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- Minimal_Supersymmetric_Standard_Model abstract "The Minimal Supersymmetric Standard Model (MSSM) is a minimal extension to the Standard Model that realizes supersymmetry, although non-minimal extensions do exist. Supersymmetry pairs bosons with fermions; therefore every Standard Model particle has a partner that has yet to be discovered. If the superparticles are found, it may be analogous to discovering dark matter and depending on the details of what might be found, it could provide evidence for grand unification and might even, in principle, provide hints as to whether string theory describes nature. The failure of the Large Hadron Collider to find evidence for supersymmetry has led some physicists to suggest that the theory should be abandoned.The MSSM was originally proposed in 1981 to stabilize the weak scale, solving the hierarchy problem. The Higgs boson mass of the Standard Model is unstable to quantum corrections and the theory predicts that weak scale should be much weaker than what is observed to be. In the MSSM, the Higgs boson has a fermionic superpartner, the Higgsino, that has the same mass as it would if supersymmetry were an exact symmetry. Because fermion masses are radiatively stable, the Higgs mass inherits this stability. However, in MSSM there is a need for more than one Higgs field, as described below.The only unambiguous way to claim discovery of supersymmetry is to produce superparticles in the laboratory. Because superparticles are expected to be 100 to 1000 times heavier than the proton, it requires a huge amount of energy to make these particles that can only be achieved at particle accelerators. The Tevatron was actively looking for evidence of the production of supersymmetric particles before it was shut down on 30 September 2011. Most physicists believe that supersymmetry must be discovered at the LHC if it is responsible for stabilizing the weak scale. There are five classes of particle that superpartners of the Standard Model fall into: squarks, gluinos, charginos, neutralinos, and sleptons. These superparticles have their interactions and subsequent decays described by the MSSM and each has characteristic signatures.The MSSM imposes R-parity to explain the stability of the proton. It adds supersymmetry breaking by introducing explicit soft supersymmetry breaking operators into the Lagrangian that is communicated to it by some unknown (and unspecified) dynamics. This means that there are 120 new parameters in the MSSM. Most of these parameters lead to unnacceptable phenomenology such as large flavor changing neutral currents or large electric dipole moments for the neutron and electron. To avoid these problems, the MSSM takes all of the soft supersymmetry breaking to be diagonal in flavor space and for all of the new CP violating phases to vanish.".
- Minimal_Supersymmetric_Standard_Model thumbnail MSSM_Flavor_Changing.svg?width=300.
- Minimal_Supersymmetric_Standard_Model wikiPageExternalLink s046.pdf.
- Minimal_Supersymmetric_Standard_Model wikiPageExternalLink theme3.py?level=1&index1=231444.
- Minimal_Supersymmetric_Standard_Model wikiPageID "606970".
- Minimal_Supersymmetric_Standard_Model wikiPageRevisionID "600371892".
- Minimal_Supersymmetric_Standard_Model hasPhotoCollection Minimal_Supersymmetric_Standard_Model.
- Minimal_Supersymmetric_Standard_Model subject Category:Particle_physics.
- Minimal_Supersymmetric_Standard_Model subject Category:Physics_beyond_the_Standard_Model.
- Minimal_Supersymmetric_Standard_Model subject Category:Supersymmetry.
- Minimal_Supersymmetric_Standard_Model comment "The Minimal Supersymmetric Standard Model (MSSM) is a minimal extension to the Standard Model that realizes supersymmetry, although non-minimal extensions do exist. Supersymmetry pairs bosons with fermions; therefore every Standard Model particle has a partner that has yet to be discovered.".
- Minimal_Supersymmetric_Standard_Model label "Minimal Supersymmetric Standard Model".
- Minimal_Supersymmetric_Standard_Model label "Minimales supersymmetrisches Standardmodell".
- Minimal_Supersymmetric_Standard_Model label "Minimalny supersymetryczny model standardowy".
- Minimal_Supersymmetric_Standard_Model label "نموذج عياري فائق التناظر الأصغر".
- Minimal_Supersymmetric_Standard_Model sameAs Minimales_supersymmetrisches_Standardmodell.
- Minimal_Supersymmetric_Standard_Model sameAs 최소_초대칭_표준_모형.
- Minimal_Supersymmetric_Standard_Model sameAs Minimalny_supersymetryczny_model_standardowy.
- Minimal_Supersymmetric_Standard_Model sameAs m.02vy92.
- Minimal_Supersymmetric_Standard_Model sameAs Q593810.
- Minimal_Supersymmetric_Standard_Model sameAs Q593810.
- Minimal_Supersymmetric_Standard_Model wasDerivedFrom Minimal_Supersymmetric_Standard_Model?oldid=600371892.
- Minimal_Supersymmetric_Standard_Model depiction MSSM_Flavor_Changing.svg.
- Minimal_Supersymmetric_Standard_Model isPrimaryTopicOf Minimal_Supersymmetric_Standard_Model.
