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Journal Articles

A Study of the $$phi N$$ correlation function

Abreu, L. M.*; Gubler, P.; Khemchandani, K. P.*; Mart$'i$nez Torres, A.*; Hosaka, Atsushi

Physics Letters B, 860, p.139175_1 - 139175_7, 2025/01

https://doi.org/10.1016/j.physletb.2024.139175
 Times Cited Count：3 Percentile：52.60(Astronomy & Astrophysics)

Journal Articles

Spectroscopy of deeply bound orbitals in neutron-rich Ca isotopes

Li, P. J.*; Utsuno, Yutaka; Yoshida, Kazuki; 85 of others*

Physics Letters B, 855, p.138828_1 - 138828_11, 2024/08

https://doi.org/10.1016/j.physletb.2024.138828
 Times Cited Count：2 Percentile：74.11(Astronomy & Astrophysics)

Journal Articles

Search for the 6$$alpha$$ condensed state in $$^{24}$$Mg using the $$^{12}$$C+$$^{12}$$C scattering

Fujikawa, Y.*; Kawabata, T.*; Adachi, S.*; Hirose, Kentaro; Makii, Hiroyuki; Nishio, Katsuhisa; Orlandi, R.; Suzaki, Fumi; 13 of others*

Physics Letters B, 848, p.138384_1 - 138384_6, 2024/01

https://doi.org/10.1016/j.physletb.2023.138384
 Times Cited Count：6 Percentile：73.96(Astronomy & Astrophysics)

Journal Articles

Electromagnetic moments of the antimony isotopes $$^{112-133}$$Sb

Lechner, S.*; Miyagi, Takayuki*; Xu, Z. Y.*; Bissell, M. L.*; Blaum, K.*; Cheal, B.*; Devlin, C. S.*; Garcia Ruiz, R. F.*; Ginges, J. S. M.*; Heylen, H.*; et al.

Physics Letters B, 847, p.138278_1 - 138278_9, 2023/12

https://doi.org/10.1016/j.physletb.2023.138278
 Times Cited Count：8 Percentile：79.71(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Doubly heavy tetraquarks including one-pion exchange potential

Meng, Q.*; Hiyama, Emiko*; Oka, Makoto*; Hosaka, Atsushi; Xu, C.*

Physics Letters B, 846, p.138221_1 - 138221_6, 2023/11

https://doi.org/10.1016/j.physletb.2023.138221
 Times Cited Count：11 Percentile：92.31(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Precise lifetime measurement of $$^4_Lambda$$H hypernucleus using in-flight $$^4$$He$$(K^-, pi^0)^4_Lambda$$H reaction

Akaishi, Takaya; Hashimoto, Tadashi; Tanida, Kiyoshi; 35 of others*

Physics Letters B, 845, p.138128_1 - 138128_4, 2023/10

https://doi.org/10.1016/j.physletb.2023.138128
 Times Cited Count：1 Percentile：25.07(Astronomy & Astrophysics)

Journal Articles

Dirac/Weyl-node-induced oscillating Casimir effect

Nakayama, Katsumasa*; Suzuki, Kei

Physics Letters B, 843, p.138017_1 - 138017_7, 2023/08

https://doi.org/10.1016/j.physletb.2023.138017
 Times Cited Count：6 Percentile：79.71(Astronomy & Astrophysics)

The Casimir effect is a quantum phenomenon induced by the zero-point energy of relativistic fields confined in a finite-size system. This effect for photon fields has been studied for a long time, while the realization of counterparts for fermion fields in Dirac/Weyl semimetals is an open question. We theoretically demonstrate the typical properties of the Casimir effect for relativistic electron fields in Dirac/Weyl semimetals and show the results from an effective Hamiltonian for realistic materials such as Cd$$_3$$As$$_2$$ and Na$$_3$$Bi. We find an oscillation of the Casimir energy as a function of the thickness of the thin film, which stems from the existence of Dirac/Weyl nodes in momentum space. Experimentally, such an effect can be observed in thin films of semimetals, where the thickness dependence of thermodynamic quantities is affected by the Casimir energy.

Journal Articles

Intruder configurations in $$^{29}$$Ne at the transition into the island of inversion; Detailed structure study of $$^{28}$$Ne

Wang, H.*; Yasuda, Masahiro*; Kondo, Yosuke*; Nakamura, Takashi*; Tostevin, J. A.*; Ogata, Kazuyuki*; Otsuka, Takaharu*; Poves, A.*; Shimizu, Noritaka*; Yoshida, Kazuki; et al.

Physics Letters B, 843, p.138038_1 - 138038_9, 2023/08

https://doi.org/10.1016/j.physletb.2023.138038
 Times Cited Count：4 Percentile：67.28(Astronomy & Astrophysics)

Detailed $$gamma$$-ray spectroscopy of the exotic neon isotope $$^{28}$$Ne has been performed using the one-neutron removal reaction from $$^{29}$$Ne. Based on an analysis of parallel momentum distributions, a level scheme with spin-parity assignments has been constructed for $$^{28}$$Ne and the negative-parity states are identified for the first time. The measured partial cross sections and momentum distributions reveal a significant intruder p-wave strength providing evidence of the breakdown of the N = 20 and N = 28 shell gaps. Only a weak, possible f-wave strength was observed to bound final states. Large-scale shell-model calculations with different effective interactions do not reproduce the large p-wave and small f-wave strength observed experimentally, indicating an ongoing challenge for a complete theoretical description of the transition into the island of inversion along the Ne isotopic chain.

Journal Articles

Level structures of $$^{56,58}$$Ca cast doubt on a doubly magic $$^{60}$$Ca

Chen, S.*; Browne, F.*; Doornenbal, P.*; Lee, J.*; Obertelli, A.*; Tsunoda, Yusuke*; Otsuka, Takaharu*; Chazono, Yoshiki*; Hagen, G.*; Holt, J. D.*; et al.

Physics Letters B, 843, p.138025_1 - 138025_7, 2023/08

https://doi.org/10.1016/j.physletb.2023.138025
 Times Cited Count：9 Percentile：89.00(Astronomy & Astrophysics)

Gamma decays were observed in $$^{56}$$Ca and $$^{58}$$Ca following quasi-free one-proton knockout reactions from $$^{57,59}$$Sc. For $$^{56}$$Ca, a $$gamma$$ ray transition was measured to be 1456(12) keV, while for $$^{58}$$Ca an indication for a transition was observed at 1115(34) keV. Both transitions were tentatively assigned as the $$2^{+}_{1} rightarrow 0^{+}_{gs}$$ decays. A shell-model calculation in a wide model space with a marginally modified effective nucleon-nucleon interaction depicts excellent agreement with experiment for $$2^{+}_{1}$$ level energies, two-neutron separation energies, and reaction cross sections, corroborating the formation of a new nuclear shell above the N = 34 shell. Its constituents, the $$0_{f5/2}$$ and $$0_{g9/2}$$ orbitals, are almost degenerate. This degeneracy precludes the possibility for a doubly magic $$^{60}$$Ca and potentially drives the dripline of Ca isotopes to $$^{70}$$Ca or even beyond.

Journal Articles

First application of Markov chain Monte Carlo-based Bayesian data analysis to the Doppler-shift attenuation method

Sun, L. J.*; Fry, C.*; Davids, B.*; Esker, N.*; Wrede, C.*; Smallcombe, J.; 27 of others*

Physics Letters B, 839, p.137801_1 - 137801_8, 2023/04

https://doi.org/10.1016/j.physletb.2023.137801
 Times Cited Count：2 Percentile：43.87(Astronomy & Astrophysics)

Journal Articles

Elastic properties of nuclear pasta in a fully three-dimensional geometry

Xia, C.-J.*; Maruyama, Toshiki; Yasutake, Nobutoshi*; Tatsumi, Toshitaka*; Zhang, Y.-X.*

Physics Letters B, 839, p.137769_1 - 137769_5, 2023/04

https://doi.org/10.1016/j.physletb.2023.137769
 Times Cited Count：2 Percentile：43.87(Astronomy & Astrophysics)

Journal Articles

Large collectivity in $$^{29}$$Ne at the boundary of the island of inversion

Revel, A.*; Wu, J.*; Iwasaki, Hironori*; Ash, J.*; Bazin, D.*; Brown, B. A.*; Chen, J.*; Elder, R.*; Farris, P.*; Gade, A.*; et al.

Physics Letters B, 838, p.137704_1 - 137704_7, 2023/03

https://doi.org/10.1016/j.physletb.2023.137704
 Times Cited Count：3 Percentile：57.48(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Pole position of $$Lambda(1405)$$ measured in $$d(K^-,n)piSigma$$ reactions

Aikawa, Shu*; Hashimoto, Tadashi; Tanida, Kiyoshi; 73 of others*

Physics Letters B, 837, p.137637_1 - 137637_8, 2023/02

https://doi.org/10.1016/j.physletb.2022.137637
 Times Cited Count：10 Percentile：79.31(Astronomy & Astrophysics)

Journal Articles

First observation of the decay of the 13/2$$^+$$ isomer in $$^{183}$$Hg and $$B$$(${it M}$2) systematics of neutron transitions across the nuclear chart

Huang, H.*; Zhang, W. Q.*; Andreyev, A. N.; Liu, Z.*; Seweryniak, D.*; Li, Z. H.*; Guo, C. Y.*; Barzakh, A. E.*; Van Duppen, P.*; Andel, B.*; et al.

Physics Letters B, 833, p.137345_1 - 137345_8, 2022/10

https://doi.org/10.1016/j.physletb.2022.137345
 Times Cited Count：1 Percentile：17.31(Astronomy & Astrophysics)

Journal Articles

First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic $$^{187}$$Pb

Zhang, W. Q.*; Andreyev, A. N.; Liu, Z.*; Seweryniak, D.*; Huang, H.*; Li, Z. H.*; Li, J. G.*; Guo, C. Y.*; 34 of others*

Physics Letters B, 829, p.137129_1 - 137129_7, 2022/06

https://doi.org/10.1016/j.physletb.2022.137129
 Times Cited Count：6 Percentile：65.93(Astronomy & Astrophysics)

Journal Articles

A First glimpse at the shell structure beyond $$^{54}$$Ca; Spectroscopy of $$^{55}$$K, $$^{55}$$Ca, and $$^{57}$$Ca

Koiwai, Takuma*; Wimmer, K.*; Doornenbal, P.*; Obertelli, A.*; Barbieri, C.*; Duguet, T.*; Holt, J. D.*; Miyagi, Takayuki*; Navr$'a$til, P.*; Ogata, Kazuyuki*; et al.

Physics Letters B, 827, p.136953_1 - 136953_7, 2022/04

AA2021-0775.pdf:0.62MB

https://doi.org/10.1016/j.physletb.2022.136953
 Times Cited Count：7 Percentile：71.48(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Doubly heavy tetraquark resonant states

Meng, Q.*; Harada, Masayasu*; Hiyama, Emiko; Hosaka, Atsushi; Oka, Makoto

Physics Letters B, 824, p.136800_1 - 136800_5, 2022/01

https://doi.org/10.1016/j.physletb.2021.136800
 Times Cited Count：30 Percentile：97.52(Astronomy & Astrophysics)

Spectrum of the doubly heavy tetraquarks, $$bbbar q bar q$$, is studied in a constituent quark model. Four-body problem is solved in a variational method where the real scaling technique is used to identify resonant states above the fall-apart decay thresholds. In addition to the two bound states that were reported in the previous study we have found several narrow resonant states above the $$BB^*$$ and $$B^*B^*$$ thresholds. Their structures are studied and are interpreted by the quark dynamics. A narrow resonance with spin-parity $$J^P=1^+$$ is found to be a mixed state of a compact tetraquark and a $$B^*B^*$$ scattering state. This is driven by a strong color Coulombic attraction between the $$bb$$ quarks. Negative-parity excited resonances with $$J^P=0^-$$, $$1^-$$ and $$2^-$$ form a triplet under the heavy-quark spin symmetry. It turns out that they share a similar structure to the $$lambda$$-mode of a singly heavy baryon as a result of the strongly attractive correlation for the doubly heavy diquark.

Journal Articles

A Relativistic quantum approach to neutrino and antineutrino emission via the direct Urca process in strongly magnetized neutron-star matter

Maruyama, Tomoyuki*; Baha Balantekin, A.*; Cheoun, M.-K.*; Kajino, Toshitaka*; Kusakabe, Motohiko*; Mathews, G. J.*

Physics Letters B, 824, p.136813_1 - 136813_8, 2022/01

https://doi.org/10.1016/j.physletb.2021.136813
 Times Cited Count：6 Percentile：65.93(Astronomy & Astrophysics)

Journal Articles

Coexisting normal and intruder configurations in $$^{32}$$Mg

Kitamura, Noritaka*; Wimmer, K.*; Poves, A.*; Shimizu, Noritaka*; Tostevin, J. A.*; Bader, V. M.*; Bancroft, C.*; Barofsky, D.*; Baugher, T.*; Bazin, D.*; et al.

Physics Letters B, 822, p.136682_1 - 136682_7, 2021/11

AA2021-0459.pdf:1.01MB

https://doi.org/10.1016/j.physletb.2021.136682
 Times Cited Count：11 Percentile：71.33(Astronomy & Astrophysics)

no abstracts in English

Journal Articles

Transition probabilities in $$^{31}$$P and $$^{31}$$S; A Test for isospin symmetry

Tonev, D.*; De Angelis, G.*; Deloncle, I.*; Orlandi, R.; 27 of others*

Physics Letters B, 821, p.136603_1 - 136603_6, 2021/10

https://doi.org/10.1016/j.physletb.2021.136603
 Times Cited Count：6 Percentile：57.44(Astronomy & Astrophysics)

103 (Records 1-20 displayed on this page)