1. Introduction

2. Data and sample
2.1. Spectroscopy with MUSE
2.2. Source extractions
2.3. Parent Lyα emitters sample
2.4. Our Lyα emitters selected with MUSE and public HST data

3. Ultraviolet continuum properties obtained with HST
3.2. Correlation between MUV and β
3.3. Redshift evolution of β

4. Accurate Lyα fluxes obtained with MUSE
4.1. Measurements of Lyα fluxes
4.2. MUV and LLyα

5. AGN activity in the sample

6. Distribution of Lyα equivalent widths and its evolution
6.3. Evolution of EW0 scale lengths
6.4. Assumption of flat β in estimates of EW0

7. Ando effect

8. Very large Lyα equivalent width Lyα emitters

9. Discussion
9.1. Limitations of this study
9.2. Lyα emission powered by star formation
9.3. Radiative transfer and EW0 boost
9.4. Other Lyα production channels

10. Summary and conclusions