Related papers: Identification of new isomers in $^{228}$Ac : Impa…

133In: A Rosetta Stone for decays of r-process nuclei

The $\beta$ decays from both the ground state and a long-lived isomer of $^{133}$In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to $\beta$, $\gamma$, and neutron spectroscopy, the comparative…

Nuclear Experiment · Physics 2023-07-17 Z. Y. Xu , M. Madurga , R. Grzywacz , T. T. King , A. Algora , A. N. Andreyev , J. Benito , T. Berry , M. J. G. Borge , C. Costache , H. De Witte , A. Fijalkowska , L. M. Fraile , H. O. U. Fynbo , A. Gottardo , C. Halverson , L. J. Harkness-Brennan , J. Heideman , M. Huyse , A. Illana , Ł. Janiak , D. S. Judson , A. Korgul , T. Kurtukian-Nieto , I. Lazarus , R. Lică , R. Lozeva , N. Marginean , R. Marginean , C. Mazzocchi , C. Mihai , R. E. Mihai , A. I. Morales , R. D. Page , J. Pakarinen , M. Piersa-Siłkowska , Zs. Podolyák , P. Sarriguren , M. Singh , Ch. Sotty , M. Stepaniuk , O. Tengblad , A. Turturica , P. Van Duppen , V. Vedia , S. Viñals , N. Warr , R. Yokoyama , C. X. Yuan

Beta decay of Neutron-Rich 53-56Ca

Beta-decay properties of neutron-rich Ca isotopes have been obtained. Half-life values were determined for the first time for 54Ca [86(7) ms], 55Ca [22(2) ms], and 56Ca [11(2) ms]. The half-life of 230(6) ms deduced for 53Ca is…

Nuclear Experiment · Physics 2008-11-26 P. F. Mantica , R. Broda , H. L. Crawford , A. Damaske , B. Fornal , A. A. Hecht , C. Hoffman , M. Horoi , N. Hoteling , R. V. F. Janssens , J. Pereira , J. S. Pinter , J. B. Stoker , S. L. Tabor , T. Sumikama , W. B. Walters , X. Wang , S. Zhu

A new method in the production of Ac-227, Ra-228, Th-228 and U-232 on Thorium target from different perspective for use in Radioisotope Power Systems and Nuclear Batteries

We recommended a new method from different perspective for the production of Ac-227, Ra-228, Th-228 and U-232 radioisotopes which have an important potential for use in radioisotope power systems (instead of Pu-238) and nuclear batteries,…

Nuclear Experiment · Physics 2022-01-05 O. Artun

Ordinary muon capture studies for the matrix elements in $\beta\beta$ decay

Precise measurement of $\gamma$-rays following ordinary (non-radiative) capture of negative muons by natural Se, Kr, Cd and Sm, as well as isotopically enriched $^{48}$Ti, $^{76}$Se, $^{82}$Kr, $^{106}$Cd and $^{150}$Sm targets was…

Nuclear Experiment · Physics 2019-04-09 D. Zinatulina , V. Brudanin , V. Egorov , C. Petitjean , M. Shirchenko , J. Suhonen , I. Yutlandov

Thermal stability of cubane C8H8

The reasons for the anomalously high thermal stability of cubane C8H8 and the mechanisms of its decomposition are studied by numerically simulating the dynamics of this metastable cluster at T = 1050 - 2000 K using a tight-binding…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. M. Maslov , D. A. Lobanov , A. I. Podlivaev , L. A. Openov

Observation of pseudoscalar and tensor resonances in $J/\psi\rightarrow \gamma \phi \phi$

Based on a sample of $(1310.6 \pm 10.5) \times 10^{6}$ $J/\psi$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J/\psi\rightarrow \gamma \phi \phi$ is performed in order…

High Energy Physics - Experiment · Physics 2016-06-29 M. Ablikim , M. N. Achasov , X. C. Ai , O. Albayrak , M. Albrecht , D. J. Ambrose , A. Amoroso , F. F. An , Q. An , J. Z. Bai , R. Baldini Ferroli , Y. Ban , D. W. Bennett , J. V. Bennett , M. Bertani , D. Bettoni , J. M. Bian , F. Bianchi , E. Boger , I. Boyko , R. A. Briere , H. Cai , X. Cai , O. Cakir , A. Calcaterra , G. F. Cao , S. A. Cetin , J. F. Chang , G. Chelkov , G. Chen , H. S. Chen , H. Y. Chen , J. C. Chen , M. L. Chen , S. J. Chen , X. Chen , X. R. Chen , Y. B. Chen , H. P. Cheng , X. K. Chu , G. Cibinetto , H. L. Dai , J. P. Dai , A. Dbeyssi , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , C. Dong , J. Dong , L. Y. Dong , M. Y. Dong , Z. L. Dou , S. X. Du , P. F. Duan , J. Z. Fan , J. Fang , S. S. Fang , X. Fang , Y. Fang , R. Farinelli , L. Fava , O. Fedorov , F. Feldbauer , G. Felici , C. Q. Feng , E. Fioravanti , M. Fritsch , C. D. Fu , Q. Gao , X. L. Gao , X. Y. Gao , Y. Gao , Z. Gao , I. Garzia , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , Y. T. Gu , Y. H. Guan , A. Q. Guo , L. B. Guo , Y. Guo , Y. P. Guo , Z. Haddadi , A. Hafner , S. Han , X. Q. Hao , F. A. Harris , K. L. He , T. Held , Y. K. Heng , Z. L. Hou , C. Hu , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , J. S. Huang , X. T. Huang , Y. Huang , T. Hussain , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , L. W. Jiang , X. S. Jiang , X. Y. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , T. Johansson , A. Julin , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. C. Ke , P. Kiese , R. Kliemt , B. Kloss , O. B. Kolcu , B. Kopf , M. Kornicer , A. Kupsc , W. Kühn , J. S. Lange , M. Lara , P. Larin , C. Leng , C. Li , Cheng Li , D. M. Li , F. Li , F. Y. Li , G. Li , H. B. Li , J. C. Li , Jin Li , K. Li , K. Li , Lei Li , P. R. Li , Q. Y. Li , T. Li , W. D. Li , W. G. Li , X. L. Li , X. N. Li , X. Q. Li , Z. B. Li , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , D. X. Lin , B. J. Liu , C. X. Liu , D. Liu , F. H. Liu , Fang Liu , Feng Liu , H. B. Liu , H. H. Liu , H. H. Liu , H. M. Liu , J. Liu , J. B. Liu , J. P. Liu , J. Y. Liu , K. Liu , K. Y. Liu , L. D. Liu , P. L. Liu , Q. Liu , S. B. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Zhiqing Liu , H. Loehner , X. C. Lou , H. J. Lu , J. G. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , Q. M. Ma , T. Ma , X. N. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , Y. J. Mao , Z. P. Mao , S. Marcello , J. G. Messchendorp , J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , C. Morales Morales , N. Yu. Muchnoi , H. Muramatsu , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , S. L. Niu , X. Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , Y. Pan , P. Patteri , M. Pelizaeus , H. P. Peng , K. Peters , J. Pettersson , J. L. Ping , R. G. Ping , R. Poling , V. Prasad , H. R. Qi , M. Qi , S. Qian , C. F. Qiao , L. Q. Qin , N. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , K. H. Rashid , C. F. Redmer , M. Ripka , G. Rong , Ch. Rosner , X. D. Ruan , V. Santoro , A. Sarantsev , M. Savrié , K. Schoenning , S. Schumann , W. Shan , M. Shao , C. P. Shen , P. X. Shen , X. Y. Shen , H. Y. Sheng , W. M. Song , X. Y. Song , S. Sosio , S. Spataro , G. X. Sun , J. F. Sun , S. S. Sun , Y. J. Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , C. J. Tang , X. Tang , I. Tapan , E. H. Thorndike , M. Tiemens , M. Ullrich , I. Uman , G. S. Varner , B. Wang , B. L. Wang , D. Wang , D. Y. Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , P. Wang , P. L. Wang , S. G. Wang , W. Wang , W. P. Wang , X. F. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. G. Wang , Z. H. Wang , Z. Y. Wang , T. Weber , D. H. Wei , J. B. Wei , P. Weidenkaff , S. P. Wen , U. Wiedner , M. Wolke , L. H. Wu , Z. Wu , L. Xia , L. G. Xia , Y. Xia , D. Xiao , H. Xiao , Z. J. Xiao , Y. G. Xie , Q. L. Xiu , G. F. Xu , L. Xu , Q. J. Xu , Q. N. Xu , X. P. Xu , L. Yan , W. B. Yan , W. C. Yan , Y. H. Yan , H. J. Yang , H. X. Yang , L. Yang , Y. X. Yang , M. Ye , M. H. Ye , J. H. Yin , B. X. Yu , C. X. Yu , J. S. Yu , C. Z. Yuan , W. L. Yuan , Y. Yuan , A. Yuncu , A. A. Zafar , A. Zallo , Y. Zeng , Z. Zeng , B. X. Zhang , B. Y. Zhang , C. Zhang , C. C. Zhang , D. H. Zhang , H. H. Zhang , H. Y. Zhang , J. J. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , K. Zhang , L. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Y. N. Zhang , Y. T. Zhang , Yu Zhang , Z. H. Zhang , Z. P. Zhang , Z. Y. Zhang , G. Zhao , J. W. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , Q. W. Zhao , S. J. Zhao , T. C. Zhao , Y. B. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , L. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , K. Zhu , K. J. Zhu , S. Zhu , S. H. Zhu , X. L. Zhu , Y. C. Zhu , Y. S. Zhu , Z. A. Zhu , J. Zhuang , L. Zotti , B. S. Zou , J. H. Zou

Microscopic description of $\alpha$, $2\alpha$, and cluster decays of $^{216-220}$Rn and $^{220-224}$Ra

Alpha and cluster decays are analyzed for heavy nuclei located above $^{208}$Pb on the chart of nuclides: $^{216-220}$Rn and $^{220-224}$Ra, that are also candidates for observing the $2 \alpha$ decay mode. A microscopic theoretical…

Nuclear Theory · Physics 2023-03-29 J. Zhao , J. -P. Ebran , L. Heitz , E. Khan , F. Mercier , T. Niksic , D. Vretenar

Cosmological implications of APM 08279+5255, an old quasar at z = 3.91

The existence of old high-redshift objects provides an important tool for constraining the expanding age of the Universe and the formation epoch of the first objects. In a recent paper, Hasinger {\it et al.} (2002) reported the discovery of…

Astrophysics · Physics 2009-11-07 J. S. Alcaniz , J. A. S. Lima , J. V. Cunha

Internal conversion of the low energy $^{229m}$Th isomer in the Thorium anion

A process of the decay of the anomalously low lying nuclear isomer $^{229m}$Th$(3/2^+,8.28 \pm 0.17$ eV) in the Thorium anion (Th$^-$) via the internal conversion (IC) channel is studied. We show that the half life of the nuclear isomer in…

Nuclear Theory · Physics 2020-05-20 E. V. Tkalya , R. Si

Controlling $^{229}$Th isomeric state population in a VUV transparent crystal

The radioisotope Th-229 is renowned for its extraordinarily low-energy, long-lived nuclear first-excited state. This isomeric state can be excited by VUV lasers and the transition from the ground state has been proposed as a reference…

Nuclear Experiment · Physics 2024-07-24 Takahiro Hiraki , Koichi Okai , Michael Bartokos , Kjeld Beeks , Hiroyuki Fujimoto , Yuta Fukunaga , Hiromitsu Haba , Yoshitaka Kasamatsu , Shinji Kitao , Adrian Leitner , Takahiko Masuda , Guan Ming , Nobumoto Nagasawa , Ryoichiro Ogake , Martin Pimon , Martin Pressler , Noboru Sasao , Fabian Schaden , Thorsten Schumm , Makoto Seto , Yudai Shigekawa , Koutaro Shimizu , Tomas Sikorsky , Kenji Tamasaku , Sayuri Takatori , Tsukasa Watanabe , Atsushi Yamaguchi , Yoshitaka Yoda , Akihiro Yoshimi , Koji Yoshimura

Search for alpha decay of naturally occurring osmium nuclides accompanied by gamma quanta

A search for $\alpha$ decay of naturally occurring osmium isotopes to the lowest excited levels of daughter nuclei has been performed by using an ultra-low-background Broad-Energy Germanium $\gamma$-detector with a volume of 112 cm$^3$ and…

Nuclear Experiment · Physics 2020-09-04 P. Belli , R. Bernabei , F. Cappella , V. Caracciolo , R. Cerulli , F. A. Danevich , A. Incicchitti , D. V. Kasperovych , V. V. Kobychev , G. P. Kovtun , N. G. Kovtun , M. Laubenstein , D. V. Poda , O. G. Polischuk , A. P. Shcherban , S. Tessalina , V. I. Tretyak

New Search for Monochromatic Neutrinos from Dark Matter Decay

From data recently reported from the IceCube telescope, we derive new bounds on the monochromatic neutrino signal produced from dark matter particle decays. In the few TeV to tens of TeV energy range, these bounds turn out to be better than…

High Energy Physics - Phenomenology · Physics 2015-12-23 Chaïmae El Aisati , Michael Gustafsson , Thomas Hambye

A Rn-220 source for the calibration of low-background experiments

We characterize two 40 kBq sources of electrodeposited Th-228 for use in low-background experiments. The sources efficiently emanate Rn-220, a noble gas that can diffuse in a detector volume. Rn-220 and its daughter isotopes produce alpha,…

Instrumentation and Detectors · Physics 2016-05-27 Rafael F. Lang , Andrew Brown , Ethan Brown , Mayra Cervantes , Sean Macmullin , Darryl Masson , Jochen Schreiner , Hardy Simgen

$\beta$-Decay Properties of Neutron-rich Yttrium Isotopes

In this study, we have reported key nuclear properties of weak $\beta$-decay processes on Yttrium isotopes for the mass number range $A = 101 - 108$. This mass region is important in astrophysical $r$-process abundances. Our study might be…

Nuclear Theory · Physics 2025-03-24 Fakeha Farooq , Jameel-Un Nabi , Ramoona Shehzadi

Alpha-decay spectroscopy of $^{257}$Rf

The decay properties of the ground state and excited states of $^{257}$Rf have been investigated with the detector array GABRIELA at the FLNR, Dubna. The electromagnetic decay of a new excited state in $^{253}$No has been observed. The…

Nuclear Experiment · Physics 2022-02-09 K. Hauschild , A. Lopez-Martens , R. Chakma , O. Dorvaux , B. Gall , M. L. Chelnokov , V. I. Chepigin , A. V. Isaev , I. N. Izosimov , D. E. Katrasev , A. A. Kuznetsova , O. N. Malyshev , A. G. Popeko , Yu. A. Popov , E. A. Sokol , A. I. Svirikhin , A. V. Yeremin , D. Ackermann , J. Piot , P. Mosat , B. Andel

Analysis of Beta-Decay Rates for Ag108, Ba133, Eu152, Eu154, Kr85, Ra226 And Sr90, Measured at the Physikalisch-Technische Bundesanstalt from 1990 to 1996

We present the results of an analysis of measurements of the beta-decay rates of Ag108, Ba133, Eu152, Eu154, Kr85, Ra226, and Sr90 acquired at the Physikalisch-Technische Bundesanstalt from 1990 through 1995. Although the decay rates vary…

Nuclear Theory · Physics 2015-06-22 Peter A. Sturrock , Ephraim Fischbach , Jere Jenkins

$\beta$ Decay Studies of Neutron-Rich Nuclei Near $^{52}$Ca

The $\beta$-decay and isomeric properties of $^{54}$Sc, $^{50}$K and $^{53}$Ca are presented, and their implications with respect to the goodness of the N=32 sub-shell closure discussed.

Nuclear Experiment · Physics 2010-05-19 H. L. Crawford , R. V. F. Janssens , P. F. Mantica , J. S. Berryman , R. Broda , M. P. Carpenter , B. Fornal , G. F. Grinyer , N. Hoteling , B. Kay , T. Lauritsen , K. Minamisono , I. Stefanescu , J. B. Stoker , W. B. Walters , S. Zhu

Spectroscopy and lifetime measurements near the proton drip line: $^{26,27,28}$P

We report on the observation of excited states in the neutron-deficient phosphorus isotopes $^{26,27,28}$P via in-beam gamma-ray spectroscopy with both high-efficiency and high-resolution detector arrays. In $^{26}$P, a…

Nuclear Experiment · Physics 2019-06-28 B. Longfellow , A. Gade , B. A. Brown , D. Bazin , P. C. Bender , M. Bowry , P. D. Cottle , B. Elman , E. Lunderberg , A. Magilligan , M. Spieker , D. Weisshaar , S. J. Williams

The Impact of the New $^{59}$Fe Decay Rates on $^{60}$Fe and $^{26}$Al Nucleosynthesis in Massive Stars

The diffuse $\gamma$-ray emission from short-lived radioactive $^{26}$Al and $^{60}$Fe provides a direct probe of ongoing nucleosynthesis in the Galaxy. However, theoretical models have long struggled to reproduce the observed…

High Energy Astrophysical Phenomena · Physics 2026-05-29 Bingyang Tan , Wenyu Xin , Ruizheng Jiang , Gang Zhao , Koh Takahashi

Do you smell something decaying? Updated linear constraints on decaying dark matter scenarios

The stability of particles in the cosmic soup is an important property that can affect the cosmic evolution. In this work, we update the constraints on the decaying cold dark matter scenario, when the decay products are effectively…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-16 S. Alvi , T. Brinckmann , M. Gerbino , M. Lattanzi , L. Pagano