Study of the Central Heavy-Ion Collision with Emulsion at 4.5 A GeV/c

Alblomy Abd El-Daiem, Mohamed Abdo Khalifa, Atef Abdel-hafiez

.

DOI: 10.4236/jmp.2011.27080                

Abstract

We have investigated the main experimental characteristics(multiplicity correlation ,angular distributions and the analysis of emission of the shower particles produced at target fragments in central collisions of ²⁸Si+AgBr at 4.5AGeV/c has shown a formation of hadronic and baryonic clusters. Events of central collisions are defined, here, as those having no projectile charged fragments, even a singly charged one, emitted within 3⁰ of the beam direction.

Keywords

Multiplicity Correlation, Multiplicity Distributions, Hadronic Clusters, Baryonic Clusters

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	D.Beavis , S.Y.Fung, W.Gorn, D.Keano,Y.M.Liu, R.T. Poe. Van Dalen and M.vient, phys. Rev. Lett. 54, 1652(1985).
[2]	P.Beckkmann, H.A.Gustafsson, H. H. Gutbrod, K. H. Kalmpert, B. Kolb, H. Loethren, A.M.Poskanzer, H.G.Ritter, H.R.Schmidt and T.Siemiacczck, mod. Phys. Lett. A2, 163-168(1987).
[3]	L.P.Csernai, P.Freier,J.Mevissen, H.Nguten and L.Waters, Phys. Rev. C34, 1270 (1986).
[4]	D. Beavis et.al.phys.Rev.34 (1986).
[5]	S.Z.Belenkij and L.D.Landau ,SSP Fiz –Nauk, 56, 309 (1955).
[6]	Meny Ta-Chung,Institute für theroretische physic der freien Universtat Berlin Report fub,HEP (1978).
[7]	Y.Alek et.al , Phys.Rev.Lett. 41, 849 (1978
[8]	J.P.Vary , phys.Rev.Lett. 4o,295(1978).
[9]	V.S.Barashenkov, V.A.Belyakov,van-shu-fen: communication of JINR PI-331, Dubna(1959).
[10]	A.M.Baldin, ET al., int. Seminar On High Energy phy .Dl-2-84-559, Dubna,(1984) 531.
[11]	B.K.Kalinkinet al., Phys.Scripta , 24(1981)298.
[12]	N.N.A bd Allah Physica Scripat 47 ,5o1(1993).
[13]	K.D.Tolestov:JJNB Dubna EI-80-522(1980).
[14]	OTTERUND : high energy hadron reactions on nuclei and high energy heavy ion reactions, talks given at the symposium on high Energy Reaction, Cairo University, Egypt , 5 November-10 December (1979).
[15]	K.D.Tolestov:JINR Dubna,PI-8662(1975).
[16]	EL-Nagly et al.,JINR Preprint EL-87-546 Dubna(1987).
[17]	B.P.Bannik, et al.,Z.Phys,A(Atomic Nuclei) 329,(1988) 341.