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Probing effective nucleon masses with heavy-ion collisions

Jun 17, 2014

5 pages

Published in:

Phys.Rev.C 94 (2016) 1, 011601

Published: Jul 1, 2016

e-Print:

1406.4546 [nucl-ex]

DOI:

10.1103/PhysRevC.94.011601

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Abstract: (APS)

It has been generally accepted that momentum-dependent potentials for neutrons and protons at energies well away from the Fermi surface cause both to behave as if their inertial masses are effectively 70% of the vacuum values. This similarity in effective masses may no longer hold in dense neutron-rich regions within neutron stars, core-collapse supernovas, and nuclear collisions. There differences in the momentum-dependent symmetry potentials may cause neutron and proton effective masses to differ significantly. We investigate this effect by measuring the energy spectra of neutrons, protons, and charged particles emitted in Sn112+Sn112 and Sn124+Sn124 collisions at Ebeam/A=50 and 120 MeV with precision sufficient to distinguish, in principle, between effective interactions with very different values of the neutron and proton effective masses. These data and model comparisons point the way towards future advances in our capabilities to understand the density and momentum dependence of the nuclear symmetry energy.

Note:

6 pages, 2 figures

References(68)

Figures(2)

[1]

Isospin asymmetry in nuclei and neutron stars

Andrew W. Steiner
(
- Minnesota U. and
- Los Alamos
)
,
Madappa Prakash
(
- SUNY, Stony Brook
)
,
James M. Lattimer
(
- SUNY, Stony Brook
)
,
Paul J. Ellis
(
- Minnesota U.
)

- Phys.Rept. 411 (2005) 325-375
•
e-Print:
- nucl-th/0410066
•
DOI:
- 10.1016/j.physrep.2005.02.004

[2]

Explosion Mechanisms of Core-Collapse Supernovae

Hans-Thomas Janka
(
- Garching, Max Planck Inst.
)

- Ann.Rev.Nucl.Part.Sci. 62 (2012) 407-451
•
e-Print:
- 1206.2503
•
DOI:
- 10.1146/annurev-nucl-102711-094901

[3]

Supernova mechanisms

H.A. Bethe
(
- Cornell U., LNS
)

- Rev.Mod.Phys. 62 (1990) 801-866
•
DOI:
- 10.1103/RevModPhys.62.801

[4]

Surface symmetry energy

Pawel Danielewicz
(
- Michigan State U., NSCL
)

- Nucl.Phys.A 727 (2003) 233-268
•
e-Print:
- nucl-th/0301050
•
DOI:
- 10.1016/j.nuclphysa.2003.08.001

[5]

Symmetry Energy I: Semi-Infinite Matter

Pawel Danielewicz
(
)
,
Jenny Lee
(
- Michigan State U., NSCL and
- Michigan State U.
)

- Nucl.Phys.A 818 (2009) 36-96
•
e-Print:
- 0807.3743
•
DOI:
- 10.1016/j.nuclphysa.2008.11.007

[6]

Kaon and pion emission in asymmetric C+Au and Au+C collisions at 1.0A GeV and 1.8A GeV

A. Schmah
(
- Darmstadt, Tech. Hochsch.
)
,
S. Lang
(
- Darmstadt, Tech. Hochsch.
)
,
I. Bottcher
(
- Philipps U. Marburg
)
,
F. Dohrmann
(
- Forschungszentrum Dresden Rossendorf
)
,
A. Forster
(
- Darmstadt, Tech. Hochsch.
)

et al.

- Phys.Rev.C 71 (2005) 064907
•
DOI:
- 10.1103/PhysRevC.71.064907

[7]

Determination of the equation of state of dense matter

Pawel Danielewicz
(
- Michigan State U., NSCL and
- Michigan State U. and
- Darmstadt, GSI
)
,
Roy Lacey
(
- SUNY, Stony Brook, Chem. Dept.
)
,
William G. Lynch
(
- Michigan State U., NSCL and
- Michigan State U.
)

- Science 298 (2002) 1592-1596
•
e-Print:
- nucl-th/0208016
•
DOI:
- 10.1126/science.1078070

[8]

Probing the Symmetry Energy with Heavy Ions

et al.

- Prog.Part.Nucl.Phys. 62 (2009) 427
•
e-Print:
- 0901.0412
•
DOI:
- 10.1016/j.ppnp.2009.01.001

[9]

Neutron star structure and the equation of state

J.M. Lattimer
(
- SUNY, Stony Brook
)
,
M. Prakash
(
- SUNY, Stony Brook
)

- Astrophys.J. 550 (2001) 426
•
e-Print:
- astro-ph/0002232
•
DOI:
- 10.1086/319702

[10]

The nuclear equation of state and neutron star masses

James M. Lattimer
(
- SUNY, Stony Brook
)

- Ann.Rev.Nucl.Part.Sci. 62 (2012) 485-515
•
e-Print:
- 1305.3510
•
DOI:
- 10.1146/annurev-nucl-102711-095018

[11]

The Equation of State from Observed Masses and Radii of Neutron Stars

- Astrophys.J. 722 (2010) 33-54
•
e-Print:
- 1005.0811
•
DOI:
- 10.1088/0004-637X/722/1/33

[12]

Measurement of the Radius of Neutron Stars with High S/N Quiescent Low-mass X-ray Binaries in Globular Clusters

- Astrophys.J. 772 (2013) 7
•
e-Print:
- 1302.0023
•
DOI:
- 10.1088/0004-637X/772/1/7

[13]

Circumstantial Evidence for a Soft Nuclear Symmetry Energy at Suprasaturation Densities

Zhigang Xiao
(
- Tsinghua U., Beijing
)
,
Bao-An Li
(
- Texas A-M, Commerce
)
,
Lie-Wen Chen
(
- Shanghai Jiaotong U.
)
,
Gao-Chan Yong
(
- Lanzhou, Inst. Modern Phys.
)
,
Ming Zhang
(
- Tsinghua U., Beijing
)

- Phys.Rev.Lett. 102 (2009) 062502
•
e-Print:
- 0808.0186
•
DOI:
- 10.1103/PhysRevLett.102.062502

[14]

Symmetry energy from elliptic flow in $^{197}$ Au $+ ^{197}$ Au

P. Russotto
(
- INFN, LNS and
- Catania U.
)
,
P.Z. Wu
(
- Liverpool U.
)
,
M. Zoric
(
- Darmstadt, GSI and
- Boskovic Inst., Zagreb
)
,
M. Chartier
(
- Liverpool U.
)
,
Y. Leifels
(
- Darmstadt, GSI
)

et al.

- Phys.Lett.B 697 (2011) 471-476
•
e-Print:
- 1101.2361
•
DOI:
- 10.1016/j.physletb.2011.02.033

[15]

Chiral three-nucleon forces and neutron matter

K. Hebeler
(
- TRIUMF
)
,
A. Schwenk
(
- TRIUMF and
- Darmstadt, EMMI and
- Darmstadt, GSI and
- Darmstadt, Tech. Hochsch.
)

- Phys.Rev.C 82 (2010) 014314
•
e-Print:
- 0911.0483
•
DOI:
- 10.1103/PhysRevC.82.014314

[16]

The maximum mass and radius of neutron stars and the nuclear symmetry energy

S. Gandolfi
(
- Los Alamos
)
,
J. Carlson
(
- Los Alamos
)
,
Sanjay Reddy
(
- Los Alamos and
- Washington U., Seattle
)

- Phys.Rev.C 85 (2012) 032801
•
e-Print:
- 1101.1921
•
DOI:
- 10.1103/PhysRevC.85.032801

[17]

Neutron radii and the neutron equation of state in relativistic models

- Phys.Rev.C 64 (2001) 2, 027302
•
DOI:
- 10.1103/PhysRevC.64.027302

[18]

Density slope of the nuclear symmetry energy from the neutron skin thickness of heavy nuclei

Lie-Wen Chen
(
- Natl. Lab. Heavy Ion Accel., Lanzhou and
- Shanghai Jiaotong U.
)
,
Che Ming Ko
(
- Texas A-M and
- Texas A-M, Cyclotron Inst.
)
,
Bao-An Li
(
- Texas A-M, Commerce
)
,
Jun Xu
(
- Texas A-M and
- Texas A-M, Cyclotron Inst.
)

- Phys.Rev.C 82 (2010) 024321
•
e-Print:
- 1004.4672
•
DOI:
- 10.1103/PhysRevC.82.024321

[19]

Neutron star structure and the neutron radius of Pb-208

C.J. Horowitz
(
- Indiana U.
)
,
J. Piekarewicz
(
- Florida State U.
)

- Phys.Rev.Lett. 86 (2001) 5647
•
e-Print:
- astro-ph/0010227
•
DOI:
- 10.1103/PhysRevLett.86.5647

[20]

The Giant Dipole Resonance as a quantitative constraint on the symmetry energy

Luca Trippa
(
- Milan U. and
- INFN, Milan
)
,
Gianluca Colo
(
- Milan U. and
- INFN, Milan
)
,
Enrico Vigezzi
(
- Milan U. and
- INFN, Milan
)

- Phys.Rev.C 77 (2008) 061304
•
e-Print:
- 0802.3658
•
DOI:
- 10.1103/PhysRevC.77.061304

[21]

Nuclear symmetry energy and neutron skins derived from pygmy dipole resonances

A. Klimkiewicz
(
- Darmstadt, GSI and
- Jagiellonian U.
)
,
N. Paar
(
- Zagreb U.
)
,
P. Adrich
(
- Darmstadt, GSI and
- Jagiellonian U.
)
,
M. Fallot
(
- Darmstadt, GSI
)
,
K. Boretzky
(
- Darmstadt, GSI
)

et al.

- Phys.Rev.C 76 (2007) 051603
•
DOI:
- 10.1103/PhysRevC.76.051603

[22]

Constraints on the symmetry energy and on neutron skins from the pygmy resonances in 68Ni and 132Sn

Andrea Carbone
(
- Milan U.
)
,
Gianluca Colo
(
- Milan U. and
- INFN, Milan
)
,
Angela Bracco
(
- Milan U. and
- INFN, Milan
)
,
Li-Gang Cao
(
- Milan U. and
- INFN, Milan and
- Lanzhou, Inst. Modern Phys. and
- Natl. Lab. Heavy Ion Accel., Lanzhou
)
,
Pier Francesco Bortignon
(
- Milan U. and
- INFN, Milan
)

et al.

- Phys.Rev.C 81 (2010) 041301
•
e-Print:
- 1003.3580
•
DOI:
- 10.1103/PhysRevC.81.041301

[23]

Measurement of the Neutron Radius of 208Pb Through Parity-Violation in Electron Scattering

S. Abrahamyan
(
- Yerevan Phys. Inst.
)
,
Z. Ahmed
(
- Syracuse U.
)
,
H. Albataineh
(
- Clermont-Ferrand U.
)
,
K. Aniol
(
- Cal State, L.A.
)
,
D.S. Armstrong
(
- William-Mary Coll.
)

et al.

- Phys.Rev.Lett. 108 (2012) 112502
•
e-Print:
- 1201.2568
•
DOI:
- 10.1103/PhysRevLett.108.112502

[24]

Neutron and Proton Transverse Emission Ratio Measurements and the Density Dependence of the Asymmetry Term of the Nuclear Equation of State

M.A. Famiano
(
- Western Michigan U.
)
,
T. Liu
(
- Michigan State U., NSCL
)
,
W.G. Lynch
(
- Michigan State U., NSCL
)
,
A.M. Rogers
(
- Michigan State U., NSCL
)
,
M.B. Tsang
(
- Michigan State U., NSCL
)

et al.

- Phys.Rev.Lett. 97 (2006) 052701
•
e-Print:
- nucl-ex/0607016
•
DOI:
- 10.1103/PhysRevLett.97.052701

[25]

Isospin Diffusion and the Nuclear Symmetry Energy in Heavy Ion Reactions

- Phys.Rev.Lett. 92 (2004) 062701
•
DOI:
- 10.1103/PhysRevLett.92.062701

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