TY - JOUR AU - CDF Collaboration (Aaltonen, T. et al AU - Cabrera, S. PY - 2010 DA - 2010// TI - Updated search for the flavor-changing neutral-current decay D-0 -> mu(+)mu(-) in p(p)over-bar collisions at root s=1.96 TeV T2 - Phys. Rev. D JO - Physical Review D SP - 091105 EP - 8pp VL - 82 IS - 9 PB - Amer Physical Soc AB - We report on a search for the flavor-changing neutral-current decay D-0 -> mu(+)mu(-) in p (p) over bar collisions at root s = 1.96 TeV using 360 pb(-1) of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron collider. A displaced vertex trigger selects long-lived D-0 candidates in the mu(+)mu(-), pi(+)pi(-), and K-pi(+) decay modes. We use the Cabibbo-favored D-0 -> K-pi(+) channel to optimize the selection criteria in an unbiased manner, and the kinematically similar D-0 -> pi(+)pi(-) channel for normalization. We set an upper limit on the branching fraction B(D-0 -> mu(+)mu(-)) < 2.1 X 10(-7) (3.0 X 10(-7)) at the 90% (95%) confidence level. SN - 1550-7998 UR - http://arXiv.org/abs/1008.5077 UR - https://doi.org/10.1103/PhysRevD.82.091105 DO - 10.1103/PhysRevD.82.091105 LA - English N1 - ISI:000284049300003 ID - CDFCollaborationAaltonen+Cabrera2010 ER -