1 INTRODUCTION  
2 DATA AND MOCKS  
2.1 The SDSS III BOSS data  
2.2 The mock survey catalogues  
2.3 Fiducial Cosmology  
3 MEASURING POWER SPECTRUM MOMENTS  
4 THE POWER SPECTRUM MULTIPOLES  
5 MODELLING THE POWER SPECTRUM MULTIPOLES  
5.1 The bias model  
5.2 Modelling the redshift space distortions  
5.3 The Alcock-Paczynski effect  
5.4 The survey geometry  
6 PARAMETER ESTIMATION  
6.1 Covariance Matrices  
6.2 Best-fit and error estimation  
6.3 Tests for the galaxy mocks  
7 BOSS DR12 MEASUREMENTS  
7.1 Dependence with cosmology  
7.2 Comparison of \(f\sigma_{8}\) with other DR11 BOSS Data Releases analyses  
7.3 Comparison of the geometrical AP parameters with other DR12 BOSS Data Releases analyses  
7.4 Comparison with other galaxy surveys  
7.5 Correlated Measurements  
8 CONCLUSIONS