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Cross sections, beam asymmetries, and recoil polarisations for the reactions gamma p to K^+ Lambda ; gamma to K^+ Sigma^0, and gamma p to K^0 Sigma^+ have been measured by the SAPHIR, CLAS, and LEPS collaborations with high statistics and…

High Energy Physics - Experiment · Physics 2014-11-17 A. V. Sarantsev , V. A. Nikonov , A. V. Anisovich , E. Klempt , U. Thoma

The missing mass spectra for the $^{12}C(p, K^0_s)$ and $^{12}C(p,\Lambda)$ reactions have been studied by using of the propane bubble chamber(PBC) data from 700000 stereo photographs or $10^6$ inelastic interactions. The momentum spectrum…

High Energy Physics - Experiment · Physics 2012-02-07 P. Zh. Aslanyan

We study the effect of charged secondaries coming from resonance decay on the net-baryon, net-charge and net-strangeness fluctuations in high energy heavy-ion collisions within the hadron resonance gas (HRG) model. We emphasize the…

High Energy Physics - Phenomenology · Physics 2016-08-24 D. K. Mishra , P. Garg , P. K. Netrakanti , A. K. Mohanty

Higher moments of multiplicity fluctuations of hadrons produced in central nucleus-nucleus collisions are studied within the hadron-resonance gas model in the canonical ensemble. Exact conservation of three charges, baryon number, electric…

Nuclear Theory · Physics 2017-09-27 Jing-Hua Fu

The results of the WA97 collaboration for strange particle production at mid-rapidity in Pb--Pb collisions at 158 GeV A/c at CERN display a strong strangeness enhancement with system size at mid-rapidity which is dependent on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sahal Yacoob , Jean Cleymans

The 2m propane bubble chamber experimental data have been analyzed to search for an exotic baryon state, the $\Theta^+$ -baryon, in the $pK^0_s$ decay mode for the reaction p+$C_3H_8$ at 10 GeV/c. The $pK^0_s$ invariant mass spectrum shows…

High Energy Physics - Experiment · Physics 2008-11-26 P. Zh. Aslanyan , V. N. Emelyanenko , G. G. Rikhkvitzkaya

The Monte Carlo results in lattice QCD for the pressure and energy density at small temperature $T < 155$ MeV and zero baryonic chemical potential are analyzed within the hadron resonance gas model. Two extensions of the ideal hadron…

Nuclear Theory · Physics 2015-02-20 V. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

Recent lattice QCD results, comparing to a hadron resonance gas model, have shown the need for hundreds of particles in hadronic models. These extra particles influence both the equation of state and hadronic interactions within hadron…

High Energy Physics - Phenomenology · Physics 2022-07-21 J. Salinas San Martin , J. Noronha-Hostler , H. Elfner , J. Hammelmann , R. Hirayama

We perform a systematic analysis of exclusive hadronic channels in e+e- collisions at centre-of-mass energies between 2.1 and 2.6 GeV within the statistical hadronization model. Because of the low multiplicities involved, calculations have…

High Energy Physics - Phenomenology · Physics 2015-05-30 L. Ferroni , F. Becattini

The system-size dependence of hadrochemistry at vanishing baryon density is considered within the canonical statistical model (CSM) with local exact conservation of three conserved charges, allowing for a possibility of strangeness…

High Energy Physics - Phenomenology · Physics 2019-11-27 Volodymyr Vovchenko , Benjamin Dönigus , Horst Stoecker

The description of baryon resonance masses and decays in the constituent quark model is outlined, with emphasis on the potential-model approach combined with the 3P0 pair-creation model of strong decays. This approach allows the estimation…

Nuclear Theory · Physics 2007-05-23 Simon Capstick

Hagedorn states (HS) are a tool to model the hadronization process which occurs in the phase transition phase between the quark gluon plasma (QGP) and the hadron resonance gas (HRG). Their abundance is believed to appear near the Hagedorn…

High Energy Physics - Phenomenology · Physics 2015-06-22 M. Beitel , K. Gallmeister , C. Greiner

The pi+ pi- balance function in rapidity is computed in a thermal model with resonances. It is found that the correlations from the neutral-resonance decays are important, yielding about a half of the total contribution, which in general…

Nuclear Theory · Physics 2007-05-23 P. Bozek , W. Broniowski , W. Florkowski

We fit the single-hadron transverse-momentum spectra measured in Pb+Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV with the blast-wave model that includes production via resonance decays. Common fit to pions, kaons, (anti)protons, and lambdas…

Nuclear Theory · Physics 2015-12-24 Ivan Melo , Boris Tomasik

The data on average hadron multiplicities in central A+A collisions measured at CERN SPS are analysed with the ideal hadron gas model. It is shown that the full chemical equilibrium version of the model fails to describe the experimental…

High Energy Physics - Phenomenology · Physics 2011-09-13 F. Becattini , M. Gazdzicki , J. Sollfrank

Preliminary experimental data for particle number ratios in the collisions of Au+Au at the BNL AGS (11$A$ GeV/$c$) and Pb+Pb at the CERN SPS (160$A$ GeV/$c$) are analyzed in a thermodynamically consistent hadron gas model with excluded…

Nuclear Theory · Physics 2009-10-30 M. I. Gorenstein , H. Stoecker , G. D. Yen , S. N. Yang , W. Greiner

The evolution of a hadronic system after its chemical decomposition is described through a model that conserves the hadronic multiplicities to their values at chemical freeze-out. In the partition function describing the model all known…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. S. Kapoyannis

In a finite volume, resonances and multi-hadron states are identified by discrete energy levels. When comparing the results of lattice QCD calculations to scattering experiments, it is important to have a way of associating the energy…

High Energy Physics - Lattice · Physics 2015-03-20 J. M. M. Hall , A. C. -P. Hsu , D. B. Leinweber , A. W. Thomas , R. D. Young

Charge balance functions, which identify balancing particle-antiparticle pairs on a statistical basis, have been shown to be sensitive to whether hadronization is delayed by several fm/c in relativistic heavy ion collisions. Results from…

Nuclear Theory · Physics 2009-11-10 S. Cheng , C. Gale , S. Jeon , S. Petriconi , S. Pratt , M. Skoby , V. Topor Pop , Q. -H. Zhang

The analysis of the nine 1-fold differential cross sections for the $\gamma_{r,v} p \to \pi^+\pi^-p$ photo- and electroproduction reactions obtained with the CLAS detector at Jefferson Laboratory was carried out with the goal to establish…