1: Dogged pamphlet for the auditor (7)
3: Toss a hammer into a nuclear accelerator! (4,7)
4: In contact with a Georgia institution (7)
5: Small songbirds destroyed mitt near diamond (7)
6: What's left when you burn the tree (3)
7: Before much time has elapsed a nobleman takes that over there (5,2)
8: Smallest small car, quite silent (7)
11: One final, huge Greek goddess (3)
12: Alice, Val or 10-across exploit lotus-eating? (2,5,4)
16: Without conclusion, demonstrate one true condition (7)
17: Wine from Greece brought back in canisters (7)
18: Reds die, but revolutionary lived (7)
19: Bullfighters' crazy rooster (7)
20: Drawing, for example, a bit of a cartoon (3)
21: They say I soar, giving fright (7)
25: Three kernels of copper-yellow grain (3)
27: God, transforming first day into last night, was received (3)