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NSR database version of May 24, 2024.

Search: Author = B.P.Das

Found 15 matches.

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2022SA06      Phys.Rev. D 105, 018302 (2022)

B.K.Sahoo, B.P.Das, H.Spiesberger

Reply to "Comment on "New physics constraints from atomic parity violation in 133Cs"

ATOMIC PHYSICS 133Cs; calculated the nuclear spin-independent parity violating electric dipole transition amplitude; deduced a new value for the nuclear weak charge and uncertainties.

doi: 10.1103/PhysRevD.105.018302
Citations: PlumX Metrics


2021SA56      Phys.Rev. D 103, L111303 (2021)

B.K.Sahoo, B.P.Das, H.Spiesberger

New physics constraints from atomic parity violation in 133Cs

ATOMIC PHYSICS 133Cs; calculated the nuclear spin-independent parity violating electric dipole transition amplitude; deduced a new value for the nuclear weak charge.

doi: 10.1103/PhysRevD.103.L111303
Citations: PlumX Metrics


2019SA43      Phys.Rev. A 100, 020502R (2019)

A.Sakurai, B.K.Sahoo, K.Asahi, B.P.Das

Relativistic many-body theory of the electric dipole moment of 129Xe and its implications for probing new physics beyond the standard model

NUCLEAR MOMENTS 129Xe; calculated static dipole polarizability; deduced the time-reversal and parity violating electric dipole moment arising from the nuclear Schiff moment and the electron-nucleus tensor-pseudotensor interaction based on the self-consistent and the normal relativistic coupled-cluster methods.

doi: 10.1103/PhysRevA.100.020502
Citations: PlumX Metrics


2018SA23      Phys.Rev. A 97, 062510 (2018)

A.Sakurai, B.K.Sahoo, B.P.Das

Electric dipole polarizability of 129Xe using the relativistic coupled-cluster and the normal coupled-cluster methods

NUCLEAR MOMENTS 129Xe; calculated static dipole polarizability using the self-consistent relativistic coupled-cluster theory and the relativistic normal coupled-cluster theory.

doi: 10.1103/PhysRevA.97.062510
Citations: PlumX Metrics


2017YA10      Eur.Phys.J. A 53, 54 (2017)

N.Yamanaka, B.K.Sahoo, N.Yoshinaga, T.Sato, K.Asahi, B.P.Das

Probing exotic phenomena at the interface of nuclear and particle physics with the electric dipole moments of diamagnetic atoms: A unique window to hadronic and semi-leptonic CP violation

ATOMIC PHYSICS 129Xe, 199Hg, 225Ra; deduced atomic electric dipole moment (relative to the CP-violation coefficient) from LHC and other published data.

doi: 10.1140/epja/i2017-12237-2
Citations: PlumX Metrics


2015SA18      Phys.Rev. A 91, 042507 (2015)

B.K.Sahoo, D.K.Nandy, B.P.Das, Y.Sakemi

Correlation trends in the hyperfine structures of 210, 212Fr

NUCLEAR STRUCTURE 210,212Fr; calculated magnetic dipole and electric quadrupole hyperfine structure constants using the Dirac-Fock approximation. Comparison with available data.

doi: 10.1103/PhysRevA.91.042507
Citations: PlumX Metrics


2015SA48      Phys.Rev. A 92, 052511 (2015)

B.K.Sahoo, B.P.Das

Theoretical studies of the long lifetimes of the 6d2D3/2, 5/2states in Fr: Implications for parity-nonconservation measurements

ATOMIC PHYSICS Fr; calculated levels T1/2, radiative transition amplitudes of the allowed electric dipole (E1) and the forbidden electric quadrupole (E2) and magnetic dipole (M1) channels using the second-order many-body perturbation theory and the coupled-cluster method at different levels of approximations in the relativistic framework. Comparison with available data.

doi: 10.1103/PhysRevA.92.052511
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2007LA36      Phys.Rev. A 76, 062508 (2007)

K.V.P.Latha, C.Sur, R.K.Chaudhuri, B.P.Das, D.Mukherjee

Electric quadrupole moment of the 5d2D3/2 state in 171Yb+: A relativistic coupled-cluster analysis

ATOMIC PHYSICS 171Yb; calculated electric quadrupole moment using the coupled-cluster method.

doi: 10.1103/PhysRevA.76.062508
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2007MA06      Eur.Phys.J. D 41, 441 (2007)

S.Majumder, B.K.Sahoo, R.K.Chaudhuri, B.P.Das, D.Mukherjee

Many-body effects in hyperfine interactions in 205Pb+

NUCLEAR MOMENTS 205Pb; calculated magnetic dipole and electric quadrupole hyperfine structure constants. Relativistic coupled-cluster theory.

doi: 10.1140/epjd/e2006-00248-2
Citations: PlumX Metrics


2005SA67      J.Phys.(London) B38, 4379 (2005)

B.K.Sahoo, T.Beier, B.P.Das, R.K.Chaudhuri, D.Mukherjee

Electron correlation effects in hyperfine interactions in 45Sc and 89Y

NUCLEAR MOMENTS 45Sc, 89Y; calculated dipole and quadrupole hfs constants. Relativistic coupled-cluster theory, comparison with data.

doi: 10.1088/0953-4075/38/24/004
Citations: PlumX Metrics


2003SA41      Phys.Rev. A 68, 040501 (2003)

B.K.Sahoo, G.Gopakumar, R.K.Chaudhuri, B.P.Das, H.Merlitz, U.S.Mahapatra, D.Mukherjee

Magnetic dipole hyperfine interactions in 137Ba+ and the accuracies of the neutral weak interaction matrix elements

NUCLEAR MOMENTS 137Ba; calculated hyperfine constants for singly ionized atom. Relativistic coupled-cluster method.

doi: 10.1103/PhysRevA.68.040501
Citations: PlumX Metrics


2000PA61      Phys.Rev. C62, 065501 (2000)

P.K.Panda, B.P.Das

Effects of Nuclear Structure on Parity Nonconservation in Atomic Cesium in Relativistic Mean Field Theory

NUCLEAR STRUCTURE 125,127,129,131,133,135,137,139Cs; calculated binding energies, radii, nuclear structure corrections to weak charge. Relativistic mean field theory, several parameter sets compared.

doi: 10.1103/PhysRevC.62.065501
Citations: PlumX Metrics


1999SI17      J.Phys.(London) B32, 4905 (1999)

A.D.Singh, B.P.Das

Parity Non-Conservation in Atomic Yb Arising from the Nuclear Anapole Moment

ATOMIC PHYSICS Yb; calculated atomic levels configuration state functions, transition matrix elements; deduced implications for anapole moment measurements. Shielded potential.

doi: 10.1088/0953-4075/32/20/308
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1986DA02      J.Phys.(London) B19, L7 (1986)

B.P.Das, I.P.Grant

Multiconfiguration Dirac-Fock Approach to the Fine-Structure Splitting in the 3s3p Configuration of the Magnesium Sequence

ATOMIC PHYSICS Z=13-50; calculated Mg sequence fine structure intervals. Multi-configuration Dirac-Fock approach.

doi: 10.1088/0022-3700/19/1/002
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1982VA22      Phys.Rev.Lett. 48, 1330 (1982); Erratum Phys.Rev.Lett. 49, 1466 (1982); Erratum Phys.Rev.Lett. 49, 1800 (1982)

M.Vajed-Samii, J.Andriessen, B.P.Das, S.N.Ray, T.Lee, T.P.Das

Accurate Values of Nuclear Magnetic Moments of Francium Isotopes

NUCLEAR MOMENTS 208,209,210,211,212,213Fr; calculated μ. Relativistic many-body perturbation theory.

doi: 10.1103/PhysRevLett.48.1330
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