✎ Flavor Democracy [The Physics Travel Guide]

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====== Flavor Democracy ======

Flavor democracy is one of the most attractive approaches to explain the observed mass and mixing angles pattern of the standard model.

It was already [[http://www.sciencedirect.com/science/article/pii/0370269378904859?via%3Dihub|noted in 1978]] that a Yukawa matrix where all entries are the same, i.e. democratic, yields one important aspect of the flavor puzzle automatically: the heaviness of the third generation. In addition, adding a small perturbation to this democratic ansatz yields successfull relations between the masses and mixing angles.

In addition, there is a [[https://arxiv.org/pdf/hep-ph/0505220.pdf|close relationship to the (in)famous Koide formula]] and other popular solutions of the flavor problem, [[http://www.sciencedirect.com/science/article/pii/0370269389906667?via%3Dihub|called Fritzsch textures]]. 
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<note tip>
Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party.
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<tabbox Student>

* [[http://www.sciencedirect.com/science/article/pii/0370269378904859?via%3Dihub|Original Paper: Quark masses and cabibbo angles]] by Haim Harari et. al.
  * Essential Review: [[http://www.sciencedirect.com/science/article/pii/S0146641011000068?via%3Dihub|Mass and flavor mixing schemes of quarks and leptons]] by Harald Fritzsch, Zhi-zhong Xing
 
<tabbox Researcher>

<note tip>
The motto in this section is: //the higher the level of abstraction, the better//.
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