☆ 4.5 Article

Helicity separation in heavy-ion collisions

PHYSICAL REVIEW C (2013)

Journal

PHYSICAL REVIEW C

Volume 88, Issue 6, Pages -

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AMER PHYSICAL SOC

DOI: 10.1103/PhysRevC.88.061901

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Physics, Nuclear

Funding

Russian Foundation for Basic Research [11-02-01538-a]

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Abstract

We study the P-odd effects related to the vorticity of the medium formed in noncentral heavy-ion collisions. Using the kinetic quark-gluon strings model, we perform numerical simulations of the vorticity and hydrodynamical helicity for various atomic numbers, energies, and centralities. We observed vortical structures typically occupy the relatively small fraction of the fireball volume. In the course of numerical simulations, the noticeable hydrodynamical helicity was observed to manifest specific mirror behavior with respect to the reaction plane. The effect is maximal at the Nuclotron based Ion Collider fAcility and Facility for Antiproton and Ion Research in Europe energy range.

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Kondratyeva, E. Kondratyuk, J. Konig, S. A. Konigstorfer, P. J. Konopka, G. Kornakov, S. D. Koryciak, A. Kotliarov, O. Kovalenko, V Kovalenko, M. Kowalski, I Kralik, L. Kreis, M. Krivda, F. Krizek, K. Krizkova Gajdosova, M. Kroesen, M. Krueger, D. M. Krupova, E. Kryshen, M. Krzewicki, C. Kuhn, P. G. Kuijer, T. Kumaoka, D. Kumar, L. Kumar, N. Kumar, S. Kundu, P. Kurashvili, A. Kurepin, A. B. Kurepin, A. Kuryakin, S. Kushpil, J. Kvapil, M. J. Kweon, J. Y. Kwon, Y. Kwon, S. L. La Pointe, P. La Rocca, Y. S. Lai, A. Lakrathok, M. Lamanna, R. Langoy, P. Larionov, E. Laudi, L. Lautner, R. Lavicka, T. Lazareva, R. Lea, J. Lehrbach, R. C. Lemmon, I. Leon Monzon, M. M. Lesch, E. D. Lesser, M. Lettrich, P. Levai, X. Li, X. L. Li, J. Lien, R. Lietava, B. Lim, S. H. Lim, V Lindenstruth, A. Lindner, C. Lippmann, A. Liu, D. H. Liu, J. Liu, I. M. Lofnes, V Loginov, C. Loizides, P. Loncar, J. A. Lopez, X. Lopez, E. Lopez Torres, J. R. Luhder, M. Lunardon, G. Luparello, Y. G. Ma, A. Maevskaya, M. Mager, T. Mahmoud, A. Maire, M. Malaev, N. M. Malik, Q. W. Malik, S. K. Malik, L. Malinina, D. Mal'Kevich, D. Mallick, N. Mallick, G. Mandaglio, V Manko, F. Manso, V Manzari, Y. Mao, G. Margagliotti, A. Margotti, A. Marin, C. Markert, M. Marquard, N. A. Martin, P. Martinengo, J. L. Martinez, M. Martinez, G. Martinez Garcia, S. Masciocchi, M. Masera, A. Masoni, L. Massacrier, A. Mastroserio, A. M. Mathis, O. Matonoha, P. F. T. Matuoka, A. Matyja, C. Mayer, A. L. Mazuecos, F. Mazzaschi, M. Mazzilli, J. E. Mdhluli, A. F. Mechler, Y. Melikyan, A. Menchaca-Rocha, E. Meninno, A. S. Menon, M. Meres, S. Mhlanga, Y. Miake, L. Micheletti, L. C. Migliorin, D. L. Mihaylov, K. Mikhaylov, A. N. Mishra, D. Miskowiec, A. Modak, A. P. Mohanty, B. Mohanty, M. Mohisin Khan, M. A. Molander, Z. Moravcova, C. Mordasini, D. A. Moreira De Godoy, I Morozov, A. Morsch, T. Mrnjavac, V Muccifora, E. Mudnic, D. Muhlheim, S. Muhuri, J. D. Mulligan, A. Mulliri, M. G. Munhoz, R. H. Munzer, H. Murakami, S. Murray, L. Musa, J. Musinsky, J. W. Myrcha, B. Naik, R. Nair, B. K. Nandi, R. Nania, E. Nappi, A. F. Nassirpour, A. Nath, C. Nattrass, T. K. Nayak, R. Nayak, A. Neagu, A. Negru, L. Nellen, S. Nesbo, G. Neskovic, D. Nesterov, B. S. Nielsen, E. G. Nielsen, S. Nikolaev, S. Nikulin, V Nikulin, F. Noferini, S. Noh, P. Nomokonov, J. Norman, N. Novitzky, P. Nowakowski, A. Nyanin, J. Nystrand, M. Ogino, A. Ohlson, V. A. Okorokov, J. Oleniacz, A. C. Oliveira Da Silva, M. H. Oliver, A. Onnerstad, C. Oppedisano, A. Ortiz Velasquez, T. Osako, A. Oskarsson, J. Otwinowski, M. Oya, K. Oyama, Y. Pachmayer, S. Padhan, D. Pagano, A. Palasciano, S. Panebianco, J. Park, J. E. Parkkila, S. P. Pathak, R. N. Patra, B. Paul, H. Pei, T. Peitzmann, X. Peng, L. G. Pereira, H. Pereira Da Costa, D. Peresunko, G. M. Perez, S. Perrin, Y. Pestov, V. Petracek, V Petrov, M. Petrovici, R. P. Pezzi, S. Piano, M. Pikna, P. Pillot, O. Pinazza, L. Pinsky, C. Pinto, S. Pisano, M. Planinic, F. Pliquett, M. G. Poghosyan, B. Polichtchouk, S. Politano, N. Poljak, A. Pop, S. Porteboeuf-Houssais, J. Porter, V Pozdniakov, S. K. Prasad, R. Preghenella, F. Prino, C. A. Pruneau, I Pshenichnov, M. Puccio, S. Qiu, L. Quaglia, R. E. Quishpe, S. Ragoni, A. Rakotozafindrabe, L. Ramello, F. Rami, S. A. R. Ramirez, T. A. Rancien, R. Raniwala, S. Raniwala, S. S. Rasanen, R. Rath, I Ravasenga, K. F. Read, A. R. Redelbach, K. Redlich, A. Rehman, P. Reichelt, F. Reidt, H. A. Reme-ness, Z. Rescakova, K. Reygers, A. Riabov, V Riabov, T. Richert, M. Richter, W. Riegler, F. Riggi, C. Ristea, M. Rodriguez Cahuantzi, K. Roed, R. Rogalev, E. Rogochaya, T. S. Rogoschinski, D. Rohr, D. Rohrich, P. F. Rojas, S. Rojas Torres, P. S. Rokita, F. Ronchetti, A. Rosano, E. D. Rosas, A. Rossi, A. Roy, P. Roy, S. Roy, N. Rubini, O. Rueda, D. Ruggiano, R. Rui, B. Rumyantsev, P. G. Russek, R. Russo, A. Rustamov, E. Ryabinkin, Y. Ryabov, A. Rybicki, H. Rytkonen, W. Rzesa, O. A. M. Saarimaki, R. Sadek, S. Sadovsky, J. Saetre, K. Safarik, S. K. Saha, S. Saha, B. Sahoo, P. Sahoo, R. Sahoo, S. Sahoo, D. Sahu, P. K. Sahu, J. Saini, S. Sakai, M. P. Salvan, S. Sambyal, T. B. Saramela, D. Sarkar, N. Sarkar, P. Sarma, V. M. Sarti, M. H. P. Sas, J. Schambach, H. S. Scheid, C. Schiaua, R. Schicker, A. Schmah, C. Schmidt, H. R. Schmidt, M. O. Schmidt, M. Schmidt, N. Schmidt, A. R. Schmier, R. Schotter, J. Schukraft, K. Schwarz, K. Schweda, G. Scioli, E. Scomparin, J. E. Seger, Y. Sekiguchi, D. Sekihata, I Selyuzhenkov, S. Senyukov, J. J. Seo, D. Serebryakov, L. Serksnyte, A. Sevcenco, T. J. Shaba, A. Shabanov, A. Shabetai, R. Shahoyan, W. Shaikh, A. Shangaraev, A. Sharma, H. Sharma, M. Sharma, N. Sharma, S. Sharma, U. Sharma, A. Shatat, O. Sheibani, K. Shigaki, M. Shimomura, S. Shirinkin, Q. Shou, Y. Sibiriak, S. Siddhanta, T. Siemiarczuk, T. F. Silva, D. Silvermyr, T. Simantathammakul, G. Simonetti, B. Singh, R. Singh, R. Singh, R. Singh, V. K. Singh, V Singhal, T. Sinha, B. Sitar, M. Sitta, T. B. Skaali, G. Skorodumovs, M. Slupecki, N. Smirnov, R. J. M. Snellings, C. Soncco, J. Song, A. Songmoolnak, F. Soramel, S. Sorensen, I Sputowska, J. Stachel, I Stan, P. J. Steffanic, S. F. Stiefelmaier, D. Stocco, I Storehaug, M. M. Storetvedt, P. Stratmann, S. Strazzi, C. P. Stylianidis, A. A. P. Suaide, C. Suire, M. Sukhanov, M. Suljic, R. Sultanov, V Sumberia, S. Sumowidagdo, S. Swain, A. Szabo, I Szarka, U. Tabassam, S. F. Taghavi, G. Taillepied, J. Takahashi, G. J. Tambave, S. Tang, Z. Tang, J. D. Tapia Takaki, N. Tapus, M. G. Tarzila, A. Tauro, G. Tejeda Munoz, A. Telesca, L. Terlizzi, C. Terrevoli, G. Tersimonov, S. Thakur, D. Thomas, R. Tieulent, A. Tikhonov, A. R. Timmins, M. Tkacik, A. Toia, N. Topilskaya, M. Toppi, F. Torales-Acosta, T. Tork, A. G. Torres Ramos, A. Trifiro, A. S. Triolo, S. Tripathy, T. Tripathy, S. Trogolo, V Trubnikov, W. H. Trzaska, T. P. Trzcinski, A. Tumkin, R. Turrisi, T. S. Tveter, K. Ullaland, A. Uras, M. Urioni, G. L. Usai, M. Vala, N. Valle, S. Vallero, L. V. R. van Doremalen, M. van Leeuwen, P. Vande Vyvre, D. Varga, Z. Varga, M. Varga-Kofarago, M. Vasileiou, A. Vasiliev, O. Vazquez Doce, V. Vechernin, A. Velure, E. Vercellin, S. Vergara Limon, L. Vermunt, R. Vertesi, M. Verweij, L. Vickovic, Z. Vilakazi, O. Villalobos Baillie, G. Vino, A. Vinogradov, T. Virgili, V. Vislavicius, A. Vodopyanov, B. Volkel, M. A. Volkl, K. Voloshin, S. A. Voloshin, G. Volpe, B. von Haller, I Vorobyev, N. Vozniuk, J. Vrlakova, B. Wagner, C. Wang, D. Wang, M. Weber, R. J. G. Weelden, A. Wegrzynek, S. C. Wenzel, J. P. Wessels, S. L. Weyhmiller, J. Wiechula, J. Wikne, G. Wilk, J. Wilkinson, G. A. Willems, B. Windelband, M. Winn, W. E. Witt, J. R. Wright, W. Wu, Y. Wu, R. Xu, A. K. Yadav, S. Yalcin, Y. Yamaguchi, K. Yamakawa, S. Yang, S. Yano, Z. Yin, I-K Yoo, J. H. Yoon, S. Yuan, A. Yuncu, V Zaccolo, C. Zampolli, H. J. C. Zanoli, F. Zanone, N. Zardoshti, A. Zarochentsev, P. Zavada, N. Zaviyalov, M. Zhalov, B. Zhang, S. Zhang, X. Zhang, Y. Zhang, V Zherebchevskii, Y. Zhi, N. Zhigareva, D. Zhou, Y. Zhou, J. Zhu, Y. Zhu, G. Zinovjev, N. Zurlo

Summary: We present the first measurement of event-by-event fluctuations in the kaon sector in Pb-Pb collisions at root S-NN = 2.76 TeV with the ALICE detector at the LHC. Our results show the magnitude of fluctuations of the relative yields of neutral and charged kaons, as well as the relative yields of charged kaons, as a function of collision centrality and selected kinematic ranges. Comparison with predictions and further discussion suggest a possible production of disoriented chiral condensates in central Pb-Pb collisions.

PHYSICS LETTERS B (2022)

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Article Astronomy & Astrophysics

Interpreting the charge-dependent flow and constraining the chiral magnetic wave with event shape engineering

Chun-Zheng Wang, Wen-Ya Wu, Qi-Ye Shou, Guo-Liang Ma, Yu-Gang Ma, Song Zhang

Summary: The study discusses the influence of charge asymmetry on anisotropic flow using two models, and proposes a new method using Event Shape Engineering to distinguish signal from background.

PHYSICS LETTERS B (2021)

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Article Physics, Multidisciplinary

Evidence of Quadrupole and Octupole Deformations in 96Zr + 96Zr and 96Ru + 96Ru Collisions at Ultrarelativistic Energies

Chunjian Zhang, Jiangyong Jia

Summary: In the hydrodynamic model description of heavy-ion collisions, the elliptic flow and triangular flow are found to be sensitive to the deformation of the colliding nuclei. Recent experiments confirmed the relation between flow and deformation in collisions involving Ru-96 and Zr-96 nuclei. It was discovered that measurements of flow in high-energy, heavy-ion collisions can provide valuable information about nuclear structure physics.

PHYSICAL REVIEW LETTERS (2022)

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Article Physics, Nuclear

Accounting for nonvanishing net-charge with unified balance functions

Claude Pruneau, Victor Gonzalez, Brian Hanley, Ana Marin, Sumit Basu

Summary: The use of charge balance functions in heavy-ion collision studies was initially proposed as a probe of delayed hadronization and two-stage quark production in these collisions. It later emerged that general balance functions can also serve as a probe of the diffusivity of light quarks as well as the evolution of the systems formed in heavy-ion collisions. In this work, we reexamine the formulation of general balance functions and consider how to best define and measure these correlation functions in terms of differences of conditional densities of unlike-sign and like-sign particle pairs. We define general balance functions in terms of associated particle functions and show that these obey a simple sum rule. We additionally proceed to distinguish between balance functions expressed as differences of conditional densities valid irrespective of experimental acceptance boundaries and bound balance functions that explicitly account for the limited acceptance of experiments. General balance functions are additionally extended to accommodate strange, baryon, as well as charm and bottom quantum numbers based on the densities of these quantum numbers.

PHYSICAL REVIEW C (2023)

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Article Astronomy & Astrophysics

Enhancements of electron-positron pair production at very low transverse momentum in peripheral hadronic A plus A collisions

M. C. Guclu, M. Yilmaz Sengul

Summary: The STAR collaboration has observed an excess production of electron-positron pairs with low transverse momenta in gold-gold and uranium-uranium collisions, suggesting coherent photon-photon interactions in ultra-peripheral collisions. However, the current models are unable to explain this excess phenomenon.

PHYSICS LETTERS B (2023)

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Article Astronomy & Astrophysics

Transverse expansion of (1+2) dimensional magneto-hydrodynamics flows with longitudinal boost invariance

A. Emamian, A. F. Kord, A. Ghaani, B. Azadegan

Summary: In this study, we investigate the effects of the magnetic field on the expansion of hot and dense nuclear matter. By considering an inhomogeneous magnetic field generated by external sources, we examine the (1 + 2) dimensional longitudinally boost-invariant fluid expansion in a specific case. Our results depict the space-time evolution of the transverse expansion of the fluid in the presence of an inhomogeneous external magnetic field.

PHYSICS LETTERS B (2022)

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Article Astronomy & Astrophysics

Spin polarization dynamics in the non-boost-invariant background

Wojciech Florkowski, Radoslaw Ryblewski, Rajeev Singh, Gabriel Sophys

Summary: The evolution of spin polarization in the framework of hydrodynamics reveals that the nonboost invariant flow in the system leads to coupling between spin polarization components, impacting observables. The study of mean spin polarization vector for ? hyperons shows qualitative agreement with experiments and other models in terms of rapidity dependence of global spin polarization, with the absence of quadrupole structure in the longitudinal component at midrapidity. However, some nontrivial signals at forward rapidities are observed in comparison to results for Bjorken expansion.

PHYSICAL REVIEW D (2022)

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Article Mathematics, Applied

Bruhat order in the Toda system on so(2,4): An example of non-split real form

Yu. B. Chernyakov, G. I. Sharygin, A. S. Sorin

JOURNAL OF GEOMETRY AND PHYSICS (2019)

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Article Physics, Nuclear

Multi-Purpose Detector to study heavy-ion collisions at the NICA collider

V. Golovatyuk, V. Kekelidze, V. Kolesnikov, O. Rogachevsky, A. Sorin

NUCLEAR PHYSICS A (2019)

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Article Physics, Multidisciplinary

Unperturbed inverse kinematics nucleon knockout measurements with a carbon beam

M. Patsyuk, J. Kahlbow, G. Laskaris, M. Duer, V. Lenivenko, E. P. Segarra, T. Atovullaev, G. Johansson, T. Aumann, A. Corsi, O. Hen, M. Kapishin, V. Panin, E. Piasetzky

Summary: The study overcomes limitations in interpreting particle knockout scattering experiments by measuring quasi-free scattering of 48 GeV c(-112)C ions from hydrogen. The distribution of single protons is studied by detecting two protons at large angles in coincidence with an intact B-11 nucleus. Short-range correlated nucleon-nucleon pairs are identified, providing direct experimental evidence for separation of the pair wavefunction from that of the residual many-body nuclear system.

NATURE PHYSICS (2021)

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Article Astronomy & Astrophysics

On the existence of the Coleman instantons

V. F. Mukhanov, A. S. Sorin

Summary: In certain potentials, Coleman instantons do not exist, requiring the use of new instantons introduced in [7, 8] to describe the decay of a false vacuum.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2021)

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Article Astronomy & Astrophysics

Instantons with quantum core

V. F. Mukhanov, A. S. Sorin

Summary: This study discusses new instantons arising from quantum fluctuations, which modify the accepted picture of false vacuum decay. A general theory for these instantons with quantum cores is provided for arbitrary potentials, with a method developed to determine their parameters even when the thin-wall approximation fails. Unlike Coleman instantons, these instantons with quantum cores always exist in cases where the vacuum must be unstable.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2021)

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Article Astronomy & Astrophysics

About the Coleman instantons in D dimensions

V. F. Mukhanov, A. S. Sorin

Summary: In this study, we identify an infinite class of unbounded potentials that do not have Coleman instantons in D-dimensional spacetime. We introduce new instantons to describe the decay of a false vacuum for these potentials, as discussed in [5,6,4]. Additionally, we construct two different classes of potentials with exactly solvable instanton equations for each spacetime dimension D.

PHYSICS LETTERS B (2022)

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Article Physics, Particles & Fields

Instantons: thick-wall approximation

V. F. Mukhanova, A. S. Sorin

Summary: A new method for estimating the decay probability of false vacuum via regularized instantons is developed, particularly suitable for thick-walled vacuum decay bubbles, successfully applied to scalar field potentials in different dimensions.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Review Physics, Nuclear

Status and initial physics performance studies of the MPD experiment at NICA

V Abgaryan, R. Acevedo Kado, S. Afanasyev, G. N. Agakishiev, E. Alpatov, G. Altsybeev, M. Alvarado Hernandez, S. Andreeva, T. Andreeva, E. Andronov, N. Anfimov, A. A. Aparin, V. Astakhov, E. Atkin, T. Aushev, G. S. Averichev, A. Averyanov, A. Ayala, A. Ayriyan, V. A. Babkin, T. Babutsidze, I. A. Balashov, A. Bancer, M. Yu Barabanov, D. A. Baranov, N. Baranova, N. Barbashina, A. E. Baskakov, P. N. Batyuk, A. Bazgir, A. G. Bazhazhin, D. Baznat, M. Baznat, S. N. Bazylev, L. G. E. Beltran, A. Belyaev, S. E. Belyaev, E. Belyaeva, V Benda, M. Bielewicz, W. Bietenholz, D. Blaschke, D. Blau, G. Bogdanova, D. N. Bogoslovsky, I. Boguslavsky, E. Boos, A. Botvina, L. Bravina, S. A. Bulychjov, M. G. Buryakov, J. Busa, A. Butenko, A. Butorin, S. G. Buzin, A. Bychkov, A. Bychkov, D. Chaires Arciniega, V. V. Chalyshev, W. Chen, Z. Chen, V. A. Cheplakova, V. F. Chepurnov, V. V. Chepurnov, M. Cheremnova, G. A. Cheremukhina, L. Chlad, A. Chlopik, P. Chudoba, P. Chumakov, E. Cuautle, M. Czarnynoga, B. Dabrowska, A. Demanov, D. Dementyev, Z. Deng, A. Dmitriev, V. Kh Dodokhov, E. Dolbilina, A. G. Dolbilov, I Dominguez, W. Dominik, D. E. Donets, V Dronik, A. Yu Dubrovin, A. Dudzinski, P. Dulov, N. Dunin, V. B. Dunin, A. Dyachenko, V Dyatlov, V. F. Dydyshko, A. A. Efremov, D. S. Egorov, V. V. Elsha, A. E. Emelyanov, N. E. Emelyanov, V. G. Ermakova, G. Eyyubova, D. Fang, O. Fateev, O. Fedin, Yu Fedotov, A. A. Fedyunin, C. Feng, S. Feng, G. A. Feofilov, I. A. Filippov, T. Fischer, K. Formenko, M. A. Gaganova, T. T. Gandzhelashvili, O. P. Gavrishchuk, N. Geraksiev, S. E. Gerasimov, K. Gertsenberger, N. Gevorgyan, O. Golosov, V. M. Golovatyuk, M. Golubeva, I Goncharov, N. Gorbunov, M. Grabowski, H. Grigorian, M. Grodzicka-Kobylka, K. Grodzicki, J. Grzyb, F. Guber, A. Guirado, A. Guskov, V Guzey, W. He, L. A. Hernandez Rosas, S. Hnatic, M. Huang, Y. Huang, R. Idczak, D. Idrisov, S. N. Igolkin, M. Ilieva, A. Yu Isupov, D. Ivanishchev, A. Ivanov, O. Ivanytskyi, A. Ivashkin, A. Izvestnyy, E. Jaworska, J. Jiao, I Kadochnikov, S. Kakurin, P. Kankiewicz, M. N. Kapishin, D. Karmanov, N. Karpushkin, L. A. Kartashova, E. Kashirin, G. Kasprowicz, Yu Kasumov, A. O. Kechechyan, G. D. Kekelidze, V. D. Kekelidze, A. Khanzadeev, P. Kharlamov, O. A. Khilinova, G. G. Khodzhibagiyan, N. Khosravi, A. Khvorostukhin, Y. Khyzhniak, V Kikvadze, V. A. Kireyeu, Yu T. Kiryushin, I. S. Kiryutin, A. Kisiel, A. Klyuev, V Klyukhin, L. Kochenda, O. Kodolova, V. Kolesnikov, A. Kolozhvari, V. G. Komarov, V. P. Kondratiev, M. Korolev, V Korotkikh, D. Kotov, A. D. Kovalenko, V. N. Kovalenko, S. Kowalski, N. A. Kozlenko, M. Krakowiak, V. A. Kramarenko, L. M. Krasnova, P. Kravchov, Yu F. Krechetov, I. Kruglova, A. Krylov, V Krylov, E. Kryshen, A. Kryukov, A. Kubankin, A. Kugler, M. Kuich, S. Kukarnikov, S. N. Kuklin, V Kukulin, E. A. Kulikov, V. V. Kulikov, A. Kurepin, S. Kushpil, V Kuzmin, J. Kvita, D. Lanskoy, N. A. Lashmanov, T. Lazareva, R. Lednicky, S. Li, Z. Li, A. G. Litvinenko, E. Litvinenko, G. N. Litvinova, D. Liu, F. Liu, A. N. Livanov, V. Lobanov, Yu Yu Lobanov, S. P. Lobastov, I Lokhtin, P. Lu, Yu R. Lukstinsh, B. Luong, Y. Ma, A. Machavariani, D. T. Madigozhin, V. Maksimenkova, A. Malakhov, M. Malayev, I Maldonado, J. C. Maldonado, I. Malikov, L. Malinina, N. A. Maltsev, E. Marquez, M. Shopova, M. A. Martemianov, M. Maslan, M. A. Matsyuk, T. Matulewicz, D. G. Melnikov, M. Merkin, S. P. Merts, I. N. Meshkov, S. Mianowski, I. I. Migulina, K. R. Mikhaylov, M. Milewicz-Zalewska, Yu Minaev, N. A. Molokanova, E. Moreno-Barbosa, S. Morozov, A. A. Moshkin, I. Moshkovsky, A. E. Moskovsky, S. A. Movchan, A. A. Mudrokh, K. A. Mukhin, Yu A. Murin, Zh Zh Musul'manbekov, V. V. Myalkovsky, D. Myktybekov, D. K. Nauruzbaev, E. N. Nazarova, A. Nechaevsky, D. G. Nesterov, M. Nie, P. A. Nieto-Marin, G. Nigmatkulov, V. A. Nikitin, M. Nioradze, X. Niu, W. Nowak, L. Nozka, I. A. Oleks, A. G. Olshevsky, O. E. Orlov, P. Parfenov, D. Pasieka, S. S. Parzhitsky, M. E. Patino, V. A. Pavlyukevich, V. A. Penkin, V. F. Peresedov, D. Peresunko, M. J. Peryt, D. Peshekhonov, V. A. Petrov, S. Petrushanko, O. Petukhov, K. Piasecki, D. Pichugina, A. Piloyan, A. Pilyar, S. M. Piyadin, S. Plamowski, M. Platonova, J. Pluta, A. E. Potanina, Yu K. Potrebenikov, K. Pozniak, D. S. Prokhorova, N. A. Prokofiev, F. Protoklitow, A. Prozorov, A. M. Puchkov, N. Pukhaeva, A. R. Rakhmatullina, S. Razin, L. F. Rebolledo Herrera, V. Z. Reyna-Ortiz, V Riabov, Yu Riabov, N. O. Ridinger, V Rikhvitsky, M. Rodriguez-Cahuantzi, O. Rogachevsky, V. Yu Rogov, P. Rokita, G. Romanenko, R. Romaniuk, A. Romanova, T. Rossler, E. F. Rozas Calderon, I. A. Rufanov, M. M. Rumyantsev, A. A. Rybakov, M. Rybczynski, D. Rybka, A. A. Rymshina, J. Rzadkiewicz, Z. Ya-O Sadygov, V Samsonov, V. A. Samsonov, V. S. Sandul, R. Sattarov, A. A. Savenkov, K. Schmidt, S. S. Seballos, S. A. Sedykh, I Selyuzhenkov, T. Semchukova, A. Yu Semenov, I. A. Semenova, S. Sergeev, N. A. Sergeeva, E. Serochkin, A. Yu Seryakov, A. Shabunov, U. Shah, R. Shanidze, L. Shcheglova, B. G. Shchinov, C. Shen, Y. Shen, A. N. Sherbakov, A. D. Sheremetyev, A. Sheremetyeva, R. A. Shindin, A. Shipunov, M. O. Shitenkov, D. K. Shtejer, U. Shukla, A. A. Shunko, A. Shutov, V. B. Shutov, A. O. Sidorin, I Skwira-Chalot, I. Slepnev, V. M. Slepnev, I. P. Slepov, Yu A. Solnyshkin, A. Solomin, T. Solovyeva, A. S. Sorin, T. Starecki, G. Stefanek, E. A. Streletskaya, M. Strikhanov, T. A. Strizh, A. Strizhak, N. Sukhov, S. Sukhovarov, X. Sun, N. N. Surkov, D. Suvarieva, V. L. Svalov, A. Syntfeld-Kazuch, J. Szewinski, Z. Tang, A. Taranenko, N. A. Tarasov, V Tcholakov, G. Tejeda-Munoz, M. E. Tejeda-Yeomans, A. Terletskiy, O. Teryaev, V. V. Tikhomirov, A. A. Timoshenko, G. P. Tkachev, V. D. Toneev, N. D. Topilin, T. Traczyk, T. Tretyakova, A. Trubnikov, G. Trubnikov, I Tserruya, I. A. Tyapkin, S. Yu Udovenko, I. C. Udrea, M. Urbaniak, V Urumov, M. Val'a, L. Valenzuela-Cazares, F. F. Valiev, V. A. Vasendina, I. N. Vasiliev, A. Vasilyev, V. V. Vechernin, S. V. Vereshchagin, N. N. Vladimirova, N. V. Vlasov, A. S. Vodopyanov, K. Vokhmyanina, V. Volkov, V. Volkov, O. A. Volodina, A. A. Voronin, V. Voronyuk, J. Vrlakova, F. Wang, J. Wang, X. Wang, Y. Wang, Y. Wang, Y. Wang, Y. Wang, P. Wieczorek, D. Wielanek, K. Wojcik, K. Wu, Z. Xiao, Q. Xu, C. Yang, H. Yang, Q. Yang, G. A. Yarygin, L. Yordanova, T. Yu, Z. Yuan, V. Yurevich, E. Zabrodin, M. Zaitseva, N. Zamyatin, S. A. Zaporozhets, A. K. Zarochentsev, C. H. Zepeda-Fernandez, W. Zha, M. Zhalov, Y. Zhang, Y. Zhang, Z. Zhang, C. Zhao, V. Zherebchevsky, V. N. Zhezher, C. Zhong, W. Zhou, X. Zhu, X. Zhu, A. Zinchenko, D. A. Zinchenko, V. N. Zryuev

Summary: This article provides an overview of the construction of the NICA facility and the MPD detector, as well as their importance in studying the QCD phase diagram. The article provides a detailed description of the MPD setup and performance analysis, and discusses it in comparison with existing data and theoretical expectations.

EUROPEAN PHYSICAL JOURNAL A (2022)

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Article Physics, Multidisciplinary

Quantum Fluctuations and New Instantons I: Linear Unbounded Potential

V. F. Mukhanov, E. Rabinovici, A. S. Sorin

Summary: The decay of a false vacuum is considered in situations where the methods proposed by Coleman face difficulties. Quantum fluctuations play a crucial role, introducing ultraviolet and infrared cutoff scales determined by classical solution parameters, leading to the emergence of a new class of O(4) invariant instantons. The issue of small instantons is resolved by taking into account inevitable quantum fluctuations.

FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS (2021)

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Article Physics, Multidisciplinary

Quantum Fluctuations and New Instantons II: Quartic Unbounded Potential

V. F. Mukhanov, E. Rabinovici, A. S. Sorin

Summary: The study focuses on the fate of a false vacuum in the presence of a potential with both quartic and unbounded components. It is demonstrated that an O(4) invariant instanton with Coleman boundary conditions is not viable in this scenario. However, quantum fluctuations are shown to regularize the singular classical solutions, leading to a new class of O(4) invariant regularized instantons describing vacuum instability without the Coleman instanton. Solutions are derived and decay rates are calculated accordingly.

FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS (2021)

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Article Physics, Mathematical

The Full Symmetric Toda Flow and Intersections of Bruhat Cells

Yuri B. Chernyakov, Georgy Sharygin, Alexander S. Sorin, Dmitry Talalaev

SYMMETRY INTEGRABILITY AND GEOMETRY-METHODS AND APPLICATIONS (2020)

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Article Physics, Multidisciplinary

Progress in the construction of the NICA accelerator complex

V. Kolesnikov, V. D. Kekelidze, V. A. Matveev, A. S. Sorin

PHYSICA SCRIPTA (2020)

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Article Physics, Nuclear

Hyperon polarization in heavy-ion collisions and holographic gravitational anomaly

Mircea Baznat, Konstantin Gudima, Alexander Sorin, Oleg Teryaev

PHYSICAL REVIEW C (2018)

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Proceedings Paper Physics, Nuclear

BM@N and MPD experiments at NICA

Vladimir Kekelidze, Vadim Kolesnikov, Alexander Sorin

17TH INTERNATIONAL CONFERENCE ON STRANGENESS IN QUARK MATTER (SQM 2017) (2018)

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Proceedings Paper Physics, Nuclear

Vorticity and Λ polarization in baryon rich matter

Mircea Baznat, Konstantin Gudima, George Prokhorov, Alexander Sorin, Oleg Teryaev, Valentin Zakharov

17TH INTERNATIONAL CONFERENCE ON STRANGENESS IN QUARK MATTER (SQM 2017) (2018)

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