Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment

J. Sandweiss; T. Cardello; P. Cooper; S. Dhawan; R. Kellogg; D. Ljung; T. Ludlam; R. Majka; P. McBride; P. Némethy; L. Rosselet; A. J. Slaughter; H. D. Taft; L. Teig; L. Tzeng; S. Ecklund; M. Johnson

doi:10.1103/PhysRevLett.44.1104

Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment

J. Sandweiss, T. Cardello, P. Cooper, S. Dhawan, R. Kellogg, D. Ljung, T. Ludlam, R. Majka, P. McBride, P. Némethy, L. Rosselet, A. J. Slaughter, H. D. Taft, L. Teig, L. Tzeng, S. Ecklund, M. Johnson

Research output: Contribution to journal › Article › peer-review

Abstract

Short-lived particles produced in association with muons have been observed in the interactions of 350-GeV/c protons with neon in a high-resolution streamer chamber. The characteristics of these events are consistent with the expected properties of charmed particles if the average lifetime lies between 10-13 and 2×10-12 sec. With the assumption that the observed events are mainly D± mesons with lifetimes of approximately 10-12 sec, the production cross section is estimated to lie between 20 and 50 μb per nucleon.

Original language	English (US)
Pages (from-to)	1104-1107
Number of pages	4
Journal	Physical Review Letters
Volume	44
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.44.1104
State	Published - 1980

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General Physics and Astronomy

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Sandweiss, J., Cardello, T., Cooper, P., Dhawan, S., Kellogg, R., Ljung, D., Ludlam, T., Majka, R., McBride, P., Némethy, P., Rosselet, L., Slaughter, A. J., Taft, H. D., Teig, L., Tzeng, L., Ecklund, S., & Johnson, M. (1980). Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment. Physical Review Letters, 44(17), 1104-1107. https://doi.org/10.1103/PhysRevLett.44.1104

Sandweiss, J, Cardello, T, Cooper, P, Dhawan, S, Kellogg, R, Ljung, D, Ludlam, T, Majka, R, McBride, P, Némethy, P, Rosselet, L, Slaughter, AJ, Taft, HD, Teig, L, Tzeng, L, Ecklund, S & Johnson, M 1980, 'Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment', Physical Review Letters, vol. 44, no. 17, pp. 1104-1107. https://doi.org/10.1103/PhysRevLett.44.1104

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abstract = "Short-lived particles produced in association with muons have been observed in the interactions of 350-GeV/c protons with neon in a high-resolution streamer chamber. The characteristics of these events are consistent with the expected properties of charmed particles if the average lifetime lies between 10-13 and 2×10-12 sec. With the assumption that the observed events are mainly D± mesons with lifetimes of approximately 10-12 sec, the production cross section is estimated to lie between 20 and 50 μb per nucleon.",

author = "J. Sandweiss and T. Cardello and P. Cooper and S. Dhawan and R. Kellogg and D. Ljung and T. Ludlam and R. Majka and P. McBride and P. N{\'e}methy and L. Rosselet and Slaughter, {A. J.} and Taft, {H. D.} and L. Teig and L. Tzeng and S. Ecklund and M. Johnson",

year = "1980",

doi = "10.1103/PhysRevLett.44.1104",

language = "English (US)",

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T1 - Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment

AU - Sandweiss, J.

AU - Cardello, T.

AU - Cooper, P.

AU - Dhawan, S.

AU - Kellogg, R.

AU - Ljung, D.

AU - Ludlam, T.

AU - Majka, R.

AU - McBride, P.

AU - Némethy, P.

AU - Rosselet, L.

AU - Slaughter, A. J.

AU - Taft, H. D.

AU - Teig, L.

AU - Tzeng, L.

AU - Ecklund, S.

AU - Johnson, M.

PY - 1980

Y1 - 1980

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AB - Short-lived particles produced in association with muons have been observed in the interactions of 350-GeV/c protons with neon in a high-resolution streamer chamber. The characteristics of these events are consistent with the expected properties of charmed particles if the average lifetime lies between 10-13 and 2×10-12 sec. With the assumption that the observed events are mainly D± mesons with lifetimes of approximately 10-12 sec, the production cross section is estimated to lie between 20 and 50 μb per nucleon.

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Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment

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