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NSR database version of April 26, 2024.

Search: Author = I.Knapova

Found 6 matches.

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2024AM02      Phys.Rev.Lett. 132, 122701 (2024)

S.Amaducci, N.Colonna, L.Cosentino, S.Cristallo, P.Finocchiaro, M.Krticka, C.Massimi, M.Mastromarco, A.Mazzone, E.A.Maugeri, A.Mengoni, I.U.Roederer, O.Straniero, S.Valenta, D.Vescovi, O.Aberle, V.Alcayne, J.Andrzejewski, L.Audouin, V.Babiano-Suarez, M.Bacak, M.Barbagallo, S.Bennett, E.Berthoumieux, J.Billowes, D.Bosnar, A.Brown, M.Busso, M.Caamano, L.Caballero-Ontanaya, F.Calvino, M.Calviani, D.Cano-Ott, A.Casanovas, F.Cerutti, E.Chiaveri, G.Cortes, M.A.Cortes-Giraldo, L.A.Damone, P.J.Davies, M.Diakaki, M.Dietz, C.Domingo-Pardo, R.Dressler, Q.Ducasse, E.Dupont, I.Duran, Z.Eleme, B.Fernandez-Dominguez, A.Ferrari, V.Furman, K.Gobel, R.Garg, A.Gawlik-Ramiega, S.Gilardoni, I.F.Goncalves, E.Gonzalez-Romero, C.Guerrero, F.Gunsing, H.Harada, S.Heinitz, J.Heyse, D.G.Jenkins, A.Junghans, F.Kappeler, Y.Kadi, A.Kimura, I.Knapova, M.Kokkoris, Y.Kopatch, D.Kurtulgil, I.Ladarescu, C.Lederer-Woods, H.Leeb, J.Lerendegui-Marco, S.J.Lonsdale, D.Macina, A.Manna, T.Martinez, A.Masi, P.Mastinu, E.Mendoza, V.Michalopoulou, P.M.Milazzo, F.Mingrone, J.Moreno-Soto, A.Musumarra, A.Negret, R.Nolte, F.Ogallar, A.Oprea, N.Patronis, A.Pavlik, J.Perkowski, C.Petrone, L.Piersanti, E.Pirovano, I.Porras, J.Praena, J.M.Quesada, D.Ramos-Doval, T.Rauscher, R.Reifarth, D.Rochman, C.Rubbia, M.Sabate-Gilarte, A.Saxena, P.Schillebeeckx, D.Schumann, A.Sekhar, A.G.Smith, N.V.Sosnin, P.Sprung, A.Stamatopoulos, G.Tagliente, J.L.Tain, A.Tarifeno-Saldivia, L.Tassan-Got, Th.Thomas, P.Torres-Sanchez, A.Tsinganis, J.Ulrich, S.Urlass, G.Vannini, V.Variale, P.Vaz, A.Ventura, V.Vlachoudis, R.Vlastou, A.Wallner, P.J.Woods, T.Wright, P.Zugec

Measurement of the ¹⁴⁰Ce(n, γ) Cross Section at n_TOF and Its Astrophysical Implications for the Chemical Evolution of the Universe

NUCLEAR REACTIONS ¹⁴⁰Ce(n, γ), E<200 keV; measured reaction products, En, In, Eγ, Iγ; deduced Maxwellian averaged σ, yields, resonance parameters, impact on galactic abundances. Comparison with ENDF/B-VIII.0, JENDL-5 libraries, R-matrix code SAMMY. The neutron beam time-of-flight facility (n_TOF) at CERN.

doi: 10.1103/PhysRevLett.132.122701
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2023KN03      Phys.Rev. C 107, 044313 (2023)

I.Knapova, A.Couture, C.Fry, J.Kvasil, M.Krticka, V.O.Nesterenko, J.M.O'Donnell, C.J.Prokop, G.Rusev, J.L.Ullmann, S.Valenta

Photon strength functions, level densities, and isomeric ratio in ¹⁶⁸Er from the radiative neutron capture measured at the DANCE facility

NUCLEAR REACTIONS ¹⁶⁸Er(n, γ), E=15-350 eV; measured neutron Time-of-Flight, Eγ, Iγ, γγ-coin, total γ-sum energy, multistep γ-cascade spectra; deduced γ- multiplicity, isomeric ratios, resonances, total radiative width of s-wave resonances. ¹⁶⁸Er; deduced isomer levels, T_1/2, nuclear level density (NLD), photon strength functions (PSFs), total B(M1) strength. Comparison to experimental data obtained by Oslo method and in NRF experiments. Confirmed scissor mode resonance-like structure in the M1 PSF with its centroid between 3.1 and 3.3 MeV and a width of about 1 MeV. Analysis of multistep cascade fluctuations indicate possible invalidity of the assumed Porter-Thomas distribution of the primary transition intensities. Comparison to TALYS and DICEBOX simulations. Highly segmented γ-ray calorimeter Detector for Advanced Neutron Capture Experiments DANCE (160 BaF₂ scintillation crystals) at at the moderated spallation neutron source LANSCE (Los Alamos Neutron Science Center).

doi: 10.1103/PhysRevC.107.044313
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2022KN01      Phys.Rev. C 106, 034607 (2022)

I.Knapova, S.Valenta, B.Baramsai, T.A.Bredeweg, A.Couture, C.Fry, M.Jandel, J.Kroll, M.Krticka, G.E.Mitchell, J.M.O'Donnell, C.J.Prokop, G.Rusev, J.L.Ullmann

Spin assignment and statistical properties of neutron resonances from ^{161, 163}Dy(n, γ) and ¹⁶⁷Er(n, γ) measured at the DANCE facility

NUCLEAR REACTIONS ^161,163Dy, ¹⁶⁷Er(n, γ), E=2-345 eV; measured Eγ, Iγ, γγ-coin, γ-sum energy; deduced J, resonances parameters, average resonance spacings. Checked the ratio of spacings for the two spins formed in s-wave resonance capture against predictions of different nuclear level density models. Comparison to other experimental data, Mughabghab "Atlas of Neutron Resonances" evaluation and TALYS calculations. Highly segmented γ-ray calorimeter Detector for Advanced Neutron Capture Experiments (DANCE) consisting of 160 BaF² crystals the Los Alamos Neutron Science Center.

doi: 10.1103/PhysRevC.106.034607
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2021BA30      Eur.Phys.J. A 57, 197 (2021)

V.Babiano-Suarez, J.Lerendegui-Marco, J.Balibrea-Correa, L.Caballero, D.Calvo, I.Ladarescu, D.Real, C.Domingo-Pardo, F.Calvino, A.Casanovas, A.Tarifeno-Saldivia, V.Alcayne, C.Guerrero, M.A.Millan-Callado, T.Rodriguez-Gonzalez, M.Barbagallo, O.Aberle, S.Amaducci, J.Andrzejewski, L.Audouin, M.Bacak, S.Bennett, E.Berthoumieux, J.Billowes, D.Bosnar, A.Brown, M.Busso, M.Caamano, M.Calviani, D.Cano-Ott, F.Cerutti, E.Chiaveri, N.Colonna, G.Cortes, M.A.Cortes-Giraldo, L.Cosentino, S.Cristallo, L.A.Damone, P.J.Davies, M.Diakaki, M.Dietz, R.Dressler, Q.Ducasse, E.Dupont, I.Duran, Z.Eleme, B.Fernandez-Dominguez, A.Ferrari, P.Finocchiaro, V.Furman, K.Gobel, R.Garg, A.Gawlik, S.Gilardoni, I.F.Goncalves, E.Gonzalez-Romero, F.Gunsing, H.Harada, S.Heinitz, J.Heyse, D.G.Jenkins, A.Junghans, F.Kappeler, Y.Kadi, A.Kimura, I.Knapova, M.Kokkoris, Y.Kopatch, M.Krticka, D.Kurtulgil, C.Lederer-Woods, H.Leeb, S.J.Lonsdale, D.Macina, A.Manna, T.Martinez, A.Masi, C.Massimi, P.Mastinu, M.Mastromarco, E.A.Maugeri, A.Mazzone, E.Mendoza, A.Mengoni, V.Michalopoulou, P.M.Milazzo, F.Mingrone, J.Moreno-Soto, A.Musumarra, A.Negret, F.Ogallar, A.Oprea, N.Patronis, A.Pavlik, J.Perkowski, L.Persanti, C.Petrone, E.Pirovano, I.Porras, J.Praena, J.M.Quesada, D.Ramos Doval, T.Rauscher, R.Reifarth, D.Rochman, C.Rubbia, M.Sabate-Gilarte, A.Saxena, P.Schillebeeckx, D.Schumann, A.Sekhar, A.G.Smith, N.V.Sosnin, P.Sprung, A.Stamatopoulos, G.Tagliente, J.L.Tain, L.Tassan-Got, Th.Thomas, P.Torres-Sanchez, A.Tsinganis, J.Ulrich, S.Urlass, S.Valenta, G.Vannini, V.Variale, P.Vaz, A.Ventura, D.Vescovi, V.Vlachoudis, R.Vlastou, A.Wallner, P.J.Woods, T.Wright, P.Zugec

Imaging neutron capture cross sections: i-TED proof-of-concept and future prospects based on Machine-Learning techniques

NUCLEAR REACTIONS ¹⁹⁷Au, ⁵⁶Fe(n, γ), E<200 KeV; measured reaction products, Eγ, Iγ, En, In, TOF; deduced neutron spectra, signal-to-background ratio in (n, γ) σ measurements using Machine-Learning techniques.

doi: 10.1140/epja/s10050-021-00507-7
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2020SI05      Phys.Rev. C 101, 024302 (2020)

N.Simbirtseva, M.Krticka, R.F.Casten, A.Couture, W.I.Furman, I.Knapova, J.M.O'Donnell, G.Rusev, J.L.Ullmann, S.Valenta

Examination of photon strength functions and nuclear level density in ¹⁹⁶Pt from the γ-ray spectra measured at the DANCE facility

NUCLEAR REACTIONS ¹⁹⁵Pt(n, γ), E=9-1000 eV; measured E(n) by time of flight, Eγ, Iγ, γγ-coin, multi-step γ-ray cascades (MSCs) using the segmented γ-ray Detector for Advanced Neutron Capture (DANCE) of 160 BaF₂ crystals at the Los Alamos Neutron Science Center (LANSC). ¹⁹⁶Pt; deduced nuclear level density (NLD) and photon strength functions (PSFs); confirmed E1 PSF resonance at ≈5.6 MeV. Comparison of experimental MSC spectra with previous experimental data from Oslo and others, and with constant-temperature (CT) and back-shifted Fermi-gas (BSFG) model calculations.

doi: 10.1103/PhysRevC.101.024302
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2019LE04      Phys.Lett. B 790, 458 (2019); Erratum Phys.Lett. B 840, 137835 (2023)

C.Lederer-Woods, U.Battino, P.Ferreira, A.Gawlik, C.Guerrero, F.Gunsing, S.Heinitz, J.Lerendegui-Marco, A.Mengoni, R.Reifarth, A.Tattersall, S.Valenta, C.Weiss, O.Aberle, J.Andrzejewski, L.Audouin, V.Becares, M.Bacak, J.Balibrea, M.Barbagallo, S.Barros, F.Becvar, C.Beinrucker, F.Belloni, E.Berthoumieux, J.Billowes, D.Bosnar, M.Brugger, M.Caamano, F.Calvino, M.Calviani, D.Cano-Ott, F.Cerutti, E.Chiaveri, N.Colonna, G.Cortes, M.A.Cortes-Giraldo, L.Cosentino, L.A.Damone, K.Deo, M.Diakaki, M.Dietz, C.Domingo-Pardo, R.Dressler, E.Dupont, I.Duran, B.Fernandez-Dominguez, A.Ferrari, P.Finocchiaro, R.J.W.Frost, V.Furman, K.Gobel, A.R.Garcia, I.Gheorghe, T.Glodariu, I.F.Goncalves, E.Gonzalez-Romero, A.Goverdovski, E.Griesmayer, H.Harada, T.Heftrich, A.Hernandez-Prieto, J.Heyse, D.G.Jenkins, E.Jericha, F.Kappeler, Y.Kadi, T.Katabuchi, P.Kavrigin, V.Ketlerov, V.Khryachkov, A.Kimura, N.Kivel, I.Knapova, M.Kokkoris, M.Krticka, E.Leal-Cidoncha, H.Leeb, M.Licata, S.Lo Meo, R.Losito, D.Macina, J.Marganiec, T.Martinez, C.Massimi, P.Mastinu, M.Mastromarco, F.Matteucci, E.Mendoza, P.M.Milazzo, F.Mingrone, M.Mirea, S.Montesano, A.Musumarra, R.Nolte, F.R.Palomo-Pinto, C.Paradela, N.Patronis, A.Pavlik, J.Perkowski, J.I.Porras, J.Praena, J.M.Quesada, T.Rauscher, A.Riego-Perez, M.Robles, C.Rubbia, J.A.Ryan, M.Sabate-Gilarte, A.Saxena, P.Schillebeeckx, S.Schmidt, D.Schumann, P.Sedyshev, A.G.Smith, A.Stamatopoulos, S.V.Suryanarayana, G.Tagliente, J.L.Tain, A.Tarifeno-Saldivia, L.Tassan-Got, A.Tsinganis, G.Vannini, V.Variale, P.Vaz, A.Ventura, V.Vlachoudis, R.Vlastou, A.Wallner, S.Warren, M.Weigand, T.Wright, P.Zugec

Measurement of ⁷³Ge(n, γ) cross sections and implications for stellar nucleosynthesis

NUCLEAR REACTIONS ⁷³Ge(n, γ), E<300 keV; measured reaction products, En, In; deduced σ, resonance energies and capture kernels, astrophysical impact, Maxwellian-averaged σ for ground and excited states capture. The neutron time-of-flight facility n_TOF at CERN.

doi: 10.1016/j.physletb.2019.01.045
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23451.