Z 0-tagged quark jets at the large hadron collider G. J. Kunde, H. van Hecke, K. Hessler and C. Mironov Eur. Phys. J. C, 61 4 (2009) 785-788 Published online: 27 February 2009 DOI: 10.1140/epjc/s10052-009-0955-9