Challenges in QCD matter physics - The Compressed Baryonic Matter experiment at FAIR
Nuclear Experiment
2017-03-30 v3
Abstract
Substantial experimental and theoretical efforts worldwide are devoted to explore the phase diagram of strongly interacting matter. At LHC and top RHIC energies, QCD matter is studied at very high temperatures and nearly vanishing net-baryon densities. There is evidence that a Quark-Gluon-Plasma (QGP) was created at experiments at RHIC and LHC. The transition from the QGP back to the hadron gas is found to be a smooth cross over. For larger net-baryon densities and lower temperatures, it is expected that the QCD phase diagram exhibits a rich structure, such as a first-order phase transition between hadronic and partonic matter which terminates in a critical point, or exotic phases like quarkyonic matter. The discovery of these landmarks would be a breakthrough in our understanding of the strong interaction and is therefore in the focus of various high-energy heavy-ion research programs. The Compressed Baryonic Matter (CBM) experiment at FAIR will play a unique role in the exploration of the QCD phase diagram in the region of high net-baryon densities, because it is designed to run at unprecedented interaction rates. High-rate operation is the key prerequisite for high-precision measurements of multi-differential observables and of rare diagnostic probes which are sensitive to the dense phase of the nuclear fireball. The goal of the CBM experiment at SIS100 (sqrt(s_NN) = 2.7 - 4.9 GeV) is to discover fundamental properties of QCD matter: the phase structure at large baryon-chemical potentials (mu_B > 500 MeV), effects of chiral symmetry, and the equation-of-state at high density as it is expected to occur in the core of neutron stars. In this article, we review the motivation for and the physics programme of CBM, including activities before the start of data taking in 2022, in the context of the worldwide efforts to explore high-density QCD matter.
Cite
@article{arxiv.1607.01487,
title = {Challenges in QCD matter physics - The Compressed Baryonic Matter experiment at FAIR},
author = {CBM Collaboration and T. Ablyazimov and A. Abuhoza and R. P. Adak and M. Adamczyk and K. Agarwal and M. M. Aggarwal and Z. Ahammed and F. Ahmad and N. Ahmad and S. Ahmad and A. Akindinov and P. Akishin and E. Akishina and T. Akishina and V. Akishina and A. Akram and M. Al-Turany and I. Alekseev and E. Alexandrov and I. Alexandrov and S. Amar-Youcef and M. Anđelić and O. Andreeva and C. Andrei and A. Andronic and Yu. Anisimov and H. Appelshäuser and D. Argintaru and E. Atkin and S. Avdeev and R. Averbeck and M. D. Azmi and V. Baban and M. Bach and E. Badura and S. Bähr and T. Balog and M. Balzer and E. Bao and N. Baranova and T. Barczyk and D. Bartoş and S. Bashir and M. Baszczyk and O. Batenkov and V. Baublis and M. Baznat and J. Becker and K. -H. Becker and S. Belogurov and D. Belyakov and J. Bendarouach and I. Berceanu and A. Bercuci and A. Berdnikov and Y. Berdnikov and R. Berendes and G. Berezin and C. Bergmann and D. Bertini and O. Bertini and C. Beşliu and O. Bezshyyko and P. P. Bhaduri and A. Bhasin and A. K. Bhati and B. Bhattacharjee and A. Bhattacharyya and T. K. Bhattacharyya and S. Biswas and T. Blank and D. Blau and V. Blinov and C. Blume and Yu. Bocharov and J. Book and T. Breitner and U. Brüning and J. Brzychczyk and A. Bubak and H. Büsching and T. Bus and V. Butuzov and A. Bychkov and A. Byszuk and Xu Cai and M. Cálin and Ping Cao and G. Caragheorgheopol and I. Carević and V. Cătănescu and A. Chakrabarti and S. Chattopadhyay and A. Chaus and Hongfang Chen and LuYao Chen and Jianping Cheng and V. Chepurnov and H. Cherif and A. Chernogorov and M. I. Ciobanu and G. Claus and F. Constantin and M. Csanád and N. D'Ascenzo and Supriya Das and Susovan Das and J. de Cuveland and B. Debnath and D. Dementiev and Wendi Deng and Zhi Deng and H. Deppe and I. Deppner and O. Derenovskaya and C. A. Deveaux and M. Deveaux and K. Dey and M. Dey and P. Dillenseger and V. Dobyrn and D. Doering and Sheng Dong and A. Dorokhov and M. Dreschmann and A. 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Tarassenkova and M. -G. Târzilă and M. Teklishyn and T. Tischler and P. Tlustý and T. Tölyhi and A. Toia and N. Topil'skaya and M. Träger and S. Tripathy and I. Tsakov and Yu. Tsyupa and A. Turowiecki and N. G. Tuturas and F. Uhlig and E. Usenko and I. Valin and D. Varga and I. Vassiliev and O. Vasylyev and E. Verbitskaya and W. Verhoeven and A. Veshikov and R. Visinka and Y. P. Viyogi and S. Volkov and A. Volochniuk and A. Vorobiev and Aleksey Voronin and Alexander Voronin and V. Vovchenko and M. Vznuzdaev and Dong Wang and Xi-Wei Wang and Yaping Wang and Yi Wang and M. Weber and C. Wendisch and J. P. Wessels and M. Wiebusch and J. Wiechula and D. Wielanek and A. Wieloch and A. Wilms and N. Winckler and M. Winter and K. Wiśniewski and Gy. Wolf and Sanguk Won and Ke-Jun Wu and J. Wüstenfeld and Changzhou Xiang and Nu Xu and Junfeng Yang and Rongxing Yang and Zhongbao Yin and In-Kwon Yoo and B. Yuldashev and I. Yushmanov and W. Zabołotny and Yu. Zaitsev and N. I. Zamiatin and Yu. Zanevsky and M. Zhalov and Yifei Zhang and Yu Zhang and Lei Zhao and Jiajun Zheng and Sheng Zheng and Daicui Zhou and Jing Zhou and Xianglei Zhu and A. Zinchenko and W. Zipper and M. Żoładź and P. Zrelov and V. Zryuev and P. Zumbruch and M. Zyzak},
journal= {arXiv preprint arXiv:1607.01487},
year = {2017}
}
Comments
15 pages, 11 figures. Published in European Physical Journal A