000070848 001__ 70848
000070848 005__ 20170109122632.0
000070848 035__ $$9INSPIRETeX$$aSharov:2016baz
000070848 035__ $$9arXiv$$aoai:arXiv.org:1612.04697
000070848 037__ $$9arXiv$$aarXiv:1612.04697$$cnucl-ex
000070848 100__ $$aSharov, P.G.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 245__ $$9arXiv$$aSearch for $2p$ decay of the first excited state of $^{17}$Ne
000070848 246__ $$9arXiv$$aSearch for $2p$ decay of the first excited state of $^{17}$Ne
000070848 269__ $$c2016-12-14
000070848 500__ $$a*Brief entry*
000070848 520__ $$9arXiv$$aTwo-proton decay of the $^{17}$Ne low-lying states populated in the $^{1}$H$(^{18}$Ne,$d)^{17}$Ne transfer reaction was studied. The two-proton width \(\Gamma_{2p}\) of the $^{17}$Ne first excited $3/2^-$ state at 1.288 MeV is of importance for the two-proton radioactivity theory and nuclear-astrophysics applications. Dedicated search for the two-proton emission of this state was performed leading to the new upper limit obtained for the width ratio $\Gamma_{2p}/\Gamma_{\gamma} < 2.5 \times 10^{-4}$. A novel, "combined mass" method is suggested and tested capable to improve the resolution of the experiment which is a prime significance for the study of nuclear states with extreme small particle-to-gamma width ratios $\Gamma_{\mathrm{part}}/\Gamma_{\gamma}$. The condition $\Gamma_{\mathrm{part}} \ll \Gamma_{\gamma}$ is quite common for the states of astrophysical interest which makes the proposed approach prospective in this field.
000070848 540__ $$barXiv$$uhttp://arxiv.org/licenses/nonexclusive-distrib/1.0/
000070848 65017 $$2arXiv$$anucl-ex
000070848 65017 $$2INSPIRE$$aExperiment-Nucl
000070848 700__ $$aBezbakh, A.A.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aChudoba, V.$$uDubna, JINR$$uMoscow State U.$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vDubna State University,Dubna RU-141982,Russia
000070848 700__ $$aEgorova, I.A.$$uDubna, JINR$$uMoscow, KSRS$$vBogoliubov Laboratory of Theoretical Physics,JINR,Dubna,RU-141980 Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aFomichev, A.S.$$uDubna, JINR$$uMoscow State U.$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vDubna State University,Dubna RU-141982,Russia
000070848 700__ $$aGolovkov, M.S.$$uDubna, JINR$$uMoscow State U.$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vDubna State University,Dubna RU-141982,Russia
000070848 700__ $$aGolubkova, T.A.$$uMoscow State U.$$vAdvanced Educational and Scientific Center,Moscow State University,Kremenchugskaya 11,121357 Moscow,Russia
000070848 700__ $$aGorshkov, A.V.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aGrigorenko, L.V.$$uDubna, JINR$$uKurchatov Inst., Moscow$$uMoscow Phys. Eng. Inst.$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vNational Research Center ``Kurchatov Institute'',Kurchatov sq.~1,RU-123182 Moscow,Russia$$vNational Research Nuclear University ``MEPhI'',Kashirskoye shosse 31,115409 Moscow,Russia
000070848 700__ $$aKaminski, G.$$uDubna, JINR$$uCracow, INP$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vHenryk Niewodniczanski Institute of Nuclear Physics,Polish Academy of Sciences,31342 Cracow,Poland
000070848 700__ $$aKnyazev, A.G.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aKrupko, S.A.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aMentel, M.$$uDubna, JINR$$uAGH-UST, Cracow$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vAGH University of Science and Technology,Faculty of Physics and Applied Computer Science,al. Mickiewicza 30,30-059 Krakow,Poland
000070848 700__ $$aNikolskii, E.Yu.$$uKurchatov Inst., Moscow$$uDubna, JINR$$vNational Research Center ``Kurchatov Institute'',Kurchatov sq.~1,RU-123182 Moscow,Russia$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia
000070848 700__ $$aParfenova, Yu.L.$$uDubna, JINR$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia
000070848 700__ $$aPluchinski, P.$$uDubna, JINR$$uAGH-UST, Cracow$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vAGH University of Science and Technology,Faculty of Physics and Applied Computer Science,al. Mickiewicza 30,30-059 Krakow,Poland
000070848 700__ $$aRymzhanova, S.A.$$uDubna, JINR$$uMoscow, KSRS$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vSSC RF ITEP of NRC ``Kurchatov Institute'',Moscow RU-117218,Russia
000070848 700__ $$aSidorchuk, S.I.$$uDubna, JINR$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia
000070848 700__ $$aSlepnev, R.S.$$uDubna, JINR$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia
000070848 700__ $$aStepantsov, S.V.$$uDubna, JINR$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia
000070848 700__ $$aTer-Akopian, G.M.$$uDubna, JINR$$uMoscow State U.$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vDubna State University,Dubna RU-141982,Russia
000070848 700__ $$aWolski, R.$$uDubna, JINR$$uCracow, INP$$vFlerov Laboratory of Nuclear Reactions,JINR,Dubna,RU-141980,Russia$$vHenryk Niewodniczanski Institute of Nuclear Physics,Polish Academy of Sciences,31342 Cracow,Poland
000070848 700__ $$aZhukov, M.V.$$uGoteborg, ITP$$vDepartment of Physics,Chalmers University of Technology,S-41296 Göteborg,Sweden
000070848 8564_ $$s18904$$uhttp://inspirehep.net/record/1503443/files/masses.png$$y00001 The illustration of missing mass, invariant mass, and combined mass methods for the $^{1}$H$(^{18}$Ne,$d)^{17}$Ne reaction.
000070848 8564_ $$s21478$$uhttp://inspirehep.net/record/1503443/files/cm-mm.png$$y00005 (color online) Correlation plot showing the excitation energy of \textsuperscript{17}Ne measured in the missing mass method (\(E^*_{\mathrm{mm}}\)) and in the combined mass method (\(E^*_{\mathrm{cm}}\)). The ovals correspond to the loci where the majority of events for current state are concentrated.
000070848 8564_ $$s3011$$uhttp://inspirehep.net/record/1503443/files/scm.png$$y00000 The level schemes for \textsuperscript{17}Ne, its one-proton subsystem $^{16}$F, and decay scheme for \textsuperscript{17}Ne states.
000070848 8564_ $$s33290$$uhttp://inspirehep.net/record/1503443/files/setup.png$$y00002 (color online) The experimental setup and kinematic plot for the reaction products.
000070848 8564_ $$s4779$$uhttp://inspirehep.net/record/1503443/files/mm-thn.png$$y00003 Missing mass spectrum from the \(^1\)H$(^{18}$Ne,$d)^{17}$Ne reaction measured using a thin, gas target in the angular range $6^{\circ}-18^{\circ}$ in c.m.s. Vertical lines mark \(1/2^-\), \(3/2^-\), and \(1/2^+\) states of \textsuperscript{17}Ne.
000070848 8564_ $$s6472$$uhttp://inspirehep.net/record/1503443/files/2p.png$$y00004 Excitation energy spectra of \textsuperscript{17}Ne with \(2p\)-coincidence: (a) missing mass spectrum, (b) combined mass spectrum. Dashed line shows the \(2p\)-decay threshold of \textsuperscript{17}Ne, solid lines show the positions of \(3/2^-\) and \(1/2^+\) states.
000070848 8564_ $$s363198$$uhttp://inspirehep.net/record/1503443/files/arXiv:1612.04697.pdf
000070848 8564_ $$s49685$$uhttp://inspirehep.net/record/1503443/files/sense.png$$y00006 Monte-Carlo simulations of the improved setup demonstrating potential sensitivity limit of the method. The $3/2^-$, $5/2^-$, and $1/2^+$ contributions are shown by black solid, dashed red, and dotted blue curves, respectively. Panel (a) shows the probability density $W$. Thin curves gives the Gaussian fits with respective deduced FWHM values of 80, 130, and 140 keV. Panels (b) and (c) shows cumulative distribution functions $I$ for Gaussian fits and for complete MC distributions respectively.
000070848 909CO $$ooai:inspirehep.net:1503443$$pINSPIRE:HEP
000070848 980__ $$aarXiv
000070848 980__ $$aCiteable
000070848 980__ $$aHEP
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000070848 999C6 $$a0-0-1-1-0-1-0$$t2017-01-02 03:38:00$$vInvenio/1.1.2.1260-aa76f refextract/1.5.44$$vcontent.pdf;2