Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes
Journal article, 2016

Models describing nuclear fragmentation and fragmentation fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked against data from stable beam experiments. In the future, two-step fragmentation reactions with exotic nuclei as stepping stones are a promising tool for reaching the most neutron-rich nuclei, creating a need for models to describe also these reactions. Purpose: We want to extend the presently available data on fragmentation reactions towards the light exotic region on the nuclear chart. Furthermore, we want to improve the understanding of projectile fragmentation especially for unstable isotopes. Method: We have measured projectile fragments from C10,12-18 and B10-15 isotopes colliding with a carbon target. These measurements were all performed within one experiment, which gives rise to a very consistent data set. We compare our data to model calculations. Results: One-proton removal cross sections with different final neutron numbers (1pxn) for relativistic C10,12-18 and B10-15 isotopes impinging on a carbon target. Comparing model calculations to the data, we find that the epax code is not able to describe the data satisfactorily. Using abrabla07 on the other hand, we find that the average excitation energy per abraded nucleon needs to be decreased from 27 MeV to 8.1 MeV. With that decrease abrabla07 describes the data surprisingly well. Conclusions: Extending the available data towards light unstable nuclei with a consistent set of new data has allowed a systematic investigation of the role of the excitation energy induced in projectile fragmentation. Most striking is the apparent mass dependence of the average excitation energy per abraded nucleon. Nevertheless, this parameter, which has been related to final-state interactions, requires further study.

Author

Ronja Thies

Chalmers, Physics, Subatomic and Plasma Physics

Andreas Martin Heinz

Chalmers, Physics, Subatomic and Plasma Physics

T. Adachi

University of Groningen

Y. Aksyutina

Helmholtz

Technische Universität Darmstadt

J. Alcantara-Núñes

Universidade de Santiagode Compostela

S. Altstadt

Goethe University Frankfurt

H. Alvarez-Pol

Universidade de Santiagode Compostela

N. Ashwood

University of Birmingham

T. Aumann

Helmholtz

Technische Universität Darmstadt

V. Avdeichikov

Lund University

M. Barr

University of Birmingham

S. Beceiro-Novo

Michigan State University

D. Bemmerer

Helmholtz

J. Benlliure

Universidade de Santiagode Compostela

C.A. Bertulani

Texas A&M University

K. Boretzky

Helmholtz

M. J. G. Borge

CSIC - Instituto de Estructura de la Materia (IEM)

G. Burgunder

Grand Accélérateur National d'Ions Lourds (GANIL)

M. Camaño

Universidade de Santiagode Compostela

C. Caesar

Technische Universität Darmstadt

Helmholtz

E. Casarejos

University of Vigo

W. Catford

University of Surrey

J. Cederkäll

Lund University

S. Chakraborty

Saha Institute of Nuclear Physics

M. Chartier

University of Liverpool

L.V. Chulkov

National Research Centre "Kurchatov Institute"

Helmholtz

D. Cortina-Gil

Universidade de Santiagode Compostela

R. Crespo

University of Lisbon

U. Datta

Saha Institute of Nuclear Physics

Paloma Diaz Fernandez

Universidade de Santiagode Compostela

I. Dillmann

Justus Liebig University Giessen

Helmholtz

Z. Elekes

Hungarian Academy of Sciences

J. Enders

Technische Universität Darmstadt

O. Ershova

Goethe University Frankfurt

A. Estradé

Saint Mary's University

Helmholtz

F. Farinon

Helmholtz

L.M. Fraile

Complutense University

M. Freer

University of Birmingham

M. Freudenberger

Technische Universität Darmstadt

H. O. U. Fynbo

Aarhus University

D. Galaviz

University of Lisbon

H. Geissel

Helmholtz

Justus Liebig University Giessen

R. Gernhäuser

Technical University of Munich

K. Göbel

Goethe University Frankfurt

P. Golubev

Lund University

D. Gonzalez Diaz

Technische Universität Darmstadt

Julius Hagdahl

Chalmers, Physics

T. Heftrich

Goethe University Frankfurt

M. Heil

Helmholtz

M. Heine

Technische Universität Darmstadt

A. Henriques

University of Lisbon

M. Holl

Technische Universität Darmstadt

G. Ickert

Helmholtz

A. Ignatov

Technische Universität Darmstadt

B. Jakobsson

Lund University

Håkan T Johansson

Chalmers, Physics, Subatomic and Plasma Physics

Björn Jonson

Chalmers, Physics, Subatomic and Plasma Physics

N. Kalantar-Nayestanaki

University of Groningen

R. Kanungo

Saint Mary's University

R. Knöbel

Helmholtz

Justus Liebig University Giessen

T. Kröll

Technische Universität Darmstadt

R. Krücken

Technical University of Munich

J. Kurcewicz

Helmholtz

N. Kurz

Helmholtz

M. Labiche

Daresbury Laboratory

C. Langer

Goethe University Frankfurt

T. Le Bleis

Technical University of Munich

R. Lemmon

Daresbury Laboratory

O. Lepyoshkina

Technical University of Munich

Simon Lindberg

Chalmers, Physics, Subatomic and Plasma Physics

J. Machado

University of Lisbon

J. Marganiec

Helmholtz

Technische Universität Darmstadt

V. Maroussov

University of Cologne

M. Mostazo

Universidade de Santiagode Compostela

A. Movsesyan

Technische Universität Darmstadt

A. Najafi

University of Groningen

Thomas Nilsson

Chalmers, Physics, Subatomic and Plasma Physics

C. Nociforo

Helmholtz

V. Panin

Technische Universität Darmstadt

S. Paschalis

Technische Universität Darmstadt

A. Perea

CSIC - Instituto de Estructura de la Materia (IEM)

M. Petri

Technische Universität Darmstadt

S. Pietri

Helmholtz

R. Plag

Goethe University Frankfurt

A. Prochazka

Helmholtz

A. Rahaman

Saha Institute of Nuclear Physics

G. Rastrepina

Helmholtz

R. Reifarth

Goethe University Frankfurt

G. Ribeiro

CSIC - Instituto de Estructura de la Materia (IEM)

M.V. Ricciardi

Helmholtz

C. Rigollet

University of Groningen

K. Riisager

Aarhus University

M. Röder

Helmholtz

Technische Universität Dresden

M. Rossi

Helmholtz

J. Sanchez del Rio

CSIC - Instituto de Estructura de la Materia (IEM)

D. Savran

Helmholtz

H. Scheit

Technische Universität Darmstadt

H. Simon

Helmholtz

O. Sorlin

Grand Accélérateur National d'Ions Lourds (GANIL)

V. Stoica

University of Groningen

B. Streicher

University of Groningen

Helmholtz

J.T. Taylor

University of Liverpool

O. Tengblad

CSIC - Instituto de Estructura de la Materia (IEM)

S. Terashima

Helmholtz

Y. Togano

Helmholtz

E. Uberseder

University of Notre Dame

J. Van De Walle

University of Groningen

P. Velho

University of Lisbon

V. Volkov

National Research Centre "Kurchatov Institute"

Technische Universität Darmstadt

A. Wagner

Helmholtz

F. Wamers

Technische Universität Darmstadt

Helmholtz

H. Weick

Helmholtz

M. Weigand

Goethe University Frankfurt

C. Wheldon

University of Birmingham

G. Wilson

University of Surrey

C. Wimmer

Goethe University Frankfurt

J.S. Winfield

Helmholtz

P. Woods

University of Edinburgh

D. Yakorev

Helmholtz

Mikhail Zhukov

Chalmers, Physics, Subatomic and Plasma Physics

A. Zilges

University of Cologne

K. Zuber

Technische Universität Dresden

Physical Review C - Nuclear Physics

0556-2813 (ISSN) 1089-490X (eISSN)

Vol. 93 5 054601

Subject Categories

Subatomic Physics

Physical Sciences

Roots

Basic sciences

DOI

10.1103/PhysRevC.93.054601

More information

Latest update

4/8/2021 6