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NSR database version of May 30, 2024.

Search: Author = R.Coleman

Found 16 matches.

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2023RE09      Phys.Rev.Lett. 131, 052501 (2023)

B.M.Rebeiro, S.Triambak, P.E.Garrett, G.C.Ball, B.A.Brown, J.Menendez, B.Romeo, P.Adsley, B.G.Lenardo, R.Lindsay, V.Bildstein, C.Burbadge, R.Coleman, A.Diaz Varela, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, K.G.Leach, C.Natzke, J.C.Nzobadila Ondze, A.Radich, E.Rand, H.-F.Wirth

138Ba(d, α) Study of States in 136Cs: Implications for New Physics Searches with Xenon Detectors

NUCLEAR REACTIONS 138Ba(d, α), E=22 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, σ(θ), partial level scheme. Comparison with the shell-model results obtained with the GCN5082, SN100PN, and QX effective interactions. The Maier-Leibnitz Laboratorium in Garching, Germany.

doi: 10.1103/PhysRevLett.131.052501
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2023RO02      Phys.Rev.Lett. 130, 122502 (2023)

M.Rocchini, P.E.Garrett, M.Zielinska, S.M.Lenzi, D.D.Dao, F.Nowacki, V.Bildstein, A.D.MacLean, B.Olaizola, Z.T.Ahmed, C.Andreoiu, A.Babu, G.C.Ball, S.S.Bhattacharjee, H.Bidaman, C.Cheng, R.Coleman, I.Dillmann, A.B.Garnsworthy, S.Gillespie, C.J.Griffin, G.F.Grinyer, G.Hackman, M.Hanley, A.Illana, S.Jones, A.T.Laffoley, K.G.Leach, R.S.Lubna, J.McAfee, C.Natzke, S.Pannu, C.Paxman, C.Porzio, A.J.Radich, M.M.Rajabali, F.Sarazin, K.Schwarz, S.Shadrick, S.Sharma, J.Suh, C.E.Svensson, D.Yates, T.Zidar

First Evidence of Axial Shape Asymmetry and Configuration Coexistence in 74Zn: Suggestion for a Northern Extension of the N=40 Island of Inversion

RADIOACTIVITY 74Cu(β-) [from Ta(p, X)74Cu, E=490 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, energy levels, J, π, relative B(E2), ground state enhanced axial shape asymmetry (triaxiality). Comparison with available data, with shell-model calculations (SM) and shell-model calculations in a deformed Hartree-Fock basis (DNO-SM). The GRIFFIN γ-ray spectrometer, TRIUMF-ISAC1 facility.

doi: 10.1103/PhysRevLett.130.122502
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2023WI06      Phys.Rev. C 108, L051305 (2023)

J.Williams, G.Hackman, K.Starosta, R.S.Lubna, P.Choudhary, P.C.Srivastava, C.Andreoiu, D.Annen, H.Asch, M.D.H.K.G.Badanage, G.C.Ball, M.Beuschlein, H.Bidaman, V.Bildstein, R.Coleman, A.B.Garnsworthy, B.Greaves, G.Leckenby, V.Karayonchev, M.S.Martin, C.Natzke, C.M.Petrache, A.Radich, E.Raleigh-Smith, D.Rhodes, R.Russell, M.Satrazani, P.Spagnoletti, C.E.Svensson, D.Tam, F.Wu, D.Yates, Z.Yu

Identifying the spin-trapped character of the 32Si isomeric state

doi: 10.1103/PhysRevC.108.L051305
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2022SH26      Eur.Phys.J. A 58, 83 (2022)

S.Sharma, G.F.Grinyer, G.C.Ball, J.R.Leslie, C.E.Svensson, F.A.Ali, C.Andreoiu, N.Bernier, S.S.Bhattacharjee, V.Bildstein, C.Burbadge, R.Caballero-Folch, R.Coleman, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, E.Gyabeng Fuakye, G.M.Huber, B.Jigmeddorj, K.Kapoor, A.T.Laffoley, K.G.Leach, J.Long, A.D.MacLean, C.R.Natzke, B.Olaizola, A.J.Radich, N.Saei, J.T.Smallcombe, A.Talebitaher, K.Whitmore, T.Zidar

High-precision half-life determination of 14O via direct β counting

RADIOACTIVITY 14O(β+) [from Si(p, X), E=480 MeV]; measured decay products, Eβ, Iβ; deduced log ft, T1/2, the new world average based on several measurements. The Isotope Separator and Accelerator (ISAC) facility at TRIUMF.

doi: 10.1140/epja/s10050-022-00730-w
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2021GI14      Phys.Rev. C 104, 044313 (2021)

S.A.Gillespie, J.Henderson, K.Abrahams, F.A.Ali, L.Atar, G.C.Ball, N.Bernier, S.S.Bhattcharjee, R.Caballero-Folch, M.Bowry, A.Chester, R.Coleman, T.Drake, E.Dunling, A.B.Garnsworthy, B.Greaves, G.F.Grinyer, G.Hackman, E.Kasanda, R.LaFleur, S.Masango, D.Muecher, C.Ngwetsheni, S.S.Ntshangase, B.Olaizola, J.N.Orce, T.Rockman, Y.Saito, L.Sexton, P.Siuryte, J.Smallcombe, J.K.Smith, C.E.Svensson, E.Timakova, R.Wadsworth, J.Williams, M.S.C.Winokan, C.Y.Wu, T.Zidar

Coulomb excitation of 80, 82Kr and a change in structure approaching N=Z=40

NUCLEAR REACTIONS 196Pt, 208Pb(80Kr, 80Kr'), (82Kr, 82Kr'), E=4.17 MeV/nucleon from TRIUMF offline ion source (OLIS) and ISAC accelerator; measured Eγ, Iγ, (particle)γ-coin using TIGRESS array for γ rays, and double-sided silicon strip detectors for scattered beam- and target-like nuclei. 80,82Kr; deduced levels, J, π, Coulomb-excitation yields, and analyzed using GOSIA coupled-channels code, E2 and M1 matrix elements, B(E2) and B(M1), and spectroscopic quadrupole moments for the first 2+ and 4+ states; analyzed rotational invariants, and covariances and correlations on matrix elements. Comparison with previous experimental data for E2 matrix element and B(E2) values. Systematics of B(E2) and quadrupole moments of 74,76,78,80,82,84Kr, and those of cos(3δ) parameters for the first 2+ states in 66,68,70,72Zn, 70,72,74,76,78Ge, 72,74,76,78,80Se, 74,76,78,80,82Kr, 76,78,80,82,84Sr, and compared with expected values for an axially symmetric rotor.

doi: 10.1103/PhysRevC.104.044313
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2021RA22      Phys.Rev. C 104, L042801 (2021)

J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, S.S.Bhattacharjee, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, G.F.Grinyer, E.G.Fuakye, G.Hackman, J.Hollett, R.Jain, K.Kapoor, R.Krucken, A.Laffoley, A.Lennarz, J.Liang, Z.Meisel, B.Nikhil, A.Psaltis, A.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.Svensson, P.Subramaniam, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams, M.Williams

First direct measurement of 59Cu(p, α)56Ni: step towards constraining the Ni-Cu cycle in the cosmos

NUCLEAR REACTIONS 1H(59Cu, α)56Ni, E=8.5 MeV/nucleon, [secondary 59Cu beam from Nb(p, X), E=480 MeV at the TRIUMF cyclotron, followed by re-acceleration of 59Cu beam by ISAC-II superconducting LINAC, solid H2 target]; measured protons and α particles, angle-integrated σ using thick single-sided silicon strip detectors and a layer of thick CsI(Tl) detectors; deduced ratio of integrated σ to total σ, exclusive population of the ground state of 56Ni in (p, α). Comparison with Hauser-Feshbach based statistical model calculations; deduced overestimation of (p, α) cross section in this region. Discussed impact on νp process and x-ray bursts (XRBs). Relevance to Ni-Cu cycle in nucleosynthesis, with competing 59Cu(p, α)56Ni and 59Cu(p, γ)60Zn reactions.

doi: 10.1103/PhysRevC.104.L042801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2696.


2020GA27      Phys.Rev.Lett. 125, 172501 (2020)

F.H.Garcia, C.Andreoiu, G.C.Ball, A.Bell, A.B.Garnsworthy, F.Nowacki, C.M.Petrache, A.Poves, K.Whitmore, F.A.Ali, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.J.Coleman, I.Dillmann, I.Djianto, A.M.Forney, M.Gascoine, G.Hackman, K.G.Leach, A.N.Murphy, C.R.Natzke, B.Olaizola, K.Ortner, E.E.Peters, M.M.Rajabali, K.Raymond, C.E.Svensson, R.Umashankar, J.Williams, D.Yates

Absence of Low-Energy Shape Coexistence in 80Ge: The Nonobservation of a Proposed Excited 0+2 Level at 639 keV

RADIOACTIVITY 80Ga(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, partial level scheme, lack of evidence for low-energy shape coexistence. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.125.172501
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2015SE13      Nucl.Instrum.Methods Phys.Res. B361, 685 (2015)

S.Sekimoto, S.Okumura, H.Yashima, Y.Matsushi, H.Matsuzaki, H.Matsumura, A.Toyoda, K.Oishi, N.Matsuda, Y.Kasugai, Y.Sakamoto, H.Nakashima, D.Boehnlein, R.Coleman, G.Lauten, A.Leveling, N.Mokhov, E.Ramberg, A.Soha, K.Vaziri, K.Ninomiya, T.Omoto, T.Shima, N.Takahashi, A.Shinohara, M.W.Caffee, K.C.Welten, K.Nishiizumi, S.Shibata, T.Ohtsuki

Measurements of production cross sections of 10Be and 26Al by 120 GeV and 392 MeV proton bombardment of 89Y, 159Tb, and natCu targets

NUCLEAR REACTIONS 89Y, 159Tb, Cu(p, X)10Be, E=392 MeV; 89Y, Cu(p, X)10Be, E=120 GeV; Cu(p, X)26Al, E=392 MeV; 89Y, Cu(p, X)26Al, E=120 GeV; measured reaction products; deduced σ. Accelerator mass spectrometry, comparison with available data.

doi: 10.1016/j.nimb.2015.08.001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2192.


2014KA34      Nucl.Instrum.Methods Phys.Res. B337, 68 (2014)

T.Kajimoto, N.Shigyo, T.Sanami, Y.Iwamoto, M.Hagiwara, H.S.Lee, A.Soha, E.Ramberg, R.Coleman, D.Jensen, A.Leveling, N.V.Mokhov, D.Boehnlein, K.Vaziri, Y.Sakamoto, K.Ishibashi, H.Nakashima

Measurements and parameterization of neutron energy spectra from targets bombarded with 120 GeV protons

NUCLEAR REACTIONS C, Al, Cu, W(p, n), E=120 GeV; measured reaction products, En, In; deduced yields. Comparison with PHITS and FLUKA calculations.

doi: 10.1016/j.nimb.2014.07.019
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2003VA11      Phys.Rev. C 68, 034315 (2003)

J.R.Vanhoy, R.T.Coleman, K.A.Crandell, S.F.Hicks, B.A.Sklaney, M.M.Walbran, N.V.Warr, J.Jolie, F.Corminboeuf, L.Genilloud, J.Kern, J.-L.Schenker, P.E.Garrett

Structure of 120Te from the 118Sn(α, 2nγ) reaction and 120I decay

NUCLEAR REACTIONS 118Sn(α, 2n), E=16-32 MeV; measured Eγ, Iγ, γγ-coin, excitation functions. 120Te deduced levels, J, π, δ, branching ratios, B(E2). Comparisons with model predictions.

RADIOACTIVITY 120I(EC) [from 110Pd(14N, 4n)]; measured Eγ, Iγ, γγ-coin, T1/2; deduced log ft. 120Te deduced levels, J, π, δ, branching ratios, B(E2). Comparisons with model predictions.

doi: 10.1103/PhysRevC.68.034315
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2000VA31      Acta Phys.Hung.N.S. 12, 287 (2000)

J.R.Vanhoy, S.F.Hicks, N.V.Warr, G.K.Alexander, C.A.Aubin, P.G.Burkett, M.C.Burns, T.B.Brown, B.R.Champine, R.T.Coleman, C.J.Collard, F.Corminboeuf, K.A.Crandell, S.J.Etzkorn, P.E.Garrett, L.Genilloud, J.Jolie, J.Kern, J.-L.Schenker, B.A.Sklaney, J.A.Tanyi, M.M.Walbrun, S.W.Yates, M.Yeh

Coexisting Structures in the 120-124Te Nuclei

NUCLEAR STRUCTURE 118Sn, 120Te; analyzed levels, J. IBM-2 model calculations.


1994GU06      Phys.Rev.Lett. 72, 3000 (1994)

P.Gu, P.Haas, W.P.Hogan, S.K.Kim, J.N.Matthews, S.S.Myung, S.Schnetzer, G.B.Thomson, Y.Zou, K.Arisaka, D.Roberts, W.Slater, M.Weaver, R.A.Briere, E.Cheu, D.A.Harris, K.S.McFarland, A.Roodman, B.Schwingenheuer, S.V.Somalwar, Y.W.Wah, B.Winstein, R.Winston, A.R.Barker, E.C.Swallow, G.J.Bock, R.Coleman, M.Crisler, J.Enagonio, R.Ford, Y.B.Hsiung, D.A.Jensen, E.Ramberg, R.Tschirhart, E.M.Collins, G.D.Gollin, T.Nakaya, T.Yamanaka

Measurement of the Branching Ratio and a Study of CP for the Leptonic Decay K(L) → e+e-e+e-

doi: 10.1103/PhysRevLett.72.3000
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1994RA25      Phys.Lett. 338B, 403 (1994)

E.J.Ramberg, G.J.Bock, R.Coleman, M.Crisler, J.Enagonio, R.Ford, Y.B.Hsiung, D.A.Jensen, R.Tschirhart, K.Arisaka, D.Roberts, W.Slater, M.Weaver, R.A.Briere, E.Cheu, D.A.Harris, P.Krolak, G.Makoff, K.S.McFarland, A.Roodman, B.Schwingenheuer, S.Somalwar, Y.W.Wah, B.Winstein, R.Winston, A.R.Barker, E.C.Swallow, E.M.Collins, G.D.Gollin, T.Nakaya, T.Yamanaka, P.Gu, P.Haas, W.P.Hogan, S.Kim, J.N.Matthews, S.S.Myung, S.Schnetzer, G.Thomson, Y.Zou

Polarization of (Lambda) and (Lambda-bar) Produced by 800-GeV Protons

NUCLEAR REACTIONS 9Be(p, X), E=800 GeV; measured lambda, lambda-bar hyperon polarization; deduced no lambda-bar polarization evidence.

doi: 10.1016/0370-2693(94)91397-8
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1961CO23      Proc. Phys.Soc. (London) 78, 1163 (1961)

R.F.Coleman, J.L.Perkin

NUCLEAR STRUCTURE 27Al; measured not abstracted; deduced nuclear properties.


1960CO26      J.Inorg.Nucl.Chem. 14, 8 (1960)

R.F.Coleman, B.E.Hawker, J.L.Perkin

The mass-yield curve for fission of 237Np by 14.5 MeV neutrons

NUCLEAR REACTIONS 237Np(n, F)91Sr/93Y/97Zr/99Mo/105Rh/109Pd/112Pd/111Ag/115Cd/127Sb/132Te/131I/139Ba/140Ba/143Ce/147Nd/153Sm/157Eu/159Gd, E=14.5 MeV; measured fission products with chemical methods; deduced fission yields.

doi: 10.1016/0022-1902(60)80191-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23710.


1958PE19      Proc.Phys.Soc.(London) 72, 505 (1958)

J.L.Perkin, L.P.O'Connor, R.F.Coleman

Radiative Capture Cross Sections for 14.5 MeV Neutrons

doi: 10.1088/0370-1328/72/4/304
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21438.


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Note: The following list of authors and aliases matches the search parameter R.Coleman: , R.F.COLEMAN, R.J.COLEMAN, R.T.COLEMAN