https://doi.org/10.1140/epjc/s10052-013-2476-9
Regular Article - Experimental Physics
Effect of direct CP violation in charm on γ extraction from B
±→DK
±, 
Dalitz plot analysis
1
Budker Institute of Nuclear Physics SB RAS, Lavrentieva 11, Novosibirsk, 630090, Russia
2
Novosibirsk State University, Pirogova 2, Novosibirsk, 630090, Russia
3
ITEP, Bol. Cheremushkinskaya ul., 25, Moscow, 113259, Russia
4
Dipartimento di Fisica e Scienze della Terra, Universita degli Studi di Ferrara, Polo Scientifico e Tecnologico—Edificio C, via Saragat 1, 44122, Ferrara, Italy
5
Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara, Polo Scientifico e Tecnologico—Edificio C, via Saragat 1, 44122, Ferrara, Italy
6
Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
* e-mail: anton.poluektov@cern.ch
Received:
27
March
2013
Revised:
23
April
2013
Published online:
19
June
2013
A possible effect of direct CP violation in decay on the γ measurement from B
±→DK
±, Dalitz plot analysis is considered. Systematic uncertainty of γ coming from the current limits on direct CP violation in 
is estimated, and a modified model-independent procedure of B
±→DK
±, Dalitz plot analysis is proposed that gives an unbiased γ measurement even in presence of direct CP violation in charm decays. The technique is applicable to other three-body D decays such as 
, D
0→π
+
π
−
π
0, etc.
© Springer-Verlag Berlin Heidelberg and Società Italiana di Fisica, 2013
