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Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes

Thies, R, Heinz, A, Adachi, T, Aksyutina, Y, Alcantara-Nunes, J, Altstadt, S, Alvarez-Pol, H, Ashwood, N, Aumann, T, Avdeichikov, V , Barr, M, Beceiro-Novo, S, Bemmerer, D, Benlliure, J, Bertulani, CA, Boretzky, K, Borge, MJG, Burgunder, G, Camano, M, Caesar, C, Casarejos, E, Catford, W, Cederkall, J, Chakraborty, S, Chartier, M, Chulkov, LV, Cortina-Gil, D, Crespo, R, Datta, U, Diaz Fernandez, P, Dillmann, I, Elekes, Z, Enders, J, Ershova, O, Estrade, A, Farinon, F, Fraile, LM, Freer, M, Freudenberger, M, Fynbo, HOU, Galaviz, D, Geissel, H, Gernhauser, R, Gobel, K, Golubev, P, Diaz, DG, Hagdahl, J, Heftrich, T, Heil, M, Heine, M, Henriques, A, Holl, M, Ickert, G, Ignatov, A, Jakobsson, B, Johansson, HT, Jonson, B, Kalantar-Nayestanaki, N, Kanungo, R, Knobel, R, Kroll, T, Krucken, R, Kurcewicz, J, Kurz, N, Labiche, M, Langer, C, Le Bleis, T, Lemmon, R, Lepyoshkina, O, Lindberg, S, Machado, J, Marganiec, J, Maroussov, V, Mostazo, M, Movsesyan, A, Najafi, A, Nilsson, T, Nociforo, C, Panin, V, Paschalis, S, Perea, A, Petri, M, Pietri, S, Plag, R, Prochazka, A, Rahaman, A, Rastrepina, G, Reifarth, R, Ribeiro, G, Ricciardi, MV, Rigollet, C, Riisager, K, Roder, M, Rossi, D, Sanchez del Rio, J, Savran, D, Scheit, H, Simon, H, Sorlin, O, Stoica, V, Streicher, B, Taylor, JT, Tengblad, O, Terashima, S, Togano, Y, Uberseder, E, Van de Walle, J, Velho, P, Volkov, V, Wagner, A, Wamers, F, Weick, H, Weigand, M, Wheldon, C, Wilson, G, Wimmer, C, Winfield, JS, Woods, P, Yakorev, D, Zhukov, MV, Zilges, A and Zuber, K (2016) Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes PHYSICAL REVIEW C, 93 (5), ARTN 05460.

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Abstract

Background: 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 to reach 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 10,12-18C and 10-15B isotopes colliding with a carbon target. These measurements were all performed within one experiment, which gives rise to a very consistent dataset. We compare our data to model calculations. Results: One-proton removal cross sections with different final neutron numbers (1pxn) for relativistic 10,12-18C and 10-15B isotopes impinging on a carbon target. Comparing model calculations to the data, we find that EPAX 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 have allowed for 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.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Thies, RUNSPECIFIEDUNSPECIFIED
Heinz, AUNSPECIFIEDUNSPECIFIED
Adachi, TUNSPECIFIEDUNSPECIFIED
Aksyutina, YUNSPECIFIEDUNSPECIFIED
Alcantara-Nunes, JUNSPECIFIEDUNSPECIFIED
Altstadt, SUNSPECIFIEDUNSPECIFIED
Alvarez-Pol, HUNSPECIFIEDUNSPECIFIED
Ashwood, NUNSPECIFIEDUNSPECIFIED
Aumann, TUNSPECIFIEDUNSPECIFIED
Avdeichikov, VUNSPECIFIEDUNSPECIFIED
Barr, MUNSPECIFIEDUNSPECIFIED
Beceiro-Novo, SUNSPECIFIEDUNSPECIFIED
Bemmerer, DUNSPECIFIEDUNSPECIFIED
Benlliure, JUNSPECIFIEDUNSPECIFIED
Bertulani, CAUNSPECIFIEDUNSPECIFIED
Boretzky, KUNSPECIFIEDUNSPECIFIED
Borge, MJGUNSPECIFIEDUNSPECIFIED
Burgunder, GUNSPECIFIEDUNSPECIFIED
Camano, MUNSPECIFIEDUNSPECIFIED
Caesar, CUNSPECIFIEDUNSPECIFIED
Casarejos, EUNSPECIFIEDUNSPECIFIED
Catford, WUNSPECIFIEDUNSPECIFIED
Cederkall, JUNSPECIFIEDUNSPECIFIED
Chakraborty, SUNSPECIFIEDUNSPECIFIED
Chartier, MUNSPECIFIEDUNSPECIFIED
Chulkov, LVUNSPECIFIEDUNSPECIFIED
Cortina-Gil, DUNSPECIFIEDUNSPECIFIED
Crespo, RUNSPECIFIEDUNSPECIFIED
Datta, UUNSPECIFIEDUNSPECIFIED
Diaz Fernandez, PUNSPECIFIEDUNSPECIFIED
Dillmann, IUNSPECIFIEDUNSPECIFIED
Elekes, ZUNSPECIFIEDUNSPECIFIED
Enders, JUNSPECIFIEDUNSPECIFIED
Ershova, OUNSPECIFIEDUNSPECIFIED
Estrade, AUNSPECIFIEDUNSPECIFIED
Farinon, FUNSPECIFIEDUNSPECIFIED
Fraile, LMUNSPECIFIEDUNSPECIFIED
Freer, MUNSPECIFIEDUNSPECIFIED
Freudenberger, MUNSPECIFIEDUNSPECIFIED
Fynbo, HOUUNSPECIFIEDUNSPECIFIED
Galaviz, DUNSPECIFIEDUNSPECIFIED
Geissel, HUNSPECIFIEDUNSPECIFIED
Gernhauser, RUNSPECIFIEDUNSPECIFIED
Gobel, KUNSPECIFIEDUNSPECIFIED
Golubev, PUNSPECIFIEDUNSPECIFIED
Diaz, DGUNSPECIFIEDUNSPECIFIED
Hagdahl, JUNSPECIFIEDUNSPECIFIED
Heftrich, TUNSPECIFIEDUNSPECIFIED
Heil, MUNSPECIFIEDUNSPECIFIED
Heine, MUNSPECIFIEDUNSPECIFIED
Henriques, AUNSPECIFIEDUNSPECIFIED
Holl, MUNSPECIFIEDUNSPECIFIED
Ickert, GUNSPECIFIEDUNSPECIFIED
Ignatov, AUNSPECIFIEDUNSPECIFIED
Jakobsson, BUNSPECIFIEDUNSPECIFIED
Johansson, HTUNSPECIFIEDUNSPECIFIED
Jonson, BUNSPECIFIEDUNSPECIFIED
Kalantar-Nayestanaki, NUNSPECIFIEDUNSPECIFIED
Kanungo, RUNSPECIFIEDUNSPECIFIED
Knobel, RUNSPECIFIEDUNSPECIFIED
Kroll, TUNSPECIFIEDUNSPECIFIED
Krucken, RUNSPECIFIEDUNSPECIFIED
Kurcewicz, JUNSPECIFIEDUNSPECIFIED
Kurz, NUNSPECIFIEDUNSPECIFIED
Labiche, MUNSPECIFIEDUNSPECIFIED
Langer, CUNSPECIFIEDUNSPECIFIED
Le Bleis, TUNSPECIFIEDUNSPECIFIED
Lemmon, RUNSPECIFIEDUNSPECIFIED
Lepyoshkina, OUNSPECIFIEDUNSPECIFIED
Lindberg, SUNSPECIFIEDUNSPECIFIED
Machado, JUNSPECIFIEDUNSPECIFIED
Marganiec, JUNSPECIFIEDUNSPECIFIED
Maroussov, VUNSPECIFIEDUNSPECIFIED
Mostazo, MUNSPECIFIEDUNSPECIFIED
Movsesyan, AUNSPECIFIEDUNSPECIFIED
Najafi, AUNSPECIFIEDUNSPECIFIED
Nilsson, TUNSPECIFIEDUNSPECIFIED
Nociforo, CUNSPECIFIEDUNSPECIFIED
Panin, VUNSPECIFIEDUNSPECIFIED
Paschalis, SUNSPECIFIEDUNSPECIFIED
Perea, AUNSPECIFIEDUNSPECIFIED
Petri, MUNSPECIFIEDUNSPECIFIED
Pietri, SUNSPECIFIEDUNSPECIFIED
Plag, RUNSPECIFIEDUNSPECIFIED
Prochazka, AUNSPECIFIEDUNSPECIFIED
Rahaman, AUNSPECIFIEDUNSPECIFIED
Rastrepina, GUNSPECIFIEDUNSPECIFIED
Reifarth, RUNSPECIFIEDUNSPECIFIED
Ribeiro, GUNSPECIFIEDUNSPECIFIED
Ricciardi, MVUNSPECIFIEDUNSPECIFIED
Rigollet, CUNSPECIFIEDUNSPECIFIED
Riisager, KUNSPECIFIEDUNSPECIFIED
Roder, MUNSPECIFIEDUNSPECIFIED
Rossi, DUNSPECIFIEDUNSPECIFIED
Sanchez del Rio, JUNSPECIFIEDUNSPECIFIED
Savran, DUNSPECIFIEDUNSPECIFIED
Scheit, HUNSPECIFIEDUNSPECIFIED
Simon, HUNSPECIFIEDUNSPECIFIED
Sorlin, OUNSPECIFIEDUNSPECIFIED
Stoica, VUNSPECIFIEDUNSPECIFIED
Streicher, BUNSPECIFIEDUNSPECIFIED
Taylor, JTUNSPECIFIEDUNSPECIFIED
Tengblad, OUNSPECIFIEDUNSPECIFIED
Terashima, SUNSPECIFIEDUNSPECIFIED
Togano, YUNSPECIFIEDUNSPECIFIED
Uberseder, EUNSPECIFIEDUNSPECIFIED
Van de Walle, JUNSPECIFIEDUNSPECIFIED
Velho, PUNSPECIFIEDUNSPECIFIED
Volkov, VUNSPECIFIEDUNSPECIFIED
Wagner, AUNSPECIFIEDUNSPECIFIED
Wamers, FUNSPECIFIEDUNSPECIFIED
Weick, HUNSPECIFIEDUNSPECIFIED
Weigand, MUNSPECIFIEDUNSPECIFIED
Wheldon, CUNSPECIFIEDUNSPECIFIED
Wilson, GUNSPECIFIEDUNSPECIFIED
Wimmer, CUNSPECIFIEDUNSPECIFIED
Winfield, JSUNSPECIFIEDUNSPECIFIED
Woods, PUNSPECIFIEDUNSPECIFIED
Yakorev, DUNSPECIFIEDUNSPECIFIED
Zhukov, MVUNSPECIFIEDUNSPECIFIED
Zilges, AUNSPECIFIEDUNSPECIFIED
Zuber, KUNSPECIFIEDUNSPECIFIED
Date : 2 May 2016
Identification Number : 10.1103/PhysRevC.93.054601
Copyright Disclaimer : Copyright 2016 American Physical Society. This is an arXiv version of the accepted paper.
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Nuclear, Physics, NUCLEAR-LEVEL DENSITY, CROSS-SECTIONS, MODEL, ENERGIES, IONS
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 01 Feb 2017 13:09
Last Modified : 31 Oct 2017 19:05
URI: http://epubs.surrey.ac.uk/id/eprint/813426

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