Zobrazeno 1 - 10
of 488
pro vyhledávání: '"Draayer, J P"'
Autor:
Sargsyan, G. H., Launey, K. D., Shaffer, R. M., Marley, S. T., Dudeck, N., Mercenne, A., Dytrych, T., Draayer, J. P.
Publikováno v:
Physical Review C 108, 054303 (2023)
We calculate single-neutron spectroscopic overlaps for lithium isotopes in the framework of the \textit{ab initio} symmetry-adapted no-core shell model. We report the associated neutron-nucleus asymptotic normalization coefficients (ANCs) and spectro
Externí odkaz:
http://arxiv.org/abs/2210.08843
The anomalous low-energy $E2$-related behavior of a triaxially-deformed nucleus bas been identified and analyzed based on the SU(3) algebraic theory within the framework of the interacting boson model. The results show striking features that include
Externí odkaz:
http://arxiv.org/abs/2207.06201
A Symplectic Effective Field Theory that unveils the observed emergence of symplectic symmetry in atomic nuclei is advanced. Specifically, starting from a simple extension of the harmonic-oscillator Lagrangian, an effective field theory applied again
Externí odkaz:
http://arxiv.org/abs/2204.08642
Autor:
Sargsyan, G. H., Launey, K. D., Burkey, M. T., Gallant, A. T., Scielzo, N. D., Savard, G., Mercenne, A., Dytrych, T., Langr, D., Varriano, L., Longfellow, B., Hirsh, T. Y., Draayer, J. P.
Publikováno v:
Phys. Rev. Lett. 128, 202503 (2022)
We place unprecedented constraints on recoil corrections in the $\beta$ decay of $^8$Li, by identifying a strong correlation between them and the $^8$Li ground state quadrupole moment in large-scale ab initio calculations. The results are essential f
Externí odkaz:
http://arxiv.org/abs/2107.10389
A novel machine learning approach is used to provide further insight into atomic nuclei and to detect orderly patterns amidst a vast data of large-scale calculations. The method utilizes a neural network that is trained on ab initio results from the
Externí odkaz:
http://arxiv.org/abs/2107.01498
Publikováno v:
Phys. Rev. C 103, 044305 (2021)
We examine nucleon-nucleon realistic interactions, based on their SU(3) decomposition to SU(3)-symmetric components. We find that many of these interaction components are negligible, which, in turn, allows us to identify a subset of physically releva
Externí odkaz:
http://arxiv.org/abs/2009.09001
Autor:
Dreyfuss, A. C., Launey, K. D., Escher, J. E., Sargsyan, G. H., Baker, R. B., Dytrych, T., Draayer, J. P.
Publikováno v:
Phys. Rev. C 102, 044608 (2020)
We introduce a new framework for studying clustering and for calculating alpha partial widths using ab initio wave functions. We demonstrate the formalism for $^{20}$Ne, by calculating the overlap between the $^{16}$O$+\alpha$ cluster configuration a
Externí odkaz:
http://arxiv.org/abs/2006.11208
Autor:
Brodsky, S. J., Burkert, V. D., Carman, D. S., Chen, J. P., Cui, Z. -F., Döring, M., Dosch, H. G., Draayer, J. P., Elouadrhiri, L., Glazier, D. I., Blin, A. N. Hiller, Horn, T., Joo, K., Kim, H. C., Kubarovsky, V., Kuhn, S. E., Lu, Y., Melnitchouk, W., Mezrag, C., Mokeev, V. I., Qiu, J. W., Radici, M., Richards, D., Roberts, C. D., Rodríguez-Quintero, J., Segovia, J., Szczepaniak, A. P., de Téramond, G. F., Winney, D.
The topical workshop {\it Strong QCD from Hadron Structure Experiments} took place at Jefferson Lab from Nov. 6-9, 2019. Impressive progress in relating hadron structure observables to the strong QCD mechanisms has been achieved from the {\it ab init
Externí odkaz:
http://arxiv.org/abs/2006.06802
Publikováno v:
Phys. Rev. C 102, 024304 (2020)
The nucleon pair shell model (NPSM) is casted into the so-called M-scheme for the cases with isospin symmetry and without isospin symmetry. The odd system and even system are treated on the same foot. The uncoupled commutators for nucleon-pairs, whic
Externí odkaz:
http://arxiv.org/abs/2004.09945
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