Chargino

Standard Model of particle physics
Elementary particles of the Standard Model
Background Particle physics Standard Model Quantum field theory Gauge theory Spontaneous symmetry breaking Higgs mechanism
Constituents Electroweak interaction Quantum chromodynamics CKM matrix Standard Model mathematics
Limitations Strong CP problem Hierarchy problem Neutrino oscillations Physics beyond the Standard Model
Scientists Rutherford Thomson Chadwick Bose Sudarshan Davis Jr Anderson Fermi Dirac Feynman Rubbia Gell-Mann Kendall Taylor Friedman Powell Anderson Glashow Iliopoulos Lederman Maiani Meer Cowan Nambu Chamberlain Cabibbo Schwartz Perl Majorana Weinberg Lee Ward Salam Kobayashi Maskawa Mills Yang Yukawa 't Hooft Veltman Gross Pais Pauli Politzer Reines Schwinger Wilczek Cronin Fitch Vleck Higgs Englert Brout Hagen Guralnik Kibble de Mayolo Lattes Zweig
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In particle physics, the chargino is a hypothetical particle which refers to the mass eigenstates of a charged superpartner, i.e. any new electrically charged fermion (with spin 1/2) predicted by supersymmetry.^[1][2] They are linear combinations of the charged wino and charged higgsinos. There are two charginos that are fermions and are electrically charged, which are typically labeled
C͂^±
₁ (the lightest) and
C͂^±
₂ (the heaviest), although sometimes ${\displaystyle {\tilde {\chi }}_{1}^{\pm }}$ and ${\displaystyle {\tilde {\chi }}_{2}^{\pm }}$ are also used to refer to charginos, when ${\displaystyle {\tilde {\chi }}_{i}^{0}}$ is used to refer to neutralinos. The heavier chargino can decay through the neutral Z boson to the lighter chargino. Both can decay through a charged W boson to a neutralino:

C͂^±
₂ →
C͂^±
₁ +
Z⁰

C͂^±
₂ →
N͂⁰
₂ +
W^±

C͂^±
₁ →
N͂⁰
₁ +
W^±

• List of hypothetical particles
• Weakly interacting slender particle

• http://lepsusy.web.cern.ch/lepsusy/www/inoslowdmsummer02/charginolowdm_pub.html
• Alloul, Adam; Frank, Mariana; Fuks, Benjamin; De Traubenberg, Michel Rausch (2013). "Chargino and neutralino production at the Large Hadron Collider in left-right supersymmetric models". Journal of High Energy Physics. 2013 (10): 033. arXiv:1307.5073. Bibcode:2013JHEP...10..033A. doi:10.1007/JHEP10(2013)033. S2CID 53978829.

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