Erratum: Pion linac as an energy-tagged<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ν</mml:mi></mml:math>source [Phys. Rev. ST Accel. Beams<b>11</b>, 124701 (2008)]
Physical review special topics. Accelerators and beams