Proton capture reaction cross section measurements on Er162 as a probe of statistical model calculations

Ozkan, N.; Guray, R. T.; Yalcin, C.; Tan, W. P.; Aprahamian, A.; Beard, M.; deBoer, R. J.; Almaraz-Calderon, S.; Falahat, S.; Gorres, J.; Li, Q.; Sauerwein, A.; Sonnabend, K.; Wiescher, M.; Fulop, Zs.; Gyurky, Gy.; Somorjai, E.; Greene, J.

doi:10.1103/PhysRevC.96.045805

Title: Proton capture reaction cross section measurements on ${}^{162}{Er}$ as a probe of statistical model calculations

Abstract

It is crucial to measure reaction cross sections relevant to the astrophysical γ process so that theoretical reaction rates can be tested and validated with experimental data. Here, the total cross sections for the ¹⁶²Er(p,γ) ¹⁶³Tm and the ¹⁶²Er(p,n) ¹⁶²Tm reactions have been measured by the activation method in center-of-mass energies from 3.973 to 8.944 MeV and from 5.962 to 8.944 MeV, respectively. The nucleus ¹⁶²Er is the heaviest p nuclide to be measured by the activation method using γ -ray spectroscopy, so far. It is important to note that the energy range for the (p,γ) reaction measurement covers a large fraction of the astrophysically relevant energy region between 2.71 and 5.34 MeV. The targets were prepared by evaporating 28.2 % isotopically enriched ¹⁶²Er₂ O₃ powder onto carbon backing foils, and bombarded with proton beams provided by the FN Tandem Accelerator at the University of Notre Dame. The reaction yields have been determined by the observed activity of produced radioactive isotopes, which was detected offline by a high-purity germanium detector. The results are presented and compared with calculations from two statistical model codes: NON-SMOKER and TALYS.

Authors:

Ozkan, N. ^[1]; Guray, R. T. ^[1]; Yalcin, C. ^[2]; Tan, W. P. ^[3]; Aprahamian, A. ^[3]; Beard, M. ^[3]; deBoer, R. J. ^[3]; Almaraz-Calderon, S. ^[3]; Falahat, S. ^[3]; Gorres, J. ^[3]; Li, Q. ^[3]; Sauerwein, A. ^[4]; Sonnabend, K. ^[3]; Wiescher, M. ^[3]; Fulop, Zs. ^[5]; Gyurky, Gy. ^[5]; Somorjai, E. ^[5]; Greene, J. ^[6]

Kocaeli Univ. (Turkey). Dept. of Physics; Univ. of Notre Dame, IN (United States). Dept. of Physics
Kocaeli Univ. (Turkey). Dept. of Physics
Univ. of Notre Dame, IN (United States). Dept. of Physics
Univ. of Notre Dame, IN (United States). Dept. of Physics; Goethe Univ., Frankfurt (Germany). Inst. of Applied Physics
MTA Atomki, Debrecen (Hungary)
Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: Tue Oct 10 00:00:00 EDT 2017

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: Scientific and Technological Research Council of Turkey (TUBITAK); National Science Foundation (NSF); Michigan State Univ., East Lansing, MI (United States). Joint Inst. for Nuclear Astrophysics-Center for the Evolution of the Elements (JINA-CEE); German Research Foundation (DFG); Hungarian Scientific Research Fund (OTKA); Helmholtz International Center for FAIR (HIC for FAIR), Frankfurt (Germany)

OSTI Identifier:: 1462746

Grant/Contract Number:: AC02-06CH11357; 108T508; 109T585; 2007/36; 0434844; PHY02-16783; K108459; K120666; SO907/2-1

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 96; Journal Issue: 4; Journal ID: ISSN 2469-9985

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; nuclear astrophysics; nucleon induced nuclear reactions; nucleosynthesis in explosive environments; radiative capture; 150 ≤ A ≤ 189

Citation Formats


                    Ozkan, N., Guray, R. T., Yalcin, C., Tan, W. P., Aprahamian, A., Beard, M., deBoer, R. J., Almaraz-Calderon, S., Falahat, S., Gorres, J., Li, Q., Sauerwein, A., Sonnabend, K., Wiescher, M., Fulop, Zs., Gyurky, Gy., Somorjai, E., and Greene, J. Proton capture reaction cross section measurements on Er162 as a probe of statistical model calculations.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevC.96.045805.

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                    Ozkan, N., Guray, R. T., Yalcin, C., Tan, W. P., Aprahamian, A., Beard, M., deBoer, R. J., Almaraz-Calderon, S., Falahat, S., Gorres, J., Li, Q., Sauerwein, A., Sonnabend, K., Wiescher, M., Fulop, Zs., Gyurky, Gy., Somorjai, E., & Greene, J. Proton capture reaction cross section measurements on Er162 as a probe of statistical model calculations.  United States.  https://doi.org/10.1103/PhysRevC.96.045805

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                    Ozkan, N., Guray, R. T., Yalcin, C., Tan, W. P., Aprahamian, A., Beard, M., deBoer, R. J., Almaraz-Calderon, S., Falahat, S., Gorres, J., Li, Q., Sauerwein, A., Sonnabend, K., Wiescher, M., Fulop, Zs., Gyurky, Gy., Somorjai, E., and Greene, J. Tue .  
"Proton capture reaction cross section measurements on Er162 as a probe of statistical model calculations".  United States.  https://doi.org/10.1103/PhysRevC.96.045805.  https://www.osti.gov/servlets/purl/1462746.

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@article{osti_1462746,

  title        = {Proton capture reaction cross section measurements on Er162 as a probe of statistical model calculations},

  author       = {Ozkan, N. and Guray, R. T. and Yalcin, C. and Tan, W. P. and Aprahamian, A. and Beard, M. and deBoer, R. J. and Almaraz-Calderon, S. and Falahat, S. and Gorres, J. and Li, Q. and Sauerwein, A. and Sonnabend, K. and Wiescher, M. and Fulop, Zs. and Gyurky, Gy. and Somorjai, E. and Greene, J.},

  abstractNote = {It is crucial to measure reaction cross sections relevant to the astrophysical γ process so that theoretical reaction rates can be tested and validated with experimental data. Here, the total cross sections for the 162Er(p,γ) 163Tm and the 162Er(p,n) 162Tm reactions have been measured by the activation method in center-of-mass energies from 3.973 to 8.944 MeV and from 5.962 to 8.944 MeV, respectively. The nucleus 162Er is the heaviest p nuclide to be measured by the activation method using γ -ray spectroscopy, so far. It is important to note that the energy range for the (p,γ) reaction measurement covers a large fraction of the astrophysically relevant energy region between 2.71 and 5.34 MeV. The targets were prepared by evaporating 28.2 % isotopically enriched 162Er2 O3 powder onto carbon backing foils, and bombarded with proton beams provided by the FN Tandem Accelerator at the University of Notre Dame. The reaction yields have been determined by the observed activity of produced radioactive isotopes, which was detected offline by a high-purity germanium detector. The results are presented and compared with calculations from two statistical model codes: NON-SMOKER and TALYS.},

  doi          = {10.1103/PhysRevC.96.045805},

  journal      = {Physical Review C},

  number       = 4,

  volume       = 96,

  place        = {United States},

  year         = {Tue Oct 10 00:00:00 EDT 2017},

  month        = {Tue Oct 10 00:00:00 EDT 2017}

}

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Measurement of the (<mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:mi mathvariant="normal">p</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi></mml:math>) cross sections of 46Ti, 64Zn, 114Sn, and 116Sn at astrophysically relevant energies
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Works referencing / citing this record:

The activation method for cross section measurements in nuclear astrophysics
journal, March 2019

Gyürky, Gy.; Fülöp, Zs.; Käppeler, F.
The European Physical Journal A, Vol. 55, Issue 3
DOI: 10.1140/epja/i2019-12708-4

The activation method for cross section measurements in nuclear astrophysics
text, January 2019

Gyürky, Gy.; Fülöp, Zs.; Käppeler, F.
arXiv
DOI: 10.48550/arxiv.1903.03339

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Branchings in the γ process path revisited journal, January 2006

Local and global nucleon optical models from 1 keV to 200 MeV journal, January 2003

Neutrino-Induced Nucleosynthesis of A > 64 Nuclei: The ν p Process journal, April 2006

Nucleosynthesis in Massive Stars with Improved Nuclear and Stellar Physics journal, September 2002

Individual particle and collective aspects of the nuclear photoeffect journal, August 1957

Proton capture cross section of Sr isotopes and their importance for nucleosynthesis of proton-rich nuclides journal, November 2001

Proton capture cross-section of 106,108 Cd for the astrophysical p-process journal, March 2007

Astrophysical S factor for α-capture on Sn 112 in the p -process energy range journal, February 2007

Proton − 90 Zr interaction at sub-Coulomb proton energies journal, April 1987

Low-energy optical model potential in finite nuclei from Reid's hard core interaction journal, March 1980

Measurements of Gd 152 ( p , γ ) Tb 153 and Gd 152 ( p , n ) Tb 152 reaction cross sections for the astrophysical γ process journal, May 2015

Cross section measurements of the 93 Nb ( p , γ ) 94 Mo reaction at E p = 1.4 – 4.9 MeV relevant to the nucleosynthetic p process journal, October 2001

A Composite Nuclear-Level Density Formula with Shell Corrections journal, August 1965

Proton radiative capture cross sections on 102Pd at energies of astrophysical interest journal, May 2001

Measurements of proton radiative capture cross sections relevant to the astrophysical rp- and γ-processes journal, June 1999

Nuclear level density and the determination of thermonuclear rates for astrophysics journal, September 1997

Ge 70 ( p , γ ) As 71 and Ge 76 ( p , n ) As 76 cross sections for the astrophysical p process: Sensitivity of the optical proton potential at low energies journal, November 2007

Coulomb Suppression of the Stellar Enhancement Factor journal, November 2008

Proton induced reaction cross section measurements on Se isotopes for the astrophysical p process journal, November 2003

Nuclear Physics of Stars book, January 2007

Cross section measurements of the Y 89 ( p , γ ) Zr 90 reaction at energies relevant to p -process nucleosynthesis journal, July 2004

( p , γ ) rates of 92 Mo, 94 Mo, 95 Mo, 98 Mo: Towards an experimentally founded database for p -process studies journal, June 1997

Cross-section measurement of the Ba 130 ( p , γ ) La 131 reaction for γ -process nucleosynthesis journal, September 2014

The s process: Nuclear physics, stellar models, and observations journal, April 2011

The r-process of stellar nucleosynthesis: Astrophysics and nuclear physics achievements and mysteries journal, September 2007

Optical-model potential in finite nuclei from Reid's hard core interaction journal, July 1977

Relevant energy ranges for astrophysical reaction rates journal, April 2010

The p-process of stellar nucleosynthesis: astrophysics and nuclear physics status journal, September 2003

Tables of thermonuclear-reaction-rate data for neutron-induced reactions on heavy nuclei journal, October 1976

The activation method for cross section measurements in nuclear astrophysics journal, March 2019

The activation method for cross section measurements in nuclear astrophysics text, January 2019

Title: Proton capture reaction cross section measurements on ${}^{162}{Er}$ as a probe of statistical model calculations

Cross section measurements of ( $p, γ$ ) reactions on Pd isotopes relevant to the $p$ process
journal, June 2008

Electric Dipole Ground-State Transition Width Strength Function and 7-Mev Photon Interactions
journal, April 1962

Tables of Nuclear Cross Sections and Reaction Rates: an Addendum to the Paper “Astrophysical Reaction Rates from Statistical Model Calculations”
journal, September 2001

Odd $p$ isotope ${}^{113}{In}$ : Measurement of $α$ -induced reactions
journal, June 2009

Test of nuclear level density inputs for Hauser-Feshbach model calculations
journal, October 2007

Astrophysical Reaction Rates From Statistical Model Calculations
journal, May 2000

The nu-process
journal, June 1990

The $^{88} Sr (p, γ)^{89} Y$ reaction at astrophysically relevant energies
journal, January 2003

The p-process in supernovae
journal, February 1978

Cross sections for proton-induced reactions on Pd isotopes at energies relevant for the $γ$ process
journal, July 2011

End Point of the $rp$ Process on Accreting Neutron Stars
journal, April 2001

Constraining the astrophysical origin of the p-nuclei through nuclear physics and meteoritic data
journal, May 2013

Cross section measurements of the 102Pd(p,γ)103Ag, 116Sn(p,γ)117Sb, and 112Sn(α,γ)116Te reactions relevant to the astrophysical rp- and γ-processes
journal, November 2002

Suppression of the stellar enhancement factor and the reaction ${}^{85}{Rb} (p, n) {}^{85}{Sr}$
journal, September 2009

Branchings in the γ process path revisited
journal, January 2006

Local and global nucleon optical models from 1 keV to 200 MeV
journal, January 2003

Neutrino-Induced Nucleosynthesis of $A > 64$ Nuclei: The $ν p$ Process
journal, April 2006

Nucleosynthesis in Massive Stars with Improved Nuclear and Stellar Physics
journal, September 2002

Individual particle and collective aspects of the nuclear photoeffect
journal, August 1957

Proton capture cross section of Sr isotopes and their importance for nucleosynthesis of proton-rich nuclides
journal, November 2001

Proton capture cross-section of ^106,108 Cd for the astrophysical p-process
journal, March 2007

Astrophysical $S$ factor for α-capture on ${}^{112}{Sn}$ in the $p$ -process energy range
journal, February 2007

Proton $-^{90}$ Zr interaction at sub-Coulomb proton energies
journal, April 1987

Low-energy optical model potential in finite nuclei from Reid's hard core interaction
journal, March 1980

Measurements of ${}^{152}{Gd} (p, γ) {}^{153}{Tb}$ and ${}^{152}{Gd} (p, n) {}^{152}{Tb}$ reaction cross sections for the astrophysical $γ$ process
journal, May 2015

Cross section measurements of the $^{93} Nb (p, γ)^{94} Mo$ reaction at $E_{p} = 1.4 - 4.9 MeV$ relevant to the nucleosynthetic $p$ process
journal, October 2001

A Composite Nuclear-Level Density Formula with Shell Corrections
journal, August 1965

Proton radiative capture cross sections on 102Pd at energies of astrophysical interest
journal, May 2001

Measurements of proton radiative capture cross sections relevant to the astrophysical rp- and γ-processes
journal, June 1999

Nuclear level density and the determination of thermonuclear rates for astrophysics
journal, September 1997

${}^{70}{Ge}$ ( $p, γ$ ) ${}^{71}{As}$ and ${}^{76}{Ge}$ ( $p, n$ ) ${}^{76}{As}$ cross sections for the astrophysical $p$ process: Sensitivity of the optical proton potential at low energies
journal, November 2007

Coulomb Suppression of the Stellar Enhancement Factor
journal, November 2008

Proton induced reaction cross section measurements on Se isotopes for the astrophysical $p$ process
journal, November 2003

Nuclear Physics of Stars
book, January 2007

Cross section measurements of the ${}^{89}Y (p, γ) {}^{90}{Zr}$ reaction at energies relevant to $p$ -process nucleosynthesis
journal, July 2004

( p , $γ)$ rates of $^{92}$ Mo, $^{94}$ Mo, $^{95}$ Mo, $^{98}$ Mo: Towards an experimentally founded database for $p$ -process studies
journal, June 1997

Cross-section measurement of the ${}^{130}{Ba} (p, γ) {}^{131}{La}$ reaction for $γ$ -process nucleosynthesis
journal, September 2014

The $s$ process: Nuclear physics, stellar models, and observations
journal, April 2011

The r-process of stellar nucleosynthesis: Astrophysics and nuclear physics achievements and mysteries
journal, September 2007

Optical-model potential in finite nuclei from Reid's hard core interaction
journal, July 1977

Relevant energy ranges for astrophysical reaction rates
journal, April 2010

The p-process of stellar nucleosynthesis: astrophysics and nuclear physics status
journal, September 2003

Tables of thermonuclear-reaction-rate data for neutron-induced reactions on heavy nuclei
journal, October 1976

The activation method for cross section measurements in nuclear astrophysics
journal, March 2019

The activation method for cross section measurements in nuclear astrophysics
text, January 2019