Precision Measurement of Charged Pion and Kaon Differential Cross Sections ine+e−Annihilation ats=10.52 GeV
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Precision Measurement of Charged Pion and Kaon Differential Cross Sections ine+e−Annihilation ats=10.52 GeV

M. Leitgab,R. Seidl,M. Grosse Perdekamp,Anselm Vossen,I. Adachi,H. Aihara,D. M. Asner,V. Aulchenko,T. Aushev,A. M. Bakich,B. Bhuyan,A. Bondar,Andrzej Bożek,M. Bračko,Jolanta Brodzicka,T. E. Browder,V. Chekelian,A. Chen,Penglei Chen,B. G. Cheon,Kirill Chilikin,K. Cho,V. Chobanova,Yiyoung Choi,D. Cinabro,Jeremy Dalseno,Zbyněk Drásal,D. Dutta,S. Eidelman,D. Epifanov,H. Farhat,J. E. Fast,V. Gaur,N. Gabyshev,R. Gillard,F. Giordano,Y. M. Goh,Bostjan Golob,Junji Haba,K. Hayasaka,H. Hayashii,Y. Hoshi,W. -S. Hou,Yee Hsiung,H. J. Hyun,Toshiki Iijima,Akimasa Ishikawa,R. Itoh,W. W. Jacobs,T. Julius,Ju Hyung Kang,Piotr Kapusta,E. Kato,T. Kawasaki,Hea Ok Kim,Jin Bum Kim,Min Jung Kim,J. Klucar,B. R. Ko,Peter Kodyš,R. T. Kouzes,Peter Križan,Pavel Krokovny,RamanDeep Kumar,T. Kumita,Young Joo Kwon,J. S. Lange,Soohyung Lee,N. Nellikunnummel,Z. Q. Liu,D. Liventsev,D. Matvienko,K. Miyabayashi,H. Miyata,R. Mizuk,A. Moll,N. Muramatsu,E. Nakano,M. Nakao,Zbigniew Natkaniec,M. Nayak,E. Nedelkovska,C. Ng,N. K. Nisar,O. Nitoh,A. Ogawa,S. Ogawa,T. Ohshima,S. Okuno,S. L. Olsen,C. Oswald,Pavel Pakhlov,H. K. Park,T. K. Pedlar,R. Pestotnik,M. Petrič,Leo Piilonen,M. Röhrken,H. Sahoo,Y. Sakai,Saurabh Sandilya,L. Santelj,T. Sanuki,Y. Sato,Olivier Schneider,G. Schnell,C. Schwanda,K. Senyo,O. Seon,Martin Sevior,M. Shapkin,C. P. Shen,T. -A. Shibata,J. -G. Shiu,B. Shwartz,A. Sibidanov,Frank Simon,P. Smerkol,Y. -S. Sohn,A. Sokolov,Elena Solovieva,M. Starič,M. Sumihama,Takayuki Sumiyoshi,G. Tatishvili,Y. Teramoto,T. Tsuboyama,M. Uchida,T. Uglov,Y. Unno,S. Uno,Y. Usov,C. Van Hulse,G. Varner,V. Vorobyev,M. N. Wagner,C. H. Wang,J. Wang,Min-Zu Wang,P. Wang,M. Watanabe,K. M. Williams,E. Won,Y. Yamashita,V. Zhilich,V. Zhulanov,Belle Collaboration;M. Leitgab;R. Seidl;M. Grosse Perdekamp;Anselm Vossen;I. Adachi;H. Aihara;D. M. Asner;V. Aulchenko;T. Aushev;A. M. Bakich;B. Bhuyan;A. Bondar;Andrzej Bożek;M. Bračko;Jolanta Brodzicka;T. E. Browder;V. Chekelian;A. Chen;Penglei Chen;B. G. Cheon;Kirill Chilikin;K. Cho;V. Chobanova;Yiyoung Choi;D. Cinabro;Jeremy Dalseno;Zbyněk Drásal;D. Dutta;S. Eidelman;D. Epifanov;H. Farhat;J. E. Fast;V. Gaur;N. Gabyshev;R. Gillard;F. Giordano;Y. M. Goh;Bostjan Golob;Junji Haba;K. Hayasaka;H. Hayashii;Y. Hoshi;W. -S. Hou;Yee Hsiung;H. J. Hyun;Toshiki Iijima;Akimasa Ishikawa;R. Itoh;W. W. Jacobs;T. Julius;Ju Hyung Kang;Piotr Kapusta;E. Kato;T. Kawasaki;Hea Ok Kim;Jin Bum Kim;Min Jung Kim;J. Klucar;B. R. Ko;Peter Kodyš;R. T. Kouzes;Peter Križan;Pavel Krokovny;RamanDeep Kumar;T. Kumita;Young Joo Kwon;J. S. Lange;Soohyung Lee;N. Nellikunnummel;Z. Q. Liu;D. Liventsev;D. Matvienko;K. Miyabayashi;H. Miyata;R. Mizuk;A. Moll;N. Muramatsu;E. Nakano;M. Nakao;Zbigniew Natkaniec;M. Nayak;E. Nedelkovska;C. Ng;N. K. Nisar;O. Nitoh;A. Ogawa;S. Ogawa;T. Ohshima;S. Okuno;S. L. Olsen;C. Oswald;Pavel Pakhlov;H. K. Park;T. K. Pedlar;R. Pestotnik;M. Petrič;Leo Piilonen;M. Röhrken;H. Sahoo;Y. Sakai;Saurabh Sandilya;L. Santelj;T. Sanuki;Y. Sato;Olivier Schneider;G. Schnell;C. Schwanda;K. Senyo;O. Seon;Martin Sevior;M. Shapkin;C. P. Shen;T. -A. Shibata;J. -G. Shiu;B. Shwartz;A. Sibidanov;Frank Simon;P. Smerkol;Y. -S. Sohn;A. Sokolov;Elena Solovieva;M. Starič;M. Sumihama;Takayuki Sumiyoshi;G. Tatishvili;Y. Teramoto;T. Tsuboyama;M. Uchida;T. Uglov;Y. Unno;S. Uno;Y. Usov;C. Van Hulse;G. Varner;V. Vorobyev;M. N. Wagner;C. H. Wang;J. Wang;Min-Zu Wang;P. Wang;M. Watanabe;K. M. Williams;E. Won;Y. Yamashita;V. Zhilich;V. Zhulanov;Belle Collaboration;
physical review letters 2013 Vol. 111 pp. 062002-
241
collaboration2013physicalprecision

Abstract

Measurements of inclusive differential cross sections for charged pion and kaon production in e+e− annihilation have been carried out at a center-of-mass energy of s=10.52 GeV. The measurements were performed with the Belle detector at the KEKB e+e− collider using a data sample containing 113×106 e+e−→qq¯ events, where q={u,d,s,c}. We present charge-integrated differential cross sections dσh±/dz for h±={π±,K±} as a function of the relative hadron energy z=2Eh/s from 0.2 to 0.98. The combined statistical and systematic uncertainties for π± (K±) are 4% (4%) at z∼0.6 and 15% (24%) at z∼0.9. The cross sections are the first measurements of the z dependence of pion and kaon production for z>0.7 as well as the first precision cross section measurements at a center-of-mass energy far below the Z0 resonance used by the experiments at LEP and SLC.

Keywords

differential charge center of mass energy pion and kaon production

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DOI:
10.1103/physrevlett.111.062002
URL:
https://sciprofiles.com/publication/view/23d773ff7...

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ID: 271577
Ref Key: collaboration2013physicalprecision
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