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19932021
most citedNeutron Interferometry constrains dark energy chameleon fields

90 citations · 967 across the 118 of their papers we have counts for

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nucl-th2011

Molecule model for deeply bound and broad kaonic nuclear clusters

A. N. Ivanov, P. Kienle, J. Marton +1

A molecule model is proposed for the description of the properties of the kaonic nuclear cluster (KNC) anti-KNN with the structure N(ant-KN)_(I = 0) and quantum numbers I(J^P) = 1/…

nucl-th2011

Time Modulation of K-Shell Electron Capture Decay Rates of H-Like Heavy Ions and Neutrino Masses

R. Hoellwieser, A. N. Ivanov, P. Kienle +1

We calculate the neutrino masses, using the experimental data on the periods of the time modulation of the K-shell electron capture (EC) decay rates of the H-like heavy ions, measu…

nucl-th2010★ 10 cited

Energy Level Displacement of Excited np State of Kaonic Deuterium In Faddeev Equation Approach

M. Faber, M. P. Faifman, A. N. Ivanov +3

We calculate the energy level displacement of the excited state of kaonic deuterium in terms of the P-wave scattering length of scattering. We solve the Faddeev equatio…

nucl-th2009★ 3 cited

Molecule model for kaonic nuclear cluster anti-KNN

M. Faber, A. N. Ivanov, P. Kienle +2

We analyse the properties of the kaonic nuclear cluster (KNC) anti-KNN with the structure Nx(anti-KN)_(I = 0), having the quantum numbers I(J^P) = 1/2(0^-), and treated as a quasi-…

nucl-th2009★ 1 cited

Time Modulation of Orbital Electron Capture Decays of H-like Heavy Ions

A. N. Ivanov, P. Kienle

According to experimental data at GSI, the rates of the number of daughter ions, produced by the nuclear K-shell electron capture (EC) decays of the H-like 140Pr58+, 142Pm60+ and 1…

nucl-th2009★ 4 cited

On the influence of the magnetic field of the GSI experimental storage ring on the time-modulation of the EC-decay rates of the H-like mother ions

M. Faber, A. N. Ivanov, P. Kienle +2

We investigate the influence of the magnetic field of the Experimental storage ring (ESR) at GSI on the periodic time-dependence of the orbital K-shell electron capture decay …

nucl-th2009★ 1 cited

Rates of K-shell Electron Capture Decays of 180Re and 142Pm Atoms

A. N. Ivanov, P. Kienle, M. Pitschmann

We propose a theoretical analysis of the experimental data on the time behaviour K-shell electron capture (EC) decays of atoms 180Re and 142Pm in solid targets, obtained recently b…

nucl-th2008

Can the "Darmstadt oscillations" be treated as two closely spaced mass-eigenstates of the H-like mother ions ?

M. Faber, A. N. Ivanov, P. Kienle +3

We discuss the proposal that the "Darmstadt oscillations" of the orbital K-shell electron capture decay (EC) rate of the H-like heavy ions are caused by quantum beats of two cohere…

nucl-th2008★ 13 cited

First-Forbidden Continuum- and Bound-State beta^- -Decay Rates of Bare 205Hg80+ and 207Tl81+ Ions

M. Faber, A. N. Ivanov, P. Kienle +3

We calculate the decay rates lambda_(beta^-_c) and lambda_(beta^-_b) of the continuum- and bound-state beta^- decays for bare 205Hg80+ and 207Tl81+ ions. For the ratio of the decay…

nucl-th2008★ 1 cited

Comments on "Rates of processes with coherent production of different particles and the GSI time anomaly"by C. Giunti, Phys. Lett. B 665, 92 (2008), 0805.0431

A. N. Ivanov, E. L. Kryshen, M. Pitschmann +1

We give comments on the recent paper by Giunti (Phys. Lett. B 665, 92 (2008), arXiv: 0805.0431 [hep-ph]) with a critique of our explanation of the experimentally observed periodic…

nucl-th2008★ 24 cited

On the Time-Modulation of the beta^+$-Decay Rate of H-like 140Pr58+ Ion

A. N. Ivanov, E. L. Kryshen, M. Pitschmann +1

According to recent experimental data at GSI, the rates of the number of daughter ions, produced by the nuclear K-shell electron capture (EC) decays of the H-like ions 140Pr58+ and…

nucl-th2008★ 3 cited

Neutrino masses from the GSI anomaly

A. N. Ivanov, E. L. Kryshen, M. Pitschmann +1

We investigate the influence of the strong Coulomb field of a heavy nucleus on massive neutrinos, produced in the K-shell electron capture (EC) decays of the H-like 140Pr58+ and 14…

nucl-th2008★ 1 cited

Reply on ``Comment on neutrino-mixing interpretation of the GSI time anomaly''by C. Giunti, arXiv:0801.4639 [nucl-th]

A. N. Ivanov, R. Reda, P. Kienle

Here we reply critically to the comments by Giunti (arXiv:0801.4639 [nucl-th]) and justify our explanation of the experimentally observed periodic interference term in the rate of…

nucl-th2008★ 15 cited

On the time-modulation of the K-shell electron capture decay of H-like 140Pr58+ ions produced by neutrino-flavour mixing

A. N. Ivanov, R. Reda, P. Kienle

According to recent experimental data at GSI, the rate of the number of daughter ions 140Ce58+, produced by the nuclear K-shell electron capture (EC) decay of the H-like ion 140Pr5…

nucl-th2007★ 41 cited

Weak decays of H-like 140Pr58+ and He-like 140Pr57+ ions

A. N. Ivanov, M. Faber, R. Reda +1

The nuclear K-shell electron-capture (EC)and positron (beta+) decay constants, lambda_(EC) and lambda_(beta^+) of H-like 140Pr58+ and He-like 140Pr57+ ions, measured recently in th…

nucl-th2006

Phenomenological model of the Kaonic Nuclear Cluster K^-pnn in the ground state

A. N. Ivanov, P. Kienle, J. Marton +1

A phenomenological model, proposed for the Kaonic Nuclear Cluster (KNC) K^-pp, is applied to the theoretical analysis of the KNC K^-pnn (or S^0). The theoretical values of the bind…

nucl-th2005★ 1 cited

On the estimate of the sigma^(I = 1)_(KN)(0)-term value from the energy level shift of kaonic hydrogen in the ground state

A. N. Ivanov, M. Faber, V. A. Ivanova +2

Using the experimental data on the energy level shift of kaonic hydrogen in the ground state (the DEAR Collaboration, Phys. Rev. Lett. 94, 212302 (2005)) and the theoretical value…

nucl-th2005★ 4 cited

Phenomenological model of the Kaonic Nuclear Cluster K^-pp in the ground state

A. N. Ivanov, P. Kienle, J. Marton +1

A phenomenological model is proposed for the analysis of the properties of the Kaonic Nuclear Cluster (KNC) Kpp in its ground state. Inside the KNC K^-pp we describe the relative m…

nucl-th2005

On strangeness production in the reactions pp -> p Lambda^0 K^+ and pn -> n Lambda^0 K^+ near threshold

A. N. Ivanov, Ya. A. Berdnikov, M. Faber +3

The cross sections for the reactions pp -> p Lambda^0K^+ and pn -> n Lambda^0K^+ are calculated near threshold of the final states. The theoretical ratio of the cross sections R =…

nucl-th2005★ 2 cited

Recent Theoretical Studies on Hadronic Atoms

A. N. Ivanov, M. Cargnelli, M. Faber +5

A report contains a review of recent theoretical investigations on kaonic atoms carried out at Stefan Meyer Institute of the Austrian Academy of Sciences. We discuss (1) a phenomen…

nucl-th2005★ 5 cited

On isospin-breaking corrections to the energy level displacement of the ground state of kaonic hydrogen

A. N. Ivanov, M. Cargnelli, M. Faber +5

In the model of low-energy bar-K N interactions near threshold (EPJA 21, 11 (2004); 25, 79 (2005)) we calculate isospin-breaking corrections to the energy level displacement of the…

nucl-th2004★ 7 cited

On radiative np -> 1s + gamma transitions, induced by strong low-energy interactions,in kaonic atoms

A. N. Ivanov, M. Cargnelli, M. Faber +5

We calculate the rates of the radiative transitions np -> 1s + gamma in kaonic hydrogen and kaonic deuterium, induced by strong low-energy interactions and enhanced by Coulomb inte…

nucl-th2004★ 10 cited

Energy level displacement of excited np states of kaonic hydrogen

A. N. Ivanov, M. Cargnelli, M. Faber +5

We compute the energy level displacement of the excited np states of kaonic hydrogen within the quantum field theoretic and relativistic covariant model of strong low-energy bar-KN…

nucl-th2004★ 23 cited

On kaonic deuterium. Quantum field theoretic and relativistic covariant approach

A. N. Ivanov, M. Cargnelli, M. Faber +5

We study kaonic deuterium, the bound K^-d state A_(K d). Within a quantum field theoretic and relativistic covariant approach we derive the energy level displacement of the ground…