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Dive into the research topics where A. Kumagai is active.

Publication


Featured researches published by A. Kumagai.


Physics Letters B | 2000

Excitation function of K+ and π+ production in Au + Au reactions at 2-10 AGeV

L. Ahle; Y. Akiba; K. Ashktorab; M. D. Baker; D. R. Beavis; B. Budick; J. Chang; C. Chasman; Z. Chen; Y.Y. Chu; T. Chujo; J.B. Cumming; R. Debbe; J. C. Dunlop; W. Eldredge; K. Fleming; S. Y. Fung; E. Garcia; S. Gushue; H. Hamagaki; R. Hayano; G. Heintzelman; J. H. Kang; E. J. Kim; A. Kumagai; K. Kurita; J. H. Lee; Y.K. Lee; Y. Miake; A. C. Mignerey

Positive pion and kaon production from Au+Au reactions have been measured as a function of beam energy over the range 2.0-10.7~AGeV. Both the kaon and the pion production cross-sections at mid-rapidity are observed to increase steadily with beam kinetic energy. The ratio of K


Physics Letters B | 2000

An excitation function of K− and K+ production in Au+Au reactions at the AGS

L. Ahle; Y. Akiba; K. Ashktorab; M. D. Baker; D. R. Beavis; B. Budick; J. Chang; C. Chasman; Z. Chen; Y.Y. Chu; T. Chujo; J.B. Cumming; R. Debbe; J. C. Dunlop; W. Eldredge; K. Fleming; S. Y. Fung; E. Garcia; S. Gushue; H. Hamagaki; R. Hayano; G. Heintzelman; J. H. Kang; E. J. Kim; A. Kumagai; K. Kurita; J. H. Lee; Y.K. Lee; Y. Miake; Alice Mignerey

^+


Physical Review C | 1999

Centrality dependence of kaon yields in Si + A and Au + Au collisions at the AGS

L. Ahle; M. J. LeVine; D.S. Woodruff; O. Hansen; W. L. Kehoe; Y. Wang; S.Y. Fung; H.E. Wegner; B. Budick; C. Y. Chi; K. Yagi; D. P. Morrison; P. Rothschild; W. Eldredge; S. Gushue; C.G. Parsons; Y. Wu; F. Videbaek; E. G. Judd; G.H. Xu; R. Morse; J.H. van Dijk; C. Chasman; O. Vossnack; M. J. Tannenbaum; X. Yang; F. Wang; T. Sung; Y. Miake; H. Sakurai

to


Physical Review C | 2002

System, centrality, and transverse mass dependence of two-pion correlation radii in heavy ion collisions at 11.6A and 14.6A GeV/c

L. Ahle; Y. Akiba; K. Ashktorab; M. D. Baker; D. R. Beavis; P. Beery; H.C. Britt; B. Budick; J. Chang; C. Chasman; Z. Chen; C. Y. Chi; Y.Y. Chu; V. Cianciolo; B. A. Cole; J. Costales; H. J. Crawford; J. B. Cumming; R. Debbe; J. C. Dunlop; W. Eldredge; J. Engelage; S. Y. Fung; E. Garcia; M. Gonin; S. Gushue; H. Hamagaki; L. F. Hansen; R. Hayano; S. Hayashi

\pi^+


Nuclear Physics | 1998

Au+Au reactions at the AGS: Experiments E866 and E917

C. A. Ogilvie; S. Kim; A. H. Wuosmaa; H. B. Yao; S. Y. Fung; T. Chujo; Y.Y. Chu; R.R. Betts; K. Yagi; W. Eldredge; S. Gushue; Y.D. Wu; D. McLeod; J.H. Lee; E. J. Kim; E. G. Judd; G. H. Xu; C.Y. Chi; C. Chasman; Alice Mignerey; M. J. Tannenbaum; Youngil Kwon; F. Wang; J.H. Thomas; Y. Miake; H. Hamagaki; Ju Hwan Kang; C. M. Zou; A. Kumagai; B. A. Cole

mid-rapidity yields increases from 0.0271


Nuclear Physics | 1999

Particle production at the AGS: an excitation function

J. C. Dunlop; L. Ahle; Y. Akiba; K. Ashktorab; M.D. Baker; D. R. Beavis; H.C. Britt; J. Chang; C. Chasman; Z. Chen; Y.Y. Chu; T. Chujo; V. Cianciolo; B. A. Cole; H. J. Crawford; J.B. Cumming; R. Debbe; W. Eldredge; J. Engelage; S. Y. Fung; E. Garcia; S. Gushue; H. Hamagaki; L. F. Hansen; R. Hayano; G. Heintzelman; E. G. Judd; J. H. Kang; E. J. Kim; A. Kumagai

\pm0.0015\pm0.0014


Nuclear Physics | 1996

The centrality dependence of the source size for AuAu collisions at the AGS

M. D. Baker; L. Ahle; Y. Akiba; K. Ashktorab; D. R. Beavis; H.C. Britt; B. Budick; J. Chang; C. Chasman; Z. Chen; C. Y. Chi; Y.Y. Chu; V. Cianciolo; B. A. Cole; J. Costales; H. J. Crawford; J. B. Cumming; R. Debbe; J. C. Dunlop; W. Eldredge; J. Engelage; S. Y. Fung; J.J. Gaardhøje; M. Gonin; S. Gushue; H. Hamagaki; A.G. Hansen; L. Hansen; R. Hayano; S. Hayashi

at 2.0~AGeV to 0.202


Given at | 1996

The centrality dependence of the source size for Au - Au collisions at the AGS

Baker; S. Kaufman; W. A. Zajc; K. Ashktorab; T. Sung; S. Ueno; J. C. Dunlop; J. H. Thomas; J. Olness; K. Yagi; Y. Miake; M. J. LeVine; H. Xiang; H. Sakurai; H. Hamagaki; H. Liu; Y. Wang; J. H. Kang; Y. Akiba; F. Wang; D. Zachary; S. Y. Fung; D. R. Beavis; H.C. Britt; F. Zhu; K. Shigaki; Y. Wu; A. Kumagai; B. Budick; R. Hayano

\pm0.005\pm0.010


Physical Review C | 1998

Particle production at high baryon density in central Au+Au reactions at 11.6A GeV/c

L. Ahle; Y. Akiba; K. Ashktorab; M.D. Baker; D. R. Beavis; H.C. Britt; J. Chang; C. Chasman; Z. Chen; C. Y. Chi; Y.Y. Chu; V. Cianciolo; B. A. Cole; H. J. Crawford; J.B. Cumming; R. Debbe; J. C. Dunlop; W. Eldredge; J. Engelage; S. Y. Fung; Jens Joergen Gaardhoje; E. Garcia; M. Gonin; S. Gushue; H. Hamagaki; A. Hansen; L. Hansen; R. Hayano; G. Heintzelman; S. Homma

at 10.7~AGeV and is larger than the K


Physical Review C | 1999

Proton and deuteron production in Au + Au reactions at 11.6/A-GeV/c

L. Ahle; F. Wang; W. A. Zajc; K. Ashktorab; J. C. Dunlop; J. H. Thomas; J. Olness; C. A. Ogilvie; S. Ueno-Hayashi; Y. Miake; H. Yao; E. Garcia; H. Hamagaki; J. H. Kang; Y. Akiba; L. F. Hansen; Baker; D. R. Beavis; H.C. Britt; F. Zhu; K. Shigaki; Y. Wu; A. Kumagai; J. Luke; B. A. Cole; C. Y. Chi; J.B. Cumming; H. Sako; K. Yagi; Y.Y. Chu

^+

Collaboration


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K. Ashktorab

Massachusetts Institute of Technology

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C. Chasman

Brookhaven National Laboratory

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D. R. Beavis

Brookhaven National Laboratory

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Y.Y. Chu

Brookhaven National Laboratory

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S. Gushue

Brookhaven National Laboratory

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W. Eldredge

University of California

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