  The circumgalactic medium (CGM) is the location where the interplay between
large-scale outflows and accretion onto galaxies occurs. Metals in different
ionization states flowing between the circumgalactic and intergalactic mediums
are affected by large galactic outflows and low-ionization state inflowing gas.
Observational studies on their spatial distribution and their relation with
galaxy properties may provide important constraints on models of galaxy
formation and evolution. To provide new insights into the spatial distribution
of the circumgalactic of star-forming galaxies, we select a sample of 238 close
pairs at $1.5 < z <4.5$ ($\langle z\rangle\sim$2.6) from the VIMOS Ultra Deep
Survey. We then generate composite spectra by co-adding spectra of $background$
galaxies that provide different sight-lines across the CGM to examine the
spatial distribution of the gas located around these galaxies and investigate
possible correlations between the strength of the low- and high-ionization
absorption features with different galaxy properties. We detect C II, Si II, Si
IV and C IV) up to separations $\langle b \rangle=$ 172 kpc and 146 kpc. Our
$W_{0}$ radial profiles suggest a potential redshift evolution for the CGM gas
content producing these absorptions. We find a correlation between C II and C
IV with star formation rate, stellar mass and trends with galaxy size estimated
by the effective radius and azimuthal angle. Galaxies with high star formation
rate show stronger C IV absorptions compared with star-forming galaxies with
low SFR and low stellar mass. These results could be explained by stronger
outflows, softer radiation fields unable to ionize high-ionization state lines
or by the galactic fountain scenario where metal-rich gas ejected from previous
star-formation episodes fall back to the galaxy.
