Experimental constraints on the spin and parity of the Lambdac(2880)+.

Experimental constraints on the spin and parity of the Lambdac(2880)+. Research Abstract Details 

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Experimental constraints on the spin and parity of the Lambdac(2880)+. Abstract Text:

R Mizuk,K Abe,I Adachi,H Aihara,D Anipko,V Aulchenko,T Aushev,A M Bakich,V Balagura,E Barberio,A Bay,I Bedny,K Belous,U Bitenc,I Bizjak,S Blyth,A Bondar,A Bozek,M Bracko,J Brodzicka,T E Browder,M-C Chang,A Chen,K-F Chen,W T Chen,B G Cheon,R Chistov,Y Choi,Y K Choi,S Cole,J Dalseno,M Danilov,A Drutskoy,S Eidelman,D Epifanov,S Fratina,N Gabyshev,A Garmash,T Gershon,G Gokhroo,B Golob,H Ha,J Haba,K Hayasaka,H Hayashii,M Hazumi,D Heffernan,T Hokuue,Y Hoshi,S Hou,W-S Hou,T Iijima,K Ikado,A Imoto,K Inami,A Ishikawa,R Itoh,M Iwasaki,Y Iwasaki,H Kaji,J H Kang,P Kapusta,N Katayama,H R Khan,H Kichimi,Y J Kim,K Kinoshita,S Korpar,P Krizan,P Krokovny,R Kulasiri,R Kumar,C C Kuo,A Kuzmin,Y-J Kwon,G Leder,J Lee,M J Lee,S E Lee,T Lesiak,S-W Lin,D Liventsev,G Majumder,F Mandl,T Matsumoto,A Matyja,S McOnie,H Miyake,H Miyata,Y Miyazaki,M Nakao,Z Natkaniec,S Nishida,S Ogawa,T Ohshima,S Okuno,Y Onuki,H Ozaki,P Pakhlov,G Pakhlova,H Park,K S Park,L S Peak,R Pestotnik,L E Piilonen,Y Sakai,N Satoyama,O Schneider,J ,R Seidl,K Senyo,M E Sevior,M Shapkin,H Shibuya,J B Singh,A Somov,N Soni,S Stanic,M Staric,H Stoeck,S Y Suzuki,F Takasaki,K Tamai,M Tanaka,G N Taylor,Y Teramoto,X C Tian,I Tikhomirov,T Tsuboyama,T Tsukamoto,S Uehara,T Uglov,K Ueno,S Uno,P Urquijo,Y Usov,G Varner,S Villa,C H Wang,Y Watanabe,E Won,Q L Xie,B D Yabsley,A Yamaguchi,Y Yamashita,M Yamauchi,C Z Yuan,L M Zhang,Z P Zhang,V Zhilich,A Zupanc, ,R Mizuk,K Abe,I Adachi,H Aihara,D Anipko,V Aulchenko,T Aushev,A M Bakich,V Balagura,E Barberio,A Bay,I Bedny,K Belous,U Bitenc,I Bizjak,S Blyth,A Bondar,A Bozek,M Bracko,J Brodzicka,T E Browder,M-C Chang,A Chen,K-F Chen,W T Chen,B G Cheon,R Chistov,Y Choi,Y K Choi,S Cole,J Dalseno,M Danilov,A Drutskoy,S Eidelman,D Epifanov,S Fratina,N Gabyshev,A Garmash,T Gershon,G Gokhroo,B Golob,H Ha,J Haba,K Hayasaka,H Hayashii,M Hazumi,D Heffernan,T Hokuue,Y Hoshi,S Hou,W-S Hou,T Iijima,K Ikado,A Imoto,K Inami,A Ishikawa,R Itoh,M Iwasaki,Y Iwasaki,H Kaji,J H Kang,P Kapusta,N Katayama,H R Khan,H Kichimi,Y J Kim,K Kinoshita,S Korpar,P Krizan,P Krokovny,R Kulasiri,R Kumar,C C Kuo,A Kuzmin,Y-J Kwon,G Leder,J Lee,M J Lee,S E Lee,T Lesiak,S-W Lin,D Liventsev,G Majumder,F Mandl,T Matsumoto,A Matyja,S McOnie,H Miyake,H Miyata,Y Miyazaki,M Nakao,Z Natkaniec,S Nishida,S Ogawa,T Ohshima,S Okuno,Y Onuki,H Ozaki,P Pakhlov,G Pakhlova,H Park,K S Park,L S Peak,R Pestotnik,L E Piilonen,Y Sakai,N Satoyama,O Schneider,J ,R Seidl,K Senyo,M E Sevior,M Shapkin,H Shibuya,J B Singh,A Somov,N Soni,S Stanic,M Staric,H Stoeck,S Y Suzuki,F Takasaki,K Tamai,M Tanaka,G N Taylor,Y Teramoto,X C Tian,I Tikhomirov,T Tsuboyama,T Tsukamoto,S Uehara,T Uglov,K Ueno,S Uno,P Urquijo,Y Usov,G Varner,S Villa,C H Wang,Y Watanabe,E Won,Q L Xie,B D Yabsley,A Yamaguchi,Y Yamashita,M Yamauchi,C Z Yuan,L M Zhang,Z P Zhang,V Zhilich,A Zupanc, ,

We report the results of several studies of the Lambda(c)(+)pi(+)pi(-)X final state in continuum e(+)e(-) annihilation data collected by the Belle detector. An analysis of angular distributions in Lambda(c)(2880)(+)-->Sigma(c)(2455)(0,++)pi(+,-) decays strongly favors a Lambda(c)(2880)(+) spin assignment of 5/2 over 3/2 or 1/2. We find evidence for Lambda(c)(2880)(+)-->Sigma(c)(2520)(0,++)pi(+,-) decay and measure the ratio of Lambda(c)(2880)(+) partial widths Gamma(Sigma(c)(2520)pi)/Gamma(Sigma(c)(2455)pi)=0.225+/-0.062+/-0.025. This value favors the Lambda(c)(2880)(+) spin-parity assignment of 5/2(+) over 5/2(-). We also report the first observation of Lambda(c)(2940)(+)-->Sigma(c)(2455)(0,++)pi(+,-) decay and measure Lambda(c)(2880)(+) and Lambda(c)(2940)(+) mass and width parameters. These studies are based on a 553 fb(-1) data sample collected at or near the Upsilon(4S) resonance at the KEKB collider.

Experimental constraints on the spin and parity of the Lambdac(2880)+. Publishing Authors By Initials

R Mizuk,K Abe,I Adachi,H Aihara,D Anipko,V Aulchenko,T Aushev,AM Bakich,V Balagura,E Barberio,A Bay,I Bedny,K Belous,U Bitenc,I Bizjak,S Blyth,A Bondar,A Bozek,M Bracko,J Brodzicka,TE Browder,MC Chang,A Chen,KF Chen,WT Chen,BG Cheon,R Chistov,Y Choi,YK Choi,S Cole,J Dalseno,M Danilov,A Drutskoy,S Eidelman,D Epifanov,S Fratina,N Gabyshev,A Garmash,T Gershon,G Gokhroo,B Golob,H Ha,J Haba,K Hayasaka,H Hayashii,M Hazumi,D Heffernan,T Hokuue,Y Hoshi,S Hou,WS Hou,T Iijima,K Ikado,A Imoto,K Inami,A Ishikawa,R Itoh,M Iwasaki,Y Iwasaki,H Kaji,JH Kang,P Kapusta,N Katayama,HR Khan,H Kichimi,YJ Kim,K Kinoshita,S Korpar,P Krizan,P Krokovny,R Kulasiri,R Kumar,CC Kuo,A Kuzmin,YJ Kwon,G Leder,J Lee,MJ Lee,SE Lee,T Lesiak,SW Lin,D Liventsev,G Majumder,F Mandl,T Matsumoto,A Matyja,S McOnie,H Miyake,H Miyata,Y Miyazaki,M Nakao,Z Natkaniec,S Nishida,S Ogawa,T Ohshima,S Okuno,Y Onuki,H Ozaki,P Pakhlov,G Pakhlova,H Park,KS Park,LS Peak,R Pestotnik,LE Piilonen,Y Sakai,N Satoyama,O Schneider,J ,R Seidl,K Senyo,ME Sevior,M Shapkin,H Shibuya,JB Singh,A Somov,N Soni,S Stanic,M Staric,H Stoeck,SY Suzuki,F Takasaki,K Tamai,M Tanaka,GN Taylor,Y Teramoto,XC Tian,I Tikhomirov,T Tsuboyama,T Tsukamoto,S Uehara,T Uglov,K Ueno,S Uno,P Urquijo,Y Usov,G Varner,S Villa,CH Wang,Y Watanabe,E Won,QL Xie,BD Yabsley,A Yamaguchi,Y Yamashita,M Yamauchi,CZ Yuan,LM Zhang,ZP Zhang,V Zhilich,A Zupanc, ,R Mizuk,K Abe,I Adachi,H Aihara,D Anipko,V Aulchenko,T Aushev,AM Bakich,V Balagura,E Barberio,A Bay,I Bedny,K Belous,U Bitenc,I Bizjak,S Blyth,A Bondar,A Bozek,M Bracko,J Brodzicka,TE Browder,MC Chang,A Chen,KF Chen,WT Chen,BG Cheon,R Chistov,Y Choi,YK Choi,S Cole,J Dalseno,M Danilov,A Drutskoy,S Eidelman,D Epifanov,S Fratina,N Gabyshev,A Garmash,T Gershon,G Gokhroo,B Golob,H Ha,J Haba,K Hayasaka,H Hayashii,M Hazumi,D Heffernan,T Hokuue,Y Hoshi,S Hou,WS Hou,T Iijima,K Ikado,A Imoto,K Inami,A Ishikawa,R Itoh,M Iwasaki,Y Iwasaki,H Kaji,JH Kang,P Kapusta,N Katayama,HR Khan,H Kichimi,YJ Kim,K Kinoshita,S Korpar,P Krizan,P Krokovny,R Kulasiri,R Kumar,CC Kuo,A Kuzmin,YJ Kwon,G Leder,J Lee,MJ Lee,SE Lee,T Lesiak,SW Lin,D Liventsev,G Majumder,F Mandl,T Matsumoto,A Matyja,S McOnie,H Miyake,H Miyata,Y Miyazaki,M Nakao,Z Natkaniec,S Nishida,S Ogawa,T Ohshima,S Okuno,Y Onuki,H Ozaki,P Pakhlov,G Pakhlova,H Park,KS Park,LS Peak,R Pestotnik,LE Piilonen,Y Sakai,N Satoyama,O Schneider,J ,R Seidl,K Senyo,ME Sevior,M Shapkin,H Shibuya,JB Singh,A Somov,N Soni,S Stanic,M Staric,H Stoeck,SY Suzuki,F Takasaki,K Tamai,M Tanaka,GN Taylor,Y Teramoto,XC Tian,I Tikhomirov,T Tsuboyama,T Tsukamoto,S Uehara,T Uglov,K Ueno,S Uno,P Urquijo,Y Usov,G Varner,S Villa,CH Wang,Y Watanabe,E Won,QL Xie,BD Yabsley,A Yamaguchi,Y Yamashita,M Yamauchi,CZ Yuan,LM Zhang,ZP Zhang,V Zhilich,A Zupanc, ,

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Experimental constraints on the spin and parity of the Lambdac(2880)+. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physical review letters

VOLUME: 98

Page Numbers: 262001

Journal Abbreviation: Phys. Rev. Lett.

ISSN: 0031-9007

DAY: 28

MONTH: 06

YEAR: 2007

Experimental constraints on the spin and parity of the Lambdac(2880)+. Information

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LANGUAGE: eng

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AFFILIATION: Institute for Theoretical and Experimental Physics, Moscow.

Country: United States

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