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1. Detector requirements and simulation results for the EIC exclusive, diffractive and tagging physics program using the ECCE detector concept

Author

A. Bylinkin, C.T. Dean, S. Fegan, D. Gangadharan, K. Gates, S.J.D. Kay, I. Korover, W.B. Li, X. Li, R. Montgomery, D. Nguyen, G. Penman, J.R. Pybus, N. Santiesteban, S. Shimizu, R. Trotta, A. Usman, M.D. Baker, J. Frantz, D.I. Glazier, D.W. Higinbotham, T. Horn, J. Huang, G.M. Huber, R. Reed, J. Roche, A. Schmidt, P. Steinberg, J. Stevens, Y. Goto, C. Munoz Camacho, M. Murray, Z. Papandreou, W. Zha, J.K. Adkins, Y. Akiba, A. Albataineh, M. Amaryan, I.C. Arsene, C. Ayerbe Gayoso, J. Bae, X. Bai, M. Bashkanov, R. Bellwied, F. Benmokhtar, V. Berdnikov, J.C. Bernauer, F. Bock, W. Boeglin, M. Borysova, E. Brash, P. Brindza, W.J. Briscoe, M. Brooks, S. Bueltmann, M.H.S. Bukhari, R. Capobianco, W.-C. Chang, Y. Cheon, K. Chen, K.-F. Chen, K.-Y. Cheng, M. Chiu, T. Chujo, Z. Citron, E. Cline, E. Cohen, T. Cormier, Y. Corrales Morales, C. Cotton, J. Crafts, C. Crawford, S. Creekmore, C. Cuevas, J. Cunningham, G. David, M. Demarteau, S. Diehl, N. Doshita, R. Dupré, J.M. Durham, R. Dzhygadlo, R. Ehlers, L. El Fassi, A. Emmert, R. Ent, C. Fanelli, R. Fatemi, M. Finger, M. Friedman, I. Friscic, S. Gardner, F. Geurts, R. Gilman, E. Glimos, N. Grau, S.V. Greene, A.Q. Guo, L. Guo, S.K. Ha, J. Haggerty, T. Hayward, X. He, O. Hen, M. Hoballah, A. Hoghmrtsyan, P.-h.J. Hsu, A. Hutson, K.Y. Hwang, C.E. Hyde, M. Inaba, T. Iwata, H.S. Jo, K. Joo, N. Kalantarians, G. Kalicy, K. Kawade, A. Kim, B. Kim, C. Kim, M. Kim, Y. Kim, E. Kistenev, V. Klimenko, S.H. Ko, W. Korsch, G. Krintiras, S. Kuhn, C.-M. Kuo, T. Kutz, J. Lajoie, D. Lawrence, S. Lebedev, H. Lee, J.S.H. Lee, S.W. Lee, Y.-J. Lee, W. Li, Y.T. Liang, S. Lim, C.-h. Lin, D.X. Lin, K. Liu, M.X. Liu, K. Livingston, N. Liyanage, W.J. Llope, C. Loizides, E. Long, R.-S. Lu, Z. Lu, W. Lynch, S. Mantry, D. Marchand, M. Marcisovsky, C. Markert, P. Markowitz, H. Marukyan, P. McGaughey, M. Mihovilovic, R.G. Milner, A. Milov, Y. Miyachi, A. Mkrtchyan, P. Monaghan, D. Morrison, A. Movsisyan, H. Mkrtchyan, K. Nagai, J. Nagle, I. Nakagawa, C. Nattrass, S. Niccolai, R. Nouicer, G. Nukazuka, M. Nycz, V.A. Okorokov, S. Orešić, J.D. Osborn, C. O’Shaughnessy, S. Paganis, S.F. Pate, M. Patel, C. Paus, M.G. Perdekamp, D.V. Perepelitsa, H. Periera da Costa, K. Peters, W. Phelps, E. Piasetzky, C. Pinkenburg, I. Prochazka, T. Protzman, M.L. Purschke, J. Putschke, R. Rajput-Ghoshal, J. Rasson, B. Raue, K.F. Read, K. Røed, J. Reinhold, E.L. Renner, J. Richards, C. Riedl, T. Rinn, G.M. Roland, G. Ron, M. Rosati, C. Royon, J. Ryu, S. Salur, R. Santos, M. Sarsour, J. Schambach, N. Schmidt, C. Schwarz, J. Schwiening, R. Seidl, A. Sickles, P. Simmerling, S. Sirca, D. Sharma, Z. Shi, T.-A. Shibata, C.-W. Shih, U. Shrestha, K. Slifer, K. Smith, D. Sokhan, R. Soltz, W. Sondheim, J. Song, I.I. Strakovsky, P. Stepanov, J. Strube, P. Sun, X. Sun, K. Suresh, V. Tadevosyan, W.-C. Tang, S. Tapia Araya, S. Tarafdar, L. Teodorescu, D. Thomas, A. Timmins, L. Tomasek, N. Trotta, T.S. Tveter, E. Umaka, H.W. van Hecke, C. Van Hulse, J. Velkovska, E. Voutier, P.K. Wang, Q. Wang, Y. Wang, D.P. Watts, N. Wickramaarachchi, L. Weinstein, M. Williams, C.-P. Wong, L. Wood, M.H. Wood, C. Woody, B. Wyslouch, Z. Xiao, Y. Yamazaki, Y. Yang, Z. Ye, H.D. Yoo, M. Yurov, N. Zachariou, W.A. Zajc, J.-L. Zhang, J.-X. Zhang, Y. Zhang, Y.-X. Zhao, X. Zheng, P. Zhuang, HEP, INSPIRE, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, detector: performance, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], nucleon: structure, diffraction, FOS: Physical sciences, tagging, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], ion: beam, Diffractive, exclusive, EIC, Tagging, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), electron–ion collider, Instrumentation, Nuclear Experiment, detector: design, quark gluon, nucleus, Electron Ion Collider, Instrumentation and Detectors (physics.ins-det), experimental equipment, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], diffractive, Exclusive, vertex: primary, ECCE, technology: proposed
Abstract

The version of this article on this repository is an arXiv preprint (arXiv:2208.14575v2 [physics.ins-det] Mon, 6 Mar 2023 19:46:42 UTC (39,794 KB)) submitted to Elsevier and is not the final, peer reviewed, corrected article. It is made available under a Creative Commons (CC BY 4.0) Attribution License. This article presents a collection of simulation studies using the ECCE detector concept in the context of the EIC's exclusive, diffractive, and tagging physics program, which aims to further explore the rich quark–gluon structure of nucleons and nuclei. To successfully execute the program, ECCE proposed to utilize the detector system close to the beamline to ensure exclusivity and tag ion beam/fragments for a particular reaction of interest. Preliminary studies confirm the proposed technology and design satisfy the requirements. The projected physics impact results are based on the projected detector performance from the simulation at 10 or 100 fb−1 of integrated luminosity. Additionally, insights related to a potential second EIC detector are documented, which could serve as a guidepost for future development. Office of Nuclear Physics in the Office of Science in the Department of Energy, the National Science Foundation, USA, the Los Alamos National Laboratory Directed Research and Development (LDRD), USA 20200022DR, the Natural Sciences and Engineering Research Council of Canada (NSERC), and the UK Research and Innovation Science and Technology Facilities Council; This research used resources from the Compute and Data Environment for Science (CADES) at the Oak Ridge National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725; Brookhaven National Lab and the Thomas Jefferson National Accelerator Facility which are operated under contracts DE-SC0012704 and DE-AC05-06OR23177 respectively.

Published
2023

2. ECCE sensitivity studies for single hadron transverse single spin asymmetry measurements

Author

R. Seidl, A. Vladimirov, D. Pitonyak, A. Prokudin, J.K. Adkins, Y. Akiba, A. Albataineh, M. Amaryan, I.C. Arsene, C. Ayerbe Gayoso, J. Bae, X. Bai, M.D. Baker, M. Bashkanov, R. Bellwied, F. Benmokhtar, V. Berdnikov, J.C. Bernauer, F. Bock, W. Boeglin, M. Borysova, E. Brash, P. Brindza, W.J. Briscoe, M. Brooks, S. Bueltmann, M.H.S. Bukhari, A. Bylinkin, R. Capobianco, W.-C. Chang, Y. Cheon, K. Chen, K.-F. Chen, K.-Y. Cheng, M. Chiu, T. Chujo, Z. Citron, E. Cline, E. Cohen, T. Cormier, Y. Corrales Morales, C. Cotton, J. Crafts, C. Crawford, S. Creekmore, C. Cuevas, J. Cunningham, G. David, C.T. Dean, M. Demarteau, S. Diehl, N. Doshita, R. Dupré, J.M. Durham, R. Dzhygadlo, R. Ehlers, L. El Fassi, A. Emmert, R. Ent, C. Fanelli, R. Fatemi, S. Fegan, M. Finger, J. Frantz, M. Friedman, I. Friscic, D. Gangadharan, S. Gardner, K. Gates, F. Geurts, R. Gilman, D. Glazier, E. Glimos, Y. Goto, N. Grau, S.V. Greene, A.Q. Guo, L. Guo, S.K. Ha, J. Haggerty, T. Hayward, X. He, O. Hen, D.W. Higinbotham, M. Hoballah, T. Horn, A. Hoghmrtsyan, P.-h.J. Hsu, J. Huang, G. Huber, A. Hutson, K.Y. Hwang, C.E. Hyde, M. Inaba, T. Iwata, H.S. Jo, K. Joo, N. Kalantarians, G. Kalicy, K. Kawade, S.J.D. Kay, A. Kim, B. Kim, C. Kim, M. Kim, Y. Kim, E. Kistenev, V. Klimenko, S.H. Ko, I. Korover, W. Korsch, G. Krintiras, S. Kuhn, C.-M. Kuo, T. Kutz, J. Lajoie, D. Lawrence, S. Lebedev, H. Lee, J.S.H. Lee, S.W. Lee, Y.-J. Lee, W. Li, W.B. Li, X. Li, Y.T. Liang, S. Lim, C.-H. Lin, D.X. Lin, K. Liu, M.X. Liu, K. Livingston, N. Liyanage, W.J. Llope, C. Loizides, E. Long, R.-S. Lu, Z. Lu, W. Lynch, S. Mantry, D. Marchand, M. Marcisovsky, C. Markert, P. Markowitz, H. Marukyan, P. McGaughey, M. Mihovilovic, R.G. Milner, A. Milov, Y. Miyachi, A. Mkrtchyan, P. Monaghan, R. Montgomery, D. Morrison, A. Movsisyan, H. Mkrtchyan, C. Munoz Camacho, M. Murray, K. Nagai, J. Nagle, I. Nakagawa, C. Nattrass, D. Nguyen, S. Niccolai, R. Nouicer, G. Nukazuka, M. Nycz, V.A. Okorokov, S. Orešić, J.D. Osborn, C. O’Shaughnessy, S. Paganis, Z. Papandreou, S.F. Pate, M. Patel, C. Paus, G. Penman, M.G. Perdekamp, D.V. Perepelitsa, H. Periera da Costa, K. Peters, W. Phelps, E. Piasetzky, C. Pinkenburg, I. Prochazka, T. Protzman, M.L. Purschke, J. Putschke, J.R. Pybus, R. Rajput-Ghoshal, J. Rasson, B. Raue, K.F. Read, K. Røed, R. Reed, J. Reinhold, E.L. Renner, J. Richards, C. Riedl, T. Rinn, J. Roche, G.M. Roland, G. Ron, M. Rosati, C. Royon, J. Ryu, S. Salur, N. Santiesteban, R. Santos, M. Sarsour, J. Schambach, A. Schmidt, N. Schmidt, C. Schwarz, J. Schwiening, A. Sickles, P. Simmerling, S. Sirca, D. Sharma, Z. Shi, T.-A. Shibata, C.-W. Shih, S. Shimizu, U. Shrestha, K. Slifer, K. Smith, D. Sokhan, R. Soltz, W. Sondheim, J. Song, I.I. Strakovsky, P. Steinberg, P. Stepanov, J. Stevens, J. Strube, P. Sun, X. Sun, K. Suresh, V. Tadevosyan, W.-C. Tang, S. Tapia Araya, S. Tarafdar, L. Teodorescu, D. Thomas, A. Timmins, L. Tomasek, N. Trotta, R. Trotta, T.S. Tveter, E. Umaka, A. Usman, H.W. van Hecke, C. Van Hulse, J. Velkovska, E. Voutier, P.K. Wang, Q. Wang, Y. Wang, D.P. Watts, N. Wickramaarachchi, L. Weinstein, M. Williams, C.-P. Wong, L. Wood, M.H. Wood, C. Woody, B. Wyslouch, Z. Xiao, Y. Yamazaki, Y. Yang, Z. Ye, H.D. Yoo, M. Yurov, N. Zachariou, W.A. Zajc, W. Zha, J.-L. Zhang, J.-X. Zhang, Y. Zhang, Y.-X. Zhao, X. Zheng, P. Zhuang, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
transverse spin dependent distribution and fragmentation functions, Nuclear and High Energy Physics, FOS: Physical sciences, lepton: scattering, transverse momentum dependence, hadron: transverse momentum, fragmentation function, x-dependence, High Energy Physics - Experiment, Sivers function, semi-inclusive DIS, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], parton, Collins, Instrumentation, transversity, spin: transverse, flavor, deep inelastic scattering: semi-inclusive reaction, positron p: deep inelastic scattering, nucleon: spin: transverse, sensitivity, Transverse spin dependent distribution and fragmentation functions, error: statistical, kinematics, ECCE detector feasibility studies, charge: tensor, numerical calculations: Monte Carlo, Semi-inclusive DIS, spin: asymmetry
Abstract

We performed feasibility studies for various single transverse spin measurements that are related to the Sivers effect, transversity and the tensor charge, and the Collins fragmentation function. The processes studied include semi-inclusive deep inelastic scattering (SIDIS) where single hadrons (pions and kaons) were detected in addition to the scattered DIS lepton. The data were obtained in {\sc pythia}6 and {\sc geant}4 simulated e+p collisions at 18 GeV on 275 GeV, 18 on 100, 10 on 100, and 5 on 41 that use the ECCE detector configuration. Typical DIS kinematics were selected, most notably $Q^2 > 1 $ GeV$^2$, and cover the $x$ range from $10^{-4}$ to $1$. The single spin asymmetries were extracted as a function of $x$ and $Q^2$, as well as the semi-inclusive variables $z$, and $P_T$. They are obtained in azimuthal moments in combinations of the azimuthal angles of the hadron transverse momentum and transverse spin of the nucleon relative to the lepton scattering plane. The initially unpolarized MonteCarlo was re-weighted in the true kinematic variables, hadron types and parton flavors based on global fits of fixed target SIDIS experiments and $e^+e^-$ annihilation data. The expected statistical precision of such measurements is extrapolated to 10 fb$^{-1}$ and potential systematic uncertainties are approximated given the deviations between true and reconstructed yields. The impact on the knowledge of the Sivers functions, transversity and tensor charges, and the Collins function has then been evaluated in the same phenomenological extractions as in the Yellow Report. The impact is found to be comparable to that obtained with the parameterized Yellow Report detector and shows that the ECCE detector configuration can fulfill the physics goals on these quantities., 22 pages, 22 figures, to be submitted to joint ECCE proposal NIM-A volume

Published
2023

3. AI-assisted Optimization of the ECCE Tracking System at the Electron Ion Collider

Author

C. Fanelli, Z. Papandreou, K. Suresh, J.K. Adkins, Y. Akiba, A. Albataineh, M. Amaryan, I.C. Arsene, C. Ayerbe Gayoso, J. Bae, X. Bai, M.D. Baker, M. Bashkanov, R. Bellwied, F. Benmokhtar, V. Berdnikov, J.C. Bernauer, F. Bock, W. Boeglin, M. Borysova, E. Brash, P. Brindza, W.J. Briscoe, M. Brooks, S. Bueltmann, M.H.S. Bukhari, A. Bylinkin, R. Capobianco, W.-C. Chang, Y. Cheon, K. Chen, K.-F. Chen, K.-Y. Cheng, M. Chiu, T. Chujo, Z. Citron, E. Cline, E. Cohen, T. Cormier, Y. Corrales Morales, C. Cotton, J. Crafts, C. Crawford, S. Creekmore, C. Cuevas, J. Cunningham, G. David, C.T. Dean, M. Demarteau, S. Diehl, N. Doshita, R. Dupré, J.M. Durham, R. Dzhygadlo, R. Ehlers, L. El Fassi, A. Emmert, R. Ent, R. Fatemi, S. Fegan, M. Finger, J. Frantz, M. Friedman, I. Friscic, D. Gangadharan, S. Gardner, K. Gates, F. Geurts, R. Gilman, D. Glazier, E. Glimos, Y. Goto, N. Grau, S.V. Greene, A.Q. Guo, L. Guo, S.K. Ha, J. Haggerty, T. Hayward, X. He, O. Hen, D.W. Higinbotham, M. Hoballah, T. Horn, A. Hoghmrtsyan, P.-h.J. Hsu, J. Huang, G. Huber, A. Hutson, K.Y. Hwang, C.E. Hyde, M. Inaba, T. Iwata, H.S. Jo, K. Joo, N. Kalantarians, G. Kalicy, K. Kawade, S.J.D. Kay, A. Kim, B. Kim, C. Kim, M. Kim, Y. Kim, E. Kistenev, V. Klimenko, S.H. Ko, I. Korover, W. Korsch, G. Krintiras, S. Kuhn, C.-M. Kuo, T. Kutz, J. Lajoie, D. Lawrence, S. Lebedev, H. Lee, J.S.H. Lee, S.W. Lee, Y.-J. Lee, W. Li, W.B. Li, X. Li, Y.T. Liang, S. Lim, C.-H. Lin, D.X. Lin, K. Liu, M.X. Liu, K. Livingston, N. Liyanage, W.J. Llope, C. Loizides, E. Long, R.-S. Lu, Z. Lu, W. Lynch, S. Mantry, D. Marchand, M. Marcisovsky, C. Markert, P. Markowitz, H. Marukyan, P. McGaughey, M. Mihovilovic, R.G. Milner, A. Milov, Y. Miyachi, A. Mkrtchyan, P. Monaghan, R. Montgomery, D. Morrison, A. Movsisyan, H. Mkrtchyan, C. Munoz Camacho, M. Murray, K. Nagai, J. Nagle, I. Nakagawa, C. Nattrass, D. Nguyen, S. Niccolai, R. Nouicer, G. Nukazuka, M. Nycz, V.A. Okorokov, S. Orešić, J.D. Osborn, C. O’Shaughnessy, S. Paganis, S.F. Pate, M. Patel, C. Paus, G. Penman, M.G. Perdekamp, D.V. Perepelitsa, H. Periera da Costa, K. Peters, W. Phelps, E. Piasetzky, C. Pinkenburg, I. Prochazka, T. Protzman, M.L. Purschke, J. Putschke, J.R. Pybus, R. Rajput-Ghoshal, J. Rasson, B. Raue, K.F. Read, K. Røed, R. Reed, J. Reinhold, E.L. Renner, J. Richards, C. Riedl, T. Rinn, J. Roche, G.M. Roland, G. Ron, M. Rosati, C. Royon, J. Ryu, S. Salur, N. Santiesteban, R. Santos, M. Sarsour, J. Schambach, A. Schmidt, N. Schmidt, C. Schwarz, J. Schwiening, R. Seidl, A. Sickles, P. Simmerling, S. Sirca, D. Sharma, Z. Shi, T.-A. Shibata, C.-W. Shih, S. Shimizu, U. Shrestha, K. Slifer, K. Smith, D. Sokhan, R. Soltz, W. Sondheim, J. Song, I.I. Strakovsky, P. Steinberg, P. Stepanov, J. Stevens, J. Strube, P. Sun, X. Sun, V. Tadevosyan, W.-C. Tang, S. Tapia Araya, S. Tarafdar, L. Teodorescu, D. Thomas, A. Timmins, L. Tomasek, N. Trotta, R. Trotta, T.S. Tveter, E. Umaka, A. Usman, H.W. van Hecke, C. Van Hulse, J. Velkovska, E. Voutier, P.K. Wang, Q. Wang, Y. Wang, D.P. Watts, N. Wickramaarachchi, L. Weinstein, M. Williams, C.-P. Wong, L. Wood, M.H. Wood, C. Woody, B. Wyslouch, Z. Xiao, Y. Yamazaki, Y. Yang, Z. Ye, H.D. Yoo, M. Yurov, N. Zachariou, W.A. Zajc, W. Zha, J.-L. Zhang, J.-X. Zhang, Y. Zhang, Y.-X. Zhao, X. Zheng, P. Zhuang, HEP, INSPIRE, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), 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), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
FOS: Computer and information sciences, Nuclear and High Energy Physics, Computer Science - Machine Learning, Physics - Instrumentation and Detectors, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], [INFO] Computer Science [cs], Machine Learning (cs.LG), High Energy Physics - Experiment, Brookhaven Lab, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [INFO]Computer Science [cs], tracking detector, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], evolutionary algorithms, Nuclear Experiment (nucl-ex), numerical calculations, Instrumentation, Nuclear Experiment, detector: design, Bayesian optimization, Instrumentation and Detectors (physics.ins-det), tracking, Computational Physics (physics.comp-ph), artificial intelligence, electron nucleus: colliding beams, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], ECCE, Physics - Computational Physics, electron ion collider, performance
Abstract

The Electron-Ion Collider (EIC) is a cutting-edge accelerator facility that will study the nature of the "glue" that binds the building blocks of the visible matter in the universe. The proposed experiment will be realized at Brookhaven National Laboratory in approximately 10 years from now, with detector design and R&D currently ongoing. Notably, EIC is one of the first large-scale facilities to leverage Artificial Intelligence (AI) already starting from the design and R&D phases. The EIC Comprehensive Chromodynamics Experiment (ECCE) is a consortium that proposed a detector design based on a 1.5T solenoid. The EIC detector proposal review concluded that the ECCE design will serve as the reference design for an EIC detector. Herein we describe a comprehensive optimization of the ECCE tracker using AI. The work required a complex parametrization of the simulated detector system. Our approach dealt with an optimization problem in a multidimensional design space driven by multiple objectives that encode the detector performance, while satisfying several mechanical constraints. We describe our strategy and show results obtained for the ECCE tracking system. The AI-assisted design is agnostic to the simulation framework and can be extended to other sub-detectors or to a system of sub-detectors to further optimize the performance of the EIC detector., 16 pages, 18 figures, 2 appendices, 3 tables

Published
2022

4. Scientific Computing Plan for the ECCE Detector at the Electron Ion Collider

Author

J.C. Bernauer, C.T. Dean, C. Fanelli, J. Huang, K. Kauder, D. Lawrence, J.D. Osborn, C. Paus, J.K. Adkins, Y. Akiba, A. Albataineh, M. Amaryan, I.C. Arsene, C. Ayerbe Gayoso, J. Bae, X. Bai, M.D. Baker, M. Bashkanov, R. Bellwied, F. Benmokhtar, V. Berdnikov, F. Bock, W. Boeglin, M. Borysova, E. Brash, P. Brindza, W.J. Briscoe, M. Brooks, S. Bueltmann, M.H.S. Bukhari, A. Bylinkin, R. Capobianco, W.-C. Chang, Y. Cheon, K. Chen, K.-F. Chen, K.-Y. Cheng, M. Chiu, T. Chujo, Z. Citron, E. Cline, E. Cohen, T. Cormier, Y. Corrales Morales, C. Cotton, J. Crafts, C. Crawford, S. Creekmore, C. Cuevas, J. Cunningham, G. David, M. Demarteau, S. Diehl, N. Doshita, R. Dupré, J.M. Durham, R. Dzhygadlo, R. Ehlers, L. El Fassi, A. Emmert, R. Ent, R. Fatemi, S. Fegan, M. Finger, J. Frantz, M. Friedman, I. Friscic, D. Gangadharan, S. Gardner, K. Gates, F. Geurts, R. Gilman, D. Glazier, E. Glimos, Y. Goto, N. Grau, S.V. Greene, A.Q. Guo, L. Guo, S.K. Ha, J. Haggerty, T. Hayward, X. He, O. Hen, D.W. Higinbotham, M. Hoballah, T. Horn, A. Hoghmrtsyan, P.-h.J. Hsu, G. Huber, A. Hutson, K.Y. Hwang, C. Hyde, M. Inaba, T. Iwata, H.S. Jo, K. Joo, N. Kalantarians, G. Kalicy, K. Kawade, S.J.D. Kay, A. Kim, B. Kim, C. Kim, M. Kim, Y. Kim, E. Kistenev, V. Klimenko, S.H. Ko, I. Korover, W. Korsch, G. Krintiras, S. Kuhn, C.-M. Kuo, T. Kutz, J. Lajoie, S. Lebedev, H. Lee, J.S.H. Lee, S.W. Lee, Y.-J. Lee, W. Li, X. Li, Y.T. Liang, S. Lim, C.-h. Lin, D.X. Lin, K. Liu, M.X. Liu, K. Livingston, N. Liyanage, W.J. Llope, C. Loizides, E. Long, R.-S. Lu, Z. Lu, W. Lynch, D. Marchand, M. Marcisovsky, P. Markowitz, H. Marukyan, P. McGaughey, M. Mihovilovic, R.G. Milner, A. Milov, Y. Miyachi, A. Mkrtchyan, P. Monaghan, R. Montgomery, D. Morrison, A. Movsisyan, H. Mkrtchyan, C. Munoz Camacho, M. Murray, K. Nagai, J. Nagle, I. Nakagawa, C. Nattrass, D. Nguyen, S. Niccolai, R. Nouicer, G. Nukazuka, M. Nycz, V.A. Okorokov, S. Orešić, C. O’Shaughnessy, S. Paganis, Z. Papandreou, S.F. Pate, M. Patel, G. Penman, M.G. Perdekamp, D.V. Perepelitsa, H. Periera da Costa, K. Peters, W. Phelps, E. Piasetzky, C. Pinkenburg, I. Prochazka, T. Protzman, M.L. Purschke, J. Putschke, J.R. Pybus, R. Rajput-Ghoshal, J. Rasson, B. Raue, K. Read, K. Røed, R. Reed, J. Reinhold, E.L. Renner, J. Richards, C. Riedl, T. Rinn, J. Roche, G.M. Roland, G. Ron, M. Rosati, C. Royon, J. Ryu, S. Salur, N. Santiesteban, R. Santos, M. Sarsour, J. Schambach, A. Schmidt, N. Schmidt, C. Schwarz, J. Schwiening, R. Seidl, A. Sickles, P. Simmerling, S. Sirca, D. Sharma, Z. Shi, T.-A. Shibata, C.-W. Shih, S. Shimizu, U. Shrestha, K. Slifer, K. Smith, D. Sokhan, R. Soltz, W. Sondheim, J. Song, I.I. Strakovsky, P. Steinberg, P. Stepanov, J. Stevens, J. Strube, P. Sun, X. Sun, K. Suresh, V. Tadevosyan, W.-C. Tang, S. Tapia Araya, S. Tarafdar, L. Teodorescu, A. Timmins, L. Tomasek, N. Trotta, R. Trotta, T.S. Tveter, E. Umaka, A. Usman, H.W. van Hecke, C. Van Hulse, J. Velkovska, E. Voutier, P.K. Wang, Q. Wang, Y. Wang, D.P. Watts, N. Wickramaarachchi, L. Weinstein, M. Williams, C.-P. Wong, L. Wood, M.H. Wood, C. Woody, B. Wyslouch, Z. Xiao, Y. Yamazaki, Y. Yang, Z. Ye, H.D. Yoo, M. Yurov, N. Zachariou, W.A. Zajc, J. Zhang, Y. Zhang, Y.X. Zhao, X. Zheng, P. Zhuang, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), 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), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, data acquisition, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], programming, computer: network, High Energy Physics - Experiment, Brookhaven Lab, High Energy Physics - Experiment (hep-ex), data compilation, quantum chromodynamics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [INFO]Computer Science [cs], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), numerical calculations, Instrumentation, Nuclear Experiment, activity report, track data analysis, Instrumentation and Detectors (physics.ins-det), Computational Physics (physics.comp-ph), artificial intelligence, calibration, detector: proposed, electron nucleus: colliding beams, federated computing, data management, Physics - Computational Physics, electron ion collider, Jefferson Lab
Abstract

This is the arXiv pre-print which has not been peer reviewed. It is made available under a Creative Commons (CC BY) Attribution Lciense. The corrected version of record is available at: https://doi.org/10.1016/j.nima.2022.167859. Cite as: arXiv:2205.08607 [physics.ins-det] (or arXiv:2205.08607v1 [physics.ins-det] for this version) https://doi.org/10.48550/arXiv.2205.08607 Focus to learn more Journal reference: NIMA 1047, 167859 (2023) Related DOI: https://doi.org/10.1016/j.nima.2022.167859 Focus to learn more Submission history From: Joseph Osborn [view email] [v1] Tue, 17 May 2022 19:53:56 UTC (29,605 KB) Copyright © 2022 The Author(s). The Electron Ion Collider (EIC) is the next generation of precision QCD facility to be built at Brookhaven National Laboratory in conjunction with Thomas Jefferson National Laboratory. There are a significant number of software and computing challenges that need to be overcome at the EIC. During the EIC detector proposal development period, the ECCE consortium began identifying and addressing these challenges in the process of producing a complete detector proposal based upon detailed detector and physics simulations. In this document, the software and computing efforts to produce this proposal are discussed; furthermore, the computing and software model and resources required for the future of ECCE are described. Office of Nuclear Physics in the Office of Science in the Department of Energy, USA; National Science Foundation, USA; Los Alamos National Laboratory Laboratory Directed Research and Development (LDRD), USA 20200022DR.

Published
2022

5. Search for disoriented chiral condensates in 158 AGeV Pb+Pb collisions

Author

M.M Aggarwal, A Agnihotri, Z Ahammed, A.L.S Angelis, V Antonenko, V Arefiev, V Astakhov, V Avdeitchikov, T.C Awes, P.V.K.S Baba, S.K Badyal, A Baldine, L Barabach, C Barlag, S Bathe, B Batiounia, T Bernier, K.B Bhalla, V.S Bhatia, C Blume, R Bock, E.-M Bohne, D Bucher, A Buijs, E.-J Buis, H Büsching, L Carlen, V Chalyshev, S Chattopadhyay, R Cherbatchev, T Chujo, A Claussen, A.C Das, M.P Decowski, V Djordjadze, P Donni, I Doubovik, M.R Dutta Majumdar, K El Chenawi, S Eliseev, K Enosawa, P Foka, S Fokin, V Frolov, M.S Ganti, S Garpman, O Gavrishchuk, F.J.M Geurts, T.K Ghosh, R Glasow, S.K Gupta, B Guskov, H.A Gustafsson, H.H Gutbrod, R Higuchi, I Hrivnacova, M Ippolitov, H Kalechofsky, R Kamermans, K.-H Kampert, K Karadjev, K Karpio, S Kato, S Kees, H Kim, B.W Kolb, I Kosarev, I Koutcheryaev, A Kugler, P Kulinich, V Kumar, M Kurata, K Kurita, N Kuzmin, I Langbein, A Lebedev, Y.Y Lee, H Löhner, L Luquin, D.P Mahapatra, V Manko, M Martin, A Maximov, R Mehdiyev, G Mgebrichvili, Y Miake, D Mikhalev, G.C Mishra, Y Miyamoto, D Morrison, D.S Mukhopadhyay, V Myalkovski, H Naef, B.K Nandi, S.K Nayak, T.K Nayak, S Neumaier, A Nianine, V Nikitine, S Nikolaev, S Nishimura, P Nomokonov, J Nystrand, F.E Obenshain, A Oskarsson, I Otterlund, M Pachr, A Parfenov, S Pavliouk, T Peitzmann, V Petracek, F Plasil, M.L Purschke, B Raeven, J Rak, S Raniwala, V.S Ramamurthy, N.K Rao, F Retiere, K Reygers, G Roland, L Rosselet, I Roufanov, C Roy, J.M Rubio, H Sako, S.S Sambyal, R Santo, S Sato, H Schlagheck, H.-R Schmidt, G Shabratova, I Sibiriak, T Siemiarczuk, B.C Sinha, N Slavine, K Söderström, N Solomey, S.P Sørensen, P Stankus, G Stefanek, P Steinberg, E Stenlund, D Stüken, M Sumbera, T Svensson, M.D Trivedi, A Tsvetkov, C Twenhöfel, L Tykarski, J Urbahn, N v. Eijndhoven, W.H v. Heeringen, G.J v. Nieuwenhuizen, A Vinogradov, Y.P Viyogi, A Vodopianov, S Vörös, M.A Vos, B Wysłouch, K Yagi, Y Yokota, G.R Young, and Research unit Nuclear & Hadron Physics

Subjects
Physics, Nuclear and High Energy Physics, Chiral symmetry, Particle physics, SIMPLE (dark matter experiment), Phase transition, Large Hadron Collider, Photon, Hadron, Nuclear Theory, FOS: Physical sciences, Central region, QCD, High Energy Physics - Experiment, ENERGY, High Energy Physics - Experiment (hep-ex), Pion, CERN, PHASE-TRANSITION, Nuclear Experiment, DETECTOR, Particle Physics - Experiment
Abstract

The restoration of chiral symmetry and its subsequent breaking through a phase transition has been predicted to create regions of Disoriented Chiral Condensates (DCC). This phenomenon has been predicted to cause anomalous fluctuations in the relative production of charged and neutral pions in high-energy hadronic and nuclear collisions. The WA98 experiment has been used to measure charged and photon multiplicities in the central region of 158 AGeV Pb+Pb collisions at the CERN SPS. In a sample of 212646 events, no clear DCC signal can be distinguished. Using a simple DCC model, we have set a 90% C.L. upper limit on the maximum DCC production allowed by the data., 20 Pages, LaTeX, uses elsart.cls, 8 eps figures included, submitted to Physics Letters B

Published
1998

6. Search for disoriented chiral condensates in 158.A GeV Pb + Pb collisions

Author

Tapan K. Nayak, M.M. Aggarwal, A. Agnihotri, Z. Ahammed, A.L.S. Angelis, V. Antonenko, V. Arefiev, V. Astakhov, V. Avdeitchikov, T.C. Awes, P.V.K.S. Baba, S.K. Badyal, A. Baldine, L. Barabach, C. Barlag, S. Bathe, B. Batiounia, T. Bernier, K.B. Bhalla, V.S. Bhatia, C. Blume, R. Bock, E.-M. Bohne, D. Bucher, A. Buijs, E.-J. Buis, H. Büsching, L. Carlen, V. Chalyshev, S. Chattopadhyay, K.E. Chenawi, R. Cherbatchev, T. Chujo, A. Claussen, A.C. Das, M.P. Decowski, V. Djordjadze, P. Donni, I. Doubovik, M.R. Dutta Majumdar, S. Eliseev, K. Enosawa, H. Feldmann, P. Foka, S. Fokin, V. Frolov, M.S. Ganti, S. Garpman, O. Gavrishchuk, F.J.M. Geurts, T.K. Ghosh, R. Glasow, S.K. Gupta, B. Guskov, H.A. Gustafsson, H.H. Gutbrod, R. Higuchi, I. Hrivnacova, M. Ippolitov, H. Kalechofsky, R. Kamermans, K.-H. Kampert, K. Karadjev, K. Karpio, S. Kato, S. Kees, H. Kim, B.W. Kolb, I. Kosarev, I. Koutcheryaev, A. Kugler, P. Kulinich, V. Kumar, M. Kurata, K. Kurita, N. Kuzmin, I. Langbein, A. Lebedev, Y.Y. Lee, H. Löhner, D.P. Mahapatra, V. Manko, M. Martin, A. Maximov, R. Mehdiyev, G. Mgebrichvili, Y. Miake, D. Mikhalev, G.C. Mishra, Y. Miyamoto, B. Mohanty, D. Morrison, D.S. Mukhopadhyay, V. Myalkovski, H. Naef, B.K. Nandi, S.K. Nayak, T.K. Nayak, S. Neumaier, A. Nianine, V. Nikitine, S. Nikolaev, S. Nishimura, P. Nomokov, J. Nystrand, F.E. Obenshain, A. Oskarsson, I. Otterlund, M. Pachr, A. Parfenov, S. Pavliouk, T. Peitzmann, V. Petracek, F. Plasil, M.L. Purschke, B. Raeven, J. Rak, S. Raniwala, V.S. Ramamurthy, N.K. Rao, F. Retiere, K. Reygers, G. Roland, L. Rosselet, I. Roufanov, J.M. Rubio, S.S. Sambyal, R. Santo, S. Sato, H. Schlagheck, H.-R. Schmidt, G. Shabratova, I. Sibiriak, T. Siemiarczuk, B.C. Sinha, N. Slavine, K. Söderström, N. Solomey, S.P. Sørensen, P. Stankus, G. Stefanek, P. Steinberg, E. Stenlund, D. Stüken, M. Sumbera, T. Svensson, M.D. Trivedi, A. Tsvetkov, C. Twenhöfel, L. Tykarski, J. Urbahn, N.v. Eijndhoven, W.H.v. Heeringen, G.J.v. Nieuwenhuizen, A. Vinogradov, Y.P. Viyogi, A. Vodopianov, S. Vörös, M.A. Vos, B. Wyslouch, K. Yagi, Y. Yokota, and G.R. Young

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Photon, Phase space, Charged particle, Nuclear Physics
Abstract

The authors have studied the production of hadrons and photons in the reaction Pb(Pb, X) at 158 A.GeV. They have applied the discrete wavelet transform to the photon and charged-particle correlations in order to obtain a set of father function coefficients. They try to explain the multiplicity fluctuations by means of localized disoriented chiral condensate domains. (7 refs). A detailed analysis of the phase space distributions of charged particles and photons have been carried out using two independent methods. The results indicate the presence of nonstatistical fluctuations in localized regions of phase space.

Published
2000

7. Present Status and Future of DCC Analysis

Author

Tapan K. Nayak, M.M. Aggarwal, A. Agnihotri, Z. Ahammed, A.L.S. Angelis, V. Antonenko, V. Arefiev, V. Astakhov, V. Avdeitchikov, T.C. Awes, P.V.K.S. Baba, S.K. Badyal, A. Baldine, L. Barabach, C. Barlag, S. Bathe, B. Batiounia, T. Bernier, K.B. Bhalla, V.S. Bhatia, C. Blume, R. Bock, E.-M. Bohne, D. Bucher, A. Buijs, E.-J. Buis, H. Büsching, L. Carlen, V. Chalyshev, S. Chattopadhyay, K.E. Chenawi, R. Cherbatchev, T. Chujo, A. Claussen, A.C. Das, M.P. Decowski, V. Djordjadze, P. Donni, I. Doubovik, M.R. Dutta Majumdar, S. Eliseev, K. Enosawa, H. Feldmann, P. Foka, S. Fokin, V. Frolov, M.S. Ganti, S. Garpman, O. Gavrishchuk, F.J.M. Geurts, T.K. Ghosh, R. Glasow, S.K. Gupta, B. Guskov, H.A. Gustafsson, H.H. Gutbrod, R. Higuchi, I. Hrivnacova, M. Ippolitov, H. Kalechofsky, R. Kamermans, K.-H. Kampert, K. Karadjev, K. Karpio, S. Kato, S. Kees, H. Kim, B.W. Kolb, I. Kosarev, I. Koutcheryaev, A. Kugler, P. Kulinich, V. Kumar, M. Kurata, K. Kurita, N. Kuzmin, I. Langbein, A. Lebedev, Y.Y. Lee, H. Löhner, D.P. Mahapatra, V. Manko, M. Martin, A. Maximov, R. Mehdiyev, G. Mgebrichvili, Y. Miake, D. Mikhalev, G.C. Mishra, Y. Miyamoto, D. Morrison, D.S. Mukhopadhyay, V. Myalkovski, H. Naef, B.K. Nandi, S.K. Nayak, T.K. Nayak, S. Neumaier, A. Nianine, V. Nikitine, S. Nikolaev, S. Nishimura, P. Nomokov, J. Nystrand, F.E. Obenshain, A. Oskarsson, I. Otterlund, M. Pachr, A. Parfenov, S. Pavliouk, T. Peitzmann, V. Petracek, F. Plasil, M.L. Purschke, B. Raeven, J. Rak, S. Raniwala, V.S. Ramamurthy, N.K. Rao, F. Retiere, K. Reygers, G. Roland, L. Rosselet, I. Roufanov, J.M. Rubio, S.S. Sambyal, R. Santo, S. Sato, H. Schlagheck, H.-R. Schmidt, G. Shabratova, I. Sibiriak, T. Siemiarczuk, B.C. Sinha, N. Slavine, K. Söderström, N. Solomey, S.P. Sørensen, P. Stankus, G. Stefanek, P. Steinberg, E. Stenlund, D. Stüken, M. Sumbera, T. Svensson, M.D. Trivedi, A. Tsvetkov, C. Twenhöfel, L. Tykarski, J. Urbahn, N.v. Eijndhoven, W.H.v. Heeringen, G.J.v. Nieuwenhuizen, A. Vinogradov, Y.P. Viyogi, A. Vodopianov, S. Vörös, M.A. Vos, B. Wyslouch, K. Yagi, Y. Yokota, and G.R. Young

Subjects
Quantum chromodynamics, Physics, Nuclear and High Energy Physics, High energy, Chiral symmetry, Particle physics, High Energy Physics::Lattice, Nuclear Theory, High Energy Physics::Phenomenology, FOS: Physical sciences, Current analysis, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Pion, Heavy ion, Nuclear Experiment, Analysis method, Particle Physics - Experiment
Abstract

Disoriented Chiral Condensates (DCC) have been predicted to form in high energy heavy ion collisions where the approximate chiral symmetry of QCD has been restored. This leads to large imbalances in the production of charged to neutral pions. Sophisticated analysis methods are being developed to disentangle DCC events out of the large background of events with conventionally produced particles. We present a short review of current analysis methods and future prospects., 12 pages, 5 figures. Invited talk presented at the 13th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 97), Tsukuba, Japan, 1-5 Dec 1997

Published
1998

8. Photon and neutral meson production in 158 AGeV 208Pb+Pb collisions

Author

Thomas Peitzmann, M. Aggarwal, A. Agnihotri, A.L.S. Angelis, V. Antonenko, V. Arefiev, V. Astakhov, V. Avdeitchikov, T.C. Awes, S.K. Badyal, A. Baldine, L. Barabach, C. Barlag, S. Bathe, B. Batiounia, T. Bernier, K.B. Bhalla, V.S. Bhatia, C. Blume, D. Bock, R. Bock, E.-M. Bohne, D. Bucher, A. Buijs, E.-J. Buis, H. Büsching, L. Carlen, V. Chalyshev, S. Chattopadhyay, K.E. Chenawi, R. Cherbatchev, T. Chujo, A. Claussen, A.C. Das, M.P. Decowski, null Devanand, V. Djordjadze, P. Donni, I. Doubovik, S. Eliseev, K. Enosawa, H. Feldmann, P. Foka, S. Fokin, V. Frolov, M.S. Ganti, S. Garpman, O. Gavrishchuk, F.J.M. Geurts, T.K. Ghosh, R. Glasow, B. Guskov, H.A. Gustafsson, H.H. Gutbrod, R. Higuchi, I. Hrivnacova, M. Ippolitov, H. Kalechofsky, R. Kamermans, K.-H. Kampert, K. Karadjev, K. Karpio, S. Kato, S. Kees, H. Kim, B.W. Kolb, I. Kosarev, I. Koutcheryaev, A. Kugler, P. Kulinich, V. Kumar, M. Kurata, K. Kurita, N. Kuzmin, I. Langbein, A. Lebedev, Y.Y. Lee, H. Löhner, D.P. Mahapatra, J. Maharana, M.D.D. Majumdar, V. Manko, M. Martin, A. Maximov, R. Mehdiyev, G. Mgebrichvili, Y. Miake, D. Mikhalev, G.C. Mishra, I.S. Mittra, Y. Miyamoto, S. Mookerjee, D. Morrison, D.S. Mukhopadhyay, V. Myalkovski, H. Naef, G.K. Nandi, S.K. Nayak, T.K. Nayak, S. Neumaier, A. Nianine, V. Nikitine, S. Nikolaev, S. Nishimura, P. Nomokov, J. Nystrand, F.E. Obenshain, A. Oskarsson, I. Otterlund, M. Pachr, A. Parfenov, S. Pavliouk, T. Peitzmann, V. Petracek, S.C. Phatak, F. Plasil, M.L. Purschke, J. Rak, S. Raniwala, V.S. Ramamurthy, N.K. Rao, B. Raven, F. Retiere, K. Reygers, G. Roland, L. Rosselet, I. Roufanov, J. Rubio, S.S. Sambyal, R. Santo, S. Sato, P. Saxena, H. Schlagheck, H.-R. Schmidt, G. Shabratova, I. Sibariak, T. Siemiarczuk, K. Singh, B.C. Sinha, N. Slavine, K. Söderström, N. Solomey, S.P. Sørensen, P. Stankus, G. Stefanek, P. Steinberg, E. Stenlund, D. Stüken, M. Sumbera, T. Svensson, M.D. Trivedi, A. Tsvetkov, C. Twenhöfel, L. Tykarski, J. Urbahn, N.v. Eijndhoven, W.H.v. Heeringen, G.J.v. Nieuwenhuizen, A. Vinogradov, Y.P. Viyogi, A. Vodopianov, M.A. Vos, B. Wyslouch, K. Yagi, Y. Yokota, G.R. Young, Angelis, Aris, Doenni, Paul, Foka, Panagiota, Kalechofsky, Hal, Martin, Michel, Naef, Hanspeter, Rosselet, Laurent, Rubio, Juan Miguel, and Solomey, Nickolas

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Transverse plane, Large Hadron Collider, Photon, Meson production, Nuclear Theory, High Energy Physics::Experiment, ddc:500.2, Multiplicity (chemistry), Nuclear Experiment
Abstract

First results from the WA98 experiment on 33 TeV 208 Pb ion reactions with various targets measured at the CERN SPS are presented. Data on transverse energy production and particle multiplicity are discussed. Special emphasis is laid on photon and neutral meson production.

Published
1996

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