Zobrazeno 1 - 10
of 240
pro vyhledávání: '"Hartley, D. J."'
Autor:
Sensharma, N., Garg, U., Chen, Q. B., Frauendorf, S., Zhu, S., Arroyo, J., Ayangeakaa, A. D., Burdette, D. P., Carpenter, M. P., Copp, P., Cozzi, J. L., Ghugre, S. S., Hartley, D. J., Howard, K. B., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Li, J., Palit, R., Saracino, A., Seweryniak, D., Weyhmiller, S., Wu, J.
Chirality is a distinct signature that characterizes triaxial shapes in nuclei. We report the first observation of chirality in the nucleus $^{135}$Pr using a high-statistics Gammasphere experiment with the $^{123}$Sb($^{16}$O,4n)$^{135}$Pr reaction.
Externí odkaz:
http://arxiv.org/abs/2403.10749
Autor:
Wu, J., Carpenter, M. P., Kondev, F. G., Janssens, R. V. F., Zhu, S., McCutchan, E. A., Ayangeakaa, A. D., Chen, J., Clark, J., Hartley, D. J., Lauritsen, T., Pietralla, N., Savard, G., Seweryniak, D., Werner, V.
Two 0$^{+}$ states at 1294.5 and 1774.0 keV, together with three 2$^{+}$ and one 4$^{+}$ levels, were identified or unambiguously spin-parity assigned for the first time in $^{100}$Zr utilizing $\gamma$-ray spectroscopy and $\gamma$-$\gamma$ angular
Externí odkaz:
http://arxiv.org/abs/2402.02640
Autor:
Majola, S. N. T., Hartley, D. J., Riedinger, L. L., Sharpey-Schafer, J. F., Allmond, J. M., Beausang, C., Carpenter, M. P., Chiara, C. J., Cooper, N., Curien, D., Gall, B. J. P., Garrett, P. E., Janssens, R. V. F., Kondev, F. G., Kulp, W. D., Lauritsen, T., McCutchan, E. A., Miller, D., Piot, J., Redon, N., Riley, M. A., Simpson, J., Stefanescu, I., Werner, V., Wang, X., Wood, J. L., Yu, C. -H., Zhu, S.
Publikováno v:
Phys. Rev. C 91, 034330 (2015)
The exact nature of the lowest $K^\pi =2_\gamma ^+$ rotational bands in all deformed nuclei remains obscure. Traditionally they are assumed to be collective vibrations of the nuclear shape in the $\gamma$ degree of freedom perpendicular to the nuclea
Externí odkaz:
http://arxiv.org/abs/2005.04706
Autor:
Ayangeakaa, A. D., Janssens, R. V. F., Zhu, S., Little, D., Henderson, J., Wu, C. Y., Hartley, D. J., Albers, M., Auranen, K., Bucher, B., Carpenter, M. P., Chowdhury, P., Cline, D., Crawford, H. L., Fallon, P., Forney, A. M., Gade, A., Hayes, A. B., Kondev, F. G., Krishichayan, Lauritsen, T., Li, J., Macchiavelli, A. O., Rhodes, D., Seweryniak, D., Stolze, S. M., Walters, W. B., Wu, J.
Publikováno v:
Phys. Rev. Lett. 123, 102501 (2019)
An extensive, model-independent analysis of the nature of triaxial deformation in $^{76}$Ge, a candidate for neutrinoless double-beta ($0\nu\beta\beta$) decay, was carried out following multi-step Coulomb excitation. Shape parameters deduced on the b
Externí odkaz:
http://arxiv.org/abs/1909.03270
Autor:
Sensharma, N., Garg, U., Chen, Q. B., Frauendorf, S., Burdette, D. P., Cozzi, J. L., Howard, K. B., Zhu, S., Carpenter, M. P., Copp, P., Kondev, F. G., Lauritsen, T., Li, J., Seweryniak, D., Wu, J., Ayangeakaa, A. D., Hartley, D. J., Janssens, R. V. F., Forney, A. M., Walters, W. B., Ghugre, S. S., Palit, R.
Publikováno v:
Phys. Rev. Lett. 124, 052501 (2020)
The rare phenomenon of nuclear wobbling motion has been investigated for the nucleus $^{187}$Au. A longitudinal wobbling-bands pair has been identified and clearly distinguished from the associated signature-partner band on the basis of angular distr
Externí odkaz:
http://arxiv.org/abs/1906.04408
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Autor:
Matta, J. T., Garg, U., Li, W., Frauendorf, S., Ayangeakaa, A. D., Patel, D., Schlax, K. W., Palit, R., Saha, S., Sethi, J., Trivedi, T., Ghugre, S. S., Raut, R., Sinha, A. K., Janssens, R. V. F., Zhu, S., Carpenter, M. P., Lauritsen, T., Seweryniak, D., Chiara, C. J., Kondev, F. G., Hartley, D. J., Petrache, C. M., Mukhopadhyay, S., Lakshmi, D. Vijaya, Raju, M. Kumar, Rao, P. V. Madhusudhana, Tandel, S. K., Ray, S., Dönau, F.
Publikováno v:
Phys. Rev. Lett. 114, 082501 (2015)
A pair of transverse wobbling bands has been observed in the nucleus $^{135}$Pr. The wobbling is characterized by $\Delta I$ =1, E2 transitions between the bands, and a decrease in the wobbling energy confirms its transverse nature. Additionally, a t
Externí odkaz:
http://arxiv.org/abs/1501.05030
Autor:
Wang, X., Hartley, D. J., Riley, M. A., Riedinger, L. L., Aguilar, A., Carpenter, M. P., Chiara, C. J., Chowdhury, P., Darby, I., Garg, U., Ijaz, Q., Janssens, R. V. F., Kondev, F. G., Lakshmi, S., Lauritsen, T., Ma, W. C., McCutchan, E. A., Mukhopadhyay, S., Seyfried, E. P., Stefanescu, I., Tandel, S. K., Tandel, U. S., Teal, C., Vanhoy, J. R., Zhu, S.
Publikováno v:
Phys.Rev.C82:034315,2010
High-spin states in the odd-odd nucleus $^{168}$Ta have been populated in the $^{120}$Sn($^{51}$V,3n) reaction. Two multi-quasiparticle structures have been extended significantly from spin $\sim{20\hbar}$ to above ${40\hbar}$. As a result, the first
Externí odkaz:
http://arxiv.org/abs/1011.1834
Autor:
Wang, X., Riley, M. A., Simpson, J., Paul, E. S., Ollier, J., Janssens, R. V. F., Ayangeakaa, A. D., Boston, H. C., Carpenter, M. P., Chiara, C. J., Garg, U., Hartley, D. J., Judson, D. S., Kondev, F. G., Lauritsen, T., Matta, J., Nolan, P. J., Petri, M., Revill, J. P., Riedinger, L. L., Rigby, S. V., Unsworth, C., Zhu, S., Ragnarsson, I.
Publikováno v:
Phys.Lett.B702:127-130,2011
The transition quadrupole moments, $Q_{\rm t}$, of four weakly populated collective bands up to spin $\sim$ $65\hbar$ in $^{157,158}$Er have been measured to be ${\sim}11 {\rm eb}$ demonstrating that these sequences are associated with large deformat
Externí odkaz:
http://arxiv.org/abs/1011.1836
Autor:
Riley, M. A., Laird, R. W., Kondev, F. G., Hartley, D. J., Archer, D. E., Brown, T. B., Clark, R. M., evlin, M. D, Fallon, P., Hibbert, I. M., Joss, D. T., LaFosse, D. R., Nolan, P. J., O'Brien, N. J., Paul, E. S., Pfohl, J., Sarantites, D. G., Sheline, R. K., Shepherd, S. L., Simpson, J., Wadsworth, R., Matev, M. T., Afanasjev, A. V., Dobaczewski, J., Lalazissis, G. A., Nazarewicz, W., Satula, W.
Publikováno v:
Acta Phys.Polon. B32 (2001) 2683-2696
It has been possible, using GAMMASPHERE plus Microball,to extract differential lifetime measurements free from common systematic errors for over 15 different nuclei (various isotopes of Ce, Pr, Nd, Pm, and Sm) at high spin within a single experiment.
Externí odkaz:
http://arxiv.org/abs/nucl-ex/0105007