The CDF time of flight detector

S. Cabrera, J. Fernández, G. Gómez, J. Piedra, T. Rodrigo, A. Ruiz, I. Vila, R. Vilar, C. Grozis, R. Kephart, R. Stanek, D. H. Kim, M. S. Kim, Y. Oh, Y. K. Kim, G. Veramendi, K. Anikeev, G. Bauer, I. K. Furic, A. KornI. Kravchenko, M. Mulhearn, Ch Paus, S. Pavlon, K. Sumorok, C. Chen, M. Jones, W. Kononenko, J. Kroll, G. M. Mayers, F. M. Newcomer, R. G C Oldeman, D. Usynin, R. Van Berg, G. Bellettini, C. Cerri, A. Menzione, F. Spinella, E. Vataga, S. De Ceco, D. De Pedis, C. Dionisi, S. Giagu, A. De Girolamo, M. Rescigno, L. Zanello, M. Ahn, B. J. Kim, S. B. Kim, I. Cho, J. Lee, I. Yu, H. Kaneko, A. Kazama, S. Kim, K. Sato, F. Ukegawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


A new Time of Flight (TOF) detector based on scintillator bars with fine-mesh photomultipliers at both ends has been in operation since 2001 in the CDF experiment. With a design resolution of 100 ps, the TOF can provide separation between K + and π± in pp̄ collisions at the 2σ level for low momentum, which enhances b flavor tagging capabilities. Because of its very fast response, the TOF is an excellent triggering device, and it is used to trigger on highly ionizing particles, multiple minimum ionizing particles and cosmic rays. Particle identification is achieved by comparing the time-of-flight of the particle measured by the TOF to the time expected for a given mass hypothesis. In order to obtain the resolution necessary for particle ID, optimal calibrations are critical. This paper describes the TOP detector, its calibration procedure, the achieved resolution, the long term operation performances and some of the first results from data analysis using this detector.

Original languageEnglish (US)
Title of host publicationIEEE Nuclear Science Symposium Conference Record
EditorsS.D. Metzler
Number of pages5
StatePublished - 2003
Externally publishedYes
Event2003 IEEE Nuclear Science Symposium Conference Record - Nuclear Science Symposium, Medical Imaging Conference - Portland, OR, United States
Duration: Oct 19 2003Oct 25 2003


Other2003 IEEE Nuclear Science Symposium Conference Record - Nuclear Science Symposium, Medical Imaging Conference
Country/TerritoryUnited States
CityPortland, OR


  • CDF
  • Fine-mesh photomultipliers
  • Particle identification
  • Time of Flight

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Industrial and Manufacturing Engineering


Dive into the research topics of 'The CDF time of flight detector'. Together they form a unique fingerprint.

Cite this