R. Yamamoto

Improved measurement of the 'head-tail' effect in nuclear recoils

S. Ahlen, R. Vanderspek, H. Wellenstein, 2008, 0801.2687.

Observation of the 'head-tail' effect in nuclear recoils of low-energy neutrons

S. Ahlen, G. Sciolla, R. Lanza, 2007, 0708.2370.