The belle L1.5 trigger

R. Stamen, T. Ziegler, H. Aihara, Y. Asano, T. Aso, A. Bakich, M. Barbero, T. Browder, M. C. Chang, Y. Chao, K. F. Chen, S. Chidzik, A. Chouvikov, J. Dalseno, R. Dowd, R. Fernholz, S. Fratina, M. Friedl, H. Fujii, Y. FujiyamaJ. Haba, K. Hara, T. Hara, B. Harrop, T. Haruyama, K. Hayashi, M. Hazumi, D. Heffernan, T. Higuchi, A. Igarashi, Y. Igarashi, H. Ikeda, H. Ishino, S. Iwaida, T. Kameshima, P. Kapusta, K. Kasami, T. Kawasaki, A. Kibayashi, S. Koike, S. Korpar, P. Križan, H. Kurashiro, A. Kusaka, T. Lesiak, D. Marlow, H. Matsumoto, Y. Mikami, H. Miyake, G. R. Moloney, Z. Natkaniec, S. Nozaki, R. Ohkubo, S. Okuno, S. Ono, Y. Onuki, W. Ostrowicz, H. Ozaki, L. Peak, M. Pernicka, M. Rosen, M. Rozanska, N. Sato, S. Schmid, J. Schümann, T. Shibata, S. Stanič, H. Steininger, K. Sumisawa, J. Suzuki, H. Tajima, O. Tajima, K. Takahashi, F. Takasaki, N. Tamura, M. Tanaka, G. N. Taylor, K. Trahelsi, T. Tsuhoyama, K. Uchida, K. Ueno, K. Ueno, Y. Ushiroda, S. Vahsen, G. Varner, K. Varvell, Y. S. Velikzhanin, C. C. Wang, M. Z. Wang, M. Watanabe, Y. Watanahe, H. Yamamoto, Y. Yamashita, M. Yamauchi, R. Yang, Y. Yasu, D. Žontar

Research output: Contribution to journalConference article

Abstract

During the summer shutdown of 2003 the new silicon vertex detector SVD2 was installed in Belle at the KEK-B factory in Tsukuha. Japan and started to take data in October 2003. It provides important improvements in the tracking capabilities and adds new trigger functionality. In addition a new hardware trigger Level 1.5 was designed and installed that takes advantage of the digitized SVD hit data. The improvement in the Belle trigger system is important to deal with the increasing luminosity and higher beam currents of the KEK-B collider. The design of the Level 1.5 trigger system is reviewed and results from the data taking are presented.

Original languageEnglish (US)
Pages (from-to)1697-1701
Number of pages5
JournalIEEE Nuclear Science Symposium Conference Record
Volume3
StatePublished - Dec 1 2004
Event2004 Nuclear Science Symposium, Medical Imaging Conference, Symposium on Nuclear Power Systems and the 14th International Workshop on Room Temperature Semiconductor X- and Gamma- Ray Detectors - Rome, Italy
Duration: Oct 16 2004Oct 22 2004

All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

Keywords

  • Trigger
  • Vertex detector trigger

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  • Cite this

    Stamen, R., Ziegler, T., Aihara, H., Asano, Y., Aso, T., Bakich, A., Barbero, M., Browder, T., Chang, M. C., Chao, Y., Chen, K. F., Chidzik, S., Chouvikov, A., Dalseno, J., Dowd, R., Fernholz, R., Fratina, S., Friedl, M., Fujii, H., ... Žontar, D. (2004). The belle L1.5 trigger. IEEE Nuclear Science Symposium Conference Record, 3, 1697-1701.