Study of non-fusion products in the 50Ti+249Cf reaction

A. Di Nitto; J. Khuyagbaatar; D. Ackermann; L.-L. Andersson; E. Badura; M. Block; H. Brand; I. Conrad; D. M. Cox; Ch. E. Düllmann; J. Dvorak; K. Eberhardt; P. A. Ellison; N. E. Esker; J. Even; C. Fahlander; U. Forsberg; J. M. Gates; P. Golubev; O. Gothe; K. E. Gregorich; W. Hartmann; R. D. Herzberg; F. P. Heßberger; J. Hoffmann; R. Hollinger; A. Hübner; E. Jäger; B. Kindler; S. Klein; I. Kojouharov; J. V. Kratz; J. Krier; N. Kurz; S. Lahiri; B. Lommel; M. Maiti; R. Mändl; E. Merchán; S. Minami; A. K. Mistry; C. Mokry; H. Nitsche; J. P. Omtvedt; G. K. Pang; D. Renisch; D. Rudolph; J. Runke; L. G. Sarmiento; M. Schädel

doi:10.1016/j.physletb.2018.07.058

Study of non-fusion products in the 50Ti+249Cf reaction

A. Di Nitto, J. Khuyagbaatar, D. Ackermann, L.-L. Andersson, E. Badura, M. Block, H. Brand, I. Conrad, D. M. Cox, Ch. E. Düllmann, J. Dvorak, K. Eberhardt, P. A. Ellison, N. E. Esker, J. Even, C. Fahlander, U. Forsberg, J. M. Gates, P. Golubev, O. GotheK. E. Gregorich, W. Hartmann, R. D. Herzberg, F. P. Heßberger, J. Hoffmann, R. Hollinger, A. Hübner, E. Jäger, B. Kindler, S. Klein, I. Kojouharov, J. V. Kratz, J. Krier, N. Kurz, S. Lahiri, B. Lommel, M. Maiti, R. Mändl, E. Merchán, S. Minami, A. K. Mistry, C. Mokry, H. Nitsche, J. P. Omtvedt, G. K. Pang, D. Renisch, D. Rudolph, J. Runke, L. G. Sarmiento, M. Schädel

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Abstract

The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.

Original language	English
Pages (from-to)	199-205
Number of pages	7
Journal	Physics Letters B
Volume	784
DOIs	https://doi.org/10.1016/j.physletb.2018.07.058
Publication status	Published - 10-Sept-2018

Keywords

production of radioactive nuclei
MULTINUCLEON TRANSFER-REACTIONS
COLLISIONS
HEAVY
FISSION
U-238
CA-48+CM-248
PROBABILITY
ISOTOPES
ELEMENTS
BARRIER

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Di Nitto, A., Khuyagbaatar, J., Ackermann, D., Andersson, L.-L., Badura, E., Block, M., Brand, H., Conrad, I., Cox, D. M., Düllmann, C. E., Dvorak, J., Eberhardt, K., Ellison, P. A., Esker, N. E., Even, J., Fahlander, C., Forsberg, U., Gates, J. M., Golubev, P., ... Schädel, M. (2018). Study of non-fusion products in the 50Ti+249Cf reaction. Physics Letters B, 784, 199-205. https://doi.org/10.1016/j.physletb.2018.07.058

@article{589d5885e3cc417295aa24e37b6f9444,

title = "Study of non-fusion products in the 50Ti+249Cf reaction",

abstract = "The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.",

keywords = "production of radioactive nuclei, MULTINUCLEON TRANSFER-REACTIONS, COLLISIONS, HEAVY, FISSION, U-238, CA-48+CM-248, PROBABILITY, ISOTOPES, ELEMENTS, BARRIER",

author = "{Di Nitto}, A. and J. Khuyagbaatar and D. Ackermann and L.-L. Andersson and E. Badura and M. Block and H. Brand and I. Conrad and Cox, {D. M.} and D{\"u}llmann, {Ch. E.} and J. Dvorak and K. Eberhardt and Ellison, {P. A.} and Esker, {N. E.} and J. Even and C. Fahlander and U. Forsberg and Gates, {J. M.} and P. Golubev and O. Gothe and Gregorich, {K. E.} and W. Hartmann and Herzberg, {R. D.} and He{\ss}berger, {F. P.} and J. Hoffmann and R. Hollinger and A. H{\"u}bner and E. J{\"a}ger and B. Kindler and S. Klein and I. Kojouharov and Kratz, {J. V.} and J. Krier and N. Kurz and S. Lahiri and B. Lommel and M. Maiti and R. M{\"a}ndl and E. Merch{\'a}n and S. Minami and Mistry, {A. K.} and C. Mokry and H. Nitsche and Omtvedt, {J. P.} and Pang, {G. K.} and D. Renisch and D. Rudolph and J. Runke and Sarmiento, {L. G.} and M. Sch{\"a}del",

year = "2018",

month = sep,

day = "10",

doi = "10.1016/j.physletb.2018.07.058",

language = "English",

volume = "784",

pages = "199--205",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "ELSEVIER SCIENCE BV",

}

Di Nitto, A, Khuyagbaatar, J, Ackermann, D, Andersson, L-L, Badura, E, Block, M, Brand, H, Conrad, I, Cox, DM, Düllmann, CE, Dvorak, J, Eberhardt, K, Ellison, PA, Esker, NE, Even, J, Fahlander, C, Forsberg, U, Gates, JM, Golubev, P, Gothe, O, Gregorich, KE, Hartmann, W, Herzberg, RD, Heßberger, FP, Hoffmann, J, Hollinger, R, Hübner, A, Jäger, E, Kindler, B, Klein, S, Kojouharov, I, Kratz, JV, Krier, J, Kurz, N, Lahiri, S, Lommel, B, Maiti, M, Mändl, R, Merchán, E, Minami, S, Mistry, AK, Mokry, C, Nitsche, H, Omtvedt, JP, Pang, GK, Renisch, D, Rudolph, D, Runke, J, Sarmiento, LG & Schädel, M 2018, 'Study of non-fusion products in the 50Ti+249Cf reaction', Physics Letters B, vol. 784, pp. 199-205. https://doi.org/10.1016/j.physletb.2018.07.058

TY - JOUR

T1 - Study of non-fusion products in the 50Ti+249Cf reaction

AU - Di Nitto, A.

AU - Khuyagbaatar, J.

AU - Ackermann, D.

AU - Andersson, L.-L.

AU - Badura, E.

AU - Block, M.

AU - Brand, H.

AU - Conrad, I.

AU - Cox, D. M.

AU - Düllmann, Ch. E.

AU - Dvorak, J.

AU - Eberhardt, K.

AU - Ellison, P. A.

AU - Esker, N. E.

AU - Even, J.

AU - Fahlander, C.

AU - Forsberg, U.

AU - Gates, J. M.

AU - Golubev, P.

AU - Gothe, O.

AU - Gregorich, K. E.

AU - Hartmann, W.

AU - Herzberg, R. D.

AU - Heßberger, F. P.

AU - Hoffmann, J.

AU - Hollinger, R.

AU - Hübner, A.

AU - Jäger, E.

AU - Kindler, B.

AU - Klein, S.

AU - Kojouharov, I.

AU - Kratz, J. V.

AU - Krier, J.

AU - Kurz, N.

AU - Lahiri, S.

AU - Lommel, B.

AU - Maiti, M.

AU - Mändl, R.

AU - Merchán, E.

AU - Minami, S.

AU - Mistry, A. K.

AU - Mokry, C.

AU - Nitsche, H.

AU - Omtvedt, J. P.

AU - Pang, G. K.

AU - Renisch, D.

AU - Rudolph, D.

AU - Runke, J.

AU - Sarmiento, L. G.

AU - Schädel, M.

PY - 2018/9/10

Y1 - 2018/9/10

N2 - The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.

AB - The isotopic distribution of nuclei produced in the 50Ti + 249Cf reaction has been studied at the gas-filled recoil separator TASCA at GSI Darmstadt, which separates ions according to differences in magnetic rigidity. The bombardment was performed at an energy around the Bass barrier and with the TASCA magnetic fields set for collecting fusion-evaporation reaction products. Fifty-three isotopes located “north-east” of 208Pb were identified as recoiling products formed in non-fusion channels of the reaction. These recoils were implanted with energies in two distinct ranges; besides one with higher energy, a significant low-energy contribution was identified. The latter observation was not expected to occur according to kinematics of the known types of reactions, namely quasi-elastic, multi-nucleon transfer, deep-inelastic collisions or quasifission. The present observations are discussed within the framework of two-body kinematics passing through the formation of a composite system.

KW - production of radioactive nuclei

KW - MULTINUCLEON TRANSFER-REACTIONS

KW - COLLISIONS

KW - HEAVY

KW - FISSION

KW - U-238

KW - CA-48+CM-248

KW - PROBABILITY

KW - ISOTOPES

KW - ELEMENTS

KW - BARRIER

U2 - 10.1016/j.physletb.2018.07.058

DO - 10.1016/j.physletb.2018.07.058

M3 - Article

SN - 0370-2693

VL - 784

SP - 199

EP - 205

JO - Physics Letters B

JF - Physics Letters B

ER -

Study of non-fusion products in the 50Ti+249Cf reaction

Abstract

Keywords

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