NA61/SHINE Collaboration

Aduszkiewicz, A.; Ali, Y.; Andronov, Evgeny; Antičić, T.; Baatar, B.; Baszczyk, M.; Bhosale, S.; Blondel, A.; Bogomilov, M.; Brandin, A. V.; Bravar, A.; Brzychczyk, J.; Bunyatov, S.A.; Busygina, O.; Bzdak, Adam; Cherif, H.; Ćirković, M.; Czopowicz, T.; Damyanova, A.; Davis, N.; Deveaux, M.; Dominik, W.; Dorosz, P.; Dumarchez, J.; Engel, R.; Ereditato, A.; Феофилов, Г.; Fodor, Z.; François, C.; Гарибов, А. А.; Gaździcki, M.; Golubeva, M.; Grebieszkow, K.; Guber, F.; Haesler, A.; Hervé, A. E.; Hylen, J.; Igolkin, S. N.; Ivashkin, A.; Johnson, S.; Kadija, K.; Kaptur, E.; Kielbowicz, M. M.; Kireyeu, V. A.; Klochkov, V. P.; Колесников, В. И.; Kolev, D.; Korzenev, A.; Коваленко, В.; Kowalik, K.; Kowalski, S.; Kozieł, M.; Krasnoperov, A.; Kucewicz, W.; Kuich, M.; Kurepin, A.; Larsen, D.; László, Á.; Lazareva, T.; Lewicki, Maciej Piotr; Lundberg, B.; Łysakowski, B.; Lyubushkin, V.; Maćkowiak-Pawłowska, M.; Maksiak, B.; Malakhov, A.; Manić, D.; Marchionni, A.; Marcinek, A.; Marino, A. D.; Márton, K.; Mathes, H. J.; Matulewicz, T.; Matveev, V.; Melkumov, G. L.; Merzlaya, A. O.; Messerly, B.; Mik, Ł.; Mills, G. B.; Morozov, S. V.; Mrówczyński, S.; Nagai, Y.; Naskręt, M.; Ozvenchuk, V.; Paolone, V.; Pavin, M.; Petukhov, O.; Pistillo, C.; Płaneta, R.; Podlaski, P.; Popov, Б.; Posiadała, M.; Puławski, S.; Puzović, J.; Rameika, R.; Rauch, W.; Ravonel, M.; Renfordt, R.; Richter-Wąs, E.; Röhrich, D.; Rondio, E.; Roth, M.; Rumberger, B. T.; Rustamov, A.; Rybczyński, M.; Rybicki, A.; Sadovsky, A.; Schmidt, K.; Selyuzhenkov, I.; Seryakov, A. Yu.; Seyboth, P.; Słodkowski, M.; Snoch, A.; Staszel, P.; Stefanek, G.; Steṕaniak, J.; Strikhanov, M.; Ströbele, H.; Šuša, T.; Taranenko, A.; Tefelska, A.; Tefelski, D.; Терещенко, В.; Toia, A.; Tsenov, R.; Turko, L.; Ulrich, R.; Unger, Michael; Валиев, Ф. Ф.; Veberič, D.; Vechernin, V.; Walewski, M.; Wickremasinghe, A.; Wilkinson, C.; Włodarczyk, Z.; Wojtaszek-Szwarć, A.; Wyszyński, O.; Zambelli, L.; Zimmerman, E. D.; Zwaska, R.

doi:10.1016/s0375-9474(17)30381-0

Cited by 31 publications

(58 citation statements)

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“…The antiproton Figure 16. Rapidity spectra of antiprotons in proton-proton collisions at √ s = 17.27 GeV for different values of λ diquark compared to experimental data [50]. multiplicity is very low, resulting in a small diquark suppression factor and a value of λ diquark = 0.036 yields the best agreement with the measured antiproton rapidity spectrum.…”

Section: Diquark Productionmentioning

confidence: 65%

“…The rapidity spectrum is therefore only well Figure 18. Rapidity spectra of (anti)protons, positively and negatively charged pions and kaons at different collision energies compared to experimental data [50].…”

Section: Proton+proton Results Overviewmentioning

confidence: 99%

“…Left: x F distribution of protons in proton-proton collisions at √ s = 17.27 GeV for different values of b leading compared to experimental data[46]. Right: Rapidity spectra of negatively charged pions in proton-proton collisions at √ s = 17.27 GeV for different values of b leading compared to experimental data[50].The effect on the longitudinal momentum distribution of protons and pions of changing the value of a leading in the fragmentation function for the leading baryons from soft non-diffractive string processes is shown infigure 8. The main difference in the a = 0.1, b = 2.0 GeV −2 a = 0.2, b = 2.0 GeV −2 a = 0.5, b = 2.0 GeV −2 a = 1.0, b = 2.0 GeV −x F distribution of protons in proton-proton collisions at √ s = 17 GeV for different values of a leading compared to experimental data [46] (left) and the fragmentation functions for protons with a transverse momentum of p T = 0.5 GeV used for the respective calculations (right).…”

mentioning

confidence: 99%

“…plab = 158 GeV bstring = 0.4 GeV −2 bstring = 0.55 GeV −2 bstring = 0.7 GeV −Rapidity spectra of positively (left) and negatively (right) charged pions in proton-proton collisions at √ s = 17.27 GeV for different values of b string compared to experimental data[50]. x F distributions of protons (left) and positively charged pions (right) in proton-proton collisions at √ s = 17.27 GeV compared to experimental data[46,49].…”

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confidence: 99%

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Particle production via strings and baryon stopping within a hadronic transport approach

Mohs

Ryu

Elfner

2020

J. Phys. G: Nucl. Part. Phys.

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The stopping of baryons in heavy ion collisions at beam momenta of p lab = 20 − 160A GeV is lacking a quantitative description within theoretical calculations. Heavy ion reactions at these energies are experimentally explored at the Super Proton Synchrotron (SPS) and the Relativistic Heavy Ion Collider (RHIC) and will be studied at future facilities such as FAIR and NICA. Since the net baryon density is determined by the amount of stopping, this is the pre-requisiste for any investigation of other observables related to structures in the QCD phase diagram such as a first-order phase transition or a critical endpoint. In this work we employ a string model for treating hadron-hadron interactions within a hadronic transport approach (SMASH, Simulating Many Accelerated Strongly-interacting Hadrons). Free parameters of the string excitation and decay are tuned to match experimental measurements in elementary proton-proton collisions. Afterwards, the model is applied to heavy ion collisions, where the experimentally observed change of the shape of the proton rapidity spectrum from a single peak structure to a double peak structure with increasing beam energy is reproduced. Heavy ion collisions provide the opportunity to study the formation process of string fragments in terms of formation times and reduced interaction cross-sections for pre-formed hadrons. A good agreement with the measured rapidity spectra of protons and pions is achieved while insights on the fragmentation process are obtained. In the future, the presented approach can be used to create event-by-event initial conditions for hybrid calculations.

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Section: Diquark Productionmentioning

confidence: 65%

Section: Proton+proton Results Overviewmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Particle production via strings and baryon stopping within a hadronic transport approach

Mohs

Ryu

Elfner

2020

J. Phys. G: Nucl. Part. Phys.

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“…The peak appears in the ratio of positive charged kaons and pions at the collision energy √ s N N ∼ 7-10 GeV for the high-size systems in Au+Au and Pb+Pb collisions [1,2]. With decreasing system size, the sharp peak becomes lower and for Be+Be, p+p collisions the ratio demonstrates smooth behaviour [3].…”

Section: Introductionmentioning

confidence: 98%

Role of the Chiral Phase Transition in Modelling the Kaon-to-Pion Ratio

2020

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A sharp peak in the K + /π + ratio in relativistic heavy-ion collision is discussed in the framework of the SU(3) Polyakov-loop extended NJL model with vector interaction. In the model, the K + /π + ratio was calculated along the chiral phase transition line for different values of the vector coupling gV . We showed that the value of the vector coupling had no significant effect on the K + /π + behaviour.

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AAfrag: Interpolation routines for Monte Carlo results on secondary production in proton–proton, proton–nucleus and nucleus–nucleus interactions

Kachelrieß

Moskalenko

Ostapchenko

2019

Computer Physics Communications

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We provide a compilation of predictions of the QGSJET-II-04m model for the production of secondary species (photons, neutrinos, electrons, positrons, and antinucleons) that are covering a wide range of energies of the beam particles in proton-proton, proton-nucleus, nucleus-proton, and nucleus-nucleus reactions. The current version of QGSJET-II-04m has an improved treatment of the production of secondary particles at low energies: the parameters of the hadronization procedure have been fine-tuned, based on a number of recent benchmark experimental data, notably, from the LHCf, LHCb, and NA61 experiments. Our results for the production spectra are made publicly accessible through the interpolation routines AAfrag which are described below. Besides, we comment on the impact of Feynman scaling violation and isospin symmetry effects on antinucleon production.

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NA61/SHINE Collaboration

Cited by 31 publications

References 0 publications

Particle production via strings and baryon stopping within a hadronic transport approach

Particle production via strings and baryon stopping within a hadronic transport approach

Role of the Chiral Phase Transition in Modelling the Kaon-to-Pion Ratio

AAfrag: Interpolation routines for Monte Carlo results on secondary production in proton–proton, proton–nucleus and nucleus–nucleus interactions

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