Works (47)

2020 journal article

Study of the Mg-25(d,p)Mg-26 reaction to constrain the Al-25(p,gamma)Si-26 resonant reaction rates in nova burning conditions

EUROPEAN PHYSICAL JOURNAL A, 56(2).

By: C. Hamill, P. Woods, D. Kahl, R. Longland, J. Greene, C. Marshall, F. Portillo, K. Setoodehnia

Sources: Web Of Science, ORCID
Added: April 6, 2020

2019 journal article

Experimental study of Cl35 excited states via S32(α,p)

Physical Review C, 99(5).

By: K. Setoodehnia, J. Kelley, C. Marshall, F. Chaves & R. Longland

Source: ORCID
Added: August 12, 2019

2019 journal article

The Focal-Plane Detector Package on the TUNL Split-Pole Spectrograph

IEEE Transactions on Instrumentation and Measurement, 68(2), 533–546.

By: C. Marshall, K. Setoodehnia, K. Kowal, F. Portillo, A. Champagne, S. Hale, A. Dummer, R. Longland

Sources: NC State University Libraries, ORCID
Added: January 14, 2019

2018 journal article

Effectiveness of using a magnetic spectrograph with the Trojan Horse method

Journal of Physics: Conference Series, 940, 012046.

By: S. Manwell, A. Parikh, A. Chen, N. Séréville, P. Adsley, D. Irvine, F. Hammache, I. Stefan ...

Source: ORCID
Added: August 12, 2019

2018 journal article

Excited states of Ca39 and their significance in nova nucleosynthesis

Physical Review C, 98(5).

By: K. Setoodehnia, C. Marshall, J. Kelley, J. Liang, F. Chaves & R. Longland

Sources: NC State University Libraries, ORCID
Added: December 10, 2018

2018 journal article

On the parallelization of stellar evolution codes

Computational Astrophysics and Cosmology, 5(1).

By: D. Martin, J. José & R. Longland

Source: ORCID
Added: August 12, 2019

2018 journal article

Reaction rates for the K39(p,γ)Ca40 reaction

Physical Review C, 98(2).

By: R. Longland, J. Dermigny & C. Marshall

Sources: NC State University Libraries, ORCID
Added: October 19, 2018

2017 journal article

Correlated uncertainties in Monte Carlo reaction rate calculations

Astronomy & Astrophysics, 604, A34.

By: R. Longland

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Characterization of a 10B-doped liquid scintillator as a capture-gated neutron spectrometer

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 811, 108–114.

By: S. Hunt, C. Iliadis & R. Longland

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Measurement of very low (α,n) cross sections of astrophysical interest

Journal of Physics: Conference Series, 665, 012031.

By: J. Tain, D. Jordán, J. Agramunt, A. Algora, I. Bandac, A. Bettini, R. Caballero-Folch, F. Calviño ...

Source: ORCID
Added: August 12, 2019

2016 journal article

The20Ne(d,p)21Ne transfer reaction in relation to thes-process abundances

Journal of Physics: Conference Series, 665, 012026.

By: C. Nsangu, A. Laird, A. Parikh, P. Adsley, M. Birch, A. Chen, T. Faestermann, S. Fox ...

Source: ORCID
Added: August 12, 2019

2015 journal article

High-intensity-beam study ofO17(p,γ)F18and thermonuclear reaction rates forO17+p

Physical Review C, 91(1).

By: M. Buckner, C. Iliadis, K. Kelly, L. Downen, A. Champagne, J. Cesaratto, C. Howard, R. Longland

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

New reaction rates for improved primordialD/Hcalculation and the cosmic evolution of deuterium

Physical Review D, 92(12).

By: A. Coc, P. Petitjean, J. Uzan, E. Vangioni, P. Descouvemont, C. Iliadis, R. Longland

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

New recommendedωγfor theErc.m.=458keV resonance inNe22(p,γ)Na23

Physical Review C, 92(3).

By: K. Kelly, A. Champagne, R. Longland & M. Buckner

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Statistical methods for thermonuclear reaction rates and nucleosynthesis simulations

Journal of Physics G: Nuclear and Particle Physics, 42(3), 034007.

By: C. Iliadis, R. Longland, A. Coc, F. Timmes & A. Champagne

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Nuclear astrophysics in the laboratory and in the universe

AIP Advances, 4(4), 041006.

By: A. Champagne, C. Iliadis & R. Longland

Source: ORCID
Added: August 12, 2019

2014 journal article

Performance improvements for nuclear reaction network integration

Astronomy & Astrophysics, 563, A67.

By: R. Longland, D. Martin & J. José

Source: ORCID
Added: August 12, 2019

2014 journal article

Thermonuclear reaction rate ofNe18(α,p)Na21from Monte Carlo calculations

Physical Review C, 90(6).

By: P. Mohr, R. Longland & C. Iliadis

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2013 journal article

Evidence for the existence of the astrophysically important 6.40-MeV state of31S

Physical Review C, 88(5).

By: D. Irvine, A. Chen, A. Parikh, K. Setoodehnia, T. Faestermann, R. Hertenberger, H. Wirth, V. Bildstein ...

Source: ORCID
Added: August 12, 2019

2013 journal article

Isγ-Ray Emission from Novae Affected by Interference Effects in theF18(p,α)O15Reaction?

Physical Review Letters, 110(3).

By: A. Laird, A. Parikh, A. Murphy, K. Wimmer, A. Chen, C. Deibel, T. Faestermann, S. Fox ...

Source: ORCID
Added: August 12, 2019

2013 journal article

Mean proton andα-particle reduced widths of the Porter-Thomas distribution and astrophysical applications

Physical Review C, 88(1).

By: I. Pogrebnyak, C. Howard, C. Iliadis, R. Longland & G. Mitchell

Source: ORCID
Added: August 12, 2019

2013 journal article

Measurement of theErc.m.=138keV resonance in the23Na(p,γ)24Mg reaction and the abundance of sodium in AGB stars

Physical Review C, 88(6).

By: J. Cesaratto, A. Champagne, M. Buckner, T. Clegg, S. Daigle, C. Howard, C. Iliadis, R. Longland, J. Newton, B. Oginni

Source: ORCID
Added: August 12, 2019

2013 journal article

Nuclear structure of30S and its implications for nucleosynthesis in classical novae

Physical Review C, 87(6).

By: K. Setoodehnia, A. Chen, D. Kahl, T. Komatsubara, J. José, R. Longland, Y. Abe, D. Binh ...

Source: ORCID
Added: August 12, 2019

2012 journal article

CONSTRAINTS ON THE MASS AND RADIUS OF THE ACCRETING NEUTRON STAR IN THE RAPID BURSTER

The Astrophysical Journal, 752(2), 158.

By: G. Sala, F. Haberl, J. José, A. Parikh, R. Longland, L. Pardo, M. Andersen

Sources: Crossref, ORCID
Added: February 5, 2020

2012 journal article

Current Status of the22Ne+αs-Process Neutron Source

Journal of Physics: Conference Series, 337, 012047.

By: R. Longland & C. Iliadis

Source: ORCID
Added: August 12, 2019

2012 journal article

Lithium production in the merging of white dwarf stars

Astronomy & Astrophysics, 542, A117.

By: R. Longland, P. Lorén-Aguilar, J. José, E. García-Berro & L. Althaus

Source: ORCID
Added: August 12, 2019

2012 journal article

Publisher's Note: Reaction rates for thes-process neutron source22Ne +α[Phys. Rev. C85, 065809 (2012)]

Physical Review C, 86(1).

By: R. Longland, C. Iliadis & A. Karakas

Source: ORCID
Added: August 12, 2019

2012 journal article

Reaction rates for thes-process neutron source22Ne+α

Physical Review C, 85(6).

By: R. Longland, C. Iliadis & A. Karakas

Source: ORCID
Added: August 12, 2019

2012 journal article

Recommendations for Monte Carlo nucleosynthesis sampling

Astronomy & Astrophysics, 548, A30.

By: R. Longland

Source: ORCID
Added: August 12, 2019

2011 journal article

Improving theP30(p,γ)S31rate in oxygen-neon novae: Constraints onJπvalues for proton-threshold states inS31

Physical Review C, 83(4).

By: A. Parikh, K. Wimmer, T. Faestermann, R. Hertenberger, J. José, R. Longland, H. Wirth, V. Bildstein ...

Source: ORCID
Added: August 12, 2019

2011 journal article

NUCLEOSYNTHESIS DURING THE MERGER OF WHITE DWARFS AND THE ORIGIN OF R CORONAE BOREALIS STARS

The Astrophysical Journal, 737(2), L34.

By: R. Longland, P. Lorén-Aguilar, J. José, E. García-Berro, L. Althaus & J. Isern

Source: ORCID
Added: August 12, 2019

2010 journal article

Charged-particle thermonuclear reaction rates: I. Monte Carlo method and statistical distributions

Nuclear Physics A, 841(1-4), 1–30.

By: R. Longland, C. Iliadis, A. Champagne, J. Newton, C. Ugalde, A. Coc, R. Fitzgerald

Source: ORCID
Added: August 12, 2019

2010 journal article

Charged-particle thermonuclear reaction rates: II. Tables and graphs of reaction rates and probability density functions

Nuclear Physics A, 841(1-4), 31–250.

By: C. Iliadis, R. Longland, A. Champagne, A. Coc & R. Fitzgerald

Source: ORCID
Added: August 12, 2019

2010 journal article

Charged-particle thermonuclear reaction rates: III. Nuclear physics input

Nuclear Physics A, 841(1-4), 251–322.

By: C. Iliadis, R. Longland, A. Champagne & A. Coc

Source: ORCID
Added: August 12, 2019

2010 journal article

Charged-particle thermonuclear reaction rates: IV. Comparison to previous work

Nuclear Physics A, 841(1-4), 323–388.

By: C. Iliadis, R. Longland, A. Champagne & A. Coc

Source: ORCID
Added: August 12, 2019

2010 journal article

Measurement ofO17(p,γ)F18between the narrow resonances atErlab=193and519 keV

Physical Review C, 81(4).

By: J. Newton, C. Iliadis, A. Champagne, J. Cesaratto, S. Daigle & R. Longland

Source: ORCID
Added: August 12, 2019

2010 conference paper

Monte-Carlo Reaction Rate Evaluation for Astrophysics

Presented at the TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS—VII.

By: A. Coc, C. Iliadis, R. Longland, A. Champagne, R. Fitzgerald, H. Susa, M. Arnould, S. Gales ...

Event: TOURS SYMPOSIUM ON NUCLEAR PHYSICS AND ASTROPHYSICS—VII

Sources: Crossref, ORCID
Added: February 5, 2020

2010 journal article

Photoexcitation of astrophysically important states inMg26. II. Ground-state-transition partial widths

Physical Review C, 82(2).

By: R. deBoer, M. Wiescher, J. Görres, R. Longland, C. Iliadis, G. Rusev, A. Tonchev

Source: ORCID
Added: August 12, 2019

2010 journal article

Ratio of germanium detector peak efficiencies at photon energies of 4.4 and 11.7MeV: Experiment versus simulation

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 618(1-3), 190–198.

By: S. Carson, C. Iliadis, J. Cesaratto, A. Champagne, L. Downen, M. Ivanovic, J. Kelley, R. Longland ...

Source: ORCID
Added: August 12, 2019

2010 journal article

Resonance strength inNe22(p,γ)Na23from depth profiling in aluminum

Physical Review C, 81(5).

By: R. Longland, C. Iliadis, J. Cesaratto, A. Champagne, S. Daigle, J. Newton, R. Fitzgerald

Source: ORCID
Added: August 12, 2019

2009 journal article

Photoexcitation of astrophysically important states inMg26

Physical Review C, 80(5).

By: R. Longland, C. Iliadis, G. Rusev, A. Tonchev, R. deBoer, J. Görres, M. Wiescher

Source: ORCID
Added: August 12, 2019

2009 journal article

Thermal equilibration ofLu176viaKmixing

Physical Review C, 80(1).

By: V. Gintautas, A. Champagne, F. Kondev & R. Longland

Source: ORCID
Added: August 12, 2019

2008 journal article

Matching of experimental and statistical-model thermonuclear reaction rates at high temperatures

Physical Review C, 78(2).

By: J. Newton, R. Longland & C. Iliadis

Source: ORCID
Added: August 12, 2019

2007 journal article

Experimental evidence for a natural parity state inMg26and its impact on the production of neutrons for thesprocess

Physical Review C, 76(2).

By: C. Ugalde, A. Champagne, S. Daigle, C. Iliadis, R. Longland, J. Newton, E. Osenbaugh-Stewart, J. Clark ...

Source: ORCID
Added: August 12, 2019

2007 journal article

Remeasurement of the 193 keV resonance inO17(p,α)N14

Physical Review C, 75(5).

By: J. Newton, C. Iliadis, A. Champagne, R. Longland & C. Ugalde

Source: ORCID
Added: August 12, 2019

2006 journal article

Nuclear astrophysics studies at the LENA facility: The -ray detection system

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 566(2), 452–464.

By: R. Longland, C. Iliadis, A. Champagne, C. Fox & J. Newton

Source: ORCID
Added: August 12, 2019

2005 journal article

Thermonuclear reaction rate ofO17(p,γ)F18

Physical Review C, 71(5).

By: C. Fox, C. Iliadis, A. Champagne, R. Fitzgerald, R. Longland, J. Newton, J. Pollanen, R. Runkle

Source: ORCID
Added: August 12, 2019

Employment

2014 - present

North Carolina State University Raleigh, NC, US
Assistant Professor Physics

2014 - 2014

North Carolina State University Raleigh, NC, US
Postdoctoral Researcher Physics

2013 - 2014

University of North Carolina at Chapel Hill Chapel Hill, NC, US
Postdoctoral Researcher Physics

2010 - 2013

Universitat Politècnica de Catalunya Barcelona, Catalunya, ES
Postdoctoral Researcher Physics

Education

2004 - 2010

University of North Carolina at Chapel Hill Chapel Hill, NC, US
Ph. D. Physics and Astronomy

2004 - 2006

University of North Carolina at Chapel Hill Chapel Hill, NC, US
M.S. Physics

Funding History

Funding history based on the linked ORCID record.

grant September 1, 2017 - August 31, 2022
Measurements at the Facility for Experiments of Nuclear Reactions in Stars (FENRIS)
Office of Science