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{userid:"joachim.enders", "refid":"185","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Quasi-free proton knockout from <sup>12<\/sup>C on carbon target at 398 MeV\/u","year":"2019","author":"V. Panin, M. Holl and J.T. Taylor and Y. Aksyutina and H. Alvarez-Pol and T. Aumann and C.A. Bertulani and K. Boretzky and C. Caesar and M. Chartier and L.V. Chulkov and D. Cortina-Gil and J. Enders and O. Ershova and H. Geissel and R. Gernh\u00e4user and M. Heil and H.T. Johansson and B. Jonson and A. Keli\u0107-Heil and O. Kiselev and C. Langer and T. Le Bleis and R. Lemmon and T. Nilsson and S. Paschalis and M. Petri and R. Plag and R. Reifarth and D. Rossi and H. Scheit and H. Simon and F. Wamers and H. Weick and C. Wimmer","journal":"Physics Letters B","volume":"797","number":"","pages":"134802 1-6","month":"Oct","doi":"https:\/\/doi.org\/10.1016\/j.physletb.2019.134802","pubmed":"","pdflink":"","urllink":"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0370269319305064","abstract":"The proton-removal mechanism of the <sup>12<\/sup>C\u2192<sup>11<\/sup>B reaction induced on a carbon target via elementary nucleon-nucleon scattering is investigated in exclusive triple-coincidence measurements. The observed two-nucleon angular correlations are found to be consistent with quasi-free scattering of a projectile-like proton off a target-like nucleon. Exclusive cross sections for one-step pp and pn interactions are determined as \u03c3<sub>pp<\/sub>=17.2(12) mb and \u03c3<sub>pn<\/sub>=18.2(18), respectively. The extracted quasi-free component amounts up to 58(4)% of the total proton-removal cross section. The results are compared to total proton-removal cross sections obtained from the experiment and eikonal reaction theory.","note":"","tags":"Direct nuclear reactions, One-nucleon removal, Quasi-free scattering, Cross sections, GSI, BMBF, NuSTAR, R\u00b3B","weight":185}
,

{userid:"joachim.enders", "refid":"151","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Exclusive measurements of quasi-free proton scattering reactions in inverse and complete kinematics","year":"2016","author":"V Panin, J T Taylor, S Paschalis, F Wamers, Y Aksyutina, H Alvarez-Pol, T Aumann, C A Bertulani, K Boretzky, C Caesar, M Chartier, L V Chulkov, D Cortina-Gil, J Enders, O Ershova, H Geissel, R Gernhaeuser, M Heil, H T Johansson, B Jonson, A Kelic-Heil, C Langer, T Le Bleis, R Lemmon, T Nilsson, M Petri, R Plag, R Reifarth, D Rossi, H Scheit, H Simon, H Weick, C Wimmer","journal":"Physics Letters B","volume":"753","number":"","pages":"204-210","month":"Feb","doi":"10.1016\/j.physletb.2015.11.082","pubmed":"","pdflink":"","urllink":"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0370269315009612","abstract":"Quasi-free scattering reactions of the type (p,2p) were measured for the first time exclusively in complete and inverse kinematics, using a 12C beam at an energy of similar to 400 MeV\/u as a benchmark. This new technique has been developed to study the single-particle structure of exotic nuclei in experiments with radioactive-ion beams. The outgoing pair of protons and the fragments were measured simultaneously, enabling an unambiguous identification of the reaction channels and a redundant measurement of the kinematic observables. Both valence and deeply-bound nucleon orbits are probed, including those leading to unbound states of the daughter nucleus. Exclusive (p, 2p) cross sections of 15.8(18) mb, 1.9(2) mb and 1.5(2) mb to the low-lying 0p-hole states overlapping with the ground state (3\/2(-)) and with the bound excited states of B-11 at 2.125 MeV (1\/2(-)) and 5.02 MeV (3\/2(-)), respectively, were determined via gamma-ray spectroscopy. Particle-unstable deep-hole states, corresponding to proton removal from the 0s-orbital, were studied via the invariant-mass technique. Cross sections and momentum distributions were extracted and compared to theoretical calculations employing the eikonal formalism. The obtained results are in a good agreement with this theory and with direct-kinematics experiments. The dependence of the proton-proton scattering kinematics on the internal momentum of the struck proton and on its separation energy was investigated for the first time in inverse kinematics employing a large-acceptance measurement. (C) 2015 The Authors. Published by Elsevier B. V.","note":"","tags":"R\u00b3B, GSI, Quasi-Free Scattering, 12C","weight":151,"publisher":"","booktitle":"","editor":"","address":"","school":"","issn":"0370-2693","isi":"","key":"ISI:000368783600031","howpublished":""}
,

{userid:"joachim.enders", "refid":"134","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Beyond the neutron drip line: The unbound oxygen isotopes <sup>25<\/sup>O and <sup>26<\/sup>O","year":"2013","author":"C Caesar, J Simonis, T Adachi, Y Aksyutina, J Alcantara, S Altstadt, H Alvarez-Pol, N Ashwood, T Aumann, V Avdeichikov, M Barr, S Beceiro, D Bemmerer, J Benlliure, C A Bertulani, K Boretzky, M J G Borge, G Burgunder, M Caamano, E Casarejos, W Catford, J Cederk\u00e4ll, S Chakraborty, M Chartier, L Chulkov, D Cortina-Gil, U Datta Pramanik, P Diaz Fernandez, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, M Freudenberger, H O U Fynbo, D Galaviz, H Geissel, R Gernh\u00e4user, P Golubev, D Gonzalez Diaz, J Hagdahl, T Heftrich, M Heil, M Heine, A Heinz, A Henriques, M Holl, J D Holt, G Ickert, A Ignatov, B Jakobsson, H T Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, A Kelic-Heil, R Kn\u00f6bel, T Kr\u00f6ll, R Kr\u00fccken, J Kurcewicz, M Labiche, C Langer, T Le Bleis, R Lemmon, O Lepyoshkina, S Lindberg, J Machado, J Marganiec, V Maroussov, J Men\u00e9ndez, M Mostazo, A Movsesyan, A Najafi, T Nilsson, C Nociforo, V Panin, A Perea, S Pietri, R Plag, A Prochazka, A Rahaman, G Rastrepina, R Reifarth, G Ribeiro, M V Ricciardi, C Rigollet, K Riisager, M R\u00f6der, D Rossi, J Sanchez del Rio, D Savran, H Scheit, A Schwenk, H Simon, O Sorlin, V Stoica, B Streicher, J Taylor, O Tengblad, S Terashima, R Thies, Y Togano, E Uberseder, J Van de Walle, P Velho, V Volkov, A Wagner, F Wamers, H Weick, M Weigand, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, D Yakorev, M V Zhukov, A Zilges, M Zoric, K Zuber","journal":"Physical Review C","volume":"88","number":"3","pages":"034313 1-8","month":"Sep","doi":"10.1103\/PhysRevC.88.034313","pubmed":"","pdflink":"","urllink":"http:\/\/link.aps.org\/doi\/10.1103\/PhysRevC.88.034313","abstract":"The very neutron-rich oxygen isotopes 25O and 26O are investigated experimentally and theoretically. The unbound states are populated in an experiment performed at the R3B-LAND setup at GSI via proton-knockout reactions from 26F and 27F at relativistic energies around 442 and 414 MeV\/nucleon, respectively. From the kinematically complete measurement of the decay into 24O plus one or two neutrons, the 25O ground-state energy and width are determined, and upper limits for the 26O ground-state energy and lifetime are extracted. In addition, the results provide indications for an excited state in 26O at around 4 MeV. The experimental findings are compared to theoretical shell-model calculations based on chiral two- and three-nucleon (3N) forces, including for the first time residual 3N forces, which are shown to be amplified as valence neutrons are added.","note":"","tags":"Knockout Reaction, R3B, GSI, 25O, 26O","publisher":"American Physical Society","booktitle":"","editor":"","address":"","school":"","issn":"","isi":"","key":"PhysRevC.88.034313","howpublished":"http:\/\/link.aps.org\/doi\/10.1103\/PhysRevC.88.034313"}
,

{userid:"joachim.enders", "refid":"148","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Determination of the neutron-capture rate of <sup>17<\/sup>C for r-process nucleosynthesis","year":"2017","author":"M Heine, S Typel, M.-R. Wu, T Adachi, Y Aksyutina, J Alcantara, S Altstadt, H Alvarez-Pol, N Ashwood, L Atar, T Aumann, V Avdeichikov, M Barr, S Beceiro-Novo, D Bemmerer, J Benlliure, C A Bertulani, K Boretzky, M J G Borge, G Burgunder, M Caamano, C Caesar, E Casarejos, W Catford, J Cederkaell, S Chakraborty, M Chartier, L V Chulkov, D Cortina-Gil, R Crespo, U Datta Pramanik, P Diaz Fernandez, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, M Freudenberger, H O U Fynbo, D Galaviz, H Geissel, R Gernhaeuser, K Goebel, P Golubev, D Gonzalez Diaz, J Hagdahl, T Heftrich, M Heil, A Heinz, A Henriques, M Holl, G Ickert, A Ignatov, B Jakobsson, H T Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, A Kelic-Heil, R Knoebel, T Kroell, R Kruecken, J Kurcewicz, N Kurz, M Labiche, C Langer, T Le Bleis, R Lemmon, O Lepyoshkina, S Lindberg, J Machado, J Marganiec, G Martinez-Pinedo, V Maroussov, M Mostazo, A Movsesyan, A Najafi, T Neff, T Nilsson, C Nociforo, V Panin, S Paschalis, A Perea, M Petri, S Pietri, R Plag, A Prochazka, A Rahaman, G Rastrepina, R Reifarth, G Ribeiro, M V Ricciardi, C Rigollet, K Riisager, M Roeder, D Rossi, J Sanchez del Rio, D Savran, H Scheit, H Simon, O Sorlin, V Stoica, B Streicher, J T Taylor, O Tengblad, S Terashima, R Thies, Y Togano, E Uberseder, J Van de Walle, P Velho, V Volkov, A Wagner, F Wamers, H Weick, M Weigand, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, D Yakorev, M V Zhukov, A Zilges, K Zuber, R\u00b3B Collaboration","journal":"Physical Review C","volume":"95","number":"1","pages":"014613 1-9","month":"Jan","doi":"10.1103\/PhysRevC.95.014613","pubmed":"","pdflink":"","urllink":"https:\/\/journals.aps.org\/prc\/abstract\/10.1103\/PhysRevC.95.014613","abstract":"With the R\u00b3B-LAND setup at GSI we have measured exclusive relative-energy spectra of the Coulomb dissociation of C-18 at a projectile energy around 425A MeV on a lead target, which are needed to determine the radiative neutron-capture cross sections of C-17 into the ground state of C-18. Those data have been used to constrain theoretical calculations for transitions populating excited states in C-18. This allowed to derive the astrophysical cross section sigma(n gamma)*. accounting for the thermal population of C-17 target states in astrophysical scenarios. The experimentally verified capture rate is significantly lower than those of previously obtained Hauser-Feshbach estimations at temperatures T9 <= 1 GK. Network simulations with updated neutron-capture rates and hydrodynamics according to the neutrino-driven wind model as well as the neutron-star merger scenario reveal no pronounced influence of neutron capture of C-17 on the production of second-and third-peak elements in contrast to earlier sensitivity studies.","note":"","tags":"GSI, R\u00b3B, Breakup Reaction, Nuclear Astrophysics, r-Process, 17C","weight":148,"publisher":"","booktitle":"","editor":"","address":"","school":"","issn":"2469-9985","isi":"","key":"ISI:000399784100005","howpublished":""}
,

{userid:"joachim.enders", "refid":"150","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Coulomb dissociation of <sup>20,21<\/sup>N","year":"2016","author":"M Roeder, T Adachi, Y Aksyutina, J Alcantara, S Altstadt, H Alvarez-Pol, N Ashwood, L Atar, T Aumann, V Avdeichikov, M Barr, S Beceiro, D Bemmerer, J Benlliure, C Bertulani, K Boretzky, M J G Borge, G Burgunder, M Caamano, C Caesar, E Casarejos, W Catford, J Cederkall, S Chakraborty, M Chartier, L Chulkov, D Cortina-Gil, R Crespo, U Datta Pramanik, P Diaz-Fernandez, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, M Freudenberger, H Fynbo, D Galaviz, H Geissel, R Gernhaeuser, K Goebel, P Golubev, D Gonzalez Diaz, J Hagdahl, T Heftrich, M Heil, M Heine, A Heinz, A Henriques, M Holl, G Ickert, A Ignatov, B Jakobsson, H Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, A Kelic-Heil, R Knoebel, T Kroell, R Kruecken, J Kurcewicz, N Kurz, M Labiche, C Langer, T Le Bleis, R Lemmon, O Lepyoshkina, S Lindberg, J Machado, J Marganiec, M Mostazo Caro, A Movsesyan, M A Najafi, T Nilsson, C Nociforo, V Panin, S Paschalis, A Perea, M Petri, S Pietri, R Plag, A Prochazka, M Anisur Rahaman, G Rastrepina, R Reifarth, G Ribeiro, M V Ricciardi, C Rigollet, K Riisager, D Rossi, J Sanchez del Rio Saez, D Savran, H Scheit, H Simon, O Sorlin, V Stoica, B Streicher, J Taylor, O Tengblad, S Terashima, R Thies, Y Togano, E Uberseder, J Van de Walle, P Velho, V Volkov, A Wagner, F Wamers, H Weick, M Weigand, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, D Yakorev, M Zhukov, A Zilges, K Zuber, R\u00b3B Collaboration","journal":"Physical Review C","volume":"93","number":"6","pages":"065807 1-11","month":"JUN","doi":"10.1103\/PhysRevC.93.065807","pubmed":"","pdflink":"","urllink":"https:\/\/journals.aps.org\/prc\/abstract\/10.1103\/PhysRevC.93.065807","abstract":"Neutron-rich light nuclei and their reactions play an important role in the creation of chemical elements. Here, data from a Coulomb dissociation experiment on N-20,N-21 are reported. Relativistic N-20,N-21 ions impinged on a lead target and the Coulomb dissociation cross section was determined in a kinematically complete experiment. Using the detailed balance theorem, the N-19(n,gamma)N-20 and N-20(n,gamma)N-21 excitation functions and thermonuclear reaction rates have been determined. The N-19(n,gamma)N-20 rate is up to a factor of 5 higher at T < 1 GK with respect to previous theoretical calculations, leading to a 10% decrease in the predicted fluorine abundance.","note":"","tags":"GSI, R\u00b3B, Breakup Reaction, Nuclear Astrophysics ","weight":150,"publisher":"","booktitle":"","editor":"","address":"","school":"","issn":"2469-9985","isi":"","key":"ISI:000378818000006","howpublished":""}
,

{userid:"joachim.enders", "refid":"153","repocollections":"","attachment":"","_thumb":"","articletype":"inproceedings","sectionheading":"","title":"B-13,B-14(n,gamma) via Coulomb Dissociation for Nucleosynthesis towards the r-Process","year":"2014","author":"S G Altstadt, T Adachi, Y Aksyutina, J Alcantara, H Alvarez-Pol, N Ashwood, L Atar, T Aumann, V Avdeichikov, M Barr, S Beceiro, D Bemmerer, J Benlliure, C A Bertulani, K Boretzky, M J G Borge, G Burgunder, M Caamano, C Caesar, E Casarejos, W Catford, J Cederkall, S Chakraborty, M Chartier, L Chulkov, D Cortina-Gil, U Datta Pramanik, P Diaz Fernandez, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, M Freudenberger, H O U Fynbo, D Galaviz, H Geissel, R Gernhaeuser, K Goebel, P Golubev, D Gonzalez Diaz, J Hagdahl, T Heftrich, M Heil, M Heine, A Heinz, A Henriques, M Holl, J D Holt, G Ickert, A Ignatov, B Jakobsson, H T Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, A Kelic-Heil, R Knoebel, T Kroell, R Kruecken, J Kurcewicz, N Kurz, M Labiche, C Langer, T Le Bleis, R Lemmon, O Lepyoshkina, J Machado, J Marganiec, V Maroussov, J Menendez, M Mostazo, A Movsesyan, M A Najafi, T Nilsson, C Nociforo, V Panin, A Perea, S Pietri, R Plag, A Prochazka, A Rahaman, G Rastrepina, R Reifarth, G Ribeiro, M V Ricciardi, C Rigollet, K Riisager, M Roeder, D Rossi, J Sanchez del Rio, D Savran, H Scheit, A Schwenk, H Simon, J Simonis, K Sonnabend, O Sorlin, V Stoica, B Streicher, J Taylor, O Tengblad, S Terashima, R Thies, Y Togano, E Uberseder, J Van de Walle, P Velho, V Volkov, A Wagner, F Wamers, H Weick, M Weigand, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, D Yakorev, M V Zhukov, A Zilges, M Zoric, K Zuber, R 3 B Collaboration","booktitle":"Nuclear Data Sheets 120 [Proceedings of the International Conference on Nuclear Data for Science and Technology, New York, NY (2013)]","editor":"","pages":"197-200","organization":"","address":"","publisher":"","doi":"10.1016\/j.nds.2014.07.045","pubmed":"","pdflink":"","urllink":"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0090375214004979","abstract":"Radioactive beams of B-14,B-15 produced by fragmentation of a primary Ar-40 beam were directed onto a Pb target to investigate the neutron breakup within the Coulomb field. The experiment was performed at the LAND\/(RB)-B-3 setup. Preliminary results for the Coulomb dissociation cross sections as well as for the astrophysically interesting inverse reactions, B-13,B-14(n,gamma), are presented.","note":"","tags":"GSI, R\u00b3B, Breakup Reaction, Nuclear Astrophysics, r-Process","weight":153,"month":"JUN","journal":"NUCLEAR DATA SHEETS","volume":"120","number":"SI","school":"","issn":"0090-3752","isi":"","key":"ISI:000339860100055","howpublished":""}
,

{userid:"joachim.enders", "refid":"177","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Structure of <sup>13<\/sup>Be studied in proton knockout from <sup>14<\/sup>B","year":"2018","author":"G Ribeiro, E N\u00e1cher, O Tengblad, P D\u00edaz Fern\u00e1ndez, Y Aksyutina, H Alvarez-Pol, L Atar, T Aumann, V Avdeichikov, S Beceiro-Novo, D Bemmerer, J Benlliure, C A Bertulani, J M Boillos, K Boretzky, M J G Borge, M Caamano, C Caesar, E Casarejos, W Catford, J Cederk\u00e4ll, M Chartier, L Chulkov, D Cortina-Gil, E Cravo, R Crespo, U Datta Pramanik, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, H O U Fynbo, D Galaviz, H Geissel, R Gernh\u00e4user, P Golubev, K G\u00f6bel, J Hagdahl, T Heftrich, M Heil, M Heine, A Heinz, A Henriques, M Holl, A Hufnagel, A Ignatov, H T Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, A Kelic-Heil, N Kurz, T Kr\u00f6ll, M Labiche, C Langer, T Le Bleis, R Lemmon, S Lindberg, J Machado, J Marganiec, A Movsesyan, T Nilsson, C Nociforo, V Panin, S Paschalis, A Perea, M Petri, S Pietri, R Plag, R Reifarth, C Rigollet, K Riisager, D Rossi, M R\u00f6der, D Savran, H Scheit, H Simon, O Sorlin, I Syndikus, J T Taylor, R Thies, P Velho, A Wagner, F Wamers, M Vandebrouck, H Weick, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, M V Zhukov, A Zilges, K Zuber","journal":"Physical Review C","volume":"98","number":"2","pages":"024603 1-9","month":"Aug","doi":"10.1103\/PhysRevC.98.024603","pubmed":"","pdflink":"","urllink":"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevC.98.024603","abstract":"The neutron-unbound isotope <sup>13<\/sup>Be has been studied in several experiments using different reactions, different projectile energies, and different experimental setups. There is, however, no real consensus in the interpretation of the data, in particular concerning the structure of the low-lying excited states. Gathering new experimental information, which may reveal the <sup>13<\/sup>Be structure, is a challenge, particularly in light of its bridging role between <sup>12<\/sup>Be, where the N=8 neutron shell breaks down, and the Borromean halo nucleus <sup>14<\/sup>Be. The purpose of the present study is to investigate the role of bound excited states in the reaction product <sup>12<\/sup>Be after proton knockout from <sup>14<\/sup>B, by measuring coincidences between <sup>12<\/sup>Be, neutrons, and \u03b3 rays originating from de-excitation of states fed by neutron decay of <sup>13<\/sup>Be. The <sup>13<\/sup>Be isotopes were produced in proton knockout from a 400 MeV\/nucleon <sup>14<\/sup>B beam impinging on a CH<sub>2<\/sub> target. The <sup>12<\/sup>Be\u2212n relative-energy spectrum d\u03c3\/dE<sub>fn<\/sub> was obtained from coincidences between <sup>12<\/sup>Be(g.s.) and a neutron, and also as threefold coincidences by adding \u03b3 rays, from the de-excitation of excited states in <sup>12<\/sup>Be. Neutron decay from the first 5\/2<sup>+<\/sup> state in <sup>13<\/sup>Be to the 2<sup>+<\/sup> state in <sup>12<\/sup>Be  at 2.11 MeV is confirmed. An energy independence of the proton-knockout mechanism is found from a comparison with data taken with a 35 MeV\/nucleon <sup>14<\/sup>B beam. A low-lying p-wave resonance in <sup>13<\/sup>Be(1\/2<sup>\u2212<\/sup>) is confirmed by comparing proton- and neutron-knockout data from <sup>14<\/sup>B and <sup>14<\/sup>Be.","note":"","tags":"GSI, R\u00b3B, Breakup Reaction, Knockout, 13Be, 14B, LAND","weight":177,"publisher":"American Physical Society","booktitle":"","editor":"","address":"","school":"","issn":"","isi":"","key":"PhysRevC.98.024603","howpublished":"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevC.98.024603"}
,

{userid:"joachim.enders", "refid":"152","repocollections":"","attachment":"","_thumb":"","articletype":"article","sectionheading":"","title":"Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes","year":"2016","author":"R Thies, A Heinz, T Adachi, Y Aksyutina, J Alcantara-Nunes, S Altstadt, H Alvarez-Pol, N Ashwood, T Aumann, V Avdeichikov, M Barr, S Beceiro-Novo, D Bemmerer, J Benlliure, C A Bertulani, K Boretzky, M J G Borge, G Burgunder, M Camano, C Caesar, E Casarejos, W Catford, J Cederkall, S Chakraborty, M Chartier, L V Chulkov, D Cortina-Gil, R Crespo, U Datta, P Diaz Fernandez, I Dillmann, Z Elekes, J Enders, O Ershova, A Estrade, F Farinon, L M Fraile, M Freer, M Freudenberger, H O U Fynbo, D Galaviz, H Geissel, R Gernhauser, K Gobel, P Golubev, D Gonzalez Diaz, J Hagdahl, T Heftrich, M Heil, M Heine, A Henriques, M Holl, G Ickert, A Ignatov, B Jakobsson, H T Johansson, B Jonson, N Kalantar-Nayestanaki, R Kanungo, R Knobel, T Kr\u00f6ll, R Kr\u00fccken, J Kurcewicz, N Kurz, M Labiche, C Langer, T Le Bleis, R Lemmon, O Lepyoshkina, S Lindberg, J Machado, J Marganiec, V Maroussov, M Mostazo, A Movsesyan, A Najafi, T Nilsson, C Nociforo, V Panin, S Paschalis, A Perea, M Petri, S Pietri, R Plag, A Prochazka, A Rahaman, G Rastrepina, R Reifarth, G Ribeiro, M V Ricciardi, C Rigollet, K Riisager, M Roder, D Rossi, J Sanchez del Rio, D Savran, H Scheit, H Simon, O Sorlin, V Stoica, B Streicher, J T Taylor, O Tengblad, S Terashima, Y Togano, E Uberseder, J Van de Walle, P Velho, V Volkov, A Wagner, F Wamers, H Weick, M Weigand, C Wheldon, G Wilson, C Wimmer, J S Winfield, P Woods, D Yakorev, M V Zhukov, A Zilges, K Zuber, R<sup>3<\/sup>B Collaboration","journal":"Physical Review C","volume":"93","number":"5","pages":"054601 1-9","month":"May","doi":"10.1103\/PhysRevC.93.054601","pubmed":"","pdflink":"","urllink":"https:\/\/journals.aps.org\/prc\/abstract\/10.1103\/PhysRevC.93.054601","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 for reaching the most neutron-rich nuclei, creating a need for models to describe also these reactions. \r\n\r\nPurpose: 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. \r\n\r\nMethod: 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 data set. We compare our data to model calculations. \r\n\r\nResults: One-proton removal cross sections with different final neutron numbers (1 pxn) for relativistic 10C, 12-18C and 10-15B 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. \r\n\r\nConclusions: 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.","note":"","tags":"GSI, R\u00b3B, Breakup Reaction, Nuclear Fragmentation, 10C, 12C, 13C, 14C, 15C, 16C, 17C, 18C, 10B, 11B, 12B, 13B, 14B, 15B","weight":152,"publisher":"","booktitle":"","editor":"","address":"","school":"","issn":"2469-9985","isi":"","key":"ISI:000375649000008","howpublished":""}
  ]
}

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