English
Related papers

Related papers: Experimental searches for rare alpha and beta deca…

200 papers

We report microscopic calculation of key $\beta$-decay properties for some of the crucial waiting point species having neutron closed magic shells 50 and 82. Our calculation bear astrophysical significance vis-\'{a}-vis speeding of the…

Nuclear Theory · Physics 2017-03-21 Jameel-Un Nabi , Munir Ahmad , Gul Daraz

The $\beta^-$ decay of $^{47}$K to $^{47}$Ca is an appropriate mechanism for benchmarking interactions spanning the $sd$ and $pf$ shells, but current knowledge of the $\beta^-$-decay scheme is limited. We have performed a high-resolution,…

The recent suggestion that dramatic changes may occur in the lifetime of alpha and beta decay when the activity, in a pure metal host, is cooled to a few Kelvin, is examined in the light of published low temperature nuclear orientation…

Nuclear Experiment · Physics 2009-11-11 N. J. Stone , J. R. Stone , M. Lindroos , P. Richards , M. Veskovic , D. A. Williams

Results from the study of $\beta^-$-decay of $^{45}$Cl, produced in the fragmentation of a 140-MeV/u $^{48}$Ca beam, are presented. The half-life for $^{45}$Cl $\beta$-decay is measured to be 513(36) ms. The $\beta^-$ and $\beta^- 1n$ decay…

In the context of the LENS R&D solar neutrino project, the gamma spectrum of a sample of metallic indium was measured using a single experimental setup of 4 HP-Ge detectors located underground at the Gran Sasso National Laboratories (LNGS),…

Nuclear Experiment · Physics 2009-11-10 C. M. Cattadori , M. De Deo , M. Laubenstein , L. Pandola , V. I. Tretyak

A search for the double beta decay of zinc and tungsten isotopes has been performed with the help of radiopure ZnWO4 crystal scintillators (0.1-0.7 kg) at the Gran Sasso National Laboratories of the INFN. The total exposure of the low…

In an experiment performed at the LISE3 facility of GANIL, we studied the decay of 22Al produced by the fragmentation of a 36Ar primary beam. A beta-decay half-life of 91.1 +- 0.5 ms was measured. The beta-delayed one- and two-proton…

Evaluated $2\beta^{-}(2\nu)$ half-lives and their systematics were reexamined in the framework of a phenomenological approach. Decay rate dependence on nuclear deformation, decay energy, shape coexistence, and forbidden transitions was…

Nuclear Theory · Physics 2023-03-22 B. Pritychenko

The $\beta$-decay half-lives of 55 neutron-rich nuclei $^{134-139}$Sn, $^{134-142}$Sb, $^{137-144}$Te, $^{140-146}$I, $^{142-148}$Xe, $^{145-151}$Cs, $^{148-153}$Ba, $^{151-155}$La were measured at the Radioactive Isotope Beam Factory…

The updated data for the ground-state-to-ground-state alpha-transition half-lives in 401 nuclei and the alpha capture cross sections of 40Ca, 44Ca, 59Co, 208Pb and 209Bi are well described in the framework of the unified model for…

Nuclear Theory · Physics 2015-06-29 V. Yu. Denisov , O. I. Davidovskaya , I. Yu. Sedykh

The CUPID-Mo experiment, located at Laboratoire Souterrain de Modane (France), was a demonstrator experiment for CUPID. It consisted of an array of 20 Li$_2^{100}$MoO$_4$ (LMO) calorimeters each equipped with a Ge light detector (LD) for…

The first ever search for $2\varepsilon$ and $\varepsilon\beta^+$ decay of $^{174}$Hf was realized using a high-pure sample of hafnium (with mass 179.8 g) and the ultra low-background HPGe-detector system located 225 m underground. After 75…

In this paper, $\beta^-$ and $\beta$-delayed neutron decays of $^{46,47}$Cl are reported from an experiment carried out at the National Superconducting Cyclotron Laboratory using the Beta Counting System. The half-lives of both $^{46}$Cl…

Low-energy excited states in 71,73Ni populated via the {\beta} decay of 71,73Co were investigated in an experiment performed at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU). Detailed analysis…

The NEMO-3 experiment measured the half-life of the $2\nu\beta\beta$ decay and searched for the $0\nu\beta\beta$ decay of $^{116}$Cd. Using $410$ g of $^{116}$Cd installed in the detector with an exposure of $5.26$ y, ($4968\pm74$) events…

After the pioneering work of the Heidelberg-Moscow (HDM) and International Germanium Experiment (IGEX) groups, the second round of neutrinoless double-$\beta$ decay searches currently underway has or will improve the life-time limits of…

Nuclear Experiment · Physics 2014-12-03 Werner Tornow

The results of the experimental investigations of double beta processes in Zinc and Tungsten isotopes with the help of middle volume (117 g, 168 g and 699 g) low-background ZnWO_4 crystal scintillators are presented. The experiment was…

Nuclear Experiment · Physics 2011-12-06 D. V. Poda

All existing ``positive'' results on two neutrino double beta decay in different nuclei were analyzed. Using the procedure recommended by the Particle Data Group, weighted average values for half-lives of $^{48}$Ca, $^{76}$Ge, $^{82}$Se,…

Nuclear Experiment · Physics 2009-11-18 A. S. Barabash

We report on a search for double beta decay of $^{130}$Te to the first $0^{+}$ excited state of $^{130}$Xe using a 9.8 kg$\cdot$yr exposure of $^{130}$Te collected with the CUORE-0 experiment. In this work we exploit different topologies of…

Nuclear Experiment · Physics 2020-08-25 CUORE Collaboration , C. Alduino , K. Alfonso , D. R. Artusa , F. T. Avignone , O. Azzolini , T. I. Banks , G. Bari , J. W. Beeman , F. Bellini , A. Bersani , M. Biassoni , C. Brofferio , C. Bucci , A. Caminata , L. Canonica , X. G. Cao , S. Capelli , L. Cappelli , L. Carbone , L. Cardani , P. Carniti , N. Casali , L. Cassina , D. Chiesa , N. Chott , M. Clemenza , S. Copello , C. Cosmelli , O. Cremonesi , R. J. Creswick , J. S. Cushman , A. D'Addabbo , I. Dafinei , C. J. Davis , S. Dell'Oro , M. M. Deninno , S. Di Domizio , M. L. Di Vacri , A. Drobizhev , D. Q. Fang , M. Faverzani , G. Fernandes , E. Ferri , F. Ferroni , E. Fiorini , S. J. Freedman , B. K. Fujikawa , A. Giachero , L. Gironi , A. Giuliani , L. Gladstone , P. Gorla , C. Gotti , T. D. Gutierrez , E. E. Haller , K. Han , E. Hansen , K. M. Heeger , R. Hennings-Yeomans , K. P. Hickerson , H. Z. Huang , R. Kadel , G. Keppel , Yu. G. Kolomensky , A. Leder , K. E. Lim , X. Liu , Y. G. Ma , M. Maino , L. Marini , M. Martinez , R. H. Maruyama , Y. Mei , N. Moggi , S. Morganti , P. J. Mosteiro , M. Nastasi , C. Nones , E. B. Norman , A. Nucciotti , T. O'Donnell , F. Orio , J. L. Ouellet , C. E. Pagliarone , M. Pallavicini , V. Palmieri , L. Pattavina , M. Pavan , G. Pessina , V. Pettinacci , G. Piperno , S. Pirro , S. Pozzi , E. Previtali , C. Rosenfeld , C. Rusconi , S. Sangiorgio , D. Santone , N. D. Scielzo , V. Singh , M. Sisti , A. R. Smith , L. Taffarello , M. Tenconi , F. Terranova , C. Tomei , S. Trentalange , M. Vignati , S. L. Wagaarachchi , B. S. Wang , H. W. Wang , J. Wilson , L. A. Winslow , T. Wise , A. Woodcraft , L. Zanotti , G. Q. Zhang , B. X. Zhu , S. Zimmermann , S. Zucchelli

Beta decay is a fundamental process that governs nuclear stability and serves as a sensitive probe of the weak interaction and possible physics beyond the Standard Model of particle physics. However, precise measurements of complete $\beta$…