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NSR database version of April 11, 2024.

Search: Author = X.L.Yan

Found 36 matches.

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2024LO02      Phys.Rev.Lett. 132, 142502 (2024)

B.Longfellow, A.T.Gallant, G.H.Sargsyan, M.T.Burkey, T.Y.Hirsh, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, K.D.Launey, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan

Improved Tensor Current Limit from 8B β Decay Including New Recoil-Order Calculations

RADIOACTIVITY 8B(β+) [from 6Li(3He, n)8B, E not given]; measured decay products, Eα, Iα, Eβ, Iβ, α-α-β-coin.; deduced β-ν angular correlation coefficient impacted by 2+ intruder state, Gamow-Teller decays. Comparison with new ab initio symmetry-adapted no-core shell-model calculations, available data. The Beta-decay Paul Trap, Argonne National Laboratory, the ATLAS facility.

doi: 10.1103/PhysRevLett.132.142502
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2024SU04      Chin.Phys.C 48, 034002 (2024)

M.Z.Sun, Y.Yu, X.P.Wang, M.Wang, J.G.Li, Y.H.Zhang, K.Blaum, Z.Y.Chen, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, W.J.Huang, H.Y.Jiao, H.H.Li, H.F.Li, Y.F.Luo, T.Liao, Yu.A.Litvinov, M.Si, P.Shuai, J.Y.Shi, Q.Wang, Y.M.Xing, X.Xu, H.S.Xu, F.R.Xu, Q.Yuan, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, X.H.Zhou, X.Zhou, M.Zhang, Q.Zeng

Ground-state mass of 22Al and test of state-of-the-art ab initio calculations

NUCLEAR STRUCTURE 22Al, 22F; calculated test of the state-of-the-art ab initio valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field theory using excitation energies and mirror energy differences.

doi: 10.1088/1674-1137/ad1a0a
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2023LO04      Phys.Rev. C 107, L032801 (2023)

B.Longfellow, A.T.Gallant, T.Y.Hirsh, M.T.Burkey, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan

Determination of the 8B neutrino energy spectrum using trapped ions

RADIOACTIVITY 8B(β+) [from 3He(6Li, n)8B, E not given]; measured decay products, Eα, Iα, αα-coin, 8Be recoil energy; deduced 8Be final-state distribution (FSD) from 8B decay, neutrino energy spectra. Comparison to other experimental data. β-decay Paul trap (BPT) surrounded by double-sided silicon strip detectors (DSSDs) at ATLAS facility (ANL).

doi: 10.1103/PhysRevC.107.L032801
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2023WA10      Phys.Rev.Lett. 130, 192501 (2023)

M.Wang, Y.H.Zhang, X.Zhou, X.H.Zhou, H.S.Xu, M.L.Liu, J.G.Li, Y.F.Niu, W.J.Huang, Q.Yuan, S.Zhang, F.R.Xu, Y.A.Litvinov, K.Blaum, Z.Meisel, R.F.Casten, R.B.Cakirli, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, H.F.Li, T.Liao, S.A.Litvinov, P.Shuai, J.Y.Shi, Y.N.Song, M.Z.Sun, Q.Wang, Y.M.Xing, X.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, M.Zhang

Mass Measurement of Upper fp-Shell N = Z - 2 and N = Z - 1 Nuclei and the Importance of Three-Nucleon Force along the N = Z Line

ATOMIC MASSES 58Zn, 60Ga, 62Ge, 64As, 66Se, 70Kr, 61Ga, 63Ge, 65As, 67Se, 71Kr, 75Sr; measured time-of-flight (TOF); deduced mass excess (ME). A novel method of isochronous mass spectrometry, the Heavy Ion Research Facility in Lanzhou (HIRFL).

doi: 10.1103/PhysRevLett.130.192501
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2023XI01      Phys.Rev. C 107, 014304 (2023)

Y.M.Xing, C.X.Yuan, M.Wang, Y.H.Zhang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, H.S.Xu, T.Bao, R.J.Chen, C.Y.Fu, B.S.Gao, W.W.Ge, J.J.He, W.J.Huang, T.Liao, J.G.Li, H.F.Li, S.Litvinov, S.Naimi, P.Shuai, M.Z.Sun, Q.Wang, X.Xu, F.R.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, M.Zhang, X.Zhou

Isochronous mass measurements of neutron-deficient nuclei from 112Sn projectile fragmentation

ATOMIC MASSES 69As, 73Br, 75Kr, 79Sr, 81Y, 87Mo, 87mMo, 91Ru, 91mRu, 93Rh, 93mRh, 95Pd, 95mPd, 103Sn; measured revolution times of stored ions, ToF; deduced mass excesses. 27Al, 29Si, 31P, 33S, 35Cl, 37Ar, 39,40K, 41,42Ca, 43,43mSc, 46Ti, 47,48V, 50,49Cr, 51,52,52mMn, 51m,53,54Fe, 55,56,57Co, 57,58,59Ni, 59,60,61Cu, 62,63Zn, 63,65Ga, 65,66Ge, 67,68,69,70Se, 71Br, 73,74Kr, 75,76,77Rb, 77,78Sr, 82Zr, 84Nb, 86Mo, 90Ru, 94Pd, 97,97mAg, 99Cd, 101,101mIn; analyzed masses by comparing to previously measured values and AME2020 evaluation. 87Mo, 91Ru, 93Rh, 95Pd; deduced isomer ratios, isomeric states and assigned J, π values as 1/2- from systematics. 91mRu; deduced mass excess based on the precise measured value for 90Mo. 104Sb, 107Te, 108I, 111Xe, 112Cs; deduced mass excess based on measured mass excess value for 103Sn and literature Q values for α- and p-decays. Systematics of 1/2- isomers in Zr, Mo, Ru, Pd and Cd isotopes and comparison to shell-model calculations. Comparison to AME2020 and NUBASE2020. Isochronous mass spectrometry at the Cooler Storage Ring in Lanzhou of the fragments from 9Be(112Sn, X), E=400.88 MeV/nucleon reaction.

NUCLEAR REACTIONS 9Be(112Sn, X), E=400.88 MeV/nucleon; measured reaction products, number of produced fragments. 87,87mMo, 91,91mRu, 93,93mRh, 95,95mPd; deduced isomeric ratios.

doi: 10.1103/PhysRevC.107.014304
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2023ZH10      Eur.Phys.J. A 59, 27 (2023)

M.Zhang, X.Zhou, M.Wang, Y.H.Zhang, Yu.A.Litvinov, H.S.Xu, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, H.F.Li, T.Liao, S.A.Litvinov, P.Shuai, J.Y.Shi, R.S.Sidhu, Y.N.Song, M.Z.Sun, S.Suzuki, Q.Wang, Y.M.Xing, X.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, X.H.Zhou

Bρ-defined isochronous mass spectrometry and mass measurements of 58Ni fragments

ATOMIC MASSES 23Al, 25Si, 27P, 31Cl, 33Ar, 35K, 37Ca, 41Ti, 43V, 45Cr, 47Mn, 49Fe, 51Co, 53Ni, 55Cu, 43Ti, 44,44mV, 46Cr, 48Mn, 50,51Fe, 52,52mCo, 54Ni, 56Cu, 24,24mAl, 44,44mV, 52,52mCo; measured revolution time spectrum, frequencies; deduced masses, energy differences between the ground states and isomers. The experimental cooler-storage ring CSRe in Lanzhou.

doi: 10.1140/epja/s10050-023-00928-6
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2022OR02      Phys.Rev. C 105, L052802 (2022)

R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, D.Ray, G.Savard, R.Surman, F.Buchinger, D.P.Burdette, M.T.Burkey, D.A.Gorelov, J.W.Klimes, W.S.Porter, K.S.Sharma, A.A.Valverde, L.Varriano, X.L.Yan

Searching for the origin of the rare-earth peak with precision mass measurements across Ce-Eu isotopic chains

ATOMIC MASSES 152,153,154Ce, 152,153,154,156,157Pr, 157Nd, 161Pm, 163,165Eu; measured cyclotron frequency; deduced mass excess, solar abundances of rare-earth elements. Comparison to AME2016 and AME2020 evaluations, previous experimental data and calculations using Markov chain Monte Carlo (MCMC) technique. Canadian Penning Trap (CPT) with low-energy ion beams from the Californium Rare Isotope Breeder Upgrade(CARIBU) facility at Argonne National Laboratory. Systematics of CPT mass-measurements for Ce, Pr, Nd, Pm, Sm, Eu (Z=58-63).

doi: 10.1103/PhysRevC.105.L052802
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2022WA39      Phys.Rev. C 106, L051301 (2022)

M.Wang, M.Zhang, X.Zhou, Y.H.Zhang, Yu.A.Litvinov, H.S.Xu, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, H.F.Li, T.Liao, S.A.Litvinov, P.Shuai, J.Y.Shi, M.Si, R.S.Sidhu, Y.N.Song, M.Z.Sun, S.Suzuki, Q.Wang, Y.M.Xing, X.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, X.H.Zhou

Bρ-defined isochronous mass spectrometry: An approach for high-precision mass measurements of short-lived nuclei

ATOMIC MASSES 44,44mV, 46Cr, 48Mn, 50,51Fe, 52,52mCo, 54Ni, 56Cu, 43Ti; measured velocity and revolution time of stored ions; deduced mass excess. 52Co; deduced S(p). Introduced technique for broadband high-precision mass spectrometry based on simultaneous determinations of revolution time and velocity of short-lived stored ions at the cooler storage ring CSRe in Lanzhou.Comparison to AME2020 values and other experimental results.

RADIOACTIVITY 46Cr, 50Fe, 54Ni(EC); deduced Q values, ft using the values of mass excess obtained in this paper.

doi: 10.1103/PhysRevC.106.L051301
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2020FU05      Phys.Rev. C 102, 054311 (2020)

C.Y.Fu, Y.H.Zhang, M.Wang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, X.C.Chen, J.J.He, S.Kubono, M.Z.Sun, X.L.Tu, Y.M.Xing, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu

Mass measurements for the Tz= -2 fp-shell nuclei 40Ti, 44Cr, 46Mn, 48Fe, 50Co, and 52Ni

ATOMIC MASSES 40Ti, 44Cr, 46Mn, 48Fe, 50Co, 52Ni; measured revolution time spectrum of stored ions by time-of-flight detectors, and mass excesses using isochronous mass spectrometry at CSRe-HIRFL, Lanzhou. Isotopes produced in 9Be(58Ni, X), E=468 MeV/nucleon reaction and separated using RIBLL2. Comparison with AME-2016 evaluation, and with theoretical calculations using four mass-models. A=44, 46, 50, 52; analyzed isospin multiplet mass equation (IMME) and T=2 quintets. 44V; proposed isobaric analog state (IAS).

RADIOACTIVITY 44Cr(β+), (β+p); analyzed decay scheme; deduced β feedings, logft values, B(GT) from the branching ratios of β+-delayed protons and Q values.

doi: 10.1103/PhysRevC.102.054311
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2020OR03      Phys.Rev. C 102, 011303 (2020)

R.Orford, F.G.Kondev, G.Savard, J.A.Clark, W.S.Porter, D.Ray, F.Buchinger, M.T.Burkey, D.A.Gorelov, D.J.Hartley, J.W.Klimes, K.S.Sharma, A.A.Valverde, X.L.Yan

Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N=98

ATOMIC MASSES 156,156m,158,160,160mPm, 158,160,160m,162,162m,164Eu, 162,162m,164,164m,166Tb; measured cyclotron frequency using the Canadian Penning Trap mass spectrometer at the CARIBU-ANL facility; deduced mass excesses, isomer excitation energies, Kπ, Nilsson configurations. Radioactive nuclei were produced in spontaneous fission of 252Cf source, filtered by A/Q, and purified by a multireflection time-of-flight mass separator (MR-TOF). Comparison with multiquasiparticle blocking calculations.

doi: 10.1103/PhysRevC.102.011303
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2019OZ03      Phys.Lett. B 797, 134800 (2019)

F.C.Ozturk, B.Akkus, D.Atanasov, H.Beyer, F.Bosch, D.Boutin, C.Brandau, P.Buhler, R.B.Cakirli, R.J.Chen, W.D.Chen, X.C.Chen, I.Dillmann, C.Dimopoulou, W.Enders, H.G.Essel, T.Faestermann, O.Forstner, B.S.Gao, H.Geissel, R.Gernhauser, R.E.Grisenti, A.Gumberidze, S.Hagmann, T.Heftrich, M.Heil, M.O.Herdrich, P.-M.Hillenbrand, T.Izumikawa, P.Kienle, C.Klaushofer, C.Kleffner, C.Kozhuharov, R.K.Knobel, O.Kovalenko, S.Kreim, T.Kuhl, C.Lederer-Woods, M.Lestinsky, S.A.Litvinov, Yu.A.Litvinov, Z.Liu, X.W.Ma, L.Maier, B.Mei, H.Miura, I.Mukha, A.Najafi, D.Nagae, T.Nishimura, C.Nociforo, F.Nolden, T.Ohtsubo, Y.Oktem, S.Omika, A.Ozawa, N.Petridis, J.Piotrowski, R.Reifarth, J.Rossbach, R.Sanchez, M.S.Sanjari, C.Scheidenberger, R.S.Sidhu, H.Simon, U.Spillmann, M.Steck, Th.Stohlker, B.H.Sun, L.A.Susam, F.Suzaki, T.Suzuki, S.Yu.Torilov, C.Trageser, M.Trassinelli, S.Trotsenko, X.L.Tu, P.M.Walker, M.Wang, G.Weber, H.Weick, N.Winckler, D.F.A.Winters, P.J.Woods, T.Yamaguchi, X.D.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Y.H.Zhang, X.H.Zhou

New test of modulated electron capture decay of hydrogen-like 142Pm ions: Precision measurement of purely exponential decay

RADIOACTIVITY 142Pm(EC); measured decay products; deduced T1/2.

doi: 10.1016/j.physletb.2019.134800
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2019XU09      Phys.Rev. C 99, 064303 (2019)

X.Xu, M.Wang, K.Blaum, J.D.Holt, Yu.A.Litvinov, A.Schwenk, J.Simonis, S.R.Stroberg, Y.H.Zhang, H.S.Xu, P.Shuai, X.L.Tu, X.H.Zhou, F.R.Xu, G.Audi, R.J.Chen, X.C.Chen, C.Y.Fu, Z.Ge, W.J.Huang, S.Litvinov, D.W.Liu, Y.H.Lam, X.W.Ma, R.S.Mao, A.Ozawa, B.H.Sun, Y.Sun, T.Uesaka, G.Q.Xiao, Y.M.Xing, T.Yamaguchi, Y.Yamaguchi, X.L.Yan, Q.Zeng, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan

Masses of neutron-rich 52-54Sc and 54, 56Ti nuclides: The N=32 subshell closure in scandium

ATOMIC MASSES 52,53,54Sc, 54,56Ti; measured mass excesses using isochronous mass spectrometry at CRSe-HIRFL, Lanzhou. Isotopes produced in 9Be(86Kr, X), E=460.65 MeV/nucleon reaction and separated using RIBLL2. Comparison with AME-2012 evaluation, and results from six previous experiments, and with valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(2n) values in N=27-34 K, Ca, Sc, Ti isotopic chains, and those of empirical shell gaps in N=24-34 K, Ca, Sc, Ti isotopic chains and Z=19-25 N=32 isotones.

doi: 10.1103/PhysRevC.99.064303
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2019XU13      Phys.Rev. C 100, 051303 (2019)

X.Xu, J.H.Liu, C.X.Yuan, Y.M.Xing, M.Wang, Y.H.Zhang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, R.J.Chen, X.C.Chen, C.Y.Fu, B.S.Gao, J.J.He, S.Kubono, Y.H.Lam, H.F.Li, M.L.Liu, X.W.Ma, P.Shuai, M.Si, M.Z.Sun, X.L.Tu, Q.Wang, H.S.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, P.Zhang, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, S.Naimi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, K.Kaneko, Y.Sun, F.R.Xu

Masses of ground and isomeric states of 101In and configuration-dependent shell evolution in odd-$A$ indium isotopes

ATOMIC MASSES 101In, 101mIn; measured mass excesses using storage-ring based isochronous mass spectrometry technique; deduced energy of the isomeric state. Comparison with systematic values in AME-2016 values. Systematics of 1/2- isomeric states in 101,103,105,107,109,111In, data from the present experiment for 101In and from the ENSDF database for others.

NUCLEAR STRUCTURE 101,103,105,107,109,111,113In; calculated energies of the 1/2- isomeric levels, neutron occupation numbers for 1/2- and 9/2+ levels, neutron effective single-particle energies of ν1g7/2 with respect to ν2d5/2 for 9/2+ and 1/2- levels using state-of-the-art shell-model calculations. Comparison with available experimental data.

NUCLEAR REACTIONS 9Be(112Sn, X)31P/33S/35Cl/37Ar/39K/58Ni/60Cu/62Zn/64Ga/66Ge/68As/70Se/72Br/74Rb/76Rb/78Sr/80Y/89Tc/91Ru/91mRu/93Rh/95Pd/95mPd/97Ag/99Cd/101In/101mIn/103Sn, E=400.88 MeV/nucleon; measured reaction products selected and analyzed by RIBLL2 separator, and revolution time spectrum at the Cooler Storage Ring (CSR) accelerator complex of HIRFL-Lanzhou facility.

doi: 10.1103/PhysRevC.100.051303
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2018FU11      Phys.Rev. C 98, 014315 (2018)

C.Y.Fu, Y.H.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, K.Blaum, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, T.Bao, X.C.Chen, H.Chen, J.J.He, S.Kubono, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, P.Zhang, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu

Masses of the Tz = -3/2 nuclei 27P and 29S

ATOMIC MASSES 27P, 29S; measured revolution time spectrum, and mass excesses using isochronous mass spectrometry (IMS) technique at Cooler Storage Ring (CSR) of HIRFL-Lanzhou facility. 29S, 29P, 29Si, 29Al; analyzed linear and quadratic coefficients of the isobaric multiplet mass equation (IMME). Comparison with AME-2016 values. 27P, 29S; isotopes produced in 9Be(58Ni, X), E=468 MeV/nucleon reaction, and using RIBLL2 fragment separator.

doi: 10.1103/PhysRevC.98.014315
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2018XI04      Phys.Lett. B 781, 358 (2018)

Y.M.Xing, K.A.Li, Y.H.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, K.Blaum, S.Wanajo, S.Kubono, G.Martinez-Pinedo, A.Sieverding, R.J.Chen, P.Shuai, C.Y.Fu, X.L.Yan, W.J.Huang, X.Xu, X.D.Tang, H.S.Xu, T.Bao, X.C.Chen, B.S.Gao, J.J.He, Y.H.Lam, H.F.Li, J.H.Liu, X.W.Ma, R.S.Mao, M.Si, M.Z.Sun, X.L.Tu, Q.Wang, J.C.Yang, Y.J.Yuan, Q.Zeng, P.Zhang, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, C.Frohlich, T.Rauscher, F.-K.Thielemann, B.H.Sun, Y.Sun, A.C.Dai, F.R.Xu

Mass measurements of neutron-deficient Y, Zr, and Nb isotopes and their impact on rp and νp nucleosynthesis processes

ATOMIC MASSES 78,79Y, 80,81Zr, 82,83,84Nb, 84Mo; measured revolution time spectrum; deduced mass excess values and proton separation energies. Comparison with available data.

doi: 10.1016/j.physletb.2018.04.009
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2018ZH29      Phys.Rev. C 98, 014319 (2018)

Y.H.Zhang, P.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, T.Bao, X.C.Chen, H.Chen, C.Y.Fu, J.J.He, S.Kubono, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, K.Blaum, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu

Isochronous mass measurements of Tz = -1 fp-shell nuclei from projectile fragmentation of 58Ni

ATOMIC MASSES 43Ti, 44,44m,45V, 46,47Cr, 48,49Mn, 50,51Fe, 52,52mCo, 54Ni, 56Cu; measured time revolution spectra, and mass excesses using isochronous mass spectrometry (IMS) technique using Cooler Storage Ring (CSRm) at HIRFL-Lanzhou. Comparison with AME-2012 evaluation, and with predictions of several mass models. 52,52mCo, 44,44mV; deduced precise energies of the isomeric states from direct mass measurements, and compared with previously known values. 52,52mCo, 52Mn; deduced revised level energies in 52Co from new mass measurements for 52,52mCo and known level energies in 52Mn mirror nucleus. 56Co, 56Cu; deduced revised 56Cu level energies from new mass measurement for 56Cu and using known level energies of 56Co mirror nucleus. 52Co, 52Fe, 52Mn, 52Cr; analyzed quadratic and cubic fit coefficients of the isobaric multiplet mass equation (IMME). Discussed impact of new mass measurements on different aspects in nuclear structure. Isotopes produced in 9Be(58Ni, X), E=467.91 MeV/nucleon reaction, and fragments separated using RIBLL2 separator at Lanzhou.

doi: 10.1103/PhysRevC.98.014319
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2017TU01      Phys.Rev. C 95, 014610 (2017)

X.L.Tu, A.Kelic-Heil, Yu.A.Litvinov, Zs.Podolyak, Y.H.Zhang, W.J.Huang, H.S.Xu, K.Blaum, F.Bosch, R.J.Chen, X.C.Chen, C.Y.Fu, B.S.Gao, Z.Ge, Z.G.Hu, D.W.Liu, S.A.Litvinov, X.W.Ma, R.S.Mao, B.Mei, P.Shuai, B.H.Sun, Y.Sun, Z.Y.Sun, P.M.Walker, M.Wang, N.Winckler, J.W.Xia, G.Q.Xiao, Y.M.Xing, X.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, W.Zhang, H.W.Zhao, T.C.Zhao, X.H.Zhou

Application of isochronous mass spectrometry for the study of angular momentum population in projectile fragmentation reactions

NUCLEAR REACTIONS 9Be(78Kr, X)53Fe/53mFe/53Co/53mCo, E=479.4 MeV/nucleon; measured revolution time spectra of the isomeric and ground states of 53Co and 53Fe using isochronous mass spectrometry (IMS) technique at HIRFL-CSR-Lanzhou facility; deduced isomeric ratios for the 19/2 state, and compared with the predictions of theoretical calculations using ABRABLA07 code. 53Fe; calculated production probability of 53Fe versus spin using ABRABLA07 code for the 58Ni, 78Kr, 84Kr, and 112Sn projectiles.

doi: 10.1103/PhysRevC.95.014610
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2017ZE02      Phys.Rev. C 96, 031303 (2017)

Q.Zeng, M.Wang, X.H.Zhou, Y.H.Zhang, X.L.Tu, X.C.Chen, X.Xu, Yu.A.Litvinov, H.S.Xu, K.Blaum, R.J.Chen, C.Y.Fu, Z.Ge, W.J.Huang, H.F.Li, J.H.Liu, B.Mei, P.Shuai, M.Si, B.H.Sun, M.Z.Sun, Q.Wang, G.Q.Xiao, Y.M.Xing, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Y.D.Zang, P.Zhang, W.Zhang, X.Zhou

Half-life measurement of short-lived 94m44Ru44+ using isochronous mass spectrometry

RADIOACTIVITY 94mRu(IT)[from 9Be(112Sn, X), E=376.42 MeV/nucleon]; measured half-life of the fully-ionized (bare) ions of 8+ isomeric state at 2644 keV at the Experimental Cooler Storage Ring (CSRe) in Heavy Ion Research Facility (HIRFL), Lanzhou; deduced ICC. Comparison with calculations using BrIcc code, and with theoretical predictions. See also 2017Ch37 from the same laboratory for a detailed statistical analysis for extraction of half-life from experimental data.

ATOMIC MASSES 94Ru, 94mRu; measured mass excesses of the isomer and the ground state of 94Ru using isochronous mass spectrometry (IMS) at Heavy Ion Research Facility (HIRFL), Lanzhou, and compared with AME-2016.

doi: 10.1103/PhysRevC.96.031303
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2017ZH12      Phys.Lett. B 767, 20 (2017)

P.Zhang, X.Xu, P.Shuai, R.J.Chen, X.L.Yan, Y.H.Zhang, M.Wang, Yu.A.Litvinov, K.Blaum, H.S.Xu, T.Bao, X.C.Chen, H.Chen, C.Y.Fu, J.J.He, S.Kubono, Y.H.Lam, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, J.C.Yang, Y.J.Yuan, Q.Zeng, X.Zhou, X.H.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu

High-precision QEC values of superallowed 0+ → 0+β-emitters 46Cr, 50Fe and 54Ni

ATOMIC MASSES 42Ti, 46Cr, 48Mn, 50Fe, 54Ni; measured the revolution time spectrum; deduced precision mass excesses, corrected log ft values. Comparison with AME12 evaluated data.

doi: 10.1016/j.physletb.2017.01.039
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2016ME15      Phys.Rev. C 94, 044615 (2016)

B.Mei, H.S.Xu, Y.H.Zhang, M.Wang, X.L.Tu, K.-H.Schmidt, Yu.A.Litvinov, Z.Y.Sun, X.H.Zhou, Y.J.Yuan, K.Blaum, M.V.Ricciardi, A.Kelic-Heil, R.S.Mao, Z.G.Hu, P.Shuai, Y.D.Zang, X.W.Ma, X.Y.Zhang, J.W.Xia, G.Q.Xiao, Z.Y.Guo, J.C.Yang, X.H.Zhang, X.Xu, X.L.Yan, W.Zhang, W.L.Zhan

Odd-even staggering in yields of neutron-deficient nuclei produced by projectile fragmentation

NUCLEAR REACTIONS 9Be(58Ni, X), E=463 MeV/nucleon; measured neutron-deficient fragment, revolution-time spectrum, fragment yields and particle-emission threshold energy (PETE) of Tz=-3/2 and -1 nuclei using fragment separator RIBLL2 and experimental Cooler Storage Ring (CSRe) at HIRFL-Lanzhou facility; deduced odd-even staggering (OES) of fragment yields.

doi: 10.1103/PhysRevC.94.044615
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2016XU10      Phys.Rev.Lett. 117, 182503 (2016)

X.Xu, P.Zhang, P.Shuai, R.J.Chen, X.L.Yan, Y.H.Zhang, M.Wang, Yu.A.Litvinov, H.S.Xu, T.Bao, X.C.Chen, H.Chen, C.Y.Fu, S.Kubono, Y.H.Lam, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, J.C.Yang, Y.J.Yuan, Q.Zeng, X.Zhou, X.H.Zhou, W.L.Zhan, S.Litvinov, K.Blaum, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, A.C.Dai, F.R.Xu

Identification of the Lowest T=2, Jπ = 0+ Isobaric Analog State in 52Co and Its Impact on the Understanding of β-Decay Properties of 52Ni

NUCLEAR REACTIONS Be(58Ni, X)52Co, E=467.91 MeV/nucleon; measured reaction products, TOF; deduced atomic masses, energy of T=2 isobaric analog state, level scheme. Comparison with shell model calculations using GXPF1J interaction.

doi: 10.1103/PhysRevLett.117.182503
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2015DO10      Phys.Scr. T166, 014007 (2015)

D.T.Doherty, P.J.Woods, Y.A.Litvinov, M.A.Najafi, S.Bagchi, S.Bishop, M.Bo, C.Brandau, T.Davinson, I.Dillmann, A.Estrade, P.Egelhof, A.Evdokimov, A.Gumberidze, M.Heil, C.Lederer, S.A.Litvinov, G.Lotay, N.Kalantar-Nayestanaki, O.Kiselev, C.Kozhuharov, T.Kroll, M.Mahjour-Shafiei, M.Mutterer, F.Nolden, N.Petridis, U.Popp, R.Reifarth, C.Rigollet, S.Roy, M.Steck, T.Stohlker, B.Streicher, S.Trotsenko, M.v.Schmid, X.L.Yan, J.C.Zamora

Nuclear transfer reaction measurements at the ESR-for the investigation of the astrophysical 15O(α, γ)19Ne reaction

NUCLEAR REACTIONS 1H(20Ne, d), E=50 MeV/nucleon; measured reaction products; deduced energy levels, J, π. Comparison with available data.

doi: 10.1088/0031-8949/2015/T166/014007
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2015XU14      Chin.Phys.C 39, 104001 (2015)

X.Xu, M.Wang, Y.-H.Zhang, H.-S.Xu, P.Shuai, X.-L.Tu, Y.A.Litvinov, X.-H.Zhou, B.-H.Sun, Y.-J.Yuan, J.-W.Xia, J.-C.Yang, K.Blaum, R.-J.Chen, X.-C.Chen, C.-Y.Fu, Z.Ge, Z.-G.Hu, W.-J.Huang, D.-W.Liu, Y.-H.Lam, X.-W.Ma, R.-S.Mao, T.Uesaka, G.-Q.Xiao, Y.-M.Xing, T.Yamaguchi, Y.Yamaguchi, Q.Zeng, X.-L.Yan, H.-W.Zhao, T.-C.Zhao, W.Zhang, W.-L.Zhan

Direct mass measurements of neutron-rich 86Kr projectile fragments and the persistence of neutron magic number N=32 in Sc isotopes

ATOMIC MASSES 23F, 25Ne, 33Al, 36Si, 38P, 42,43Cl, 52,53,54Sc, 54,56Ti, 57,58V, 61Cr, 69Co; measured corrected revolution time spectrum; deduced mass excess values. Comparison with AME12 mass evaluation.

doi: 10.1088/1674-1137/39/10/104001
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2014GA14      Chin.Phys.C 38, 064001 (2014)

B.S.Gao, X.-H.Zhou, Y.-D.Fang, Y.-H.Zhang, M.-L.Liu, S.-C.Wang, J.-G.Wang, F.Ma, Y.-X.Guo, X.-G.Wu, C.-Y.He, Y.Zheng, Z.-M.Wang, X.-L.Yan, Z.-G.Wang, F.Fang

Identification of a 9/2-[505] isomer in the neutron-rich 193Os nucleus

NUCLEAR REACTIONS 192Os(7Li, 6Li), E=44 MeV; measured reaction products, Eγ, Iγ, X-rays, γ-γ-coin.; deduced isomeric state T1/2, level scheme, J, π. Nilsson orbitals.

doi: 10.1088/1674-1137/38/6/064001
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2014ME05      Phys.Rev. C 89, 054612 (2014)

B.Mei, H.S.Xu, X.L.Tu, Y.H.Zhang, Yu.A.Litvinov, K.-H.Schmidt, M.Wang, Z.Y.Sun, X.H.Zhou, Y.J.Yuan, M.V.Ricciardi, A.Kelic-Heil, R.Reifarth, K.Blaum, R.S.Mao, Z.G.Hu, P.Shuai, Y.D.Zang, X.W.Ma, X.Y.Zhang, J.W.Xia, G.Q.Xiao, Z.Y.Guo, J.C.Yang, X.H.Zhang, X.Xu, X.L.Yan, W.Zhang, W.L.Zhan

Origin of odd-even staggering in fragment yields: Impact of nuclear pairing and shell structure on the particle-emission threshold energy

NUCLEAR REACTIONS 9Be(78Kr, X), E=482.9 MeV/nucleon; measured reaction products, fragment yields, particle-emission threshold energies of Tz=-1/2 and +1/2, Z=8-31 nuclei using in-flight fragment separator and a storage ring facility at CSRe-HIRFL-Lanzhou; deduced odd-even staggering (OES) effect on yields of fragments, and impact of pairing and shell structure.

doi: 10.1103/PhysRevC.89.054612
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2014SH14      Phys.Lett. B 735, 327 (2014)

P.Shuai, H.S.Xu, X.L.Tu, Y.H.Zhang, B.H.Sun, M.Wang, Yu.A.Litvinov, K.Blaum, X.H.Zhou, J.J.He, Y.Sun, K.Kaneko, Y.J.Yuan, J.W.Xia, J.C.Yang, G.Audi, X.L.Yan, X.C.Chen, G.B.Jia, Z.G.Hu, X.W.Ma, R.S.Mao, B.Mei, Z.Y.Sun, S.T.Wang, G.Q.Xiao, X.Xu, T.Yamaguchi, Y.Yamaguchi, Y.D.Zang, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan

Charge and frequency resolved isochronous mass spectrometry and the mass of 51Co

ATOMIC MASSES 51Co, 34Ar; measured revolution frequencies; deduced mass excess values. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2014.06.046
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2014WA12      Phys.Rev. C 89, 044308 (2014)

Z.G.Wang, M.L.Liu, Y.H.Zhang, X.H.Zhou, S.Guo, J.G.Wang, X.G.Lei, Y.Zheng, Y.D.Fang, Y.H.Qiang, N.T.Zhang, B.Ding, G.S.Li, F.Ma, X.L.Yan, S.C.Wang, B.S.Gao, F.Fang, B.T.Hu, X.G.Wu, C.Y.He, Y.Zheng

High-spin level structures of the near-spherical nuclei 91-92Zr

NUCLEAR REACTIONS 82Se(13C, 3n), (13C, 4n), E=44 MeV; measured Eγ, Iγ, γγ-coin, γ(θ)(ADO ratio) using HI-13 tandem accelerator at CIAE facility. 91,92Zr; deduced high-spin levels, J, π, configurations. 88Sr core breaking Comparison of energy gap between p3/2 and p1/2 proton orbitals.

doi: 10.1103/PhysRevC.89.044308
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2013BO25      Phys.Scr. T156, 014025 (2013)

F.Bosch, D.R.Atanasov, C.Brandau, I.Dillmann, C.Dimopoulou, T.Faestermann, H.Geissel, S.Hagmann, P.-M.Hillenbrand, P.Kienle, R.Knobel, C.Kozhuharov, J.Kurcewicz, M.Lestinsky, S.A.Litvinov, Yu.A.Litvinov, X.Ma, F.Nolden, T.Ohtsubo, Z.Patyk, R.Reuschl, M.S.Sanjari, C.Scheidenberger, D.Shubina, U.Spillmann, M.Steck, T.Stohlker, B.Sun, M.Trassinelli, S.Trotsenko, X.L.Tu, H.Weick, N.Winckler, M.Winkler, D.F.A.Winters, T.Yamaguchi, X.L.Yan

Beta decay of highly charged ions

doi: 10.1088/0031-8949/2013/T156/014025
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2013YA03      Astrophys.J. 766, L8 (2013)

X.L.Yan, H.S.Xu, Yu.A.Litvinov, Y.H.Zhang, H.Schatz, X.L.Tu, K.Blaum, X.H.Zhou, B.H.Sun, J.J.He, Y.Sun, M.Wang, Y.J.Yuan, J.W.Xia, J.C.Yang, G.Audi, G.B.Jia, Z.G.Hu, X.W.Ma, R.S.Mao, B.Mei, P.Shuai, Z.Y.Sun, S.T.Wang, G.Q.Xiao, X.XU, T.Yamaguchi, Y.Yamaguchi, Y.D.Zang, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan

Mass Measurement of 45Cr and Its Impact on the Ca-Sc Cycle in X-Ray Bursts

ATOMIC MASSES 41Ti, 43V, 45Cr, 47Mn, 49Fe, 53Ni, 55Cu; measured revolution frequencies; deduced masses. Comparison with available data.

doi: 10.1088/2041-8205/766/1/L8
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2012GA46      Phys.Rev. C 86, 054310 (2012)

B.S.Gao, X.H.Zhou, Y.D.Fang, Y.H.Zhang, S.C.Wang, N.T.Zhang, M.L.Liu, J.G.Wang, F.Ma, Y.X.Guo, X.G.Wu, C.Y.He, Y.Zheng, Z.M.Wang, S.C.Li, X.L.Yan, L.He, Z.G.Wang, Y.Zheng, F.Fang, X.M.Chen

Nonaxial shapes in the odd-odd 194Au nucleus

NUCLEAR REACTIONS 192Os(7Li, 5n), E=44 MeV; measured Eγ, Iγ, γγ-, (x ray)-γ-coin, γγ(θ)(ADO) at CIAE facility. 194Au; deduced high-spin levels, J, π, multipolarity, bands, configurations. Comparison with total Routhian surface, and cranked shell-model calculations, and with band structures of 188,190,192Au.

doi: 10.1103/PhysRevC.86.054310
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2012WA06      Phys.Rev. C 85, 027301 (2012)

S.C.Wang, X.H.Zhou, Y.D.Fang, Y.H.Zhang, N.T.Zhang, B.S.Gao, M.L.Liu, J.G.Wang, F.Ma, Y.X.Guo, S.C.Li, X.L.Yan, L.He, Z.G.Wang, F.Fang, X.G.Wu, C.Y.He, Y.Zheng, Z.M.Wang, G.X.Dong, F.R.Xu

Level structure in the transitional nucleus 195Au

NUCLEAR REACTIONS 192Os(7Li, 4n), E=44 MeV; measured Eγ, Iγ, γγ-coin, γγ(t), γ(θ). 195Au; deduced levels, J, π, bands, configurations, triaxial deformation, 3qp states. 189,191,193,195,197Au; calculated total Routhian surface calculations. Comparison with level structures in 189,191,193Au.

doi: 10.1103/PhysRevC.85.027301
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2012ZH34      Phys.Rev.Lett. 109, 102501 (2012)

Y.H.Zhang, H.S.Xu, Yu.A.Litvinov, X.L.Tu, X.L.Yan, S.Typel, K.Blaum, M.Wang, X.H.Zhou, Y.Sun, B.A.Brown, Y.J.Yuan, J.W.Xia, J.C.Yang, G.Audi, X.C.Chen, G.B.Jia, Z.G.Hu, X.W.Ma, R.S.Mao, B.Mei, P.Shuai, Z.Y.Sun, S.T.Wang, G.Q.Xiao, X.Xu, T.Yamaguchi, Y.Yamaguchi, Y.D.Zang, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan

Mass Measurements of the Neutron-Deficient 41Ti, 45Cr, 49Fe, and 53Ni Nuclides: First Test of the Isobaric Multiplet Mass Equation in fp-Shell Nuclei

ATOMIC MASSES 41Ti, 45Cr, 49Fe, 53Ni; measured ion revolution time; deduced mass excess values, test for the isobaric multiplet mass equation in fp-shell nuclei. Shell model calculation, comparison with available data.

doi: 10.1103/PhysRevLett.109.102501
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2011FA07      Phys.Rev. C 83, 054323 (2011)

Y.D.Fang, Y.Shi, Y.H.Zhang, B.S.Gao, S.C.Wang, X.H.Zhou, M.L.Liu, J.G.Wang, F.Ma, Y.X.Guo, X.G.Wu, C.Y.He, Y.Zheng, Z.M.Wang, S.C.Li, X.L.Yan, L.He, Z.G.Wang, F.Fang, F.R.Xu

Properties of the πh11/2 band in the stable nucleus 193Ir

NUCLEAR REACTIONS 192Os(7Li, 2nα), E=44 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 193Ir; deduced levels, J, π, bands, staggering parameter, configurations. Systematics of energy levels and staggering parameter in 187,189,191,193Ir. 187,189,191,193Ir, 186,188,190,192Os; calculated total Routhian surfaces using nonaxial deformed Woods-Saxon potential in the framework of cranked shell model.

doi: 10.1103/PhysRevC.83.054323
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2011FA08      Phys.Rev. C 84, 017301 (2011)

Y.D.Fang, Y.H.Zhang, X.H.Zhou, M.L.Liu, J.G.Wang, Y.X.Guo, X.G.Lei, W.Hua, F.Ma, S.C.Wang, B.S.Gao, S.C.Li, X.L.Yan, L.He, Z.G.Wang, F.Fang, X.G.Wu, C.Y.He, Y.Zheng, Z.M.Wang, Y.Shi, F.R.Xu

Identification of high-spin states in the stable nucleus 195Pt

NUCLEAR REACTIONS 192Os(7Li, 3np), (7Li, 2nd), (7Li, nt), E=44 MeV; measured Eγ, Iγ, γγ(θ), (x ray)γ-, γγ-coin. 195Pt; deduced levels, J, π, bands, multipolarity. Systematics of level energies in 191,193,195Pt with reference to yrast g.s. members in 192,194,196Pt.

doi: 10.1103/PhysRevC.84.017301
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2011TU02      Phys.Rev.Lett. 106, 112501 (2011)

X.L.Tu, H.S.Xu M.Wang, Y.H.Zhang, Yu.A.Litvinov, Y.Sun, H.Schatz, X.H.Zhou, Y.J.Yuan, J.W.Xia, G.Audi, K.Blaum, C.M.Du, P.Geng, Z.G.Hu, W.X.Huang, S.L.Jin, L.X.Liu, Y.Liu, X.Ma, R.S.Mao, B.Mei, P.Shuai, Z.Y.Sun, H.Suzuki, S.W.Tang, J.S.Wang, S.T.Wang, G.Q.Xiao, X.Xu, T.Yamaguchi, Y.Yamaguchi, X.L.Yan, J.C.Yang, R.P.Ye, Y.D.Zang, H.W.Zhao, T.C.Zhao, X.Y.Zhang, W.L.Zhan

Direct Mass Measurements of Short-Lived A=2Z-1 Nuclides 63Ge, 65As, 67Se, and 71Kr and Their Impact on Nucleosynthesis in the rp Process

ATOMIC MASSES 63Ge, 65As, 67Se, 71Kr; measured ion time resolution; deduced mass excesses, proton separation energy. Comparison with AME03 and mirror nuclei, x-ray luminosity and mass number abundances calculations.

doi: 10.1103/PhysRevLett.106.112501
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2011TU09      Nucl.Instrum.Methods Phys.Res. A654, 213 (2011)

X.L.Tu, M.Wang, Yu.A.Litvinov, Y.H.Zhang, H.S.Xu, Z.Y.Sun, G.Audi, K.Blaum, C.M.Du, W.X.Huang, Z.G.Hu, P.Geng, S.L.Jin, L.X.Liu, Y.Liu, B.Mei, R.S.Mao, X.W.Ma, H.Suzuki, P.Shuai, Y.Sun, S.W.Tang, J.S.Wang, S.T.Wang, G.Q.Xiao, X.Xu, J.W.Xia, J.C.Yang, R.P.Ye, T.Yamaguchi, X.L.Yan, Y.J.Yuan, Y.Yamaguchi, Y.D.Zang, H.W.Zhao, T.C.Zhao, X.Y.Zhang, X.H.Zhou, W.L.Zhan

Precision isochronous mass measurements at the storage ring CSRe in Lanzhou

ATOMIC MASSES 33Cl, 35Ar, 37K, 39Ca, 41Sc, 45V, 47Cr, 49Mn, 51Fe, 53Co, 55Ni, 57Cu, 59Zn, 61Ga; measured revolution time spectra; deduced mass excess values. Comparison with available data.

doi: 10.1016/j.nima.2011.07.018
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