TY - JOUR AU - 천병구 DA - 2013/01 PY - 2013 UR - https://www.sciencedirect.com/science/article/pii/S0370269313000579?via%3Dihub UR - http://hdl.handle.net/20.500.11754/50453 AB - We search for lepton-flavor and lepton-number-violating tau decays into a lepton (l = electron or muon) and two charged mesons (h, h' = pi(+/-) or K-+/-) using 854 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain 90% confidence level upper limits on the tau -> lhh' branching fractions in the range (2.0-8.4) x 10(-8). These results improve upon our previously published upper limits by factors of about 1.8 on average. (c) 2013 Elsevier B.V. All rights reserved. PB - Elsevier Science B.V KW - BELLE KW - COLLISIONS KW - IDENTIFICATION KW - SIMULATION KW - JETS KW - KEKB TI - Search for lepton-flavor and lepton-number-violating tau -˃ lhh ' decay modes IS - 4-5 VL - 719 DO - 10.1016/j.physletb.2013.01.032 T2 - PHYSICS LETTERS B ER -