English
Related papers

Related papers: A temperature dependent formation time approach fo…

200 papers

The particle yields and particle number ratios in Pb+Pb collisions at the LHC energy $\sqrt{s_{NN}}=2.76$ TeV are described within the integrated hydrokinetic model (iHKM) at the two different equations of state (EoS) for the quark-gluon…

High Energy Physics - Phenomenology · Physics 2018-07-03 Yu. M. Sinyukov , V. M. Shapoval

We investigate the decay cascade of the Upsilon(nS) meson including the newly found Chi_b(3P) state in pp and PbPb collisions at LHC energies. The main goal is to quantitatively determine the additional suppression of the Upsilon(nS) states…

High Energy Physics - Phenomenology · Physics 2015-06-16 F. Vaccaro , F. Nendzig , G. Wolschin

We study the hot medium effects in high-multiplicity proton-proton (pp) collisions at $\sqrt{s_{NN}}=13$ TeV via the charmonium probes. The hot medium is described with the hydrodynamic model, while charmonium evolutions in the medium are…

Nuclear Theory · Physics 2024-11-25 Yunfan Bai , Baoyi Chen

We report predictions for the suppression and elliptic flow of the $\Upsilon(1S)$, $\Upsilon(2S)$, and $\Upsilon(3S)$ as a function of centrality and transverse momentum in ultra-relativistic heavy-ion collisions. We obtain our predictions…

High Energy Physics - Phenomenology · Physics 2021-12-15 Nora Brambilla , Miguel Ángel Escobedo , Michael Strickland , Antonio Vairo , Peter Vander Griend , Johannes Heinrich Weber

Thermal suppression of quarkonium production in heavy-ion collisions, due to Debye screening of the quark-antiquark potential, has been proposed as a clear signature of Quark-Gluon Plasma (QGP) formation. At RHIC energies, the $\Upsilon$…

Nuclear Experiment · Physics 2015-06-05 Anthony Kesich

We present multiple results on the production of loosely-bound molecules in bottomonium annihilations and $e^+e^-$ collisions at $\sqrt{s} = 10.58$ GeV. We perform the first comprehensive test of several models for deuteron production…

High Energy Physics - Phenomenology · Physics 2022-12-14 Davide Marietti , Alessandro Pilloni , Umberto Tamponi

We compute the suppression and elliptic flow of bottomonium using real-time solutions to the Schr\"{o}dinger equation with a realistic in-medium complex-valued potential. To model the initial production, we assume that, in the limit of…

High Energy Physics - Phenomenology · Physics 2020-11-24 Ajaharul Islam , Michael Strickland

In ultrarelativistic collisions of nuclei at the Large Hadron Collider, the created QCD environment rapidly changes, leading to a non-adiabatic evolution of the quantum states involved. Considering this, we first examine the pre-equilibrium…

High Energy Physics - Phenomenology · Physics 2025-07-14 Captain R. Singh , Partha Bagchi , Raghunath Sahoo , Jan-e Alam

Background: Proton-nucleus collisions have been used as a intermediate baseline for the determination of cold medium effects. They lie between proton-proton collisions in vacuum and nucleus-nucleus collisions which are expected to be…

High Energy Physics - Phenomenology · Physics 2015-09-23 R. Vogt

The spectroscopic properties of heavy quarkonia are substantially different in the quark-gluon plasma (QGP) that is created in relativistic heavy-ion collisions as compared to the vacuum situation that can be tested in pp collisions at the…

High Energy Physics - Phenomenology · Physics 2020-11-03 Georg Wolschin

We suggest that the combined effect of screening, gluon-induced dissociation, collisional damping, and reduced feed-down explains most of the sequential suppression of Y(nS) states that has been observed in PbPb relative to pp collisions at…

High Energy Physics - Phenomenology · Physics 2012-07-27 Felix Nendzig , Georg Wolschin

S-wave states of charmonium and bottomonium are described using bottom-up AdS/QCD. We propose a holographic model that unifies the description of masses and decay constants, leading to a precise match with experimental data on heavy…

High Energy Physics - Phenomenology · Physics 2021-04-21 Miguel Angel Martin Contreras , Saulo Diles , Alfredo Vega

The bottomonium spectral functions at finite temperature are analyzed by employing QCD sum rules with the maximum entropy method. This approach enables us to extract the spectral functions without any phenomenological parametrization, and…

High Energy Physics - Phenomenology · Physics 2012-12-04 Kei Suzuki , Philipp Gubler , Kenji Morita , Makoto Oka

Inspired by the newly observed two charged bottomonium-like states, we consider the possible contribution from the intermediate $Z_b(10610)$ and $Z_b(10650)$ states to the $\Upsilon(5S)\to \Upsilon(2S)\pi^+\pi^-$ decay process, which…

High Energy Physics - Phenomenology · Physics 2011-10-13 Dian-Yong Chen , Xiang Liu , Shi-Lin Zhu

ALICE (A Large Ion Collider Experiment) is devoted to the study of heavy-ion collisions at LHC energies. In such collisions a deconfined state of nuclear matter, the Quark-Gluon Plasma (QGP), is formed. Due to their early production,…

High Energy Physics - Experiment · Physics 2017-01-01 Gabriele Gaetano Fronzé

We calculate the quarkonium formation time in relativistic heavy-ion collisions from the space-time correlator of heavy quark vector currents in a hydrodynamics background with the initial nonequilibrium stage expanding only in the…

Nuclear Theory · Physics 2015-06-11 Taesoo Song , Che Ming Ko , Su Houng Lee

The LHC offers unique opportunities for studying the properties of hot QCD matter created in Pb+Pb collisions at extreme temperatures and very low parton momentum fractions. With its high precision, large acceptance for tracking and…

Nuclear Experiment · Physics 2019-08-13 Manuel Calderón de la Barca Sánchez

We study hadronic transitions between bottomonium states using 496 fb$^{-1}$ data collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric energy $e^{+}e^{-}$ collider. We measure: ${\cal…

High Energy Physics - Experiment · Physics 2017-10-04 Belle Collaboration , E. Guido , R. Mussa , U. Tamponi , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , I. Badhrees , A. M. Bakich , V. Bansal , P. Behera , V. Bhardwaj , B. Bhuyan , J. Biswal , A. Bobrov , A. Bondar , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , N. Dash , S. Di Carlo , Z. Doležal , Z. Drásal , S. Eidelman , D. Epifanov , H. Farhat , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , R. Gillard , P. Goldenzweig , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , M. T. Hedges , W. -S. Hou , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , Y. Iwasaki , W. W. Jacobs , I. Jaegle , H. B. Jeon , S. Jia , Y. Jin , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , G. Karyan , T. Kawasaki , D. Y. Kim , J. B. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , P. Krokovny , R. Kulasiri , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , P. Lewis , C. H. Li , L. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , H. Miyata , R. Mizuk , H. K. Moon , T. Mori , E. Nakano , M. Nakao , T. Nanut , K. J. Nath , Z. Natkaniec , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , H. Ono , P. Pakhlov , G. Pakhlova , B. Pal , S. Pardi , C. -S. Park , H. Park , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , C. Pulvermacher , M. Ritter , A. Rostomyan , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , A. Sokolov , E. Solovieva , M. Starič , J. F. Strube , K. Sumisawa , T. Sumiyoshi , M. Takizawa , K. Tanida , F. Tenchini , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , Y. Usov , C. Van Hulse , G. Varner , A. Vinokurova , V. Vorobyev , A. Vossen , C. H. Wang , P. Wang , M. Watanabe , Y. Watanabe , S. Watanuki , E. Widmann , K. M. Williams , E. Won , Y. Yamashita , H. Ye , C. Z. Yuan , Z. P. Zhang , V. Zhukova , V. Zhulanov , A. Zupanc

We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system, the thermalized QGP phase of QCD. The hadronization of the thermalized QGP phase is given in a way resembling a coalescence model with correlated quarks and…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. A. Ivanova , V. F. Kosmach , V. M. Samsonov , N. I. Troitskaya

Heavy quarkonium ($\Upsilon$) production at low transverse momentum ($P_\perp$) in high-energy hadronic collisions is revisited from the point of view of transverse momentum dependent (TMD) framework. We perform resummation of double…

High Energy Physics - Phenomenology · Physics 2018-08-01 Jian-Wei Qiu , Kazuhiro Watanabe