Study of vector-meson production in e + e âˆ’ annihilation at s = 29 GeV

S. Abachi; M. Derrick; P. Kooijman; B. Musgrave; L. E. Price; J. Repond; K. Sugano; P. Waschbusch; D. Blockus; B. Brabson; J -M. Brom; C. Jung; H. Ogren; D. R. Rust; C. Akerlof; J. Chapman; D. Errede; M. T. Ken; D. I. Meyer; H. Neal; D. Nitz; R. Thun; R. Tschirhart; P. Baringer; B. G. Bylsma; R. DeBonte; D. Koltick; E. H. Low; R. L. McIlwain; D. H. Miller; C. R. Ng; E. I. Shibata; B. Cork

doi:10.1103/PhysRevD.40.706

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Study of vector-meson production in e + e âˆ’ annihilation at s = 29 GeV

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Study of vector-meson production in e + e âˆ’ annihilation at s = 29 GeV

S. Abachi, M. Derrick, P. Kooijman, B. Musgrave, L. E. Price, J. Repond, K. Sugano, P. Waschbusch, D. Blockus, B. Brabson, …

Physical review. D, Particles and fields, Vol.40(3), pp.706-711

08/1989

DOI: 10.1103/PhysRevD.40.706

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Abstract

This paper reports cross-section measurements for the 𝜌0 and 𝐾*⁡(890) vector mesons produced in 𝑒+⁢𝑒− annihilation at √𝑠=29 GeV. The data, which were taken with the High Resolution Spectrometer operating at the SLAC colliding-beam facility PEP, correspond to an integrated luminosity of 291 pb−1. The measured multiplicities for fractional momentum 𝑥>0.05 are 𝑁𝜌0=0.79±0.04 and 𝑁𝐾*0⁡(890)=0.53±0.04. The measured fragmentation functions agree well with the predictions of the Lund model and when extrapolated to threshold, the corresponding total multiplicities are 𝑁𝜌0=0.90±0.05 and 𝑁𝐾*0⁡(890)=0.59±0.05.

Details

Title: Subtitle: Study of vector-meson production in e + e âˆ’ annihilation at s = 29 GeV
Creators: S. Abachi
M. Derrick
P. Kooijman
B. Musgrave
L. E. Price
J. Repond
K. Sugano
P. Waschbusch
D. Blockus
B. Brabson
J -M. Brom
C. Jung
H. Ogren
D. R. Rust
C. Akerlof
J. Chapman
D. Errede
M. T. Ken
D. I. Meyer
H. Neal
D. Nitz
R. Thun
R. Tschirhart
P. Baringer
B. G. Bylsma
R. DeBonte
D. Koltick
E. H. Low
R. L. McIlwain
D. H. Miller
C. R. Ng
E. I. Shibata
B. Cork
Resource Type: Journal article
Publication Details: Physical review. D, Particles and fields, Vol.40(3), pp.706-711
DOI: 10.1103/PhysRevD.40.706
NLM abbreviation: Phys Rev D Part Fields
ISSN: 0556-2821
eISSN: 1089-4918
Publisher: American Physical Society
Language: English
Date published: 08/1989
Academic Unit: Physics and Astronomy
Record Identifier: 9984627350502771

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