Belle/Svd2 Status And Performance

R Abe, T Abe,H Aihara,Y Asano, T Aso, A Bakich,T Browder,Mc Chang, Y Chao,Kf Chen, S Chidzik,J Dalseno,R Dowd,J Dragic,Cw Everton,R Fernholz,M Friedl,H Fujii, Zw Gao,A Gordon,Yn Guo,J Haba, K Hara,T Hara,Y Harada, T Haruyama,K Hasuko, K Hayashi,M Hazumi,Em Heenan,T Higuchi,H Hirai, N Hitomi, A Igarashi,Y Igarashi,H Ikeda,H Ishino, K Itoh, S Iwaida,J Kaneko,P Kapusta, R Karawatzki, K Kasami, H Kawai, T Kawasaki,A Kibayashi,S Koike, S Korpar,P Krizan, H Kurashiro,A Kusaka, T Lesiak, A Limosani,Wc Lin,D Marlow,H Matsumoto,Y Mikami,H Miyake,Gr Moloney,T Mori,T Nakadaira,Y Nakano,Z Natkaniec, S Nozaki, R Ohkubo, F Ohno, S Okuno, Y Onuki,W Ostrowicz,H Ozaki, L Peak,M Pernicka,M Rosen,M Rozanska,N Sato,S Schmid,T Shibata, R Stamen,S Stanic, H Steininger, K Sumisawa,J Suzuki, H Tajima,O Tajima, K Takahashi,F Takasaki,N Tamura,M Tanaka,Gn Taylor, H Terazaki,T Tomura,K Trabelsi, W Trischuk,T Tsuboyama,K Uchida,K Ueno,K Ueno, N Uozaki,Y Ushiroda,S Vahsen, G Varner,K Varvell, Ys Velikzhanin,Cc Wang,Mz Wang,M Watanabe, Y Watanabe,Y Yamada,H Yamamoto, Y Yamashita, Y Yamashita,M Yamauchi, H Yanai,R Yang, Y Yasu,M Yokoyama,T Ziegler,D Zontar

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2004）

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摘要

A new silicon vertex detector for the BELLE experiment was installed and its operation has started successfully at the high-luminosity asymmetric energy e(+)e(-) collider KEKB in October 2003. This vertex detector provides a larger polar angle acceptance, a more precise vertex resolution and a better radiation tolerance than the previous one. The obtained performances indicate that the SVD2 works reliably as expected. Moreover, a prospective simulation study shows that the SVD2 should work under the coming higher background conditions. (C) 2004 Published by Elsevier B.V.

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belle/svd2 status,performance

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