Search for the resonance environmental effect on the decay periods of long-lived nuclear isomers

Alpatov, V. G.; Bayukov, Yu.D.; Давыдов, А. В.; Isaev, Yu. N.; Kartashov, G. R.; Коротков, М. М.; Samoylov, V. M.

doi:10.1134/1.1644302

Cited by 4 publications

(8 citation statements)

References 6 publications

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“…In the previous reports, interesting anomalies with the characteristic emissions, including Kα, Kβ and γ, at room temperature from the long-lived nuclear state of 103m Rh excited by bremsstrahlung irradiation have been observed [1][2][3]. There are several methods to excite the long-lived nuclear states with different species of nuclei, as reported in the literature: by coulomb excitation [4], the (γ,γ') bremsstrahlung excitation [5][6][7][8], the (γ,γ') photo-activation [9], and the (n,γ) neutron excitation [10]. Although 107m Ag [5,6,7,9], 109m Ag [5,6,9], and 103m Rh [8,9,10] obtained by (γ,γ') and (n,γ) have been investigated, none of them addressed the issue of anomalous emissions as reported in our previous works [1][2][3] and the study presented in this paper.…”

Section: Introductionmentioning

confidence: 99%

“…There are several methods to excite the long-lived nuclear states with different species of nuclei, as reported in the literature: by coulomb excitation [4], the (γ,γ') bremsstrahlung excitation [5][6][7][8], the (γ,γ') photo-activation [9], and the (n,γ) neutron excitation [10]. Although 107m Ag [5,6,7,9], 109m Ag [5,6,9], and 103m Rh [8,9,10] obtained by (γ,γ') and (n,γ) have been investigated, none of them addressed the issue of anomalous emissions as reported in our previous works [1][2][3] and the study presented in this paper. For the inversion density of a two-level model of the 103 Rh isotope excited by the bremsstrahlung irradiation, linear and nonlinear regimes have been identified and reported [1].…”

Section: Introductionmentioning

confidence: 99%

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Cooling effect in emissions of^103mRh excited by bremsstrahlung

Yang¹,

Xia²,

Chen³

2009

Phys. Scr.

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Nonlinear characteristic emissions of Kα, Kβ and γ with a significant triplet splitting at room temperature are observed from the long-lived nuclear state of 103m Rh excited by bremsstrahlung irradiation. A pronounced phase-transition-like narrowing of the emission profiles occurs immediately after the sample is cooled down to 77 K. The room temperature profiles reappear again abruptly and almost reversibly as the temperature drifts freely back to approximately the ice point after the filling of liquid nitrogen is stopped. These emission properties at 300 K and at low temperature may indicate that the 103m Rh nuclei are in collective states.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Cooling effect in emissions of^103mRh excited by bremsstrahlung

Yang¹,

Xia²,

Chen³

2009

Phys. Scr.

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“…Is there any other effective method to achieve isomeric excitation? Coulomb excitation [7], (γ,γ') of the bremsstrahlung excitation [8][9][10][11], (γ,γ') of the photo-activation [12], and (n,γ) of the neutron excitation [13] are possible methods.…”

Section: Excitation By Bremsstrahlungmentioning

confidence: 99%

Generation of long-lived isomeric states via bremsstrahlung irradiation

et al. 2006

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A method to generate long-lived isomeric states effectively for Mössbauer applications is reported. We demonstrate that this method is better and easier to provide highly sensitive Mössbauer effect of long-lived isomers (>1ms) such as 103 Rh. Excitation of (γ,γ) process by synchrotron radiation is painful due mainly to their limited linewidth.Instead, (γ,γ') process of bremsstrahlung excitation is applied to create these long-lived Rh have been generated from this method.Among them, 103 Rh is the only one that we have obtained the gravitational effect at room temperature.

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“…achieve isomeric excitation? Coulomb excitation [7], (γ,γ') of the bremsstrahlung excitation [8][9][10][11], (γ,γ') of the photo-activation [12], and (n,γ) of the neutron excitation [13] are possible methods.…”

mentioning

confidence: 99%

“…Neutron excitation has the complication of generating radioactive isotope [13]. Two methods of (γ,γ') are considered to be more suitable for our application, since coulomb excitation generates more heat …”

mentioning

confidence: 99%