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ETDEWEB   /       /    Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti

Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti

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Abstract

We analyze the energy autocorrelation functions and the energy coherence lengths in the strongly dissipative collision {sup 28} Si(E{sub lab} = 130 MeV) +{sup 4}8Ti for Z=11 and 12 reaction fragments. It is found that in order to obtain a good fit of both the energy averaged angular distributions and the angular dependence of the energy coherence lengths one has to take into account (i) the dissipation and fluctuation of the relative angular momentum of the dinucleus and (ii) the contribution from direct (fast) reactions in addition to the statistical (relatively slow) interaction processes. The established angular dependence is a direct consequence of the angular-momentum dissipation-fluctuation effects on the time-space evolution of the intermediate dinucleus. (orig.).
Authors:
Kun, S Yu; [1]  Noerenberg, W; [1]  Papa, M [2] 
  1. Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)
  2. Istituto Nazionale di Fisica Nucleare, Catania (Italy). Lab. Nazionale del Sud
Publication Date:
Sep 01, 1992
Product Type:
Technical Report
Report Number:
GSI-92-62(prepr.)
Reference Number:
SCA: 663450; 663540; PA: DEN-92:015488; SN: 93000903787
Resource Relation:
Other Information: PBD: Sep 1992
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; TITANIUM 48 TARGET; SILICON 28 REACTIONS; DEEP INELASTIC HEAVY ION REACTIONS; COHERENT SCATTERING; ENERGY SPECTRA; TIME DEPENDENCE; CORRELATION FUNCTIONS; DISSIPATION FACTOR; IRREVERSIBLE PROCESSES; FLUCTUATIONS; MEV RANGE 100-1000; NUCLEAR FRAGMENTS; SODIUM ISOTOPES; NUCLEAR REACTION KINETICS; MAGNESIUM ISOTOPES; ANISOTROPY; ANGULAR DISTRIBUTION; SPIN; COHERENCE LENGTH; NUCLEAR MOLECULES; DIRECT REACTIONS; DIFFERENTIAL CROSS SECTIONS; LIGHT NUCLEI; EXPECTATION VALUE; 663450; 663540; HEAVY-ION-INDUCED REACTIONS AND SCATTERING; A = 39-58
OSTI ID:
10104252
Research Organizations:
Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Other: ON: DE93742799; TRN: DE9215488
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
DEN
Size:
15 p.
Announcement Date:
Jun 30, 2005

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Citation Formats

Kun, S Yu, Noerenberg, W, and Papa, M. Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti. Germany: N. p., 1992. Web.
Kun, S Yu, Noerenberg, W, & Papa, M. Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti. Germany.
Kun, S Yu, Noerenberg, W, and Papa, M. 1992. "Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti." Germany.
@misc{etde_10104252,
title = {Effect of angular-momentum dissipation and fluctuation on energy coherence lengths and time evolution in the dissipative collision {sup 28}Si+{sup 48}Ti}
 author = {Kun, S Yu, Noerenberg, W, and Papa, M}
 abstractNote = {We analyze the energy autocorrelation functions and the energy coherence lengths in the strongly dissipative collision {sup 28} Si(E{sub lab} = 130 MeV) +{sup 4}8Ti for Z=11 and 12 reaction fragments. It is found that in order to obtain a good fit of both the energy averaged angular distributions and the angular dependence of the energy coherence lengths one has to take into account (i) the dissipation and fluctuation of the relative angular momentum of the dinucleus and (ii) the contribution from direct (fast) reactions in addition to the statistical (relatively slow) interaction processes. The established angular dependence is a direct consequence of the angular-momentum dissipation-fluctuation effects on the time-space evolution of the intermediate dinucleus. (orig.).}
 place = {Germany}
 year = {1992}
 month = {Sep}
 }