New Measurements of the $D^0$ and $D^+$ Lifetimes

Link, J. M.

doi:10.1016/S0370-2693(02)01934-2

Title: New Measurements of the $D^0$ and $D^+$ Lifetimes

Journal Article · Fri Mar 01 00:00:00 EST 2002 · Phys.Lett.B

DOI:https://doi.org/10.1016/S0370-2693(02)01934-2· OSTI ID:1892232

Link, J. M.

A high statistics sample of photoproduced charm particles from the FOCUS (E831) experiment at Fermilab has been used to measure the D 0 and D + lifetimes. Using about 210 000 D 0 and 110 000 D + events we obtained the following values: 409.6±1.1 (statistical)±1.5 (systematic) fs for D 0 and 1039.4±4.3 (statistical)±7.0 (systematic) fs for D + .

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Research Organization:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: FOCUS

DOE Contract Number:: AC02-07CH11359

OSTI ID:: 1892232

Report Number(s):: FERMILAB-PUB-02-059-E; arXiv:hep-ex/0203037; oai:inspirehep.net:584712

Journal Information:: Phys.Lett.B, Vol. 537

Country of Publication:: United States

Language:: English

References (8)

Lifetimes of heavy-flavour hadrons—whence and whither? Bigi, I. I. Il Nuovo Cimento A, Vol. 109, Issue 6-7 https://doi.org/10.1007/BF02731705	journal	June 1996
Aspects of Heavy-Quark Theory Bigi, I.; Shifman, M.; Uraltsev, N. Annual Review of Nuclear and Particle Science, Vol. 47, Issue 1 https://doi.org/10.1146/annurev.nucl.47.1.591	journal	December 1997
A measurement of lifetime differences in the neutral D-meson system Link, J. M.; Paolone, V. S.; Reyes, M. Physics Letters B, Vol. 485, Issue 1-3 https://doi.org/10.1016/S0370-2693(00)00694-8	journal	July 2000
Description and performance of the Fermilab E687 spectrometer Frabetti, P. L.; Giordano, V.; Molinari, G. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 320, Issue 3 https://doi.org/10.1016/0168-9002(92)90948-4	journal	September 1992
Precise measurements of the D0 and D+ meson lifetimes Frabetti, P. L.; Cheung, H. W. K.; Cumalat, J. P. Physics Letters B, Vol. 323, Issue 3-4 https://doi.org/10.1016/0370-2693(94)91247-5	journal	March 1994
High-energy-physics event generation with PYTHIA 5.7 and JETSET 7.4 Sjöstrand, Torbjörn Computer Physics Communications, Vol. 82, Issue 1 https://doi.org/10.1016/0010-4655(94)90132-5	journal	August 1994
A High Statistics Measurement of the $Λ_{c}^{+}$ Lifetime Link, J. M.; Reyes, M.; Yager, P. M. Physical Review Letters, Vol. 88, Issue 16 https://doi.org/10.1103/PhysRevLett.88.161801	journal	April 2002
Measurements of Lifetimes and a Limit on the Lifetime Difference in the Neutral $D$ -Meson System Aitala, E. M.; Amato, S.; Anjos, J. C. Physical Review Letters, Vol. 83, Issue 1 https://doi.org/10.1103/PhysRevLett.83.32	journal	July 1999

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