INTERMEDIATE-MASS FRAGMENTS IN N-14+TB-159/AG-NAT/CU-NAT REACTIONS AT 22 MEV/U

Z SOSIN; J BRZYCHCZYK; K GROTOWSKI; JD HINNEFELD; EE KOLDENHOF; T KOZIK; HKW LEEGTE; J LUKASIK; S MICEK; R PLANETA; RH SIEMSSEN; A WIELOCH; HW WILSCHUT

INTERMEDIATE-MASS FRAGMENTS IN N-14+TB-159/AG-NAT/CU-NAT REACTIONS AT 22 MEV/U

Z SOSIN^*, J BRZYCHCZYK, K GROTOWSKI, JD HINNEFELD, EE KOLDENHOF, T KOZIK, HKW LEEGTE, J LUKASIK, S MICEK, R PLANETA, RH SIEMSSEN, A WIELOCH, HW WILSCHUT

^*Corresponding author for this work

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

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Abstract

The yields of intermediate-mass fragments from the reactions N-14 + Tb-159/(nat)Ag/(nat)Cu have been measured at 22 MeV/u. A complete set of double-differential cross sections d2sigma/dE dOMEGA ranging from 15-degrees to 165-degrees and with low-energy thresholds has been obtained. The evolution of the intermediate-mass spectra from quasi-elastic via more dissipative reactions towards evaporation can be followed and has been compared with a phenomenological random-walk model. For the system studied, the results suggest damped collisions as the only source for the emission of intermediate-mass fragments in the dissipative regime.

Original language	English
Pages (from-to)	474-500
Number of pages	27
Journal	Nuclear Physics A
Volume	574
Issue number	3
Publication status	Published - 11-Jul-1994

Keywords

TB-159, AG, CU (N-14, X)
E = 22 MEV NUCLEON
MEASURED INTERMEDIATE MASS FRAGMENT SIGMA(Z,E,THETA)
3 COMPONENTS IDENTIFIED IN SIGMA(E)
SIGMA(THETA)
PHENOMENOLOGICAL MASS AND MOMENTUM TRANSFER
RANDOM-WALK MODEL ANALYSIS
C-12 INDUCED REACTIONS
HEAVY-ION COLLISIONS
COMPLEX FRAGMENTS
RANDOM-WALK
MULTIFRAGMENT EMISSION
N-14+TB-159 REACTION
NUCLEUS COLLISIONS
CROSS-SECTION
ENERGY
PARTITION

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@article{240669ffb35d46fcbc944f347ecfce1c,

title = "INTERMEDIATE-MASS FRAGMENTS IN N-14+TB-159/AG-NAT/CU-NAT REACTIONS AT 22 MEV/U",

abstract = "The yields of intermediate-mass fragments from the reactions N-14 + Tb-159/(nat)Ag/(nat)Cu have been measured at 22 MeV/u. A complete set of double-differential cross sections d2sigma/dE dOMEGA ranging from 15-degrees to 165-degrees and with low-energy thresholds has been obtained. The evolution of the intermediate-mass spectra from quasi-elastic via more dissipative reactions towards evaporation can be followed and has been compared with a phenomenological random-walk model. For the system studied, the results suggest damped collisions as the only source for the emission of intermediate-mass fragments in the dissipative regime.",

keywords = "TB-159, AG, CU (N-14, X), E = 22 MEV NUCLEON, MEASURED INTERMEDIATE MASS FRAGMENT SIGMA(Z,E,THETA), 3 COMPONENTS IDENTIFIED IN SIGMA(E), SIGMA(THETA), PHENOMENOLOGICAL MASS AND MOMENTUM TRANSFER, RANDOM-WALK MODEL ANALYSIS, C-12 INDUCED REACTIONS, HEAVY-ION COLLISIONS, COMPLEX FRAGMENTS, RANDOM-WALK, MULTIFRAGMENT EMISSION, N-14+TB-159 REACTION, NUCLEUS COLLISIONS, CROSS-SECTION, ENERGY, PARTITION",

author = "Z SOSIN and J BRZYCHCZYK and K GROTOWSKI and JD HINNEFELD and EE KOLDENHOF and T KOZIK and HKW LEEGTE and J LUKASIK and S MICEK and R PLANETA and RH SIEMSSEN and A WIELOCH and HW WILSCHUT",

year = "1994",

month = jul,

day = "11",

language = "English",

volume = "574",

pages = "474--500",

journal = "Nuclear Physics A",

issn = "0375-9474",

publisher = "ELSEVIER SCIENCE BV",

number = "3",

}

TY - JOUR

T1 - INTERMEDIATE-MASS FRAGMENTS IN N-14+TB-159/AG-NAT/CU-NAT REACTIONS AT 22 MEV/U

AU - SOSIN, Z

AU - BRZYCHCZYK, J

AU - GROTOWSKI, K

AU - HINNEFELD, JD

AU - KOLDENHOF, EE

AU - KOZIK, T

AU - LEEGTE, HKW

AU - LUKASIK, J

AU - MICEK, S

AU - PLANETA, R

AU - SIEMSSEN, RH

AU - WIELOCH, A

AU - WILSCHUT, HW

PY - 1994/7/11

Y1 - 1994/7/11

N2 - The yields of intermediate-mass fragments from the reactions N-14 + Tb-159/(nat)Ag/(nat)Cu have been measured at 22 MeV/u. A complete set of double-differential cross sections d2sigma/dE dOMEGA ranging from 15-degrees to 165-degrees and with low-energy thresholds has been obtained. The evolution of the intermediate-mass spectra from quasi-elastic via more dissipative reactions towards evaporation can be followed and has been compared with a phenomenological random-walk model. For the system studied, the results suggest damped collisions as the only source for the emission of intermediate-mass fragments in the dissipative regime.

AB - The yields of intermediate-mass fragments from the reactions N-14 + Tb-159/(nat)Ag/(nat)Cu have been measured at 22 MeV/u. A complete set of double-differential cross sections d2sigma/dE dOMEGA ranging from 15-degrees to 165-degrees and with low-energy thresholds has been obtained. The evolution of the intermediate-mass spectra from quasi-elastic via more dissipative reactions towards evaporation can be followed and has been compared with a phenomenological random-walk model. For the system studied, the results suggest damped collisions as the only source for the emission of intermediate-mass fragments in the dissipative regime.

KW - TB-159, AG, CU (N-14, X)

KW - E = 22 MEV NUCLEON

KW - MEASURED INTERMEDIATE MASS FRAGMENT SIGMA(Z,E,THETA)

KW - 3 COMPONENTS IDENTIFIED IN SIGMA(E)

KW - SIGMA(THETA)

KW - PHENOMENOLOGICAL MASS AND MOMENTUM TRANSFER

KW - RANDOM-WALK MODEL ANALYSIS

KW - C-12 INDUCED REACTIONS

KW - HEAVY-ION COLLISIONS

KW - COMPLEX FRAGMENTS

KW - RANDOM-WALK

KW - MULTIFRAGMENT EMISSION

KW - N-14+TB-159 REACTION

KW - NUCLEUS COLLISIONS

KW - CROSS-SECTION

KW - ENERGY

KW - PARTITION

M3 - Article

SN - 0375-9474

VL - 574

SP - 474

EP - 500

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 3

ER -

INTERMEDIATE-MASS FRAGMENTS IN N-14+TB-159/AG-NAT/CU-NAT REACTIONS AT 22 MEV/U

Abstract

Keywords

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