%X We report searches for B-meson decays to the charmless final states rho K-* and f(0)(980)K-* with a sample of 232x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II e(+)e(-) collider. We measure in units of 10(-6) the following branching fractions, where the first error quoted is statistical and the second systematic, or upper limits are given at the 90% confidence level : B(B+->rho K-0(*+))< 6.1, B(B+->rho K-+(*0))=9.6 +/- 1.7 +/- 1.5, B(B-0 ->rho K--(*+))< 12.0, B(B-0 ->rho K-0(*0))=5.6 +/- 0.9 +/- 1.3, B(B+-> f(0)(980)K*+)=5.2 +/- 1.2 +/- 0.5, and B(B-0 -> f(0)(980)K-*0)< 4.3. For the significant modes, we also measure the fraction of longitudinal polarization and the charge asymmetry: f(L)(B+->rho K-+(*0))=0.52 +/- 0.10 +/- 0.04, f(L)(B-0 ->rho K-0(*0))=0.57 +/- 0.09 +/- 0.08, A(CP)(B+->rho K-+(*0))=-0.01 +/- 0.16 +/- 0.02, A(CP)(B-0 ->rho K-0(*0))=0.09 +/- 0.19 +/- 0.02, and A(CP)(B+-> f(0)(980)K*+)=-0.34 +/- 0.21 +/- 0.03. %J PHYS REV LETT %A B Aubert %A R Barate %A M Bona %A D Boutigny %A F Couderc %A Y Karyotakis %A JP Lees %A V Poireau %A V Tisserand %A A Zghiche %A E Grauges %A A Palano %A JC Chen %A ND Qi %A G Rong %A P Wang %A YS Zhu %A G Eigen %A I Ofte %A B Stugu %A GS Abrams %A M Battaglia %A DN Brown %A J Button-Shafer %A RN Cahn %A E Charles %A MS Gill %A Y Groysman %A RG Jacobsen %A JA Kadyk %A LT Kerth %A YG Kolomensky %A G Kukartsev %A G Lynch %A LM Mir %A TJ Orimoto %A M Pripstein %A NA Roe %A MT Ronan %A WA Wenzel %A PD Sanchez %A M Barrett %A KE Ford %A TJ Harrison %A AJ Hart %A CM Hawkes %A SE Morgan %A AT Watson %A T Held %A H Koch %A B Lewandowski %A M Pelizaeus %A K Peters %A T Schroeder %A M Steinke %A JT Boyd %A JP Burke %A WN Cottingham %A D Walker %A T Cuhadar-Donszelmann %A BG Fulsom %A C Hearty %A NS Knecht %A TS Mattison %A JA McKenna %A A Khan %A P Kyberd %A M Saleem %A DJ Sherwood %A L Teodorescu %A VE Blinov %A AD Bukin %A VP Druzhinin %A VB Golubev %A AP Onuchin %A SI Serednyakov %A YI Skovpen %A EP Solodov %A KY Todyshev %A DS Best %A M Bondioli %A M Bruinsma %A M Chao %A S Curry %A I Eschrich %A D Kirkby %A AJ Lankford %A P Lund %A M Mandelkern %A RK Mommsen %A W Roethel %A DP Stoker %A S Abachi %A C Buchanan %A SD Foulkes %A JW Gary %A O Long %A BC Shen %A K Wang %A L Zhang %A HK Hadavand %A EJ Hill %A HP Paar %A S Rahatlou %A V Sharma %A JW Berryhill %A C Campagnari %A A Cunha %A B Dahmes %A TM Hong %A D Kovalskyi %A JD Richman %A TW Beck %A AM Eisner %A CJ Flacco %A CA Heusch %A J Kroseberg %A WS Lockman %A G Nesom %A T Schalk %A BA Schumm %A A Seiden %A P Spradlin %A DC Williams %A MG Wilson %A J Albert %A E Chen %A A Dvoretskii %A F Fang %A DG Hitlin %A I Narsky %A T Piatenko %A FC Porter %A A Ryd %A A Samuel %A G Mancinelli %A BT Meadows %A K Mishra %A MD Sokoloff %A F Blanc %A PC Bloom %A S Chen %A WT Ford %A JF Hirschauer %A A Kreisel %A M Nagel %A U Nauenberg %A A Olivas %A WO Ruddick %A JG Smith %A KA Ulmer %A SR Wagner %A J Zhang %A A Chen %A EA Eckhart %A A Soffer %A WH Toki %A RJ Wilson %A F Winklmeier %A Q Zeng %A DD Altenburg %A E Feltresi %A A Hauke %A H Jasper %A A Petzold %A B Spaan %A T Brandt %A V Klose %A HM Lacker %A WF Mader %A R Nogowski %A J Schubert %A KR Schubert %A R Schwierz %A JE Sundermann %A A Volk %A D Bernard %A GR Bonneaud %A P Grenier %A E Latour %A C Thiebaux %A M Verderi %A PJ Clark %A W Gradl %A F Muheim %A S Playfer %A AI Robertson %A Y Xie %A M Andreotti %A D Bettoni %A C Bozzi %A R Calabrese %A G Cibinetto %A E Luppi %A M Negrini %A A Petrella %A L Piemontese %A E Prencipe %A F Anulli %A R Baldini-Ferroli %A A Calcaterra %A R de Sangro %A G Finocchiaro %A S Pacetti %A P Patteri %A IM Peruzzi %A M Piccolo %A M Rama %A A Zallo %A A Buzzo %A R Capra %A R Contri %A M Lo Vetere %A MM Macri %A MR Monge %A S Passaggio %A C Patrignani %A E Robutti %A A Santroni %A S Tosi %A G Brandenburg %A KS Chaisanguanthum %A M Morii %A J Wu %A RS Dubitzky %A J Marks %A S Schenk %A U Uwer %A DJ Bard %A W Bhimji %A DA Bowerman %A PD Dauncey %A U Egede %A RL Flack %A JA Nash %A MB Nikolich %A WP Vazquez %A PK Behera %A X Chai %A MJ Charles %A U Mallik %A NT Meyer %A V Ziegler %A J Cochran %A HB Crawley %A L Dong %A V Eyges %A WT Meyer %A S Prell %A EI Rosenberg %A AE Rubin %A AV Gritsan %A AG Denig %A M Fritsch %A G Schott %A N Arnaud %A M Davier %A G Grosdidier %A A Hocker %A F Le Diberder %A V Lepeltier %A AM Lutz %A A Oyanguren %A S Pruvot %A S Rodier %A P Roudeau %A MH Schune %A A Stocchi %A WF Wang %A G Wormser %A CH Cheng %A DJ Lange %A DM Wright %A CA Chavez %A IJ Forster %A JR Fry %A E Gabathuler %A R Gamet %A KA George %A DE Hutchcroft %A DJ Payne %A KC Schofield %A C Touramanis %A AJ Bevan %A F Di Lodovico %A W Menges %A R Sacco %A G Cowan %A HU Flaecher %A DA Hopkins %A PS Jackson %A TR McMahon %A S Ricciardi %A F Salvatore %A AC Wren %A DN Brown %A CL Davis %A J Allison %A NR Barlow %A RJ Barlow %A YM Chia %A CL Edgar %A GD Lafferty %A MT Naisbit %A JC Williams %A JI Yi %A C Chen %A WD Hulsbergen %A A Jawahery %A CK Lae %A DA Roberts %A G Simi %A G Blaylock %A C Dallapiccola %A SS Hertzbach %A X Li %A TB Moore %A S Saremi %A H Staengle %A R Cowan %A G Sciolla %A SJ Sekula %A M Spitznagel %A F Taylor %A RK Yamamoto %A H Kim %A SE Mclachlin %A PM Patel %A SH Robertson %A A Lazzaro %A V Lombardo %A F Palombo %A JM Bauer %A L Cremaldi %A V Eschenburg %A R Godang %A R Kroeger %A DA Sanders %A DJ Summers %A HW Zhao %A S Brunet %A D Cote %A M Simard %A P Taras %A FB Viaud %A H Nicholson %A N Cavallo %A G De Nardo %A F Fabozzi %A C Gatto %A L Lista %A D Monorchio %A P Paolucci %A D Piccolo %A C Sciacca %A M Baak %A G Raven %A HL Snoek %A CP Jessop %A JM LoSecco %A T Allmendinger %A G Benelli %A KK Gan %A K Honscheid %A D Hufnagel %A PD Jackson %A H Kagan %A R Kass %A AM Rahimi %A R Ter-Antonyan %A QK Wong %A NL Blount %A J Brau %A R Frey %A O Igonkina %A M Lu %A R Rahmat %A NB Sinev %A D Strom %A J Strube %A E Torrence %A A Gaz %A M Margoni %A M Morandin %A A Pompili %A M Posocco %A M Rotondo %A F Simonetto %A R Stroili %A C Voci %A M Benayoun %A J Chauveau %A H Briand %A P David %A L Del Buono %A C de la Vaissiere %A O Hamon %A BL Hartfiel %A MJJ John %A P Leruste %A J Malcles %A J Ocariz %A L Roos %A G Therin %A L Gladney %A J Panetta %A M Biasini %A R Covarelli %A C Angelini %A G Batignani %A S Bettarini %A F Bucci %A G Calderini %A M Carpinelli %A R Cenci %A F Forti %A MA Giorgi %A A Lusiani %A G Marchiori %A MA Mazur %A M Morganti %A N Neri %A E Paoloni %A G Rizzo %A JJ Walsh %A M Haire %A D Judd %A DE Wagoner %A J Biesiada %A N Danielson %A P Elmer %A YP Lau %A C Lu %A J Olsen %A AJS Smith %A AV Telnov %A F Bellini %A G Cavoto %A A D'Orazio %A D del Re %A E Di Marco %A R Faccini %A F Ferrarotto %A F Ferroni %A M Gaspero %A LL Gioi %A MA Mazzoni %A S Morganti %A G Piredda %A F Polci %A FS Tehrani %A C Voena %A M Ebert %A H Schroder %A R Waldi %A T Adye %A N De Groot %A B Franek %A EO Olaiya %A FF Wilson %A R Aleksan %A S Emery %A M Escalier %A A Gaidot %A SF Ganzhur %A G Hamel de Monchenault %A W Kozanecki %A M Legendre %A G Vasseur %A C Yeche %A M Zito %A XR Chen %A H Liu %A W Park %A MV Purohit %A JR Wilson %A MT Allen %A D Aston %A R Bartoldus %A P Bechtle %A N Berger %A R Claus %A JP Coleman %A MR Convery %A M Cristinziani %A JC Dingfelder %A J Dorfan %A GP Dubois-Felsmann %A D Dujmic %A W Dunwoodie %A RC Field %A T Glanzman %A SJ Gowdy %A MT Graham %A V Halyo %A C Hast %A T Hryn'ova %A WR Innes %A MH Kelsey %A P Kim %A DWGS Leith %A S Li %A S Luitz %A V Luth %A HL Lynch %A DB MacFarlane %A H Marsiske %A R Messner %A DR Muller %A CP O'Grady %A VE Ozcan %A A Perazzo %A M Perl %A T Pulliam %A BN Ratcliff %A A Roodman %A AA Salnikov %A RH Schindler %A J Schwiening %A A Snyder %A J Stelzer %A D Su %A MK Sullivan %A K Suzuki %A SK Swain %A JM Thompson %A J Va'vra %A N van Bakel %A M Weaver %A AJR Weinstein %A WJ Wisniewski %A M Wittgen %A DH Wright %A AK Yarritu %A K Yi %A CC Young %A PR Burchat %A AJ Edwards %A SA Majewski %A BA Petersen %A C Roat %A L Wilden %A S Ahmed %A MS Alam %A R Bula %A JA Ernst %A V Jain %A B Pan %A MA Saeed %A FR Wappler %A SB Zain %A W Bugg %A M Krishnamurthy %A SM Spanier %A R Eckmann %A JL Ritchie %A A Satpathy %A CJ Schilling %A RF Schwitters %A JM Izen %A XC Lou %A S Ye %A F Bianchi %A F Gallo %A D Gamba %A M Bomben %A L Bosisio %A C Cartaro %A F Cossutti %A G Della Ricca %A S Dittongo %A L Lanceri %A L Vitale %A V Azzolini %A F Martinez-Vidal %A S Banerjee %A B Bhuyan %A CM Brown %A D Fortin %A K Hamano %A R Kowalewski %A IM Nugent %A JM Roney %A RJ Sobie %A JJ Back %A PF Harrison %A TE Latham %A GB Mohanty %A M Pappagallo %A HR Band %A X Chen %A B Cheng %A S Dasu %A M Datta %A KT Flood %A JJ Hollar %A PE Kutter %A H Li %A B Mellado %A A Mihalyi %A Y Pan %A M Pierini %A R Prepost %A SL Wu %A Z Yu %A H Neal %A Babar Collaboration %T Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B ->rho K-* and b -> f(0)(980)K-* decays %N 20 %L discovery1303814 %I AMERICAN PHYSICAL SOC %V 97 %D 2006 %O © 2006 The American Physical Society