Precision Measurement of Charged Pion and Kaon Differential Cross Sections in e(+)e(-) Annihilation at root s=10.52 GeV

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10193469" target="_blank" >RIV/00216208:11320/13:10193469 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1103/PhysRevLett.111.062002" target="_blank" >http://dx.doi.org/10.1103/PhysRevLett.111.062002</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevLett.111.062002" target="_blank" >10.1103/PhysRevLett.111.062002</a>

Result language

angličtina

Original language name

Precision Measurement of Charged Pion and Kaon Differential Cross Sections in e(+)e(-) Annihilation at root s=10.52 GeV

Original language description

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 root s = 10.52 GeV. The measurements were performed with the Belle detector at the KEKB e(+)e(-) collider using a data sample containing 113 X 10(6) e(+)e(-) -> q (q) over bar events, where q = {u, d, s, c}. We present charge-integrated differential cross sections d sigma(h+)/dz for h(+/-) = {pi(+/-), K-+/-} as a function of the relativehadron energy z = 2E(h)/root s from 0.2 to 0.98. The combined statistical and systematic uncertainties for pi(+/-) (K-+/-) are 4% (4%) at z similar to 0.6 and 15% (24%) at z similar to 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 Z(0) resonance used by the experiments at LEP and SLC.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BF - Elementary particle theory and high energy physics

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physical Review Letters

ISSN

0031-9007

e-ISSN

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Volume of the periodical

111

Issue of the periodical within the volume

6

Country of publishing house

US - UNITED STATES

Number of pages

7

Pages from-to

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UT code for WoS article

000322786500006

EID of the result in the Scopus database

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