Search Results - "Kheswa, B V"

Observation of low-lying resonances in the quasicontinuum of 195,196Pt and enhanced astrophysical reaction rates by Giacoppo, F, Bello Garrote, F L, Eriksen, T K, Görgen, A, Guttormsen, M, Hagen, T W, Larsen, A C, Kheswa, B V, Klintefjord, M, Koehler, P E, Moretto, L G, Nyhus, H T, Renstrøm, T, Sahin, E, Siem, S, Tornyi, T G

“…An excess of strength on the low-energy tail of the giant dipole resonance recently has been observed in the γ-decay from the quasicontinuum of 195,196Pt. The…”
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First application of the Oslo method in inverse kinematics by Ingeberg, V. W., Siem, S., Wiedeking, M., Sieja, K., Bleuel, D. L., Brits, C. P., Bucher, T. D., Dinoko, T. S., Easton, J. L., Görgen, A., Guttormsen, M., Jones, P., Kheswa, B. V., Khumalo, N. A., Larsen, A. C., Lawrie, E. A., Lawrie, J. J., Majola, S. N. T., Malatji, K. L., Makhathini, L., Maqabuka, B., Negi, D., Noncolela, S. P., Papka, P., Sahin, E., Schwengner, R., Tveten, G. M., Zeiser, F., Zikhali, B. R.

“…The γ -ray strength function ( γ SF) and nuclear level density (NLD) have been extracted for the first time from inverse kinematic reactions with the Oslo…”
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New collective structures in the 163Yb nucleus by Sithole, M. A., Sharpey Schafer, J. F., Majola, S. N. T., Bucher, T. D., Dinoko, T. R. S., Ntshangase, S. S., Lawrie, E. A., Khumalo, N. A., Jongile, S., Mdletshe, L., Bark, R. A., Erasmus, N., Jones, P., Kheswa, B. V., Lawrie, J. J., Makhathini, L., Malatji, K. L., Maqabuka, B., Noncolela, S. P., Ndayishimye, J., Shirinda, O., Zikhali, B. R., Masiteng, P. L.

“… The 152 Sm( 16 O, 5n) 163 Yb reaction at a beam energy of 93 MeV was used to study the excited states of 163 Yb with the AFRODITE γ -ray spectrometer at…”
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Low-lying positive parity bands in 162Yb by Mdletshe, L., Ntshangase, S. S., Sharpey-Schafer, J. F., Majola, S. N. T., Dinoko, T. R. S., Khumalo, N. A., Lawrie, E. A., Bark, R. A., Bucher, T. D., Erasmus, N., Jones, P., Jongile, S., Kheswa, B. V., Lawrie, J. J., Makhathini, L., Malatji, K. L., Maqabuka, B., Ndayishimye, J., Noncolela, S. P., Shirinda, O., Sithole, M. A.

“… The structure of the low-lying positive parity bands in 162 Yb has been studied at iThemba LABS, using the 150 Sm( 16 O,4n) 162 Yb fusion-evaporation…”
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Nature of low-lying electric dipole resonance excitations in Ge 74 by Negi, D, Wiedeking, M, Lanza, EG, Litvinova, E, Vitturi, A, Bark, RA, Bernstein, LA, Bleuel, DL, Bvumbi, S, Bucher, TD, Daub, BH, Dinoko, TS, Easton, JL, Görgen, Andreas, Guttormsen, Magne Sveen, Jones, P, Kheswa, BV, Khumalo, NA, Larsen, Ann-Cecilie, Lawrie, EA, Lawrie, JJ, Majola, SNT, Masiteng, LP, Nchodu, MR, Ndayishimye, J, Newman, RT, Noncolela, SP, Orce, JN, Papka, P, Pellegri, L, Renstrøm, Therese, Roux, DG, Schwengner, R, Shirinda, O, Siem, Sunniva

“…Isospin properties of dipole excitations in 74 Ge are investigated using the (α , α ′ γ ) reaction and compared to (γ , γ ′ ) data. The results indicate that…”
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Statistical gamma-ray decay studies at iThemba LABS by Wiedeking, M., Bernstein, L.A., Bleuel, D.L., Brits, C.P., Sowazi, K., Görgen, A., Goldblum, B.L., Guttormsen, M., Kheswa, B.V., Larsen, A.C., Majola, S.N.T., Malatji, K.L., Negi, D., Nogwanya, T., Siem, S., Zikhali, B.R.

“…A program to study the γ-ray decay from the region of high-level density has been established at iThemba LABS, where a high-resolution gamma-ray detector array…”
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Nuclear level densities and γ-ray strength functions of 180,181Ta and neutron capture cross sections by Malatji, K L, Kheswa, B V, Wiedeking, M, FL Bello Garrote, Brits, C P, Bleuel, D L, Giacoppo, F, Görgen, A, Guttormsen, M, Hadynska-Klek, K, Hagen, T W, Ingeberg, V W, Klintefjord, M, Larsen, A C, Nyhus, H T, Renstrøm, T, Rose, S, Sahin, E, Siem, S, GM Tveten, Zeiser, F

“…The γ-ray strength functions and nuclear level densities in the quasi-continuum of 180,181Ta are extracted from particle-γ coincidence events with the Oslo…”
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Resonances in odd-odd 182Ta by Brits, C P, Wiedeking, M, FL Bello Garrote, Bleuel, D L, Giacoppo, F, Görgen, A, Guttormsen, M, Hadynska-Klek, K, Hagen, T W, Ingeberg, V W, Kheswa, B V, Klintefjord, M, Larsen, A C, Malatji, K L, Nyhus, H T, Papka, P, Renstrøm, T, Rose, S, Sahin, E, Siem, S, GM Tveten, Zeiser, F

“…Enhanced γ-decay on the tail of the giant electric dipole resonance, such as the scissors or pygmy resonances, can have significant impact on (n,γ) reaction…”
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Statistical nuclear properties and synthesis of 138La by Kheswa, B V, Wiedeking, M, Giacoppo, F, Goriely, S, Guttormsen, M, Larsen, A C, Bello Garrote, F L, Eriksen, T K, Görgen, A, Hagen, T W, Koehler, P E, Klintefjord, M, Nyhus, H T, Papka, P, Renstrøm, T, Rose, S, Sahin, E, Siem, S, Tornyi, T

“…The synthesis of the neutron deficient 138La nucleus has been a puzzle for a long time. It has not been clear whether it is produced through…”
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Study of 0 + States at iThemba LABS by Jones, P., Papka, P., Sharpey-Shafer, J.F., Vymers, P., Bvumbi, S. P., Bucher, T. D., Dinoko, T. S., Easton, J. L., Herbert, M. S., Kheswa, B. V., Khumalo, N., Lawrie, E. A., Lawrie, J. J., Majola, S. N. T., Ndayishimye, J., Negi, D., Noncolela, S. P., Orce, J. N., Shirinda, O., Sithole, P., Stankiewicz, M. A., Wiedeking, M.

“…An initial series of experiments utilising the (3He,n) reactions have been carried out at iThemba LABS. These are complimentary to transfer reactions such as…”
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New experimental constraint on the $^{185}$W($n,\gamma$)$^{186}$W cross section by Larsen, A. C, Tveten, G. M, Renstrøm, T, Utsunomiya, H, Algin, E, Ari-izumi, T, Ay, K. O, Garrote, F. L. Bello, Campo, L. Crespo, Furmyr, F, Goriely, S, Görgen, A, Guttormsen, M, Ingeberg, V. W, Kheswa, B. V, Kullmann, I. K. B, Laplace, T, Lima, E, Markova, M, Midtbø, J. E, Miyamoto, S, Mjøs, A. H, Modamio, V, Ozgur, M, Pogliano, F, Riemer-Sørensen, S, Sahin, E, Shen, S, Siem, S, Spyrou, A, Wiedeking, M

“…Phys. Rev. C 108, 025804 (2023) In this work, we present new data on the $^{182,183,184}$W($\gamma,n$) cross sections, utilizing a quasi-monochromatic photon…”
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Gamma-ray emission in proton-induced nuclear reactions on natC and Mylar targets over the incident energy range of Ep = 30-200 MeV. Astrophysical implications by Rahma, Y, Ouichaoui, S, Kiener, J, Lawrie, E. A, Lawrie, J. J, Tatischeff, V, Belhout, A, Moussa, D, Yahia-Cherif, W, Benhabiles-Mezhoud, H, Bucher, T. D, Dinoko, T. R. S, Chafa, A, Conradie, J. L, Damache, S, Debabi, M, Deloncle, I, Easton, J. L, Fouka, M, Hamadache, C, Hammache, F, Jones, P, Kheswa, B. V, Khumalo, N. A, Lamula, T, Majola, S. N. T, Ndayishimye, J, Negi, D, Noncolela, S. P, Ouziane, S, Papka, P, Peterson, S, Raju, M. Kumar, Ramanathan, V, Rebeiro, B. M, de Séréville, N, Sharpey-Schafer, J. F, Shirinda, O, Wiedeking, M, Wyngaardt, S

“…Nuclear Physics A Volume 1032, April 2023, 122622 We have measured the gamma-ray line production cross sections in proton-induced nuclear reactions on various…”
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Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes by Guttormsen, M, Alhassid, Y, Ryssens, W, Ay, K. O, Ozgur, M, Algin, E, Larsen, A. C, Garrote, F. L. Bello, Campo, L. Crespo, Dahl-Jacobsen, T, Görgen, A, Hagen, T. W, Ingeberg, V. W, Kheswa, B. V, Klintefjord, M, Midtbø, J. E, Modamio, V, Renstrøm, T, Sahin, E, Siem, S, Tveten, G. M, Zeiser, F

“…Understanding the evolution of level densities in the crossover from spherical to well-deformed nuclei has been a long-standing problem in nuclear physics. We…”
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Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance by Malatji, K. L, Beckmann, K. S, Wiedeking, M, Siem, S, Goriely, S, Larsen, A. C, Ay, K. O, Garrote, F. L. Bello, Campo, L. Crespo, Görgen, A, Guttormsen, M, Ingeberg, V. W, Jones, P, Kheswa, B. V, von Neumann-Cosel, P, Ozgur, M, Potel, G, Pellegri, L, Renstrøm, T, Tveten, G. M, Zeiser, F

“…PRC 103 (2021) 014309 The Nuclear Level Densities (NLDs) and the $\gamma$-ray Strength Functions ($\gamma$SFs) of $^{153,155}$Sm have been extracted from…”
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First observation of rotational bands in the nucleus $$^{231}$$U by Roux, D. G., Bark, R. A., Lawrie, E. A., Lawrie, J. J., Ntshangase, S. S., Dinoko, T. S., Easton, J. L., Jones, P., Kheswa, B. V., Khumalo, N. A., Majola, S. N. T., Masiteng, L. P., Negi, D., Noncolela, S. P., Ndayishimye, J., Sharpey-Schafer, J. F., Shirinda, O., Uwitonze, P. C.

“…Abstract This work reports the first rotational bands observed in the neutron-deficient nucleus $$^{231}$$ 231 U. Excited states were populated in the…”
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Spectroscopy of low spin states in 157Dy: Search for evidence of enhanced octupole correlations by Majola, S. N. T, Bark, R. A, Bianco, L, Bucher, T. D, Bvumbi, S. P, Cullen, D. M, Garrett, P. E, Greenlees, P. T, Hartley, D, Hirvonen, J, Jakobsson, U, Jones, P. M, Julin, R, Juutinen, S, Ketelhut, S, Kheswa, B. V, Korichi, A, Lawrie, E. A, Masiteng, P. L, Maqabuka, B, Mdletshe, L, Minkova, A, Ndayishimye, J, Nieminen, P, Newman, R, Nyako, B. M, Ntshangase, S. S, Peura, P, Rahkila, P, Riedinger, L. L, Riley, M, Roux, D, Ruotsalainen, P, Saren, J, Sharpey-Schafer, J. F, Scholey, C, Shirinda, O, Sithole, A, Sorri, J, Stolze, S, Timar, J, Uusitalo, J, Zimba, G

“…Phys. Rev. C 100, 034322 (2019) Low-spin states of 157Dy have been studied using the JUROGAM II array, following the 155Gd ({\alpha}, 2n) reaction at a beam…”
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Experimental observation of the M1 scissors mode in $^{254}$No by Bello Garrote, F.L., Lopez-Martens, A., Larsen, A.C., Deloncle, I., Péru, S., Zeiser, F., Greenlees, P.T., Kheswa, B.V., Auranen, K., Bleuel, D.L., Cox, D.M., Crespo Campo, L., Giacoppo, F., Görgen, A., Grahn, T., Guttormsen, M., Hagen, T.W., Harkness-Brennan, L., Hauschild, K., Henning, G., Herzberg, R.-D., Julin, R., Juutinen, S., Laplace, T.A., Leino, M., Midtbø, J.E., Modamio, V., Pakarinen, J., Papadakis, P., Partanen, J., Renstrøm, T., Rezynkina, K., Sandzelius, M., Sarén, J., Scholey, C., Siem, S., Sorri, J., Stolze, S., Uusitalo, J.

“…We present the first experimental evidence of the scissors mode in the superheavy nucleus 254No produced in the 208Pb(48Ca, ))254No reaction. The spectrum of γ…”
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First observation of the coexistence of multiple chiral doublet bands and pseudospin doublet bands in the A ≈ 80 mass region by Mu, L., Wang, S.Y., Liu, C., Qi, B., Bark, R.A., Meng, J., Zhang, S.Q., Jones, P., Wyngaardt, S.M., Jia, H., Chen, Q.B., Li, Z.Q., Wang, S., Sun, D.P., Guo, R.J., Han, X.C., Xu, W.Z., Xiao, X., Zhu, P.Y., Li, H.W., Hua, H., Li, X.Q., Li, C.G., Han, R., Sun, B.H., Zhu, L.H., Bucher, T.D., Kheswa, B.V., Khumalo, N., Lawrie, E.A., Lawrie, J.J., Malatji, K.L., Msebi, L., Ndayishimye, J., Sharpey-Schafer, J.F., Shirinda, O., Wiedeking, M., Dinoko, T., Ntshangase, S.S.

“…Two nearly degenerate positive-parity bands with the πg9/22⊗νg9/2−1 configuration and three nearly degenerate negative-parity bands with the…”
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First candidates for {\gamma} vibrational bands built on the [505]11/2- neutron orbital in odd-A Dy isotopes by Majola, S. N. T, Sithole, M. A, Mdletshe, L, Hartley, D, Timar, J, Nyako, B. M, Allmond, J. M, Bark, R. A, Beausang, C, Bianco, L, Bucher, T. D, Bvumbi, S. P, Carpenter, M. P, Chiara, C. J, Cooper, N, Cullen, D. M, Curien, D, Dinoko, T. S, Gall, B. J. P, Garrett, P. E, Greenlees, P. T, Hirvonen, J, Jakobsson, U, Jones, P. M, Julin, R, Juutinen, S, Ketelhut, S, Kheswa, B. V, Kondev, F. G, Korichi, A, Kulp, W. D, Lauritsen, T, Lawrie, E. A, Makhathini, L, Masiteng, P. L, Maqabuka, B, Mccutchan, E. A, Miller, D, Miller, S, Minkova, A, Msebi, L, Mthembu, S. H, Ndayishimye, J, Nieminen, P, Ngcobo, P. Z, Ntshangase, S. S, Orce, J. N, Peura, P, Rahkila, P, Redon, N, Riedinger, L. L, Riley, M. A, Roux, D. G, Ruotsalainen, P, Piot, J, Saren, J, Sharpey-Schafer, J. F, Scholey, C, Shirinda, O, Simpson, J, Sorri, J, Stefanescu, I, Stolze, S, Uusitalo, J, Wang, X, Werner, V, Wood, J. L, Yu, C. H, Zhu, S, Zimba, G

“…Phys. Rev. C 101, 044312 (2020) Rotational structures have been measured using the Jurogam II and GAMMASPHERE arrays at low spin following the…”
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Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes by Guttormsen, M., Alhassid, Y., Ryssens, W., Ay, K. O., Ozgur, M., Algin, E., Larsen, A. C., Bello Garrote, F. L., Crespo Campo, L., Dahl-Jacobsen, T., Görgen, A., Hagen, T. W., Ingeberg, V. W., Kheswa, B. V., Klintefjord, M., Midtbø, J. E., Modamio, V., Renstrøm, T., Sahin, E., Siem, S., Tveten, G. M., Zeiser, F.

“…Not provided…”
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