Majoron information

Majoron
Composition	Elementary particle
Statistics	Bosonic
Family	Goldstone Boson
Status	Hypothetical
Symbol	J
Theorized	Y. Chikashige, R. N. Mohapatra, and R. D. Peccei
Mass	unknown
Electric charge	0 e
Spin	0

In particle physics, majorons (named after Ettore Majorana) are a hypothetical type of Goldstone boson that are conjectured to mediate the neutrino mass violation of lepton number or B − L in certain high energy collisions such as

e⁻
+
e⁻
→
W⁻
+
W⁻
+
J

Where two electrons collide to form two W bosons and the majoron J. The U(1)_B–L symmetry is assumed to be global so that the majoron is not "eaten up"^{[clarification needed]} by the gauge boson and spontaneously broken. Majorons were originally formulated in four dimensions by Y. Chikashige, R. N. Mohapatra and R. D. Peccei to understand neutrino masses by the seesaw mechanism and are being searched for in the neutrino-less double beta decay process. The name majoron was suggested by Graciela Gelmini as a derivative of the last name Majorana with the suffix -on typical of particle names like electron, proton, neutron, etc. There are theoretical extensions of this idea into supersymmetric theories and theories involving extra compactified dimensions. By propagating through the extra spatial dimensions the detectable number of majoron creation events vary accordingly. Mathematically, majorons may be modeled by allowing them to propagate through a material while all other Standard Model forces are fixed to an orbifold point.

^ Lattanzi, M. (2008). "Decaying Majoron Dark Matter and Neutrino Masses". AIP Conference Proceedings. 966 (1): 163–169. arXiv:0802.3155. Bibcode:2008AIPC..966..163L. doi:10.1063/1.2836988. S2CID 14555177.

[1] Lattanzi, M. (2008). "Decaying Majoron Dark Matter and Neutrino Masses". AIP Conference Proceedings. 966 (1): 163–169. arXiv:0802.3155. Bibcode:2008AIPC..966..163L. doi:10.1063/1.2836988. S2CID 14555177.

Majoron information

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Majoron

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Standard Model

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