NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = J.S.Randhawa Found 12 matches. 2022SI17 Phys.Rev. C 106, 015803 (2022) A.Sieverding, J.S.Randhawa, D.Zetterberg, R.J.deBoer, T.Ahn, R.Mancino, G.Martinez-Pinedo, W.R.Hix Role of low-lying resonances for the 10Be(p, α)7Li reaction rate and implications for the formation of the Solar System NUCLEAR REACTIONS 10Be(p, α), (α, n), E not given; 10Be(ν, e-), E=2.8-10 MeV; analyzed reaction rates, σ; deduced influence on the content of 10Be in supernovae environment. 10Be(p, α), E<1.5 MeV; analyzed reaction rate, experimental data on resonance in 11B at 193 keV, ; deduced reaction rate, astrophysical S-factor. Showed that, with the new reaction rate, a low-mass corecollapse supernovae is unlikely to produce enough 10Be to explain the observed 10Be/9Be ratio in meteorites. Comparison to data from JINA-REACLIB.
doi: 10.1103/PhysRevC.106.015803
2021GA01 Nucl.Instrum.Methods Phys.Res. A985, 164603 (2021) P.Gastis, G.Perdikakis, G.P.A.Berg, A.C.Dombos, A.Estrade, A.Falduto, M.Horoi, S.N.Liddick, S.Lipschutz, S.Lyons, F.Montes, A.Palmisano, J.Pereira, J.S.Randhawa, T.Redpath, M.Redshaw, J.Schmitt, J.R.Sheehan, M.K.Smith, P.Tsintari, A.C.C.Villari, K.Wang, R.G.T.Zegers A technique for the study of (p, n) reactions with unstable isotopes at energies relevant to astrophysics NUCLEAR REACTIONS 1H(40Ar, n), E=3.52 MeV/nucleon; measured reaction products, En, In; deduced σ. Comparison with available data.
doi: 10.1016/j.nima.2020.164603
2021HO15 Phys.Lett. B 822, 136710 (2021) M.Holl, R.Kanungo, Z.H.Sun, G.Hagen, J.A.Lay, A.M.Moro, P.Navratil, T.Papenbrock, M.Alcorta, D.Connolly, B.Davids, A.Diaz Varela, M.Gennari, G.Hackman, J.Henderson, S.Ishimoto, A.I.Kilic, R.Krucken, A.Lennarz, J.Liang, J.Measures, W.Mittig, O.Paetkau, A.Psaltis, S.Quaglioni, J.S.Randhawa, J.Smallcombe, I.J.Thompson, M.Vorabbi, M.Williams Proton inelastic scattering reveals deformation in 8He NUCLEAR REACTIONS 1H(8He, p), E=8.25 MeV/nucleon; measured reaction products, Ep, Ip. 8He; deduced σ(θ), resonance parameters, first 2+ state, quadrupole deformation parameter. Comparison with no-core shell model predictions. Charged particle spectroscopy station IRIS at TRIUMF in Canada.
doi: 10.1016/j.physletb.2021.136710
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
2020BA48 Prog.Part.Nucl.Phys. 114, 103790 (2020) D.Bazin, T.Ahn, Y.Ayyad, S.Beceiro Novo, A.O.Macchiavelli, W.Mittig, J.S.Randhawa Low energy nuclear physics with active targets and time projection chambers NUCLEAR REACTIONS 38S(d, p), E=10 MeV/nucleon; 1H(46Ar, p), (8B, p), 11Li(p, t), 3He(56Ni, 58Cu), 3H(30Mg, p), E not given; analyzed available data; deduced σ(θ), spectroscopic factors, neutron-proton pairing, island of inversions, clusters, B(E2) systematics.
doi: 10.1016/j.ppnp.2020.103790
2020RA24 Phys.Rev.Lett. 125, 202701 (2020) J.S.Randhawa, Y.Ayyad, W.Mittig, Z.Meisel, T.Ahn, S.Aguilar, H.Alvarez-Pol, D.W.Bardayan, D.Bazin, S.Beceiro Novo, D.Blankstein, L.Carpenter, M.Cortesi, D.Cortina-Gil, P.Gastis, M.Hall, S.Henderson, J.J.Kolata, T.Mijatovic, F.Ndayisabye, P.O'Malley, J.Pereira, A.Pierre, H.Robert, C.Santamaria, H.Schatz, J.Smith, N.Watwood, J.C.Zamora First Direct Measurement of 22Mg(α, p)25Al and Implications for X-Ray Burst Model-Observation Comparisons NUCLEAR REACTIONS 4He(22Mg, p), E ∼ 5 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with Non-Smoker calculations, available data.
doi: 10.1103/PhysRevLett.125.202701
2019AY03 Phys.Rev.Lett. 123, 082501 (2019) Y.Ayyad, B.Olaizola, W.Mittig, G.Potel, V.Zelevinsky, M.Horoi, S.Beceiro Novo, M.Alcorta, C.Andreoiu, T.Ahn, M.Anholm, L.Atar, A.Babu, D.Bazin, N.Bernier, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, M.Cortesi, C.Dalitz, E.Dunling, A.B.Garnsworthy, M.Holl, B.Kootte, K.G.Leach, J.S.Randhawa, Y.Saito, C.Santamaria, P.Siuryte, C.E.Svensson, R.Umashankar, N.Watwood, D.Yates Direct Observation of Proton Emission in 11Be RADIOACTIVITY 11Be(β-p) [from U(p, X), E=480 MeV]; measured decay products, Eβ, Iβ, Ep, Ip; deduced level energy, resonance parameters, J, π. Comparison with available data.
doi: 10.1103/PhysRevLett.123.082501
2019RA06 Phys.Rev. C 99, 021301 (2019) J.S.Randhawa, R.Kanungo, M.Holl, J.D.Holt, P.Navratil, S.R.Stroberg, G.Hagen, G.R.Jansen, M.Alcorta, C.Andreoiu, C.Barnes, C.Burbadge, D.Burke, A.A.Chen, A.Chester, G.Christian, S.Cruz, B.Davids, J.Even, G.Hackman, J.Henderson, S.Ishimoto, P.Jassal, S.Kaur, M.Keefe, D.Kisliuk, R.Krucken, J.Liang, J.Lighthall, E.McGee, J.Measures, M.Moukaddam, E.Padilla-Rodal, A.Shotter, I.J.Thompson, J.Turko, M.Williams, O.Workman Observation of excited states in 20Mg sheds light on nuclear forces and shell evolution NUCLEAR REACTIONS 2H(20Mg, d), (20Mg, d'), E=8.5 MeV/nucleon, [secondary 20Mg beam produced in Si(p, X), E=480 MeV fragmentation reaction using SiC target at ISAC-II facility]; measured scattered deuteron spectra, differential σ(θ) using annular single-sided silicon strip detector array and CsI(Tl) detectors (IRIS reaction spectroscopy facility) at TRIUMF. 20Mg; deduced levels, J, π, proton-unbound resonances. Comparison with ab initio calculations using the valence-space in-medium similarity renormalization-group (VS-IMSRG) approach.
doi: 10.1103/PhysRevC.99.021301
2017KU11 Phys.Rev.Lett. 118, 262502 (2017) A.Kumar, R.Kanungo, A.Calci, P.Navratil, A.Sanetullaev, M.Alcorta, V.Bildstein, G.Christian, B.Davids, J.Dohet-Eraly, J.Fallis, A.T.Gallant, G.Hackman, B.Hadinia, G.Hupin, S.Ishimoto, R.Krucken, A.T.Laffoley, J.Lighthall, D.Miller, S.Quaglioni, J.S.Randhawa, E.T.Rand, A.Rojas, R.Roth, A.Shotter, J.Tanaka, I.Tanihata, C.Unsworth Nuclear Force Imprints Revealed on the Elastic Scattering of Protons with 10C NUCLEAR REACTIONS 10C(p, p), E(cm)=4.15, 4.4 eV; measured reaction products, Ep, Ip; deduced σ(θ). Comparison with ab initio no-core shell model with continuum calculations.
doi: 10.1103/PhysRevLett.118.262502
2017TA30 Phys.Lett. B 774, 268 (2017) J.Tanaka, R.Kanungo, M.Alcorta, N.Aoi, H.Bidaman, C.Burbadge, G.Christian, S.Cruz, B.Davids, A.Diaz Varela, J.Even, G.Hackman, M.N.Harakeh, J.Henderson, S.Ishimoto, S.Kaur, M.Keefe, R.Krucken, K.G.Leach, J.Lighthall, E.Padilla-Rodal, J.S.Randhawa, P.Ruotsalainen, A.Sanetullaev, J.K.Smith, O.Workman, I.Tanihata Halo-induced large enhancement of soft dipole excitation of 11Li observed via proton inelastic scattering NUCLEAR REACTIONS 1H(11Li, p'), E=66 MeV; measured reaction products, Ep, Ip. 11Li; deduced σ(θ), B(E1). DWBA calculations.
doi: 10.1016/j.physletb.2017.09.079
2016SA13 Phys.Lett. B 755, 481 (2016) A.Sanetullaev, R.Kanungo, J.Tanaka, M.Alcorta, C.Andreoiu, P.Bender, A.A.Chen, G.Christian, B.Davids, J.Fallis, J.P.Fortin, N.Galinski, A.T.Gallant, P.E.Garrett, G.Hackman, B.Hadinia, S.Ishimoto, M.Keefe, R.Krucken, J.Lighthall, E.McNeice, D.Miller, J.Purcell, J.S.Randhawa, T.Roger, A.Rojas, H.Savajols, A.Shotter, I.Tanihata, I.J.Thompson, C.Unsworth, P.Voss, Z.Wang Investigation of the role of 10Li resonances in the halo structure of 11Li(p, d)10Li through the transfer reaction NUCLEAR REACTIONS 1H(11Li, d), (11Li, p), E=5.7 MeV/nucleon; measured reaction products; deduced resonance parameters, spectroscopic factor, σ(θ). DWBA analysis.
doi: 10.1016/j.physletb.2016.02.060
2015KA15 Phys.Rev.Lett. 114, 192502 (2015) R.Kanungo, A.Sanetullaev, J.Tanaka, S.Ishimoto, G.Hagen, T.Myo, T.Suzuki, C.Andreoiu, P.Bender, A.A.Chen, B.Davids, J.Fallis, J.P.Fortin, N.Galinski, A.T.Gallant, P.E.Garrett, G.Hackman, B.Hadinia, G.Jansen, M.Keefe, R.Krucken, J.Lighthall, E.McNeice, D.Miller, T.Otsuka, J.Purcell, J.S.Randhawa, T.Roger, A.Rojas, H.Savajols, A.Shotter, I.Tanihata, I.J.Thompson, C.Unsworth, P.Voss, Z.Wang Evidence of Soft Dipole Resonance in 11Li with Isoscalar Character NUCLEAR REACTIONS 2H(11Li, X)7Li/8Li/9Li/10Li/11Li, E=5.5 MeV/nucleon; measured reaction products. 11Li; deduced yields, σ(θ), excitation energy, soft dipole resonance. Comparison with ab initio calculations in the coupled cluster framework.
doi: 10.1103/PhysRevLett.114.192502
Back to query form |