate the nature of the neutralino LSP with the largest occurrence in each bin
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Fig122: Neutralino relic density as a function of the neutralino LSP mass from a scan of the pMSSM parameter space. The colours indicate the nature of the neutralino LSP with the largest occurrence in each bin

Mentions: Despite the WIMP “miracle”, SUSY theories where the lightest neutralino plays the role of a thermally produced WIMP have a relic abundance spanning over a broad range of values from several orders of magnitude larger than the value derived from the CMB spectrum in the case of a bino-like neutralino, and up to two-to-three orders of magnitude lower in the case of wino- or higgsino-like neutralinos [1096] with a mass of order 100 GeV; see Fig. 122. A wino- or higgsino-like neutralino LSP in the generic MSSM gives a relic density compatible with the CMB data for masses in the range 0.9–3 TeV, while bino-like or mixed neutralinos may match the CMB data for lighter masses. A deficit is, in principle, acceptable, since the neutralino may not be the only source of DM and its relic density should not necessarily saturate the measured value. As an example, in the case of the axion solution to the strong problem within the SUSY context, DM is due to a mixture of axions and neutralinos [1097]. For the case of bino-like LSPs where the abundance might be expected to exceed the WMAP/Planck value, an efficient annihilation mechanism – such as coannihilation, resonance annihilation or mixed bino–higgsino or mixed wino–bino annihilation – is needed. Such enhanced annihilation mechanisms define specific patterns of the masses of one or more SUSY particles compared to the lightest neutralino, which are important for searches at colliders.Fig. 123


Physics at the [Formula: see text] linear collider.

Moortgat-Pick G, Baer H, Battaglia M, Belanger G, Fujii K, Kalinowski J, Heinemeyer S, Kiyo Y, Olive K, Simon F, Uwer P, Wackeroth D, Zerwas PM, Arbey A, Asano M, Bagger J, Bechtle P, Bharucha A, Brau J, Brümmer F, Choi SY, Denner A, Desch K, Dittmaier S, Ellwanger U, Englert C, Freitas A, Ginzburg I, Godfrey S, Greiner N, Grojean C, Grünewald M, Heisig J, Höcker A, Kanemura S, Kawagoe K, Kogler R, Krawczyk M, Kronfeld AS, Kroseberg J, Liebler S, List J, Mahmoudi F, Mambrini Y, Matsumoto S, Mnich J, Mönig K, Mühlleitner MM, Pöschl R, Porod W, Porto S, Rolbiecki K, Schmitt M, Serpico P, Stanitzki M, Stål O, Stefaniak T, Stöckinger D, Weiglein G, Wilson GW, Zeune L, Moortgat F, Xella S, Bagger J, Brau J, Ellis J, Kawagoe K, Komamiya S, Kronfeld AS, Mnich J, Peskin M, Schlatter D, Wagner A, Yamamoto H - Eur Phys J C Part Fields (2015)

Neutralino relic density as a function of the neutralino LSP mass from a scan of the pMSSM parameter space. The colours indicate the nature of the neutralino LSP with the largest occurrence in each bin
© Copyright Policy - OpenAccess
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4537698&req=5

Fig122: Neutralino relic density as a function of the neutralino LSP mass from a scan of the pMSSM parameter space. The colours indicate the nature of the neutralino LSP with the largest occurrence in each bin
Mentions: Despite the WIMP “miracle”, SUSY theories where the lightest neutralino plays the role of a thermally produced WIMP have a relic abundance spanning over a broad range of values from several orders of magnitude larger than the value derived from the CMB spectrum in the case of a bino-like neutralino, and up to two-to-three orders of magnitude lower in the case of wino- or higgsino-like neutralinos [1096] with a mass of order 100 GeV; see Fig. 122. A wino- or higgsino-like neutralino LSP in the generic MSSM gives a relic density compatible with the CMB data for masses in the range 0.9–3 TeV, while bino-like or mixed neutralinos may match the CMB data for lighter masses. A deficit is, in principle, acceptable, since the neutralino may not be the only source of DM and its relic density should not necessarily saturate the measured value. As an example, in the case of the axion solution to the strong problem within the SUSY context, DM is due to a mixture of axions and neutralinos [1097]. For the case of bino-like LSPs where the abundance might be expected to exceed the WMAP/Planck value, an efficient annihilation mechanism – such as coannihilation, resonance annihilation or mixed bino–higgsino or mixed wino–bino annihilation – is needed. Such enhanced annihilation mechanisms define specific patterns of the masses of one or more SUSY particles compared to the lightest neutralino, which are important for searches at colliders.Fig. 123

Bottom Line: A comprehensive review of physics at an [Formula: see text] linear collider in the energy range of [Formula: see text] GeV-3 TeV is presented in view of recent and expected LHC results, experiments from low-energy as well as astroparticle physics.The report focusses in particular on Higgs-boson, top-quark and electroweak precision physics, but also discusses several models of beyond the standard model physics such as supersymmetry, little Higgs models and extra gauge bosons.The connection to cosmology has been analysed as well.

View Article: PubMed Central - PubMed

Affiliation: II. Institute of Theoretical Physics, University of Hamburg, 22761 Hamburg, Germany ; Deutsches Elektronen Synchrotron (DESY), Hamburg und Zeuthen, 22603 Hamburg, Germany.

ABSTRACT

A comprehensive review of physics at an [Formula: see text] linear collider in the energy range of [Formula: see text] GeV-3 TeV is presented in view of recent and expected LHC results, experiments from low-energy as well as astroparticle physics. The report focusses in particular on Higgs-boson, top-quark and electroweak precision physics, but also discusses several models of beyond the standard model physics such as supersymmetry, little Higgs models and extra gauge bosons. The connection to cosmology has been analysed as well.

No MeSH data available.