New observational constraints on f(T) gravity from cosmic chronometers
  We use the local value of the Hubble constant recently measured with 2.4%
precision, as well as the latest compilation of cosmic chronometers data,
together with standard probes such as Supernovae Type Ia and Baryon Acoustic
Oscillation distance measurements, in order to impose constraints on the viable
and most used f(T) gravity models, where T is the torsion scalar in
teleparallel gravity. In particular, we consider three f(T) models with two
parameters, out of which one is independent, and we quantify their deviation
from $\Lambda$CDM cosmology through a sole parameter. Our analysis reveals that
for one of the models a small but non-zero deviation from $\Lambda$CDM
cosmology is slightly favored, while for the other models the best fit is very
close to $\Lambda$CDM scenario. Clearly, f(T) gravity is consistent with
observations, and it can serve as a candidate for modified gravity.
