☆ 4.5 Article

Flavor asymmetry of sea quarks in the unquenched quark model

PHYSICAL REVIEW C (2010)

Journal

PHYSICAL REVIEW C

Volume 82, Issue 6, Pages -

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AMER PHYSICAL SOC

DOI: 10.1103/PhysRevC.82.062202

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Physics, Nuclear

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Istituto Nazionale di Fisica Nucleare
Consejo Nacional de Ciencia y Tecnologia de Mexico

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Abstract

The flavor asymmetry of the nucleon sea is studied in the framework of the unquenched quark model in which the effects of quark-antiquark pairs (u (u) over bar, d (d) over bar, and s (s) over bar) are taken into account via a microscopic, QCD-inspired, quark-antiquark creation mechanism. The inclusion of the q (q) over bar pairs leads to an excess of (d) over bar over (u) over bar, in agreement with the experimental data for the proton. In addition, the results for the flavor asymmetry of all ground-state octet and decuplet baryons are presented. The isospin symmetry leads to simple relations among the flavor asymmetries of octet and decuplet baryons. The flavor asymmetry of the Sigma(+) hyperon is predicted to be very similar to that of the proton and much larger than that for the Xi(0) hyperon. A comparison with other approaches shows large differences in the predictions for the flavor asymmetries of the hyperons.

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Snyder, E. Tiras, J. Wetzel, K. Yi, O. Amram, B. Blumenfeld, L. Corcodilos, M. Eminizer, A. Gritsan, S. Kyriacou, P. Maksimovic, C. Mantilla, J. Roskes, M. Swartz, T. A. Vami, C. Baldenegro Barrera, P. Baringer, A. Bean, A. Bylinkin, T. Isidori, S. Khalil, J. King, G. Krintiras, A. Kropivnitskaya, C. Lindsey, N. Minafra, M. Murray, C. Rogan, C. Royon, S. Sanders, E. Schmitz, J. D. Tapia Takaki, J. Williams, G. Wilson, S. Duric, A. Ivanov, K. Kaadze, D. Kim, Y. Maravin, T. Mitchell, A. Modak, A. Mohammadi, F. Rebassoo, D. Wright, E. Adams, A. Baden, O. Baron, A. Belloni, S. C. Eno, Y. Feng, N. J. Hadley, S. Jabeen, G. Y. Jeng, R. G. Kellogg, T. Koeth, A. C. Mignerey, S. Nabili, M. Seidel, A. Skuja, S. C. Tonwar, L. Wang, K. Wong, D. Abercrombie, B. Allen, R. Bi, S. Brandt, W. Busza, I. A. Cali, G. Gomez Ceballos, M. Goncharov, P. Harris, D. Hsu, M. Hu, G. J. Kim, M. Klute, D. Kovalskyi, J. Krupa, Y-J Lee, P. D. Luckey, B. Maier, A. C. Marini, C. Mcginn, C. Mironov, S. Narayanan, X. Niu, C. Paus, D. Rankin, C. Roland, G. Roland, Z. Shi, G. S. F. Stephans, K. Sumorok, K. Tatar, D. Velicanu, T. W. Wang, Z. Wang, B. Wyslouch, R. M. Chatterjee, A. Evans, S. Guts, P. Hansen, J. Hiltbrand, Sh Jain, M. Krohn, Y. Kubota, Z. Lesko, J. Mans, M. Revering, R. Rusack, R. Saradhy, N. Schroeder, N. Strobbe, M. A. Wadud, J. G. Acosta, S. Oliveros, K. Bloom, D. R. Claes, C. Fangmeier, L. Finco, F. Golf, J. R. Gonzalez Fernandez, I Kravchenko, J. E. Siado, G. R. Snow, B. Stieger, W. Tabb, F. Yan, G. Agarwal, H. Bandyopadhyay, C. Harrington, L. Hay, I. Iashvili, A. Kharchilava, C. McLean, D. Nguyen, J. Pekkanen, S. Rappoccio, B. Roozbahani, G. Alverson, E. Barberis, C. Freer, Y. Haddad, A. Hortiangtham, J. Li, G. Madigan, B. Marzocchi, D. M. Morse, V Nguyen, T. Orimoto, A. Parker, L. Skinnari, A. Tishelman-Charny, T. Wamorkar, B. Wang, A. Wisecarver, D. Wood, J. Bueghly, Z. Chen, A. Gilbert, T. Gunter, K. A. Hahn, N. Odell, M. H. Schmitt, K. Sung, M. Velasco, R. Bucci, N. Dev, R. Goldouzian, M. Hildreth, K. Hurtado Anampa, C. Jessop, D. J. Karmgard, K. Lannon, W. Li, N. Loukas, N. Marinelli, I Mcalister, F. Meng, K. Mohrman, Y. Musienko, R. Ruchti, P. Siddireddy, S. Taroni, M. Wayne, A. Wightman, M. Wolf, L. Zygala, J. Alimena, B. Bylsma, B. Cardwell, L. S. Durkin, B. Francis, C. Hill, A. Lefeld, B. L. Winer, B. R. Yates, P. Das, G. Dezoort, P. Elmer, B. Greenberg, N. Haubrich, S. Higginbotham, A. Kalogeropoulos, G. Kopp, S. Kwan, D. Lange, M. T. Lucchini, J. Luo, D. Marlow, K. Mei, I Ojalvo, J. Olsen, C. Palmer, P. Piroue, D. Stickland, C. Tully, S. Norberg, V. E. Barnes, R. Chawla, S. Das, L. Gutay, M. Jones, A. W. Jung, B. Mahakud, G. Negro, N. Neumeister, C. C. Peng, S. Piperov, H. Qiu, J. F. Schulte, M. Stojanovic, N. Trevisani, F. Wang, R. Xiao, W. Xie, T. Cheng, J. Dolen, N. Parashar, A. Baty, S. Dildick, K. M. Ecklund, S. Freed, F. J. M. Geurts, M. Kilpatrick, B. P. Padley, R. Redjimi, J. Roberts, J. Rorie, W. Shi, A. G. Stahl Leiton, A. Bodek, P. de Barbaro, R. Demina, J. L. Dulemba, C. Fallon, T. Ferbel, M. Galanti, A. Garcia-Bellido, O. Hindrichs, A. Khukhunaishvili, E. Ranken, R. Taus, B. Chiarito, J. P. Chou, A. Gandrakota, Y. Gershtein, E. Halkiadakis, A. Hart, M. Heindl, E. Hughes, S. Kaplan, O. Karacheban, I Laflotte, A. Lath, R. Montalvo, K. Nash, M. Osherson, S. Salur, S. Schnetzer, S. Somalwar, R. Stone, S. A. Thayil, S. Thomas, H. Acharya, A. G. Delannoy, S. Spanier, O. Bouhali, M. Dalchenko, A. Delgado, R. Eusebi, J. Gilmore, T. Huang, T. Kamon, S. Luo, S. Malhotra, R. Mueller, D. Overton, L. Pernie, D. Rathjens, A. Safonov, J. Sturdy, N. Akchurin, J. Damgov, V Hegde, S. Kunori, K. Lamichhane, T. Mengke, S. Muthumuni, T. Peltola, S. Undleeb, I Volobouev, A. Whitbeck, E. Appelt, S. Greene, A. Gurrola, R. Janjam, W. Johns, C. Maguire, A. Melo, H. Ni, K. Padeken, F. Romeo, P. Sheldon, S. Tuo, J. Velkovska, M. Verweij, M. W. Arenton, B. Cox, G. Cummings, J. Hakala, R. Hirosky, M. Joyce, A. Ledovskoy, A. Li, C. Neu, B. Tannenwald, E. Wolfe, F. Xia, P. E. Karchin, N. Poudyal, P. Thapa, K. Black, T. Bose, J. Buchanan, C. Caillol, S. Dasu, I De Bruyn, P. Everaerts, C. Galloni, H. He, M. Herndon, A. Herve, U. Hussain, A. Lanaro, A. Loeliger, R. Loveless, J. Madhusudanan Sreekala, A. Mallampalli, D. Pinna, T. Ruggles, A. Savin, V Shang, W. H. Smith, D. Teague, S. Trembath-reichert, W. Vetens

Summary: The production yields of B-s(0) and B+ mesons in PbPb collisions are measured, and the first observation of B-s(0) meson in nucleus-nucleus collisions with statistical significance is reported. The measurements are performed as a function of the transverse momentum and the collision centrality, and compared to theoretical models.

PHYSICS LETTERS B (2022)

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Article Physics, Multidisciplinary

Charmonium mass shifts in an unquenched quark model

Xiaoyun Chen, Yue Tan, Youchang Yang

Summary: In this study, we used a coupled-channel calculation to evaluate the mass shifts of various charmonium valence states below 4 GeV. We incorporated four-quark components into the quark model and utilized the P-3(0) quark-pair creation model to provide valence-continuum coupling. Our results showed significant negative mass shifts using the original transition operator, which posed challenges for the valence quark model. We then recalculated the mass shifts using an improved P-3(0) transition operator, reducing the shifts by an average of 75%.

EUROPEAN PHYSICAL JOURNAL PLUS (2023)

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Article Physics, Nuclear

Production of light-flavor and single-charmed hadrons in pp collisions at √s=5.02 TeV in an equal-velocity quark combination model *

Hai-hong Li, Feng-lan Shao, Jun Song

Summary: The study applies an equal-velocity quark combination model to investigate the production of light-flavor hadrons and single-charmed hadrons in pp collisions. The model successfully describes experimental data and predicts the differential cross-sections for certain hadrons.

CHINESE PHYSICS C (2021)

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Review Physics, Nuclear

Diquark correlations in hadron physics: Origin, impact and evidence

M. Yu Barabanov, M. A. Bedolla, W. K. Brooks, G. D. Cates, C. Chen, Y. Chen, E. Cisbani, M. Ding, G. Eichmann, R. Ent, J. Ferretti, R. W. Gothe, T. Horn, S. Liuti, C. Mezrag, A. Pilloni, A. J. R. Puckett, C. D. Roberts, P. Rossi, G. Salme, E. Santopinto, J. Segovia, S. N. Syritsyn, M. Takizawa, E. Tomasi-Gustafsson, P. Wein, B. B. Wojtsekhowski

Summary: In the past decade, there has been a significant shift in understanding the internal structure of hadrons, with new theoretical techniques and experimental findings suggesting that soft quark+quark (diquark) correlations play a crucial role in hadron physics. These correlations are believed to be a necessary consequence of dynamical chiral symmetry breaking and may be critical for the formation of exotic tetra- and penta-quark hadrons.

PROGRESS IN PARTICLE AND NUCLEAR PHYSICS (2021)

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Article Physics, Nuclear

Cluster structure of 20Ne: Evidence for D3h symmetry

R. Bijker, F. Iachello

Summary: The cluster structure of Ne-20 exhibits a bi-pyramidal structure with D-3h symmetry, supported by experimental data showing all expected vibrational modes. This suggests that Ne-20 is another example of simple spectroscopic features emerging from a complex many-body system.

NUCLEAR PHYSICS A (2021)

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Article Physics, Nuclear

An experimental program with high duty-cycle polarized and unpolarized positron beams at Jefferson Lab

A. Accardi, A. Afanasev, I Albayrak, S. F. Ali, M. Amaryan, J. R. M. Annand, J. Arrington, A. Asaturyan, H. Atac, H. Avakian, T. Averett, C. Ayerbe Gayoso, X. Bai, L. Barion, M. Battaglieri, V Bellini, R. Beminiwattha, F. Benmokhtar, V. V. Berdnikov, J. C. Bernauer, V Bertone, A. Bianconi, A. Biselli, P. Bisio, P. Blunden, M. Boer, M. Bondi, K-T Brinkmann, W. J. Briscoe, V Burkert, T. Cao, A. Camsonne, R. Capobianco, L. Cardman, M. Carmignotto, M. Caudron, L. Causse, A. Celentano, P. Chatagnon, J-P Chen, T. Chetry, G. Ciullo, E. Cline, P. L. Cole, M. Contalbrigo, G. Costantini, A. D'Angelo, L. Darme, D. Day, M. Defurne, M. De Napoli, A. Deur, R. De Vita, N. D'Hose, S. Diehl, M. Diefenthaler, B. Dongwi, R. Dupre, H. Dutrieux, D. Dutta, M. Ehrhart, L. El Fassi, L. Elouadrhiri, R. Ent, J. Erler, I. P. Fernando, A. Filippi, D. Flay, T. Forest, E. Fuchey, S. Fucini, Y. Furletova, H. Gao, D. Gaskell, A. Gasparian, T. Gautam, F-X Girod, K. Gnanvo, J. Grames, G. N. Grauvogel, P. Gueye, M. Guidal, S. Habet, T. J. Hague, D. J. Hamilton, O. Hansen, D. Hasell, M. Hattawy, D. W. Higinbotham, A. Hobart, T. Horn, C. E. Hyde, H. Ibrahim, A. Ilyichev, A. Italiano, K. Joo, S. J. Joosten, V Khachatryan, N. Kalantarians, G. Kalicy, B. Karky, D. Keller, C. Keppel, M. Kerver, M. Khandaker, A. Kim, J. Kim, P. M. King, E. Kinney, V Klimenko, H-S Ko, M. Kohl, V Kozhuharov, B. T. Kriesten, G. Krnjaic, V Kubarovsky, T. Kutz, L. Lanza, M. Leali, P. Lenisa, N. Liyanage, Q. Liu, S. Liuti, J. Mammei, S. Mantry, D. Marchand, P. Markowitz, L. Marsicano, V Mascagna, M. Mazouz, M. McCaughan, B. McKinnon, D. McNulty, W. Melnitchouk, A. Metz, Z-E Meziani, S. Migliorati, M. Mihovilovic, R. Milner, A. Mkrtchyan, H. Mkrtchyan, A. Movsisyan, H. Moutarde, M. Muhoza, C. Munoz Camacho, J. Murphy, P. Nadel-Turonski, E. Nardi, J. Nazeer, S. Niccolai, G. Niculescu, R. Novotny, J. F. Owens, M. Paolone, L. Pappalardo, R. Paremuzyan, B. Pasquini, E. Pasyuk, T. Patel, I Pegg, C. Peng, D. Perera, M. Poelker, K. Price, A. J. R. Puckett, M. Raggi, N. Randazzo, M. N. H. Rashad, M. Rathnayake, B. Raue, P. E. Reimer, M. Rinaldi, A. Rizzo, Y. Roblin, J. Roche, O. Rondon-Aramayo, F. Sabatie, G. Salme, E. Santopinto, R. Santos Estrada, B. Sawatzky, A. Schmidt, P. Schweitzer, S. Scopetta, V Sergeyeva, M. Shabestari, A. Shahinyan, Y. Sharabian, S. Sirca, E. S. Smith, D. Sokhan, A. Somov, N. Sparveris, M. Spata, H. Spiesberger, M. Spreafico, S. Stepanyan, P. Stoler, I Strakovsky, R. Suleiman, M. Suresh, P. Sznajder, H. Szumila-Vance, V Tadevosyan, A. S. Tadepalli, A. W. Thomas, M. Tiefenback, R. Trotta, M. Ungaro, P. Valente, M. Vanderhaeghen, L. Venturelli, H. Voskanyan, E. Voutier, B. Wojtsekhowski, M. H. Wood, S. Wood, J. Xie, W. Xiong, Z. Ye, M. Yurov, H-G Zaunick, S. Zhamkochyan, J. Zhang, S. Zhang, S. Zhao, Z. W. Zhao, X. Zheng, J. Zhou, C. Zorn

Summary: Positron beams, both polarized and unpolarized, are essential for experimental programs at the next generation of lepton accelerators, such as JLab's hadronic physics program. They provide precise understanding of electromagnetic structure of nucleons and nuclei, allow for model-independent determination of electromagnetic form factors, and enable accurate separation of contributions to lepto-production cross sections. Additionally, positron beams offer alternative tests of the Standard Model of particle physics.

EUROPEAN PHYSICAL JOURNAL A (2021)

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Article Physics, Multidisciplinary

Heavy Hadronic Molecules Coupled with Multiquark States

Yasuhiro Yamaguchi, Hugo Garcia-Tecocoatzi, Alessandro Giachino, Atsushi Hosaka, Elena Santopinto, Sachiko Takeuchi, Makoto Takizawa

Summary: We investigated the coupling between the hidden-charm pentaquarks as a Lambda(c)(D)-Sigma c(D) over bar hadronic molecule and a compact five-quark state. The short-range interaction generated by the coupling to the compact state plays a dominant role in determining the energy-level structures, while the long-range one pion exchange potential (OPEP) affects the decay width.

FEW-BODY SYSTEMS (2021)

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Article Physics, Nuclear

Cluster structure of 21Ne and 21Na

R. Bijker, F. Iachello

Summary: In this study, the cluster structure of Ne-21 and Na-21 was examined using the cluster shell model, revealing a complex cluster structure involving Ne-20+n, Ne-20+p structures, as well as Ne-19+2n, F-19+2p structures. Seven rotational bands were identified in Ne-21 and four in Na-21, attributed to single-particle cluster states, single-hole cluster states, and vibrational states.

NUCLEAR PHYSICS A (2021)

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Article Physics, Multidisciplinary

Quark Structure of the X(4500), X(4700) and χc(4P,5P) States

J. Ferretti, E. Santopinto

Summary: The study focuses on the properties of 4P and 5P charmonia, exploring the charmonium interpretation for these mesons. It also investigates the apparent mismatch between Quark Model predictions and the observed properties of the mesons.

FRONTIERS IN PHYSICS (2021)

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Review Physics, Nuclear

The NUMEN Technical Design Report

Francesco Cappuzzello, Clementina Agodi, Luciano Calabretta, Daniela Calvo, Diana Carbone, Manuela Cavallaro, Maria Colonna, Paolo Finocchiaro, Felice Iazzi, Roberto Linares, Jose R. B. Oliveira, Luciano Pandola, Elena Santopinto, Domenico Torresi, Salvatore Tudisco, Luis Acosta, Carmen Altana, Paulina Amador-Valenzuela, Luis Humberto Avanzi, Jessica Bellone, Danilo Bonanno, Ismail Boztosun, Sandro Brasolin, Giuseppe A. Brischetto, Oscar Brunasso, Salvatore Calabrese, Luigi Campajola, Vittoria Capirossi, Efrain R. Chavez Lomeli, Irene Ciraldo, Vitor Angelo Paulino de Aguiar, Franck Delaunay, Carlo Ferraresi, Maria Fisichella, Elisa Gandolfo, Marcilei Aparecida Guazzelli, Francesco La Via, Daniel J. Marin Lambarri, Horst Lenske, Jesus Lubian, Nilberto H. Medina, Paolo Mereu, Mauricio Moralles, Annamaria Muoio, Horia Petrascu, Federico Pinna, Diego Sartirana, Onoufrios Sgouros, Selcuk O. Solakci, Vasilis Soukeras, Alessandro Spatafora, Antonio D. Russo, Aydin Yildirim

Summary: The NUMEN project proposes an innovative technique to access nuclear matrix elements through heavy-ion induced Double Charge Exchange reactions, aiming to study the lifetime of double beta decay. Despite being triggered by different types of interactions, similarities in many-body wave functions and transition operators exist between neutrinoless double beta decay and DCE reactions. The upgrade of INFN-LNS facilities, connected to the POTLNSa project, is essential for enabling measurements of DCE cross-section under extremely high beam intensities as required by the NUMEN project.

INTERNATIONAL JOURNAL OF MODERN PHYSICS A (2021)

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Editorial Material Multidisciplinary Sciences

The new Pcs(4459), Zcs(3985), Zcs(4000) and Zcs(4220) and the possible emergence of flavor pentaquark octets and tetraquark nonets

Jacopo Ferretti, Elena Santopinto

SCIENCE BULLETIN (2022)

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Review Physics, Nuclear

Science Requirements and Detector Concepts for the Electron-Ion Collider

R. Abdul Khalek, A. Accardi, J. Adam, D. Adamiak, W. Akers, M. Albaladejo, A. Al-bataineh, M. G. Alexeev, F. Ameli, P. Antonioli, N. Armesto, W. R. Armstrong, M. Arratia, J. Arrington, A. Asaturyan, M. Asai, E. C. Aschenauer, S. Aune, H. Avagyan, C. Ayerbe Gayoso, B. Azmoun, A. Bacchetta, M. D. Baker, F. Barbosa, L. Barion, K. N. Barish, P. C. Barry, M. Battaglieri, A. Bazilevsky, N. K. Behera, F. Benmokhtar, V. V. Berdnikov, J. C. Bernauer, V Bertone, S. Bhattacharya, C. Bissolotti, D. Boer, M. Boglione, P. Boora, I Borsa, F. Bossu, G. Bozzi, J. D. Brandenburg, N. Brei, A. Bressan, W. K. Brooks, S. Bufalino, M. H. S. Bukhari, V Burkert, N. H. Buttimore, A. Camsonne, A. Celentano, F. G. Celiberto, W. Chang, C. Chatterjee, K. Chen, T. Chetry, T. Chiarusi, Y-T Chien, M. Chiosso, X. Chu, E. Chudakov, G. Cicala, E. Cisbani, I. C. Cloet, C. Cocuzza, P. L. Cole, D. Colella, J. L. Collins, M. Constantinou, M. Contalbrigo, G. Contin, R. Corliss, W. Cosyn, A. Courtoy, J. Crafts, R. Cruz-Torres, R. C. Cuevas, U. D'Alesio, S. Dalla Torre, D. Das, S. S. Dasgupta, C. Da Silva, W. Deconinck, M. Defurne, W. DeGraw, K. Dehmelt, A. Del Dotto, F. Delcarro, A. Deshpande, W. Detmold, R. De Vita, M. Diefenthaler, C. Dilks, D. U. Dixit, S. Dulat, A. Dumitru, J. M. Durham, M. G. Echevarria, L. El Fassi, D. Elia, R. Ent, R. Esha, J. J. Ethier, O. Evdokimov, K. O. Eyser, C. Fanelli, R. Fatemi, S. Fazio, C. Fernandez-Ramirez, M. Finger, M. Jr Finger Jr, D. Fitzgerald, C. Flore, T. Frederico, I Friscic, S. Fucini, S. Furletov, Y. Furletova, C. Gal, L. Gamberg, H. Gao, P. Garg, D. Gaskell, K. Gates, M. B. Gay Ducati, M. Gericke, G. Gil Da Silveira, F-X Girod, D. Glazier, K. Gnanvo, V. P. Goncalves, L. Gonella, J. O. Gonzalez Hernandez, Y. Goto, F. Grancagnolo, L. C. Greiner, W. Guryn, V Guzey, Y. Hatta, M. Hattawy, F. Hauenstein, X. He, T. K. Hemmick, O. Hen, G. Heyes, D. W. Higinbotham, A. N. Hiller Blin, T. J. Hobbs, M. Hohlmann, T. Horn, T-J Hou, J. Huang, Q. Huang, G. M. Huber, C. E. Hyde, G. Iakovidis, Y. Ilieva, B. Jacak, P. M. Jacobs, M. Jadhav, Z. Janoska, A. Jentsch, T. Jezo, X. Jing, P. G. Jones, K. Joo, S. Joosten, V Kafka, N. Kalantarians, G. Kalicy, D. Kang, Z. B. Kang, K. Kauder, S. J. D. Kay, C. E. Keppel, J. Kim, A. Kiselev, M. Klasen, S. Klein, H. T. Klest, O. Korchak, A. Kostina, P. Kotko, Y. Kovchegov, M. Krelina, S. Kuleshov, S. Kumano, K. S. Kumar, R. Kumar, L. Kumar, K. Kumericki, A. Kusina, K. Kutak, Y. S. Lai, K. Lalwani, T. Lappi, J. Lauret, M. Lavinsky, D. Lawrence, D. Lednicky, C. Lee, K. Lee, S. H. Lee, S. Levorato, H. Li, S. Li, W. Li, X. Li, X. Li, W. B. Li, T. Ligonzo, H. Liu, M. X. Liu, X. Liu, S. Liuti, N. Liyanage, Z. Lu, G. Lucero, N. S. Lukow, E. Lunghi, R. Majka, Y. Makris, I Mandjavidze, S. Mantry, H. Mantysaari, F. Marhauser, P. Markowitz, L. Marsicano, A. Mastroserio, V Mathieu, Y. Mehtar-Tani, W. Melnitchouk, L. Mendez, A. Metz, Z-E Meziani, C. Mezrag, M. Mihovilovic, R. Milner, M. Mirazita, H. Mkrtchyan, A. Mkrtchyan, V Mochalov, V Moiseev, M. M. Mondal, A. Morreale, D. Morrison, L. Motyka, H. Moutarde, F. Murgia, M. J. Murray, P. Musico, P. Nadel-Turonski, P. M. Nadolsky, J. Nam, P. R. Newman, D. Neyret, D. Nguyen, E. R. Nocera, F. Noferini, F. Noto, A. S. Nunes, V. A. Okorokov, F. Olness, J. D. Osborn, B. S. Page, S. Park, A. Parker, K. Paschke, B. Pasquini, H. Paukkunen, S. Paul, C. Pecar, I. L. Pegg, C. Pellegrino, C. Peng, L. Pentchev, R. Perrino, F. Petriello, R. Petti, A. Pilloni, C. Pinkenburg, B. Pire, C. Pisano, D. Pitonyak, A. A. Poblaguev, T. Polakovic, M. Posik, M. Potekhin, R. Preghenella, S. Preins, A. Prokudin, P. Pujahari, M. L. Purschke, J. R. Pybus, M. Radici, R. Rajput-Ghoshal, P. E. Reimer, M. Rinaldi, F. Ringer, C. D. Roberts, S. Rodini, J. Rojo, D. Romanov, P. Rossi, E. Santopinto, M. Sarsour, R. Sassot, N. Sato, B. Schenke, W. B. Schmidke, I Schmidt, A. Schmidt, B. Schmookler, G. Schnell, P. Schweitzer, J. Schwiening, I Scimemi, S. Scopetta, J. Segovia, R. Seidl, S. Sekula, K. Semenov-Tian-Shanskiy, D. Y. Shao, N. Sherrill, E. Sichtermann, M. Siddikov, A. Signori, B. K. Singh, S. Sirca, K. Slifer, W. Slominski, D. Sokhan, W. E. Sondheim, Y. Song, O. Soto, H. Spiesberger, A. M. Stasto, P. Stepanov, G. Sterman, J. R. Stevens, I. W. Stewart, I Strakovsky, M. Strikman, M. Sturm, M. L. Stutzman, M. Sullivan, B. Surrow, P. Svihra, S. Syritsyn, A. Szczepaniak, P. Sznajder, H. Szumila-Vance, L. Szymanowski, A. S. Tadepalli, J. D. Tapia Takaki, G. F. Tassielli, J. Terry, F. Tessarotto, K. Tezgin, L. Tomasek, F. Torales Acosta, P. Tribedy, A. Tricoli, Triloki, S. Tripathi, R. L. Trotta, O. D. Tsai, Z. Tu, C. Tuve, T. Ullrich, M. Ungaro, G. M. Urciuoli, A. Valentini, P. Vancura, M. Vandenbroucke, C. Van Hulse, G. Varner, R. Venugopalan, I Vitev, A. Vladimirov, G. Volpe, A. Vossen, E. Voutier, J. Wagner, S. Wallon, H. Wang, Q. Wang, X. Wang, S. Y. Wei, C. Weiss, T. Wenaus, H. Wennlof, N. Wickramaarachchi, A. Wikramanayake, D. Winney, C. P. Wong, C. Woody, L. Xia, B. W. Xiao, J. Xie, H. Xing, Q. H. Xu, J. Zhang, S. Zhang, Z. Zhang, Z. W. Zhao, Y. X. Zhao, L. Zheng, Y. Zhou, P. Zurita

Summary: This report describes the physics case, detector requirements, and evolving detector concepts for the Electron-Ion Collider (EIC) experimental program. The EIC will be a new facility in the United States with the capability to collide high-energy electron beams with high-energy proton and ion beams, providing access to regions dominated by gluons. The use of polarized beams in the EIC will allow for unprecedented access to the spatial and spin structure of particles. The report aims to advance the physics program and develop detector concepts that meet the requirements for the EIC.

NUCLEAR PHYSICS A (2022)

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Review Physics, Nuclear

Shedding light on nuclear aspects of neutrinoless double beta decay by heavy-ion double charge exchange reactions

F. Cappuzzello, H. Lenske, M. Cavallaro, C. Agodi, N. Auerbach, J. I. Bellone, R. Bijker, S. Burrello, S. Calabrese, D. Carbone, M. Colonna, G. De Gregorio, J. L. Ferreira, D. Gambacurta, H. Garcia-Tecocoatzi, A. Gargano, J. A. Lay, R. Linares, J. Lubian, E. Santopinto, O. Sgouros, V. Soukeras, A. Spatafora

Summary: This article reviews the status and prospects of heavy-ion double charge exchange (HI-DCE) reactions, highlighting their important role in nuclear reaction, nuclear structure, and double beta-decay investigations. The main challenges lie in the tiny cross sections of these processes and the high background generated by competing reactions. However, recent advancements in magnetic spectrometers have aided the development of HI-DCE spectroscopy. Theoretical descriptions of HI-DCE cross sections are also complex due to the involvement of composite nuclei and multiple reaction mechanisms.

PROGRESS IN PARTICLE AND NUCLEAR PHYSICS (2023)

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Article Physics, Nuclear

Transfer reactions between odd-odd and even-even nuclei by using the interacting boson fermion fermion model and 0νββ decay in closure approximation

Ruslan Idelfonso Magana Vsevolodovna, Elena Santopinto, Roelof Bijker

Summary: This study presents the formulation and operators for computing spectroscopic amplitudes in the IBFFM scheme, and improves the description of odd-odd nuclei using machine learning techniques. This method can be used to calculate cross sections of heavy-ion reactions and extract the contributions of each orbital.

PHYSICAL REVIEW C (2022)

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Article Astronomy & Astrophysics

Masses and decay widths of Ξc/b and Ξ′c/b baryons

R. Bijker, H. Garcia-Tecocoatzi, A. Giachino, E. Ortiz-Pacheco, E. Santopinto

Summary: This article presents a complete classification of the negative parity Xi'(c/b) and Xi(c/b) P-wave states and calculates their strong partial decay widths and electromagnetic decay widths. Possible assignments for new and previously reported Xi(c) states are suggested based on the equal-spacing mass rule and the analysis of strong partial decay widths. Recently, the LHCb Collaboration observed two new Xi(b) states that are consistent with the predictions made in this study.

PHYSICAL REVIEW D (2022)

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Article Physics, Nuclear

Analysis of the one-neutron transfer reaction in 18O+76Se collisions at 275 MeV

I. Ciraldo, F. Cappuzzello, M. Cavallaro, D. Carbone, S. Burrello, A. Spatafora, A. Gargano, G. De Gregorio, R. I. Magana Vsevolodovna, L. Acosta, C. Agodi, P. Amador-Valenzuela, T. Borello-Lewin, G. A. Brischetto, S. Calabrese, D. Calvo, V. Capirossi, E. R. Chavez Lomeli, M. Colonna, F. Delaunay, H. Djapo, C. Eke, P. Finocchiaro, S. Firat, M. Fisichella, A. Foti, A. Hacisalihoglu, F. Iazzi, L. La Fauci, R. Linares, N. H. Medina, M. Moralles, J. R. B. Oliveira, A. Pakou, L. Pandola, H. Petrascu, F. Pinna, G. Russo, E. Santopinto, O. Sgouros, M. A. Guazzelli, S. O. Solakci, G. Souliotis, V. Soukeras, D. Torresi, S. Tudisco, A. Yildirim, V. A. B. Zagatto

Summary: Studying the Se-76(O-18, O-17)Se-77 reaction provides quantitative access to relevant configuration information on Se-76, offering data-driven insights to constrain nuclear structure models for Se-76, which is important for double beta decay studies of Ge-76.

PHYSICAL REVIEW C (2022)

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