TY  - JOUR
AU  - Girard-Alcindor, V
AU  - Stefan, I
AU  - de Oliveira Santos, F
AU  - Sorlin, O
AU  - Ackermann, D
AU  - Adsley, P
AU  - Angélique, J C
AU  - Assié, M
AU  - Assunção, M
AU  - Beaumel, D
AU  - Berthoumieux, E
AU  - Borcea, R
AU  - Cáceres, L
AU  - Čeliković, Igor T.
AU  - Ciemala, M
AU  - Chudoba, V
AU  - D’Agata, G
AU  - de Grancey, F
AU  - Dumitru, G
AU  - Flavigny, F
AU  - Fougères, C
AU  - Franchoo, S
AU  - Georgiadou, A
AU  - Goyal, N
AU  - Grévy, S
AU  - Guillot, J
AU  - Guimaraes, V
AU  - Hammache, F
AU  - Kamalou, O
AU  - Kiener, J
AU  - Koyama, S
AU  - Lalanne, L
AU  - Lapoux, V
AU  - Matea, I
AU  - Matta, A
AU  - Meyer, A
AU  - Michel, N
AU  - Morfouace, P
AU  - Mrazek, J
AU  - Negoita, F
AU  - Niikura, M
AU  - Pantelica, D
AU  - Perrot, L
AU  - Petrone, C
AU  - Piot, J
AU  - Portail, C
AU  - Roger, T
AU  - Rotaru, F
AU  - Sánchez Benítez, A M
AU  - de Séréville, N
AU  - Stanoiu, M
AU  - Stodel, C
AU  - Subotić, Krunoslav M.
AU  - Suzuki, D
AU  - Tatischeff, V
AU  - Thomas, J C
AU  - Ujić, Predrag
AU  - Verney, D
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9152
AB  - The unbound proton-rich nuclei 16F and 15F are investigated experimentally and theoretically. Several experiments using the resonant elastic scattering method were performed at GANIL with radioactive beams to determine the properties of the low lying states of these nuclei. Strong asymmetry between 16F–16N and 15F–15C mirror nuclei is observed. The strength of the nucleon- nucleon effective interaction involving the loosely bound proton in the s1 / 2 orbit is significantly modified with respect to their mirror nuclei 16N and 15C. The reduction of the effective interaction is estimated by calculating the interaction energies with a schematic zero-range force. It is found that, after correcting for the effects due to changes in the radial distribution of the single-particle wave functions, the mirror symmetry of the n- p interaction is preserved between 16F and 16N, while a difference of 63% is measured between the p- p versus n- n interactions in the second excited state of 15F and 15C nuclei. Several explanations are proposed. © 2021, The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature.
T2  - The European Physical Journal A
T1  - Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F: a tribute to Mahir Hussein
VL  - 57
IS  - 3
SP  - 93
DO  - 10.1140/epja/s10050-021-00410-1
ER  - 

@article{
author = "Girard-Alcindor, V and Stefan, I and de Oliveira Santos, F and Sorlin, O and Ackermann, D and Adsley, P and Angélique, J C and Assié, M and Assunção, M and Beaumel, D and Berthoumieux, E and Borcea, R and Cáceres, L and Čeliković, Igor T. and Ciemala, M and Chudoba, V and D’Agata, G and de Grancey, F and Dumitru, G and Flavigny, F and Fougères, C and Franchoo, S and Georgiadou, A and Goyal, N and Grévy, S and Guillot, J and Guimaraes, V and Hammache, F and Kamalou, O and Kiener, J and Koyama, S and Lalanne, L and Lapoux, V and Matea, I and Matta, A and Meyer, A and Michel, N and Morfouace, P and Mrazek, J and Negoita, F and Niikura, M and Pantelica, D and Perrot, L and Petrone, C and Piot, J and Portail, C and Roger, T and Rotaru, F and Sánchez Benítez, A M and de Séréville, N and Stanoiu, M and Stodel, C and Subotić, Krunoslav M. and Suzuki, D and Tatischeff, V and Thomas, J C and Ujić, Predrag and Verney, D",
year = "2021",
abstract = "The unbound proton-rich nuclei 16F and 15F are investigated experimentally and theoretically. Several experiments using the resonant elastic scattering method were performed at GANIL with radioactive beams to determine the properties of the low lying states of these nuclei. Strong asymmetry between 16F–16N and 15F–15C mirror nuclei is observed. The strength of the nucleon- nucleon effective interaction involving the loosely bound proton in the s1 / 2 orbit is significantly modified with respect to their mirror nuclei 16N and 15C. The reduction of the effective interaction is estimated by calculating the interaction energies with a schematic zero-range force. It is found that, after correcting for the effects due to changes in the radial distribution of the single-particle wave functions, the mirror symmetry of the n- p interaction is preserved between 16F and 16N, while a difference of 63% is measured between the p- p versus n- n interactions in the second excited state of 15F and 15C nuclei. Several explanations are proposed. © 2021, The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature.",
journal = "The European Physical Journal A",
title = "Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F: a tribute to Mahir Hussein",
volume = "57",
number = "3",
pages = "93",
doi = "10.1140/epja/s10050-021-00410-1"
}

Girard-Alcindor, V., Stefan, I., de Oliveira Santos, F., Sorlin, O., Ackermann, D., Adsley, P., Angélique, J. C., Assié, M., Assunção, M., Beaumel, D., Berthoumieux, E., Borcea, R., Cáceres, L., Čeliković, I. T., Ciemala, M., Chudoba, V., D’Agata, G., de Grancey, F., Dumitru, G., Flavigny, F., Fougères, C., Franchoo, S., Georgiadou, A., Goyal, N., Grévy, S., Guillot, J., Guimaraes, V., Hammache, F., Kamalou, O., Kiener, J., Koyama, S., Lalanne, L., Lapoux, V., Matea, I., Matta, A., Meyer, A., Michel, N., Morfouace, P., Mrazek, J., Negoita, F., Niikura, M., Pantelica, D., Perrot, L., Petrone, C., Piot, J., Portail, C., Roger, T., Rotaru, F., Sánchez Benítez, A. M., de Séréville, N., Stanoiu, M., Stodel, C., Subotić, K. M., Suzuki, D., Tatischeff, V., Thomas, J. C., Ujić, P.,& Verney, D.. (2021). Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F: a tribute to Mahir Hussein. in The European Physical Journal A, 57(3), 93.
https://doi.org/10.1140/epja/s10050-021-00410-1

Girard-Alcindor V, Stefan I, de Oliveira Santos F, Sorlin O, Ackermann D, Adsley P, Angélique JC, Assié M, Assunção M, Beaumel D, Berthoumieux E, Borcea R, Cáceres L, Čeliković IT, Ciemala M, Chudoba V, D’Agata G, de Grancey F, Dumitru G, Flavigny F, Fougères C, Franchoo S, Georgiadou A, Goyal N, Grévy S, Guillot J, Guimaraes V, Hammache F, Kamalou O, Kiener J, Koyama S, Lalanne L, Lapoux V, Matea I, Matta A, Meyer A, Michel N, Morfouace P, Mrazek J, Negoita F, Niikura M, Pantelica D, Perrot L, Petrone C, Piot J, Portail C, Roger T, Rotaru F, Sánchez Benítez AM, de Séréville N, Stanoiu M, Stodel C, Subotić KM, Suzuki D, Tatischeff V, Thomas JC, Ujić P, Verney D. Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F: a tribute to Mahir Hussein. in The European Physical Journal A. 2021;57(3):93.
doi:10.1140/epja/s10050-021-00410-1 .

Girard-Alcindor, V, Stefan, I, de Oliveira Santos, F, Sorlin, O, Ackermann, D, Adsley, P, Angélique, J C, Assié, M, Assunção, M, Beaumel, D, Berthoumieux, E, Borcea, R, Cáceres, L, Čeliković, Igor T., Ciemala, M, Chudoba, V, D’Agata, G, de Grancey, F, Dumitru, G, Flavigny, F, Fougères, C, Franchoo, S, Georgiadou, A, Goyal, N, Grévy, S, Guillot, J, Guimaraes, V, Hammache, F, Kamalou, O, Kiener, J, Koyama, S, Lalanne, L, Lapoux, V, Matea, I, Matta, A, Meyer, A, Michel, N, Morfouace, P, Mrazek, J, Negoita, F, Niikura, M, Pantelica, D, Perrot, L, Petrone, C, Piot, J, Portail, C, Roger, T, Rotaru, F, Sánchez Benítez, A M, de Séréville, N, Stanoiu, M, Stodel, C, Subotić, Krunoslav M., Suzuki, D, Tatischeff, V, Thomas, J C, Ujić, Predrag, Verney, D, "Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F: a tribute to Mahir Hussein" in The European Physical Journal A, 57, no. 3 (2021):93,
https://doi.org/10.1140/epja/s10050-021-00410-1 . .

TY  - JOUR
AU  - de Grancey, F.
AU  - Mercenne, Alexis
AU  - Santos, F. de Oliveira
AU  - Davinson, Thomas
AU  - Sorlin, Olivier
AU  - Angelique, Jean-Claude
AU  - Assie, Marlène
AU  - Berthoumieux, Eric
AU  - Borcea, Ruxandra
AU  - Buta, Anna
AU  - Čeliković, Igor T.
AU  - Chudoba, V.
AU  - Daugas, Jean Michel
AU  - Dumitru, G.
AU  - Fadil, Manssour
AU  - Grèvy, Stéphane
AU  - Kiener, Jürgen K.
AU  - Lefebvre-Schuhl, A.
AU  - Michel, Nicolas
AU  - Mrazek, Jaromir
AU  - Negoita, Florin
AU  - Okolowicz, Jacek
AU  - Pantelica, Dan
AU  - Pellegriti, Maria Grazia
AU  - Perrot, L.
AU  - Ploszajczak, M.
AU  - Randisi, G.
AU  - Ray, I.
AU  - Roig, O.
AU  - Rotaru, Florin
AU  - Saint Laurent, M. G.
AU  - Smirnova, N.
AU  - Stanoiu, Mihai
AU  - Stefan, I.
AU  - Stodel, C.
AU  - Subotić, Krunoslav M.
AU  - Tatischeff, V.
AU  - Thomas, Jean-Charles
AU  - Ujić, Predrag
AU  - Wolski, R.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1103
AB  - Intense and purified radioactive beam of post-accelerated O-14 was used to study the low-lying states in the unbound F-15 nucleus. Exploiting resonant elastic scattering in inverse kinematics with a thick target, the second excited state, a resonance at E-R = 4.757(6)(10) MeV with a width of Gamma = 36(5)(14) keV was measured for the first time with high precision. The structure of this narrow above-barrier state in a nucleus located two neutrons beyond the proton drip line was investigated using the Gamow Shell Model in the coupled channel representation with a C-12 core and three valence protons. It is found that it is an almost pure wave function of two quasi-bound protons in the 2s(1/2) shell. (C) 2016 The Authors. Published by Elsevier B.V.
T2  - Physics Letters B
T1  - An above-barrier narrow resonance in F-15
VL  - 758
SP  - 26
EP  - 31
DO  - 10.1016/j.physletb.2016.04.051
ER  - 

@article{
author = "de Grancey, F. and Mercenne, Alexis and Santos, F. de Oliveira and Davinson, Thomas and Sorlin, Olivier and Angelique, Jean-Claude and Assie, Marlène and Berthoumieux, Eric and Borcea, Ruxandra and Buta, Anna and Čeliković, Igor T. and Chudoba, V. and Daugas, Jean Michel and Dumitru, G. and Fadil, Manssour and Grèvy, Stéphane and Kiener, Jürgen K. and Lefebvre-Schuhl, A. and Michel, Nicolas and Mrazek, Jaromir and Negoita, Florin and Okolowicz, Jacek and Pantelica, Dan and Pellegriti, Maria Grazia and Perrot, L. and Ploszajczak, M. and Randisi, G. and Ray, I. and Roig, O. and Rotaru, Florin and Saint Laurent, M. G. and Smirnova, N. and Stanoiu, Mihai and Stefan, I. and Stodel, C. and Subotić, Krunoslav M. and Tatischeff, V. and Thomas, Jean-Charles and Ujić, Predrag and Wolski, R.",
year = "2016",
abstract = "Intense and purified radioactive beam of post-accelerated O-14 was used to study the low-lying states in the unbound F-15 nucleus. Exploiting resonant elastic scattering in inverse kinematics with a thick target, the second excited state, a resonance at E-R = 4.757(6)(10) MeV with a width of Gamma = 36(5)(14) keV was measured for the first time with high precision. The structure of this narrow above-barrier state in a nucleus located two neutrons beyond the proton drip line was investigated using the Gamow Shell Model in the coupled channel representation with a C-12 core and three valence protons. It is found that it is an almost pure wave function of two quasi-bound protons in the 2s(1/2) shell. (C) 2016 The Authors. Published by Elsevier B.V.",
journal = "Physics Letters B",
title = "An above-barrier narrow resonance in F-15",
volume = "758",
pages = "26-31",
doi = "10.1016/j.physletb.2016.04.051"
}

de Grancey, F., Mercenne, A., Santos, F. d. O., Davinson, T., Sorlin, O., Angelique, J., Assie, M., Berthoumieux, E., Borcea, R., Buta, A., Čeliković, I. T., Chudoba, V., Daugas, J. M., Dumitru, G., Fadil, M., Grèvy, S., Kiener, J. K., Lefebvre-Schuhl, A., Michel, N., Mrazek, J., Negoita, F., Okolowicz, J., Pantelica, D., Pellegriti, M. G., Perrot, L., Ploszajczak, M., Randisi, G., Ray, I., Roig, O., Rotaru, F., Saint Laurent, M. G., Smirnova, N., Stanoiu, M., Stefan, I., Stodel, C., Subotić, K. M., Tatischeff, V., Thomas, J., Ujić, P.,& Wolski, R.. (2016). An above-barrier narrow resonance in F-15. in Physics Letters B, 758, 26-31.
https://doi.org/10.1016/j.physletb.2016.04.051

de Grancey F, Mercenne A, Santos FDO, Davinson T, Sorlin O, Angelique J, Assie M, Berthoumieux E, Borcea R, Buta A, Čeliković IT, Chudoba V, Daugas JM, Dumitru G, Fadil M, Grèvy S, Kiener JK, Lefebvre-Schuhl A, Michel N, Mrazek J, Negoita F, Okolowicz J, Pantelica D, Pellegriti MG, Perrot L, Ploszajczak M, Randisi G, Ray I, Roig O, Rotaru F, Saint Laurent MG, Smirnova N, Stanoiu M, Stefan I, Stodel C, Subotić KM, Tatischeff V, Thomas J, Ujić P, Wolski R. An above-barrier narrow resonance in F-15. in Physics Letters B. 2016;758:26-31.
doi:10.1016/j.physletb.2016.04.051 .

de Grancey, F., Mercenne, Alexis, Santos, F. de Oliveira, Davinson, Thomas, Sorlin, Olivier, Angelique, Jean-Claude, Assie, Marlène, Berthoumieux, Eric, Borcea, Ruxandra, Buta, Anna, Čeliković, Igor T., Chudoba, V., Daugas, Jean Michel, Dumitru, G., Fadil, Manssour, Grèvy, Stéphane, Kiener, Jürgen K., Lefebvre-Schuhl, A., Michel, Nicolas, Mrazek, Jaromir, Negoita, Florin, Okolowicz, Jacek, Pantelica, Dan, Pellegriti, Maria Grazia, Perrot, L., Ploszajczak, M., Randisi, G., Ray, I., Roig, O., Rotaru, Florin, Saint Laurent, M. G., Smirnova, N., Stanoiu, Mihai, Stefan, I., Stodel, C., Subotić, Krunoslav M., Tatischeff, V., Thomas, Jean-Charles, Ujić, Predrag, Wolski, R., "An above-barrier narrow resonance in F-15" in Physics Letters B, 758 (2016):26-31,
https://doi.org/10.1016/j.physletb.2016.04.051 . .

TY  - JOUR
AU  - Ujić, Predrag
AU  - Santos, F. de Oliveira
AU  - Lewitowicz, Marek
AU  - Achouri, Lynda N.
AU  - Assie, Marlène
AU  - Bastin, Beyhan
AU  - Borcea, Catalin
AU  - Borcea, Ruxandra
AU  - Buta, Anna
AU  - Coc, A.
AU  - de France, Gilles
AU  - Kamalou, O.
AU  - Kiener, Jürgen K.
AU  - Lepailleur, A.
AU  - Meot, V.
AU  - Pautrat, A.
AU  - Saint Laurent, M. G.
AU  - Sorlin, Olivier
AU  - Stanoiu, Mihai
AU  - Tatischeff, V.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5262
AB  - The decay of O-19(beta(-)) and Ne-19(beta(+)) implanted in niobium in its superconducting and metallic phases was measured using purified radioactive beams produced by the SPIRAL GANIL facility. Half-lives and branching ratios measured in the two phases are consistent within a 1 sigma error bar. This measurement casts strong doubts on the predicted strong electron screening in a superconductor, the so-called superscreening. The measured difference in screening potential energy is 110(90) eV for Ne-19 and 400(320) eV for O-19. Precise determinations of the half-lives were obtained for O-19, 26.476(9) s, and for Ne-19, 17.254(5) s.
T2  - Physical Review Letters
T1  - Search for Superscreening Effects in a Superconductor
VL  - 110
IS  - 3
SP  - 032501
DO  - 10.1103/PhysRevLett.110.032501
ER  - 

@article{
author = "Ujić, Predrag and Santos, F. de Oliveira and Lewitowicz, Marek and Achouri, Lynda N. and Assie, Marlène and Bastin, Beyhan and Borcea, Catalin and Borcea, Ruxandra and Buta, Anna and Coc, A. and de France, Gilles and Kamalou, O. and Kiener, Jürgen K. and Lepailleur, A. and Meot, V. and Pautrat, A. and Saint Laurent, M. G. and Sorlin, Olivier and Stanoiu, Mihai and Tatischeff, V.",
year = "2013",
abstract = "The decay of O-19(beta(-)) and Ne-19(beta(+)) implanted in niobium in its superconducting and metallic phases was measured using purified radioactive beams produced by the SPIRAL GANIL facility. Half-lives and branching ratios measured in the two phases are consistent within a 1 sigma error bar. This measurement casts strong doubts on the predicted strong electron screening in a superconductor, the so-called superscreening. The measured difference in screening potential energy is 110(90) eV for Ne-19 and 400(320) eV for O-19. Precise determinations of the half-lives were obtained for O-19, 26.476(9) s, and for Ne-19, 17.254(5) s.",
journal = "Physical Review Letters",
title = "Search for Superscreening Effects in a Superconductor",
volume = "110",
number = "3",
pages = "032501",
doi = "10.1103/PhysRevLett.110.032501"
}

Ujić, P., Santos, F. d. O., Lewitowicz, M., Achouri, L. N., Assie, M., Bastin, B., Borcea, C., Borcea, R., Buta, A., Coc, A., de France, G., Kamalou, O., Kiener, J. K., Lepailleur, A., Meot, V., Pautrat, A., Saint Laurent, M. G., Sorlin, O., Stanoiu, M.,& Tatischeff, V.. (2013). Search for Superscreening Effects in a Superconductor. in Physical Review Letters, 110(3), 032501.
https://doi.org/10.1103/PhysRevLett.110.032501

Ujić P, Santos FDO, Lewitowicz M, Achouri LN, Assie M, Bastin B, Borcea C, Borcea R, Buta A, Coc A, de France G, Kamalou O, Kiener JK, Lepailleur A, Meot V, Pautrat A, Saint Laurent MG, Sorlin O, Stanoiu M, Tatischeff V. Search for Superscreening Effects in a Superconductor. in Physical Review Letters. 2013;110(3):032501.
doi:10.1103/PhysRevLett.110.032501 .

Ujić, Predrag, Santos, F. de Oliveira, Lewitowicz, Marek, Achouri, Lynda N., Assie, Marlène, Bastin, Beyhan, Borcea, Catalin, Borcea, Ruxandra, Buta, Anna, Coc, A., de France, Gilles, Kamalou, O., Kiener, Jürgen K., Lepailleur, A., Meot, V., Pautrat, A., Saint Laurent, M. G., Sorlin, Olivier, Stanoiu, Mihai, Tatischeff, V., "Search for Superscreening Effects in a Superconductor" in Physical Review Letters, 110, no. 3 (2013):032501,
https://doi.org/10.1103/PhysRevLett.110.032501 . .