%O © 2006 The American Physical Society %D 2006 %V 96 %I AMERICAN PHYSICAL SOC %L discovery1308504 %N 17 %T Measurement of the branching fraction, polarization, and CP asymmetry for B-0 ->rho(+)rho(-) decays, and determination of the Cabibbo-Kobayashi-Maskawa phase phi(2) %A A Somov %A AJ Schwartz %A K Abe %A K Abe %A I Adachi %A H Aihara %A D Anipko %A K Arinstein %A Y Asano %A V Aulchenko %A T Aushev %A T Aziz %A S Bahinipati %A AM Bakich %A V Balagura %A A Bay %A I Bedny %A K Belous %A U Bitenc %A I Bizjak %A S Blyth %A A Bondar %A A Bozek %A M Bracko %A J Brodzicka %A TE Browder %A MC Chang %A P Chang %A Y Chao %A A Chen %A WT Chen %A BG Cheon %A R Chistov %A SK Choi %A Y Choi %A YK Choi %A A Chuvikov %A S Cole %A J Dalseno %A M Dash %A J Dragic %A A Drutskoy %A S Eidelman %A D Epifanov %A N Gabyshev %A A Garmash %A T Gershon %A A Go %A G Gokhroo %A B Golob %A K Hara %A T Hara %A NC Hastings %A K Hayasaka %A H Hayashii %A M Hazumi %A Y Hoshi %A S Hou %A WS Hou %A YB Hsiung %A T Iijima %A K Ikado %A K Inami %A A Ishikawa %A H Ishino %A R Itoh %A M Iwasaki %A Y Iwasaki %A JH Kang %A P Kapusta %A N Katayama %A H Kawai %A T Kawasaki %A H Kichimi %A HJ Kim %A SK Kim %A SM Kim %A K Kinoshita %A S Korpar %A P Krizan %A P Krokovny %A CC Kuo %A A Kusaka %A A Kuzmin %A YJ Kwon %A G Leder %A T Lesiak %A J Li %A A Limosani %A SW Lin %A J MacNaughton %A F Mandl %A D Marlow %A T Matsumoto %A W Mitaroff %A K Miyabayashi %A H Miyake %A H Miyata %A Y Miyazaki %A R Mizuk %A D Mohapatra %A Y Nagasaka %A M Nakao %A Z Natkaniec %A S Nishida %A O Nitoh %A S Noguchi %A S Ogawa %A T Ohshima %A T Okabe %A S Okuno %A SL Olsen %A W Ostrowicz %A H Ozaki %A H Palka %A CW Park %A H Park %A R Pestotnik %A LE Piilonen %A A Poluektov %A Y Sakai %A TR Sarangi %A N Sato %A T Schietinger %A O Schneider %A C Schwanda %A R Seidl %A K Senyo %A ME Sevior %A M Shapkin %A H Shibuya %A B Shwartz %A V Sidorov %A A Sokolov %A N Soni %A S Stanic %A M Staric %A T Sumiyoshi %A S Suzuki %A O Tajima %A F Takasaki %A K Tamai %A N Tamura %A M Tanaka %A GN Taylor %A Y Teramoto %A XC Tian %A K Trabelsi %A T Tsuboyama %A T Tsukamoto %A S Uehara %A T Uglov %A K Ueno %A Y Unno %A S Uno %A P Urquijo %A Y Ushiroda %A Y Usov %A G Varner %A S Villa %A CH Wang %A MZ Wang %A Y Watanabe %A E Won %A QL Xie %A BD Yabsley %A A Yamaguchi %A M Yamauchi %A J Ying %A LM Zhang %A ZP Zhang %A V Zhilich %A Belle Collaboration %J PHYS REV LETT %K VIOLATION, IMPACT, BELLE %X We have measured the branching fraction B, longitudinal polarization fraction f(L), and CP asymmetry coefficients A and S for B-0->rho(+)rho(-) decays with the Belle detector at the KEKB e(+)e(-) collider using 253 fb(-1) of data. We obtain B=[22.8 +/- 3.8(stat)(-2.6)(+2.3)(syst)]x10(-6), f(L)=0.941(-0.040)(+0.034)(stat)+/- 0.030(syst), A=0.00 +/- 0.30(stat)+/- 0.09(syst), and S=0.08 +/- 0.41(stat)+/- 0.09(syst). These values are used to constrain the Cabibbo-Kobayashi-Maskawa phase phi(2); the solution consistent with the standard model is phi(2)=(88 +/- 17)degrees or 59 degrees <phi 2 < 115 degrees at 90% C.L.