Spin-half fermions with mass dimension one: theory, phenomenology, and dark matter
By D. V. Ahluwalia-Khalilova, D. Grumiller. 2004
239 citations recorded by the source corpus.
We provide the first details on the unexpected theoretical discovery of a spin-one-half matter field with mass dimension one. It is based upon a complete set of dual-helicity eigenspinors of the charge conjugation operator. Due to its unusual properties with respect to charge conjugation and parity, it belongs to a non-standard Wigner class. Consequently, the theory exhibits non-locality with . We briefly discuss its relevance to the cosmological ‘horizon problem’. Because the introduced fermionic field is endowed with mass dimension one, it can carry a quartic self-interaction. Its dominant interaction with known forms of matter is via Higgs, and with gravity. This aspect leads us to contemplate the new fermion as a prime dark matter candidate. Taking this suggestion seriously we study a supernova-like explosion of a galactic-mass dark matter cloud to set limits on the mass of the new particle and present a calculation on relic abundance to constrain the relevant cross-section. The analysis favours light mass (roughly 20 MeV) and relevant cross-section of about 2 pb. Similarities and differences with the WIMP and mirror matter proposals for dark matter are enumerated. In a critique of the theory we reveal a hint on non-commutative aspects of spacetime, and energy–momentum space.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/39b78a52f1f61d9579b84f817e3cd2b18268be28
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Citations in the corpus
- An Introduction to Clifford Algebras and Spinors (2016, background): “Majorana spinor (Majorana, 1932) and Elko dark spinors are elements of the fifth class (da Rocha and Rodrigues, 2006; Ahluwalia and Grumiller, 2005; Ahluwalia, Lee, and Schritt, 2010; da Rocha and da Silva, 2009; da Rocha and da Silva, 2010; Cavalcanti, 2014; da Rocha and da Silva, 2014).”