Exirifard, Ghasem2006-05-112011-09-072006-05-112011-09-072006-05-11JHEP 0610 (2006) 070https://openscience.sissa.it/handle/1963/1826The linear alpha-prime corrections and the field redefinition ambiguities are studied for half-BPS singular backgrounds representing a wrapped fundamental string. It is shown that there exist schemes in which the inclusion of all the linear alpha-prime corrections converts these singular solutions to black holes with regular horizon for which the modified Hawking-Bekenstein entropy is in agreement with the statistical entropy.231511 bytesapplication/pdfen-USThe alpha-prime stretched horizon in Heterotic stringPreprint