Am I old enough to go on the California Screamin at Disneyland alone?

I am 12 years old (practically 13) and 5ft 1inch ... i really want to go on this ride but my mom is too scared to go on it so i want to try to go on it alone but can i with my size and age? oh and for the people that did go on this ride before, can u give me some tips on the loop? like is it scary like do u get nauses or stuff like that? thanks:)