Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions

G.F. Krebs; J.-F. Gilot; P.N. Kirk; G. Claesson; J. Miller; H.G. Pugh; L.S. Schroeder; G. Roche; J. Vicente; K. Beard; W. Benenson; J. van der Plicht; B. Sherrill; J.W. Harris

doi:10.1016/0370-2693(86)90993-7

Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions

G.F. Krebs, J.-F. Gilot, P.N. Kirk, G. Claesson, J. Miller, H.G. Pugh, L.S. Schroeder, G. Roche, J. Vicente, K. Beard, W. Benenson, J. van der Plicht, B. Sherrill, J.W. Harris

Isotope Research

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Abstract

The inclusive cross section for subthreshold negative pions and high energy protons produced at θcm = 90° has been measured for 139La + 139La at 246 MeV/nucleon. The spectrum of negative pions exhibits no bump or sharp break as has been suggested by theoretical speculation on the formation of a pionic instability in central nucleus-nucleus collisions. The measured spectra for both pions and protons are compared with results of a phase space model and an intranuclear cascade calculation.

Original language	English
Pages (from-to)	37-40
Number of pages	4
Journal	Physics Letters B
Volume	171
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(86)90993-7
Publication status	Published - 17-Apr-1986

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Krebs, G. F., Gilot, J-F., Kirk, P. N., Claesson, G., Miller, J., Pugh, H. G., Schroeder, L. S., Roche, G., Vicente, J., Beard, K., Benenson, W., Plicht, J. V. D., Sherrill, B., & Harris, J. W. (1986). Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions. Physics Letters B, 171(1), 37-40. https://doi.org/10.1016/0370-2693(86)90993-7

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title = "Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions",

abstract = "The inclusive cross section for subthreshold negative pions and high energy protons produced at θcm = 90° has been measured for 139La + 139La at 246 MeV/nucleon. The spectrum of negative pions exhibits no bump or sharp break as has been suggested by theoretical speculation on the formation of a pionic instability in central nucleus-nucleus collisions. The measured spectra for both pions and protons are compared with results of a phase space model and an intranuclear cascade calculation.",

author = "G.F. Krebs and J.-F. Gilot and P.N. Kirk and G. Claesson and J. Miller and H.G. Pugh and L.S. Schroeder and G. Roche and J. Vicente and K. Beard and W. Benenson and Plicht, {J. van der} and B. Sherrill and J.W. Harris",

note = "Relation: http://www.rug.nl/ees/onderzoek/cio/index date_submitted:2008 Rights: University of Groningen. Centre for Isotope Research",

year = "1986",

month = apr,

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doi = "10.1016/0370-2693(86)90993-7",

language = "English",

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Krebs, GF, Gilot, J-F, Kirk, PN, Claesson, G, Miller, J, Pugh, HG, Schroeder, LS, Roche, G, Vicente, J, Beard, K, Benenson, W, Plicht, JVD, Sherrill, B & Harris, JW 1986, 'Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions', Physics Letters B, vol. 171, no. 1, pp. 37-40. https://doi.org/10.1016/0370-2693(86)90993-7

TY - JOUR

T1 - Subthreshold Negative Pions and Energetic Protons Produced at θcm = 90° in 246 MeV/nucleon 139La + 139La Collisions

AU - Krebs, G.F.

AU - Gilot, J.-F.

AU - Kirk, P.N.

AU - Claesson, G.

AU - Miller, J.

AU - Pugh, H.G.

AU - Schroeder, L.S.

AU - Roche, G.

AU - Vicente, J.

AU - Beard, K.

AU - Benenson, W.

AU - Plicht, J. van der

AU - Sherrill, B.

AU - Harris, J.W.

N1 - Relation: http://www.rug.nl/ees/onderzoek/cio/index date_submitted:2008 Rights: University of Groningen. Centre for Isotope Research

PY - 1986/4/17

Y1 - 1986/4/17

N2 - The inclusive cross section for subthreshold negative pions and high energy protons produced at θcm = 90° has been measured for 139La + 139La at 246 MeV/nucleon. The spectrum of negative pions exhibits no bump or sharp break as has been suggested by theoretical speculation on the formation of a pionic instability in central nucleus-nucleus collisions. The measured spectra for both pions and protons are compared with results of a phase space model and an intranuclear cascade calculation.

AB - The inclusive cross section for subthreshold negative pions and high energy protons produced at θcm = 90° has been measured for 139La + 139La at 246 MeV/nucleon. The spectrum of negative pions exhibits no bump or sharp break as has been suggested by theoretical speculation on the formation of a pionic instability in central nucleus-nucleus collisions. The measured spectra for both pions and protons are compared with results of a phase space model and an intranuclear cascade calculation.

U2 - 10.1016/0370-2693(86)90993-7

DO - 10.1016/0370-2693(86)90993-7

M3 - Article

VL - 171

SP - 37

EP - 40

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1

ER -