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The dynamic spin susceptibility, $\chi''(\omega)$, has been measured over the energy range of $2 \leq \omega \leq 10$ meV for overdoped La$_{2-x}$Sr$_{x}$CuO$_{4}$. Incommensurate (IC) spin excitations are observed at 8 K for all…

Superconductivity · Physics 2009-11-10 S. Wakimoto , H. Zhang , K. Yamada , I. Swainson , Hyunkyung Kim , R. J. Birgeneau

Search for the Cabibbo-suppressed decays $\Lambda_c^{+}\to\Sigma^0K^{+}\pi^{0}$ and $\Lambda_c^{+}\to\Sigma^0K^{+}\pi^{+}\pi^{-}$

Utilizing 4.5 $fb^-$ of $e^+e^-$ annihilation data collected at center-of-mass energies ranging from 4599.53 MeV to 4698.82 MeV by the BESIII detector at the BEPCII collider, we search for the singly Cabibbo-suppressed hadronic decays…

High Energy Physics - Experiment · Physics 2025-11-19 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , G. R. Che , Y. Z. Che , G. Chelkov , C. Chen , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. L. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Y. Q. Chen , Z. J. Chen , Z. K. Chen , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , X. B. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , K. L. Han , T. T. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , Q. P. Hu , S. L. 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Studying the onset of deconfinement at NA61/SHINE

The study of particle production in high-energy collisions of heavy ions offers a unique opportunity to explore the phase transition of strongly interacting matter. The NA61/SHINE experiment, a fixed-target setup located in the CERN SPS…

Nuclear Experiment · Physics 2025-08-26 Syed Uzair Ahmed Shah

Theoretical Study of Isotope Production in The Peripheral Heavy-ion Collision 136Xe + Pb at 1 GeV/nucleon

We have studied the fragment yields emitted from the fragmentation of excited projectile nuclei in peripheral collisions of 136Xe+Pb at 1 GeV/nucleon, and measured with the high-resolution magnetic spectrometer, the Fragment Separator (FRS)…

Nuclear Theory · Physics 2021-07-14 H. Imal , R. Ogul

Searching for the statistically equilibrated systems formed in heavy ion collisions

Further improvements and refinements are brought to the microcanonical multifragmentation model [Al. H. Raduta and Ad. R. Raduta, Phys. Rev. C {\bf 55}, 1344 (1997); {\it ibid.} {\bf 61}, 034611 (2000)]. The new version of the model is…

Nuclear Theory · Physics 2009-11-07 Al. H. Raduta , Ad. R. Raduta

Constancy of energy partition in central heavy-ion reactions at intermediate energies

Semiclassical transport simulation of nucleus-nucleus collisions for the range of incident energy from about the Fermi energy up to a few hundred MeV per nucleon evidences that the maximal excitation energy put into a nuclear system during…

Nuclear Experiment · Physics 2015-06-11 Z. Basrak , Ph. Eudes , M. Zorić , F. Sébille

First Measurements of the Electron Density Enhancements Expected in C-shocks

Magnetic precursors of C-shocks accelerate, compress and heat molecular ions, modifying the kinematics and the physical conditions of the ion fluid with respect to the neutral one. Electron densities are also expected to be significantly…

Astrophysics · Physics 2011-02-11 I. Jimenez-Serra , J. Martin-Pintado , S. Viti , S. Martin , A. Rodriguez-Franco , A. Faure , J. Tennyson

Dissipative Hydrodynamics and Heavy Ion Collisions

Recent discussions of RHIC data emphasized the exciting possibility that the matter produced in nucleus-nucleus collisions shows properties of a near-perfect fluid. Here, we aim at delineating the applicability of fluid dynamics, which is…

High Energy Physics - Phenomenology · Physics 2008-11-26 Rudolf Baier , Paul Romatschke , Urs Achim Wiedemann

Momentum distribution of fragments in heavy ion reactions: Dependence on the stochastic collision process

Momentum distribution of fragments produced in 12C+12C reaction at 28.7 MeV/nucleon is analyzed with antisymmetrized version of molecular dynamics (AMD). Calculations are made for several cases of stochastic collisions and the projectile…

Nuclear Theory · Physics 2008-11-26 A. Ono , H. Horiuchi , T. Maruyama , A. Ohnishi

Effect of neutron composition and excitation energy of primary fragments on isospin observables in multifragmentation

The isospin properties of primary and secondary fragments produced in multifragmentation of Fe + Ni and Fe + Fe systems with respect to Ni + Ni system are analyzed within the statistical multifragmentation model framework. The reduced…

Nuclear Experiment · Physics 2007-05-23 D. V. Shetty , A. S. Botvina , S. J. Yennello , A. Keksis , E. Martin , G. A. Souliotis

Some insights on the partonic collectivity in heavy-ion collisions

Elliptic flow and Number of Constituent Quarks scaling provide crucial insights into the underlying dynamics and degrees of freedom in heavy-ion collisions. This article provides some insights on the transition from hadronic to partonic…

Nuclear Theory · Physics 2025-05-16 Rajeev Singh

Effect of isospin dependent cross-section on nuclear stopping

Nuclear stopping in heavy ion collisions (HIC) has been studied by means of rapidity distribution and asymmetry of nucleon momentum distribution. It is an important quantity in determining the outcome of a reaction. Fen Fu {\it et al.,}…

Nuclear Theory · Physics 2011-12-15 Anupriya Jain , Suneel Kumar

Isospin Violation and Possible Signatures of Disoriented Chiral Condensates in Ultrarelativistic Heavy Ion Collisions

It is possible that isospin violating dynamical effects are amplified due to coherence if a disoriented chiral condensate (or other source of a coherent pion state) is formed in a heavy ion collison. It is shown explicitly that altering the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Thomas D. Cohen

SN 2014C: a metamorphic supernova exploded in the intricate and hydrogen-rich surroundings

We present photometric and spectroscopic observations of supernova (SN) 2014C, primarily emphasizing the initial month after the explosion at approximately daily intervals. During this time, it was classified as a Type Ib SN exhibiting a…

High Energy Astrophysical Phenomena · Physics 2024-12-10 Qian Zhai , Jujia Zhang , Weili Lin , Paolo Mazzali , Elena Pian , Stefano Benetti , Lina Tomasella , Jialian Liu , Liping Li

Evidence of spin-orbital angular momentum interactions in relativistic heavy-ion collisions

The first evidence of spin alignment of vector mesons ($K^{*0}$ and $\phi$) in heavy-ion collisions at the Large Hadron Collider (LHC) is reported. The spin density matrix element $\rho_{00}$ is measured at midrapidity ($|y| <$ 0.5) in…

Nuclear Experiment · Physics 2022-01-14 ALICE Collaboration

Probing the Scalar Sector: Discovery Reach for Heavy Higgs Pairs at a $\sqrt{s} = 6$ TeV Muon Collider in the 2HDM Alignment Limit

This study provides a comprehensive phenomenological investigation into the discovery potential of heavy Higgs boson pairs ($HH, HA, AA, H^+H^-$) at a $\sqrt{s}=6$~TeV Muon Collider. Utilizing the Two-Higgs-Doublet Model (2HDM) Type-I…

High Energy Physics - Phenomenology · Physics 2026-03-10 Ijaz Ahmed , M. Umar Farooq , Farzana Ahmad , Jamil Muhammad

Charge Separation Measurements in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7--200 GeV in Search of the Chiral Magnetic Effect

The chiral magnetic effect in heavy-ion collisions predicts a charge separation signal along a magnetic field, which indicates local $P$ and $CP$ violations in the quark-gluon plasma. We report measurements of electric charge separation…

Nuclear Experiment · Physics 2025-06-03 The STAR Collaboration

Study of Open Charm Production in p+p Collisions at $\sqrt(s)$ = 200 GeV

The dissertation presents the measurement of electrons from heavy flavor decays in proton + proton collisions at RHIC at collision energy $\sqrt(s) = 200$ GeV. Two independent analysis techniques of signal extraction were performed. This is…

High Energy Physics - Experiment · Physics 2009-09-29 Sergey A. Butsyk

Statistical multifragmentation features of midvelocity source in semiperipheral heavy-ion collisions

Some characteristics of midvelocity emissions in semiperipheral heavy-ion collisions at Fermi energies are discussed in the framework of a multifragmenting scenario. We report on binary dissipative collisions of 93Nb + 93Nb at 38AMeV in…

Nuclear Experiment · Physics 2009-05-29 G. Casini , S. Piantelli , P. R. Maurenzig , A. Olmi , A. S. Botvina

phi puzzle in heavy-ion collisions at 2 AGeV: how many K-from phi decays?

The preliminary experimental data on $\phi$ production in the reaction Ni(1.93 AGeV) + Ni point to a puzzling high $\phi$ yield which can not be reproduced with present transport codes. We survey the experimental situation and present…

Nuclear Theory · Physics 2016-09-08 B. Kampfer , R. Kotte , C. Hartnack , J. Aichelin