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Your search keyword '"Tsai, Yuhsin"' showing total 13 results
Start Over Author "Tsai, Yuhsin" Topic high energy physics - phenomenology (hep-ph)
13 results on '"Tsai, Yuhsin"'

1. Exploring Mirror Twin Higgs Cosmology with Present and Future Weak Lensing Surveys

Author

Zu, Lei, Zhang, Chi, Chen, Hou-Zun, Wang, Wei, Tsai, Yue-Lin Sming, Tsai, Yuhsin, Luo, Wentao, and Fan, Yi-Zhong

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), High Energy Physics - Theory, High Energy Physics - Phenomenology, Cosmology and Nongalactic Astrophysics (astro-ph.CO), High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We explore the potential of precision cosmological data to study non-minimal dark sectors by updating the cosmological constraint on the mirror twin Higgs model (MTH). The MTH model addresses the Higgs little hierarchy problem by introducing dark sector particles. In this work, we perform a Bayesian global analysis that includes the latest cosmic shear measurement from the DES three-year survey and the Planck CMB and BAO data. In the early Universe, the mirror baryon and mirror radiation behave as dark matter and dark radiation, and their presence modifies the Universe's expansion history. Additionally, the scattering between mirror baryon and photon generates the dark acoustic oscillation process, suppressing the matter power spectrum from the cosmic shear measurement. We demonstrate how current data constrain these corrections to the $\Lambda$CDM cosmology and find that for a viable solution to the little hierarchy problem, the proportion of MTH dark matter cannot exceed about $30\%$ of the total dark matter density, unless the temperature of twin photon is less than $30\%$ of that of the standard model photon. While the MTH model is presently not a superior solution to the observed $H_0$ tension compared to the $\Lambda$CDM+$\Delta N_{\rm eff}$ model, we demonstrate that it has the potential to alleviate both the $H_0$ and $S_8$ tensions, especially if the $S_8$ tension persists in the future and approaches the result reported by the Planck SZ (2013) analysis. In this case, the MTH model can relax the tensions while satisfying the DES power spectrum constraint up to $k \lesssim 10~h\rm {Mpc}^{-1}$. If the MTH model is indeed accountable for the $S_8$ and $H_0$ tensions, we show that the future China Space Station Telescope (CSST) can determine the twin baryon abundance with a $10\%$ level precision., Comment: 32 pages, 12 figures, 4 tables

Published
2023

2. Probing Cosmological Particle Production and Pairwise Hotspots with Deep Neural Networks

Author

Kim, Taegyun, Kim, Jeong Han, Kumar, Soubhik, Martin, Adam, Münchmeyer, Moritz, and Tsai, Yuhsin

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Particles with masses much larger than the inflationary Hubble scale, $H_I$, can be pair-produced non-adiabatically during inflation. Due to their large masses, the produced particles modify the curvature perturbation around their locations. These localized perturbations eventually give rise to localized signatures on the Cosmic Microwave Background (CMB), in particular, pairwise hotspots (PHS). In this work, we show that Convolutional Neural Networks (CNN) provide a powerful tool for identifying PHS on the CMB. While for a given hotspot profile a traditional Matched Filter Analysis is known to be optimal, a Neural Network learns to effectively detect the large variety of shapes that can arise in realistic models of particle production. Considering an idealized situation where the dominant background to the PHS signal comes from the standard CMB fluctuations, we show that a CNN can isolate the PHS with $\mathcal{O}(10)\%$ efficiency even if the hotspot temperature is $\mathcal{O}(10)$ times smaller than the average CMB fluctuations. Overall, the CNN search is sensitive to heavy particle masses $M_0/H_I=\mathcal{O}(200)$, and constitutes one of the unique probes of very high energy particle physics.

Published
2023

3. Unraveling Cosmological Anisotropies within Stochastic Gravitational Wave Backgrounds

Author

Cui, Yanou, Kumar, Soubhik, Sundrum, Raman, and Tsai, Yuhsin

Subjects
High Energy Physics - Phenomenology, Cosmology and Nongalactic Astrophysics (astro-ph.CO), High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Identifying the anisotropies in a cosmologically sourced stochastic gravitational wave background (SGWB) would be of significance in shedding light on the nature of primordial inhomogeneities. For example, if SGWB carries isocurvature fluctuations, it would provide evidence for a multi-field inflationary origin of these inhomogeneities. However, this is challenging in practice due to finite detector sensitivity and also the presence of the astrophysical foregrounds that can compete with the cosmological signal. In this work, we explore the prospects for measuring cosmological SGWB anisotropies in the presence of an astrophysical counterpart and detector noise. To illustrate the main idea, we perform a Fisher analysis using a well-motivated cosmological SGWB template corresponding to a first order phase transition, and an astrophysical SGWB template corresponding to extra-galactic binary mergers, and compute the uncertainty with which various parameters characterizing the isotropic and anisotropic components can be extracted. We also discuss some subtleties and caveats involving shot noise in the astrophysical foreground. Overall, we show that upcoming experiments, e.g., LISA, Taiji, Einstein Telescope, Cosmic Explorer, and BBO, can all be effective in discovering plausible anisotropic cosmological SGWBs., Comment: 24 pages, 9 figures

Published
2023
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4. Detecting Axion-Like Particles with Primordial Black Holes

Author

Agashe, Kaustubh, Chang, Jae Hyeok, Clark, Steven J., Dutta, Bhaskar, Tsai, Yuhsin, and Xu, Tao

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Cosmology and Nongalactic Astrophysics (astro-ph.CO), Astrophysics of Galaxies (astro-ph.GA), FOS: Physical sciences, Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Future gamma-ray experiments, such as the e-ASTROGAM and AMEGO telescopes, can detect the Hawking radiation of photons from primordial black holes (PBHs) if they make up a fraction or all of dark matter. PBHs can analogously also Hawking radiate new particles, which is especially interesting if these particles are mostly secluded from the Standard Model (SM) sector, since they might therefore be less accessible otherwise. A well-motivated example of this type is axion-like particles (ALPs) with a tiny coupling to photons. We assume that the ALPs produced by PBHs decay into photons well before reaching the earth, so these will augment the photons directly radiated by the PBHs. Remarkably, we find that the peaks in the energy distributions of ALPs produced from PBHs are different than the corresponding ones for Hawking radiated photons due to the spin-dependent greybody factor. Therefore, we demonstrate that this process will in fact distinctively modify the PBHs' gamma-ray spectrum relative to the SM prediction. We use monochromatic asteroid-mass PBHs as an example to show that e-ASTROGAM can observe the PBH-produced ALP gamma-ray signal (for masses up to ~60 MeV) and further distinguish it from Hawking radiation without ALPs. By measuring the gamma-ray signals, e-ASTROGAM can thereby probe yet unexplored parameters in the ALP mass and photon coupling., 8 pages + references, 5 figures

Published
2022

5. Early-Universe Model Building

Author

Asadi, Pouya, Bansal, Saurabh, Berlin, Asher, Co, Raymond T., Croon, Djuna, Cui, Yanou, Curtin, David, Cyr-Racine, Francis-Yan, Davoudiasl, Hooman, Rose, Luigi Delle, Drewes, Marco, Dror, Jeff A., Elor, Gilly, Oliver Gould, Harigaya, Keisuke, Heeba, Saniya, Hochberg, Yonit, Hook, Anson, Ipek, Seyda, Kuflik, Eric, Long, Andrew J., Mcgehee, Robert, Outmezguine, Nadav Joseph, Panico, Giuliano, Poulin, Vivian, Pradler, Josef, Schutz, Katelin, Shah, Nausheen R., Shakya, Bibhushan, Shamma, Michael, Shuve, Brian, Smirnov, Juri, Tsai, Yuhsin, Turner, Jessica, Vis, Jorinde, Verhaaren, Christopher B., Weiner, Neal, Yamada, Masaki, You, Tevong, and Yu, Hai-Bo

Subjects
Astrophysics and Astronomy, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Cosmology and Nongalactic Astrophysics (astro-ph.CO), astro-ph.CO, FOS: Physical sciences, hep-ph, Particle Physics - Phenomenology, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Theoretical investigations into the evolution of the early universe are an essential part of particle physics that allow us to identify viable extensions to the Standard Model as well as motivated parameter space that can be probed by various experiments and observations. In this white paper, we review particle physics models of the early universe. First, we outline various models that explain two essential ingredients of the early universe (dark matter and baryon asymmetry) and those that seek to address current observational anomalies. We then discuss dynamics of the early universe in models of neutrino masses, axions, and several solutions to the electroweak hierarchy problem. Finally, we review solutions to naturalness problems of the Standard Model that employ cosmological dynamics., contribution to Snowmass 2021

Published
2022

6. Identifying Exclusive Displaced Hadronic Signatures in the Forward Region of the LHC

Author

Vidal, Xabier Cid, Tsai, Yuhsin, and Zurita, Jose

Subjects
High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

The LHCb detector provides accurate vertex reconstruction and hadronic particle identification, which make the experiment an ideal place to look for light long-lived particles (LLP) decaying into Standard Model (SM) hadrons. In contrast with the typical search strategy relying on energetic jets and a high multiplicity of tracks from the LLP decay, LHCb can identify LLPs in exclusive, specific hadronic final states. To illustrate the idea, we study the sensitivity of LHCb to an exotic Higgs decay $h\to SS$, followed by the displaced decay of GeV-scale scalars into charged kaons $S\to K^+K^-$. We show that the reconstruction of kaon vertices in narrow invariant mass windows can efficiently eliminate the combinatorial backgrounds from $B$-meson decays. While the same signal is extremely difficult to probe in the existing displaced jet searches at ATLAS/CMS, the LHCb search we propose can probe the branching ratio BR$(h\to SS)$ down to $0.1\%$ ($0.02\%$) level with $15$ ($300$) fb$^{-1}$ of data. We also apply this projected bound to two scenarios with Higgs portal couplings, where the scalar mediator $S$ either couples to a) the SM quarks only, or b) to both quarks and leptons in the minimal flavor violation paradigm. In both scenarios we compare the reach of our proposed search with the expected constraints from ATLAS and CMS on the invisible Higgs width and with the constraints from rare B-decays studies at LHCb. We find that for 1 GeV $< m_S < $ 2 GeV and $0.5~{\rm mm} \lesssim c ��\lesssim 10$ mm our proposed search will be competitive with the ATLAS and CMS projections, while at the same time providing crucial information of the hadronic interactions of $S$, which can not be obtained from the {\it indirect} measurement of the Higgs invisible width., 18 pages, 6 figures

Published
2019

7. MATHUSLA: A Detector Proposal to Explore the Lifetime Frontier at the HL-LHC

Author

Lubatti, Henry, Alpigiani, Cristiano, Arteaga-Vel��zquez, Juan Carlos, Ball, Austin, Beacham, Liron Barak James, Benhammo, Yan, Caballero-Mora, Karen Salom��, Camarri, Paolo, Cao, Tingting, Cardarelli, Roberto, Chou, John Paul, Curtin, David, de Roeck, Albert, Di Sciascio, Giuseppe, Diamond, Miriam, Drewes, Marco, Eno, Sarah C., Essig, Rouven, Evans, Jared, Etzion, Erez, T��llez, Arturo Fern��ndez, Fischer, Oliver, Freeman, Jim, Giagu, Stefano, Gomes, Brandon, Haas, Andy, Heng, Yuekun, Iaselli, Giuseppe, Johns, Ken, Karagoz, Muge, Kvam, Audrey, Lazic, Dragoslav, Li, Liang, Liberti, Barbara, Liu, Zhen, Marsella, Giovanni, Mamani, Piter A. Paye, Hern��ndez, Mario Iv��n Mart��nez, McCullough, Matthew, McKeen, David, Meade, Patrick, Mizrachi, Gilad, Morrissey, David, Moshe, Meny Raviv, Policicchio, Antonio, Proffitt, Mason, Reggiani-Guzzo, Marina, Rodr��guez-Cahuantzi, Mario, Rothberg, Joe, Santonico, Rinaldo, Schioppa, Marco, Shelton, Jessie, Shuve, Brian, Silver, Yiftah, Stolarski, Daniel, Vasquez, Martin A. Subieta, Mu��oz, Guillermo Tejeda, Thayil, Steffie Ann, Tsai, Yuhsin, Torro, Emma, Watts, Gordon, Young, Charles, and Zurita, Jose

Subjects
High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences, High Energy Physics - Experiment
Abstract

The observation of long-lived particles at the LHC would reveal physics beyond the Standard Model, could account for the many open issues in our understanding of our universe, and conceivably point to a more complete theory of the fundamental interactions. Such long-lived particle signatures are fundamentally motivated and can appear in virtually every theoretical construct that address the Hierarchy Problem, Dark Matter, Neutrino Masses and the Baryon Asymmetry of the Universe. We describe in this document a large detector, MATHUSLA, located on the surface above an HL-LHC $pp$ interaction point, that could observe long-lived particles with lifetimes up to the Big Bang Nucleosynthesis limit of 0.1 s. We also note that its large detector area allows MATHUSLA to make important contributions to cosmic ray physics. Because of the potential for making a major breakthrough in our conceptual understanding of the universe, long-lived particle searches should have the highest level of priority., 8 pages, 5 figures. Input to the update process of the European Strategy for Particle Physics by the MATHUSLA collaboration (http://mathusla.web.cern.ch). See also CERN-PBC-REPORT-2018-007 for the ESPP contribution of the Physics Beyond Colliders working group, which contains a discussion of low-energy simplified models as well as some comments on MATHUSLA's budget and timelines

Published
2019

8. Searching for Confining Hidden Valleys at the LHC(b)

Author

Pierce, Aaron, Shakya, Bibhushan, Tsai, Yuhsin, and Zhao, Yue

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

We explore strategies for probing Hidden Valley scenarios exhibiting confinement. Such scenarios lead to a multiplicity of light hidden hadrons from showering processes. Their decays are typically soft and displaced, making them challenging to probe with traditional LHC searches. We show the low trigger thresholds and excellent track and vertex reconstruction at LHCb provide an ideal environment to search for such signals -- in both muonic and hadronic channels. We also explore the potential of ATLAS/CMS and discuss modifications to present searches that might make these experiments competitive with the LHCb reach. Our proposed searches can probe $Z^{\prime}$ models with dominant decays to dark sectors as well as exotic Higgs boson decays in Twin Higgs models., Comment: 6 pages, 3 figures

Published
2017
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9. Faking SM Photons by Displaced Dark Photon Decays

Author

Tsai, Yuhsin, Wang, Lian-Tao, and Zhao, Yue

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, FOS: Physical sciences, High Energy Physics - Experiment
Abstract

A light meta-stable dark photon decaying into collimated electron/positron pair can fake a photon, either converted or unconverted, at the LHC. The detailed object identification relies on the specifics of the detector and strategies for the reconstruction. We study the fake rate based on the ATLAS(CMS) detector geometry and show that it can be O(1) with a generic choice of parameters. Especially, the probability of being registered as a photon is angular dependent. Such detector effects can induce bias to measurements on certain properties of new physics. In this paper, we consider the scenario where dark photons in final states are from a heavy resonance decay. Consequently, the detector effects can dramatically affect the results when determine the spin of a resonance. Further, if the decay products from the heavy resonance are one photon and one dark photon, which has a large probability to fake a diphoton event, the resonance is allowed to be a vector. Due to the difference in detector, the cross sections measured in ATLAS and CMS do not necessarily match. Furthermore, if the diphoton signal is given by the dark photons, the SM $Z\gamma$ and $ZZ$ final states do not necessarily come with the $\gamma\gamma$ channel, which is a unique signature in our scenario. The issue studied here is relevant also for any future new physics searches with photon(s) in the final state. We discuss possible ways of distinguishing dark photon decay and real photon in the future., Comment: 11 pages + reference, 6 figures; add more discussions on the converted/unconverted photon ratio; matches version published in PRD

Published
2016
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10. Exotic Electroweak Signals in Twin Higgs

Author

Cheng, Hsin-Chia, Salvioni, Ennio, and Tsai, Yuhsin

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

The Twin Higgs model is the preeminent example of a theory of neutral naturalness, where the new particles that alleviate the little hierarchy problem are Standard Model (SM) singlets. The most promising collider search strategy, based on rare Higgs decays, is nevertheless not effective in significant regions of the parameter space of the low energy theory. This underlines the importance of phenomenological studies on ultraviolet completions of the Twin Higgs model, which must lie at a scale lower than 5-10 TeV. We pursue this course in the context of non-supersymmetric completions, focusing on exotic fermions that carry SM electroweak and twin color charges, as well as on exotic vectors that transform as the bi-fundamental of the electroweak or color groups. Both $Z_2$-preserving and $Z_2$-breaking mass spectra are considered for the exotic fermions. In the former case they must be heavier than $\sim 1$ TeV, but can still be sizably produced in the decays of the color bi-fundamental vector. In the $Z_2$-breaking scenario, the exotic fermions can have masses in the few hundred GeV range without significantly increasing the fine-tuning. Once pair-produced through the electroweak interactions, they naturally form bound states held together by the twin color force, which subsequently annihilate back to SM particles. The associated resonance signals are discussed in detail. We also outline the phenomenology of the electroweak bi-fundamental vectors, some of which mix with the SM $W$ and $Z$ and can therefore be singly produced in hadron collisions., Comment: 36 pages, 9 figures; v2: version published in PRD, a few discussions extended to address referee's comments. References added

Published
2016
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11. The birds and the Bs in RS: the b to s gamma penguin in a warped extra dimension

Author

Blanke, Monika, Shakya, Bibhushan, Tanedo, Philip, and Tsai, Yuhsin

Subjects
High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics::Lattice, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

We calculate contributions to the photon and gluon magnetic dipole operators that mediate b -> s gamma and b -> d gamma transitions in the Randall-Sundrum model of a warped extra dimension with anarchic bulk fermions and a brane localized Higgs. Unlike the Standard Model, there are large contributions to the left-handed b quark decays, parameterized by the Wilson coefficient C'_7, due to the pattern of bulk fermion localization, and sizable contributions from the gluonic penguins, C(')_8, through renormalization group mixing. Further, unlike the Randall-Sundrum result for mu -> e gamma, the unprimed Wilson coefficients receive non-negligible contributions from the misalignment of the bulk fermion spectrum with the Standard Model flavor sector. We compare the size of effects and the constraints imposed by the branching ratios Br(B -> X_s gamma) and X_d gamma)> within the minimal and the custodial model. Within the custodial framework, we study the effect on a number of benchmark observables and find that Br(B -> X_s mu^+ mu^-) and the forward-backward asymmetry in B -> K^* mu^+ mu^- remain close to their Standard Model predictions. On the other hand, there can be large enhancements of the time-dependent CP asymmetry in B -> K^* gamma and the transverse asymmetry A_T^(2)., 47 pages, 14 figures. Matches published version

Published
2012

12. Warped Penguins

Author

Csáki, Csaba, Grossman, Yuval, Tanedo, Philip, and Tsai, Yuhsin

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences
Abstract

We present an analysis of the loop-induced magnetic dipole operator in the Randall-Sundrum model of a warped extra dimension with anarchic bulk fermions and an IR brane localized Higgs. These operators are finite at one-loop order and we explicitly calculate the branching ratio for mu to e gamma using the mixed position/momentum space formalism. The particular bound on the anarchic Yukawa and KK scales can depend on the flavor structure of the anarchic matrices. It is possible for a generic model to either be ruled out or unaffected by these bounds without any fine tuning. We quantify how these models realize this surprising behavior. We also review tree-level lepton flavor bounds in these models and show that these are are in mild tension with the penguin bounds from typical models with a 3 TeV Kaluza-Klein scale. Further, we illuminate the nature of the one-loop finiteness of these diagrams and show how to accurately determine the degree of divergence of a 5D loop diagram using both the 5D and KK formalism. This power counting can be obfuscated in the 4D Kaluza-Klein formalism and we explicitly point out subtleties that ensure that the two formalisms agree. Finally, we remark on the existence of a perturbative regime in which these one-loop results give the dominant contribution., Comment: 29 pages + appendices (55 pages total). 11 figures. Corrected typos, updated references. Corrected diagrams, main conclusions unchanged

Published
2010
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13. CEPC Conceptual Design Report: Volume 2 - Physics & Detector

Author

Guimarães Da Costa, João Barreiro, Gao, Yuanning, Jin, Shan, Qian, Jianming, Tully, Christopher G., Young, Charles, Wang, Lian-Tao, Ruan, Manqi, Zhu, Hongbo, Dong, Mingyi, Ouyang, Qun, Wu, Zhigang, Deng, Zhi, Li, Yulan, Qi, Huirong, Wang, Meng, Fu, Chengdong, Yao, Wei-Ming, Grancagnolo, Franco, Liu, Jianbei, Hu, Tao, Yang, Haijun, Bedeschi, Franco, Ferrari, Roberto, Zhao, Wei, Zhu, Zian, Giacomelli, Paolo, Li, Liang, Li, Fei, Liu, Zhenan, Zhu, Kejun, Hou, Suen, Bozovic Jelisavcic, Ivanka, Li, Gang, Fang, Yaquan, Li, Qiang, Boonekamp, Maarten, Liang, Zhijun, Piccinini, Fulvio, Shi, Xin, Abbrescia, Marcello, Ahmad, Muhammad, Ai, Xiaocong, Albergo, Sebastiano, Aleem, Muhammad Abid, Alexeev, Maxim, Aliev, Malik, Altmannshofer, Wolfgang, Alves, Fábio, An, Fenfen, An, Guangpeng, An, Haipeng, An, Qi, An, Rui, Andreazza, Attilio, Anduze, Marc, Antonello, Massimiliano, Garcia Pascual, Juan Antonio, Antusch, Stefan, Arhrib, Abdesslam, Arkani-Hamed, Nima, Arndt, Kirk, Azzi, Patrizia, Azzurri, Paolo, Palmer, Robert B., Bai, Bowen, Bai, Sha, Bai, Yang, Bai, Yu, Balagura, Vladislav, Balossino, Ilaria, Ban, Yong, Barger, Vernon, Barklow, Timothy, Bartalini, Paolo, Becattini, Francesco, Bellagamba, Lorenzo, Belloni, Alberto, Bencivenni, Giovanni, Berg, J. Scott, Bernius, Catrin, Bertani, Monica, Bertella, Claudia, Bertucci, Michele, Bi, Xiaojun, Bi, Yuanjie, Bian, Ligong, Bian, Tianjian, Bianchi, Fabrizio, Bigi, Ikaros I., Biglietti, Michela, Bignami, Andrea, Bilei, Gianmario, Borgonovi, Lisa, Bortoletto, Daniela, Bortone, Alberto, Boscherini, Davide, Bosotti, Angelo, Boudry, Vincent, Braibant, Sylvie, Bramante, Joseph, Branchini, Paolo, Brient, Jean-Claude, Caccia, Massimo, Cai, Chengfeng, Cai, Hao, Cai, Wenyong, Cai, Xiao, Cai, Yiming, Cai, Yuchen, Cai, Yunhai, Cai, Zhiqiang, Cano Bret, Marc, Cao, Bo, Cao, Dewen, Cao, Jianshe, Cao, Junjie, Cao, Qing-Hong, Carloni Calame, Carlo Michel, Casanova, Raimon, Cavasinni, Vincenzo, Chai, Junying, Chai, Weiping, Chang, Ningbo, Chang, Qin, Chang, Spencer, Chang, We-Fu, Chang, Xuejun, Chang, Yuan-Hann, Chekanov, Sergei, Chen, Bin, Chen, Chunhui, Chen, Fusan, Chen, Gang, Chen, Guoming, Chen, Huan, Chen, Huirun, Chen, Lei, Chen, Liejian, Chen, Mingjun, Chen, Mingshui, Chen, Nian, Chen, Ning, Chen, Shanhong, Chen, Shanzhen, Chen, Shao-Long, Chen, Shaomin, Chen, Shenjian, Chen, Shi, Chen, Wei, Chen, Wen, Chen, Xin, Chen, Xun, Chen, Xurong, Chen, Ye, Chen, Yu, Chen, Yuan, Chen, Yuanbai, Chen, Yukai, Chen, Zhenxing, Cheng, Hao, Cheng, Hsin-Chia, Cheng, Huajie, Cheng, Jian, Cheng, Shan, Cheng, Tongguang, Cheng, Weishuai, Cheong, Sanha, Chi, Yunlong, Chiarello, Gianluigi, Chiesa, Mauro, Chiu, Wen Han, Chou, Weiren, Chu, Chungming Paul, Chu, Ming-Chung, Chu, Xiaotong, Chu, Zhaolin, Chua, Chun-Khiang, Cibinetto, Gianluigi, Ciuchini, Marco, Cobal, Marina, Cochran, James, Coelho Lopes Sa, Rafael, Cossio, Fabio, Craig, Nathaniel, Cui, Han, Cui, Hanhua, Cui, Xiaohao, Cui, Zhaoyuan, Curtin, David, D Agnolo, Raffaele Tito, Dai, Jian-Ping, Dai, Jianping, Dai, Jin, Dai, Lei, Dai, Wei, Dai, Xuwen, Curtis, Stefania, Filippis, Nicola, Lucia, Erika, Mori, Francesca, Delgado, Antonio, Demarteau, Marcel, Deng, Changdong, Deng, Wei-Tian, Destefanis, Marco, Dev, P. S. Bhupal, Di Micco, Biagio, Ding, Ran, Ding, Xuefeng, Ding, Yadong, Da Rocha Rolo, Manuel Dionisio, Domenici, Danilo, Dong, Bingbing, Dong, Chongmin, Dong, Dong, Dong, Haiyi, Dong, Jianing, Dong, Jing, Dong, Lan, Dopke, Jens, Dordevic, Milos, Dos Santos Ramos, Tiago, Draper, Patrick, Drewes, Marco, Du, Mingxuan, Duan, Guang Hua, Eklund, Lars, Eno, Sarah, Erler, Jens, Essig, Rouven, Fan, Jiji, Fan, Shenghong, Fan, Wenjie, Fan, Xiangning, Fang, Shuangshi, Fano, Livio, Farilla, Addolarata, Farinelli, Riccardo, Faus-Golfe, Angeles, Fedderke, Michael A., Felici, Giulietto, Feng, Changqing, Feng, Cunfeng, Feng, Feng, Feng, Jianxin, Feng, Jun, Feng, Tai-Fu, Fischer, Oliver, Flores Castillo, Luis Roberto, Fontanesi, Elisa, Freitas, Ayres, Frotin, M., Frugiuele, Claudia, Fu, Jinyu, Fu, Qibin, Fu, Shinian, Fuchs, Elina, Fukuda, Shigeki, Gabrielli, Emidio, Gaido, Luciano, Gan, Pingping, Gao, Jie, Gao, Jun, Gao, Wu, Gao, Yanyan, Gao, Yu, Garzia, Isabella, Gaudio, Gabriella, Ge, Shao-Feng, Geng, Chao-Qiang, Geng, Huiping, Li-Sheng Geng, Gentile, Simonetta, Giraud, J., Giudice, Gian, Godbole, Rohini M., Gong, Dianjun, Gong, Guanghua, Gong, Hui, Gong, Li, Gong, Lingling, Gori, Stefania, Gou, Quanbu, Greco, Mario, Greco, Michela, Gribanov, Sergei S., Grinstein, Sebastian, Grondin, D., Gu, Jiayin, Gu, Limin, Gu, Pei-Hong, Guidi, Vincenzo, Guo, Fangyi, Guo, Jingyuan, Guo, Jun, Guo, Lei, Guo, Xin, Guo, Yuanyuan, Guo, Zhigang, Gupta, Ramesh, Han, Chengcheng, Han, Dejun, Han, Jinzhong, Han, Liangliang, Han, Ran, Han, Ruixiong, Han, Shuang, Han, Yanliang, Han, Yubo, Hang, Yanfeng, Hao, Jiankui, Hao, Xiqing, He, Dayong, He, Hong-Jian, He, Jibo, He, Jun, He, Min, He, Xiang, He, Xianke, He, Xiaogang, He, Yangle, He, Zhenqiang, Heinemeyer, Sven, Heng, Yuekun, Hong, Daojin, Hong, Jiangliu, Hong, Yang, Hor, Yuenkeung, Hostachy, J. -Y, Hou, Qingbo, Hou, Zhilong, Hsu, Shih-Chieh, Hu, Bitao, Hu, Jifeng, Hu, Jun, Hu, Shouyang, Hu, Shuyang, Hu, Yongcai, Hu, Yu, Hu, Zhen, Hu, Zhongjun, Huang, Chao-Shang, Huang, Fapeng, Huang, Guangshun, Huang, Guo-Yuan, Huang, Jinghui, Huang, Jinshu, Huang, Junjie, Huang, Liangsheng, Huang, Rijun, Huang, Shuhui, Huang, Tongming, Huang, Tuchen, Huang, Xiaozhong, Huang, Xingtao, Huang, Xuguang, Huang, Yanping, Huang, Yongsheng, Huang, Yuyan, Huo, Ran, Ignatov, Fedor V., Iqbal, Munawar, Jackson, Paul, Javaid, Tahir, Ji, Daheng, Ji, Qingping, Ji, Xiaoli, Jia Jia, Jia, Junji, Jia, Yu, Jia, Zihang, Jiang, Jiechen, Jiang, Yun, Jiao, Jianbin, Jin, Dapeng, Jin, Mingjie, Jin, Song, Jin, Yanli, Jin, Yi, Jing, Maoqiang, John, Jaya, Jones, Tim, Ju, Xudong, Jueid, Adil, Jung, Sunghoon, Jyotishmati, Susmita, Kacarevic, Goran, Kane, Gordon, Kang, Wen, Karagoz, Muge, Kato, Chikuma, Ke, Zhiyong, Kharzeev, Dmitri, Khoze, Valentin, Kilic, Can, Kiuchi, Ryuta, Ko, Pyungwon, Kobayashi, Tetsuya, Kong, Panyu, Kong, Shibei, Kopp, Joachim, Kotwal, Ashutosh, Kozaczuk, Jonathan, Kozyrev, Evgeny A., Krasnov, Alexander, Kuflik, Eric, Kuo, Chia-Ming, Kwok, King Wai, Lagarde, Francois, Lai, Pei-Zhu, Laktineh, Imad, Lan, Boyang, Lan, Xiaofei, Lavezzi, Lia, Lee, Seung J., Lei, Ge, Leng, Yongbin, Leung, Sze Ching, Li, Bingzhi, Li, Bo, Li, Boyang, Li, Changhong, Li, Cheng, Li, Congqiao, Li, Dazhang, Li, Dikai, Li, Fengyun, Li, Gexing, Li, Guangrui, Li, Hai-Bo, Li, Haifeng, Li, Haoqing, Li, Hengne, Li, Honglei, Li, Huijing, Li, Jin, Li, Jing, Li, Jinmian, Li, Jinyan, Li, Jungang, Li, Kang, Li, Ke, Li, Li, Li, Lianming, Li, Long, Li, Mengran, Li, Minxian, Li, Peirong, Li, Peiyu, Li, Peng, Li, Qiaodan, Li, Quansheng, Li, Rui, Li, Shaopeng, Li, Shiyuan, Li, Shu, Li, Tianjun, Li, Tong, Li, Weiguo, Li, Wenjun, Li, Xiaoling, Li, Xiaomei, Li, Xiaoping, Li, Xin, Li, Xingguo, Li, Xin-Qiang, Li, Yanwei, Li, Yiming, Ying Li, Li, Ying-Ying, Li, Yufeng, Li, Zhao, Li, Zhenghua, Li, Zhihui, Li, Zhongquan, Li, Ziyuan, Liang, Chaohui, Liang, Hao, Liang, Jing, Liang, Jinhan, Liang, Zuotang, Liao, Hean, Liao, Hongbo, Liao, Jinfeng, Liao, Libo, Liao, Wei, Liao, Yi, Liao, Yunfeng, Lin, Chuangxin, Lin, Hai, Lin, Haiying, Ling, Jiajie, Ling, Pan, Lisanti, Mariangela, Liu, Ao, Liu, Baiqi, Liu, Beijiang, Liu, Bing, Liu, Bo, Liu, Dianyu, Liu, Dong, Liu, Fu-Hu, Liu, Hongbang, Liu, Hu, Liu, Jia, Liu, Jiaming, Liu, Jian, Liu, Jianfei, Liu, Jiangtao, Liu, Jie, Liu, Jindong, Liu, Kexin, Liu, Ling, Liu, Liqiang, Liu, Ming, Liu, Ning, Liu, Peilian, Liu, Qian, Liu, Qingyuan, Liu, Shubin, Liu, Shulin, Liu, Tao, Liu, Weitao, Liu, Wendi, Liu, Xiang, Liu, Xiaohui, Liu, Xin, Liu, Xuesong, Liu, Xuewen, Liu, Xuyang, Liu, Yandong, Liu, Yang, Liu, Yanlin, Liu, Yi, Liu, Yong, Liu, Yudong, Liu, Zengqiang, Liu, Zeyuan, Liu, Zhanfeng, Liu, Zhaofeng, Liu, Zhen, Liu, Zhenchao, Liu, Zhongxiu, Liu, Zuowei, Llorente Merino, Javier, Lo, Cheuk Yee, Logashenko, Ivan B., Long, Andrew, Lou, Xinchou, Low, Ian, Low, Matthew, Lu, Cai-Dian, Lu, Wei, Lu, Weiguo, Lu, Yuanrong, Lu, Yunpeng, Lu, Zhijun, Lukic, Strahinja, Luo, Mingcheng, Luo, Pengwei, Luo, Qing, Luo, Tao, Luo, Xiaofeng, Luo, Yanting, Luo, Zhenhuan, Lyu, Kunfeng, Lyu, Xiaorui, Ma, Huizhou, Ma, Kai, Ma, Lianliang, Ma, Na, Ma, Qiang, Ma, Rui, Ma, Wen-Gan, Ma, Xiao, Ma, Xiaotian, Ma, Xinpeng, Ma, Yanling, Ma, Yanqing, Ma, Yongsheng, Ma, Yue, Ma, Zhongjian, Maggiora, Marco, Magniette, Frédéric, Malamud, Ernie, Mangano, Michelangelo, Mao, Lijun, Mao, Mingling, Mao, Yajun, Mao, Yanmin, Mao, Yanyan, Martin, Adam, Martinez Outschoorn, Verena Ingrid, Matsumoto, Shigeki, Mccullough, Matthew, Mcmahon, Steve, Meade, Patrick, Mele, Barbara, Mellado, Bruce, Men, Lingling, Meng, Cai, Meng, Fanbo, Mezzadri, Giulio, Mi, Zhenghui, Michelato, Paolo, Min, Tianjue, Ming, Lei, Mittal, Monika, Molson, James, Monaco, Laura, Montagna, Guido, Morello, Gianfranco, Moretti, Mauro, Mu, Zhihui, Nanni, Jérome, Neubert, Matthias, Nicrosini, Oreste, Nie, Changshan, Nikitin, Sergei, Ning, Feipeng, Ning, Guo-Zhu, Nishu, Nishu, Niu, Yazhou, Ojalvo, Isobel, Okunev, Ivan, Ospanov, Rustem, Pagani, Carlo, Paganis, Stathes, Panareo, Marco, Pandurovic, Mila, Pang, Tong, Panizzo, Giancarlo, Paparella, Rocco, Parida, Bibhuti, Passemar, Emilie, Pei, Guoxi, Pei, Shilun, Peng, Quanling, Peng, Xiaohua, Peng, Yuemei, Petrov, Alexey, Pezzotti, Lorenzo, Pierre-Émile, Thomas, Ping, Rong-Gang, Plackett, Richard, Polesello, Giacomo, Poli Lener, Marco, Polini, Alessandro, Popov, Alexandr S., Prell, Soeren, Qi, Ming, Qian, Sen, Qian, Zhuoni, Qiao, Cong-Feng, Qiao, Yusi, Qin, Guang-You, Qin, Qin, Qin, Qing, Qin, Zhonghua, Qu, Huamin, Ramani, Harikrishnan, Ramsey-Musolf, Michael, Redaelli, Stefano, Reece, Matthew, Ren, Jing, Rischke, Dirk, Rivetti, Angelo, Roda, Chiara, Rolandi, Luigi, Rompotis, Nikolaos, Ruan, Xifeng, Ruiz, Richard, Sabbi, Gianluca, Sang, Wen-Long, Santoro, Romualdo, Sanz-Cillero, Juan J., Schlaffer, Matthias, Schmid, Frank, Schuster, Philip, Schuy, Alex, Schwaller, Pedro, Sciuto, Antonella, Sen, Tanaji, Sertore, Daniele, Sha, Peng, Shan, Lianyou, Shang, Feng, Shao, Dingyu, Shao, Jianxiong, Shashkov, Yaroslav, Shelton, Jessie, Shen, Cheng-Ping, Shen, Peixun, Shen, Qiuping, Shen, Yang, Shen, Yuqiao, Shen, Zhongtao, Shi, Can, Shi, Haoyu, Shi, Jingyuan, Shi, Liaoshan, Shi, Renjie, Shi, Yu-Ji, Shi, Yukun, Shi, Yulong, Shin, Seodong, Shipsey, Ian, Shiu, Gary, Shu, Guan, Shu, Jing, Si, Zonguo, Silvestrini, Luca, Sinyatkin, Sergey, Song, Hong, Song, Mao, Song, Weimin, Stamou, Emannuel, Stratakis, Diktys, Su, Dong, Su, Feng, Su, Shufang, Su, Wanyun, Su, Wei, Su, Yangjie, Sui, Yanfeng, Sullivan, Michael, Sun, Baogeng, Sun, Daming, Sun, Guoqiang, Sun, Hao, Sun, Junfeng, Sun, Liang, Sun, Peng, Sun, Qingfeng, Sun, Shengsen, Sun, Sichun, Sun, Tingting, Sun, Xiangming, Sun, Xianjing, Sun, Xilei, Sun, Yanjun, Sun, Yongzhao, Sundrum, Raman, Tang, Chuanxiang, Tang, Guangyi, Tang, Jian, Tang, Jiannan, Tang, Jingyu, Tang, Songzhi, Tang, Yi-Lei, Tao, Jia, Tao, Junquan, Tassielli, Giovanni, Tenchini, Roberto, Teytelman, Dmitry, Thaler, Jesse, Tian, Saike, Tian, Xingcheng, Tonelli, Guido, Tong, Xinyu, Trentadue, Luca, Tsai, Yuhsin, Tsybychev, Dmitri, Tu, Yanjun, Tweedie, Brock, Unwin, James, Verducci, Monica, Vicini, Alessandro, Videau, Henri, Viehhauser, Georg, Vivarelli, Iacopo, Vossebeld, Joost, Vukasinovic, Natasa, Wan, Xia, Wang, Biao, Wang, Bin, Wang, Binlong, Wang, Bo, Wang, Chengtao, Wang, Chengwei, Wang, Chenliang, Wang, Dayong, Wang, Dou, Wang, Fei, Wang, Feng, Wang, Gang, Wang, Haijing, Wang, Haiyun, Wang, Hui, Wang, Jian, Wang, Jianchun, Wang, Jianli, Wang, Jianxiong, Wang, Jiawei, Wang, Jie, Wang, Jin, Wang, Jing, Wang, Jinwei, Wang, Ke, Wang, Kechen, Wang, Kunfu, Wang, Liangliang, Wang, Lijiao, Wang, Linlin, Wang, Longge, Wang, Lu, Wang, Meifen, Wang, Na, Wang, Pengcheng, Wang, Qun, Wang, Qunyao, Wang, Ran, Wang, Ren-Jie, Wang, Rongkun, Wang, Shaobo, Wang, Shaozhe, Wang, Shengchang, Wang, Shuzheng, Wang, Siguang, Wang, Tianhong, Wang, Tong, Wang, Wei, Wang, Weiping, Wang, Wenyu, Wang, Xi, Wang, Xiangjian, Wang, Xiangqi, Wang, Xiaolong, Wang, Xiaoning, Wang, Xiaoping, Wang, Xin, Wang, Xingze, Wang, Xiongfei, Wang, Yan, Wang, Yaqian, Wang, Yi, Wang, Yifang, Wang, Ying, Wang, Yiwei, Wang, Yong, Wang, Youkai, Wang, Yu, Wang, Yufeng, Wang, Yuhao, Wang, Zhaofeng, Wang, Zhigang, Wang, Zhipeng, Wang, Zhiyong, Wang, Zirui, Wang, Zixun, Wang, Zongyuan, Wei, Runing, Wei, Shujun, Wei, Wei, Wei, Xiaomin, Wei, Yuanyuan, Wei, Yuqian, Wen, Shuopin, Wen, Zhiwen, Willocq, Stephane, Witte, Holger, Wu, Jinfei, Wu, Juan, Wu, Kewei, Wu, Lei, Wu, Linghui, Wu, Mengqing, Wu, Peiwen, Wu, Tianya, Wu, Wenhuan, Wu, Xi, Wu, Xiao-Hong, Wu, Xing-Gang, Wu, Xu, Wu, Xueting, Wu, Ye, Wu, Yuwen, Wu, Zhi, Xia, Wenhao, Xiang, Dao, Xiang, Qian-Fei, Xianyu, Zhong-Zhi, Xiao, Bo-Wen, Xiao, Dengjie, Xiao, Ning, Xiao, Ouzheng, Xiao, Rui-Qing, Xiao, Yu, Xiao, Zhen-Jun, Xie, Ke-Pan, Xie, Xinhai, Xie, Yuehong, Xie, Yuguang, Xie, Zongtai, Xing, Qingzhi, Xing, Zhizhong, Xiu, Qinglei, Xu, Chang, Xu, Da, Xu, Fanrong, Xu, Guanglei, Xu, Guangzhi, Xu, Haocheng, Xu, Hongge, Xu, Hongliang, Xu, Hui, Xu, Ji, Xu, Nu, Xu, Qing, Xu, Qingjin, Xu, Qingjun, Xu, Wei, Xu, Yin, Xu, Yongheng, Xu, Zijun, Xue, Wei, Yan, Bin, Yan, Jun, Yan, Liang, Yan, Mingyang, Yan, Qi-Shu, Yan, Tian, Yan, Wenbiao, Yan, Yingbing, Yang, Bingfang, Yang, Huan, Yang, Jiancheng, Yang, Jianquan, Yang, Jin Min, Yang, Jing, Yang, Junfeng, Yang, Li, Yang, Liu, Yang, Mei, Yang, Ping, Yang, Qianwen, Yang, Xingwang, Yang, Xuan, Yang, Ye, Yang, Ying, Yang, Yong, Yang, Yongliang, Yang, Yueling, Yang, Zhenwei, Yao, Weichao, Yatsenko, Elena, Ye, Hanfei, Ye, Jingbo, Ye, Mei, Ye, Qiang, Ye, Ziping, Yi, Fang, Yi, Kai, Yilun, Xue, Yin, Hang, Yin, Pengfei, Yin, Xiangwei, Yin, Ze, Yin, Zhongbao, You, Zhengyun, Yu, Boxiang, Yu, Chenghui, Yu, Chunxu, Yu, Dan, Yu, Felix, Yu, Fusheng, Yu, Lingda, Yu, Lu, Yu, Yue, Yu, Zhao-Huan, Yuan, Li, Yuan, Siyu, Yuan, Ye, Yuan, Youjin, Yuan, Zhiyang, Yue, Chongxing, Yue, Junhui, Yue, Qian, Zaib, Un-Nisa, Zhai, Jian, Zhai, Jiyuan, Zhang, Baotang, Zhang, Ben-Wei, Zhang, Bo, Zhang, Bowen, Zhang, Cen, Zhang, Chad, Zhang, Chunlei, Zhang, Di, Zhang, Gang, Zhang, Guangyi, Zhang, Guoqing, Zhang, Hai-Bin, Zhang, Hao, Zhang, Honghao, Zhang, Hongyu, Zhang, Huaqiao, Zhang, Hui, Zhang, Jian, Zhang, Jianhui, Zhang, Jianqin, Zhang, Jielei, Zhang, Jingru, Zhang, Jinlong, Zhang, Junrui, Zhang, Kaili, Zhang, Lei, Zhang, Liang, Zhang, Liming, Zhang, Linhao, Zhang, Ren-You, Zhang, Rui, Zhang, Sifan, Zhang, Tianjiao, Zhang, Wenchao, Zhang, Xiangke, Zhang, Xiaohui, Zhang, Xinmin, Zhang, Xinying, Zhang, Xueyao, Zhang, Yang, Zhang, Yao, Zhang, Yi, Zhang, Ying, Zhang, Yongchao, Zhang, Yu, Zhang, Yuan, Zhang, Yuhong, Zhang, Yu-Jie, Zhang, Yulei, Zhang, Yulian, Zhang, Yumei, Zhang, Yunlong, Zhang, Yuxuan, Zhang, Zhaoru, Zhang, Zhen, Zhang, Zhenyu, Zhang, Zhiqing, Zhang, Zhiyong, Zhao, Chen, Zhao, Hang, Zhao, Jingxia, Zhao, Jingyi, Zhao, Ling, Zhao, Mei, Zhao, Minggang, Zhao, Mingrui, Zhao, Peng, Zhao, Qiang, Zhao, Shensen, Zhao, Shuai, Zhao, Shu-Min, Zhao, Tongxian, Zhao, Xianghu, Zhao, Xiaoran, Zhao, Xiaoyan, Zhao, Ying, Zhao, Yu, Zhao, Yue, Zhao, Zhengguo, Zhao, Zhen-Xing, Zhao, Zhuo, Zheng, Bo, Zheng, Hongjuan, Zheng, Liang, Zheng, Ran, Zheng, Shuxin, Zheng, Taifan, Zheng, Xuxing, Zheng, Ya-Juan, Zheng, Yangheng, Zhi, Yu, Zhong, Bin, Zhong, Yiming, Zhou, Bing, Zhou, Hai-Qing, Zhou, Hang, Zhou, Jia, Zhou, Jianxin, Zhou, Jing, Zhou, Maosen, Zhou, Nan, Zhou, Ning, Zhou, Ningchuang, Zhou, Shiyu, Zhou, Shun, Zhou, Sihong, Zhou, Siyi, Zhou, Xiang, Zhou, Yang, Zhou, Yi, Zhou, Yu-Feng, Zhou, Zusheng, Zhu, Changhe, Zhu, Chengguang, Zhu, Chenzheng, Zhu, Dechong, Zhu, Hongyan, Zhu, Hua-Xing, Zhu, Jiamin, Zhu, Jiang, Zhu, Jingya, Zhu, Jingyu, Zhu, Junjie, Zhu, Kai, Zhu, Kun, Zhu, Li, Zhu, Ruilin, Zhu, Xianglei, Zhu, Xuezheng, Zhu, Yifan, Zhu, Yingshun, Zhu, Yongfeng, Zhuang, Xuai, Zong, Hongshi, Zou, Cong, Zou, Jiaheng, Zou, Ye, Zupan, Jure, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Galaxies, Etoiles, Physique, Instrumentation (GEPI), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), CEPC Study Group, Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), and HEP, INSPIRE

Subjects
detector: technology, Higgs particle: particle source, electron positron: storage ring, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], engineering, FOS: Physical sciences, threshold: production, electron positron: annihilation, B-factory, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], accelerator: technology, detector: design, Particle Physics - Phenomenology, new physics, hep-ex, Z0: decay, Higgs-factory, High Energy Physics::Phenomenology, Z0: particle source, hep-ph, electron positron: colliding beams, sensitivity, CEPC, High Energy Physics - Phenomenology, tau: particle source, 240 GeV-cms, vertex: primary, Higgs particle: electroproduction, charm: particle source, High Energy Physics::Experiment, proposed experiment, numerical calculations: Monte Carlo, Z0-factory, performance, Particle Physics - Experiment
Abstract

The Circular Electron Positron Collider (CEPC) is a large international scientific facility proposed by the Chinese particle physics community to explore the Higgs boson and provide critical tests of the underlying fundamental physics principles of the Standard Model that might reveal new physics. The CEPC, to be hosted in China in a circular underground tunnel of approximately 100 km in circumference, is designed to operate as a Higgs factory producing electron-positron collisions with a center-of-mass energy of 240 GeV. The collider will also operate at around 91.2 GeV, as a Z factory, and at the WW production threshold (around 160 GeV). The CEPC will produce close to one trillion Z bosons, 100 million W bosons and over one million Higgs bosons. The vast amount of bottom quarks, charm quarks and tau-leptons produced in the decays of the Z bosons also makes the CEPC an effective B-factory and tau-charm factory. The CEPC will have two interaction points where two large detectors will be located. This document is the second volume of the CEPC Conceptual Design Report (CDR). It presents the physics case for the CEPC, describes conceptual designs of possible detectors and their technological options, highlights the expected detector and physics performance, and discusses future plans for detector R&D and physics investigations. The final CEPC detectors will be proposed and built by international collaborations but they are likely to be composed of the detector technologies included in the conceptual designs described in this document. A separate volume, Volume I, recently released, describes the design of the CEPC accelerator complex, its associated civil engineering, and strategic alternative scenarios., 424 pages

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