| Title: |
Exclusive photoproduction of excited ρ mesons decaying to four pions in ultraperipheral Pb–Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV |
| Authors: |
Acharya, Shreyasi; Adamova, Dagmar; Ahuja, Ishaan; Bergmann, Luisa; Vercellin, Ermanno; Vergara Limon, Sergio; Verma, Rahul; Vermunt, Lucas Anne; Vertesi, Robert; Verweij, Marta; Vickovic, Linda; Vilakazi, Zabulon; Villalobos Baillie, Orlando; Villani, Anna; Besoiu, Mihaela Gabriela; Vinogradov, Alexander; Virgili, Tiziano; Virta, Maxim Mikael Olavi; Vislavicius, Vytautas; Vodopyanov, Alexander; Voelkel, Benedikt; Volkl, Martin Andreas; Voloshin, Sergey; Volpe, Giacomo; Von Haller, Barthelemy; Betev, Latchezar; Vorobyev, Ivan; Vozniuk, Nikita; Vrlakova, Janka; Wan, Jie; Wang, Chunzheng; Wang, Dongfang; Wang, Yuanzhe; Wang, Yubiao; Wegrzynek, Adam Tadeusz; Weiglhofer, Felix Thomas; Bhaduri, Partha Pratim; Wenzel, Sandro Christian; Wessels, Johannes Peter; Wiechula, Jens; Wikne, Jon; Wilk, Grzegorz Andrzej; Wilkinson, Jeremy John; Willems, Guido Alexander; Windelband, Bernd Stefan; Winn, Michael Andreas; Wright, Josephina Rae; Bhasin, Anju; Wu, Wenya; Wu, Yitao; Xiong, Zhenjun; Xu, Ran; Yadav, Ankur; Yadav, Arun Kumar; Yamaguchi, Yorito; Yang, Shiming; Yano, Satoshi; Yeats, Emma Rose; Bhat, Mohammad Asif; Yin, Zhongbao; Yoo, In Kwon; Yoon, Jin Hee; Yu, Hyeonjin; Yuan, Shiming; Yuncu, Alperen; Zaccolo, Valentina; Zampolli, Chiara; Zhang, Mingyu; Zanone, Federica; Bhattacharjee, Buddhadeb; Zardoshti, Nima; Zarochentsev, Andrey; Zavada, Petr; Zavyalov, Nikolay; Zhalov, Mikhail; Zhang, Biao; Zhang, Chi; Zhang, Liuyao; Zhang, Maolin; Zhang, Song; Bianchi, Livio; Zhang, Xiaoming; Zhang, Yifei; Zhang, Zhen; Zhao, Mingrui; Zherebchevskii, Vladimir; Yu, Zhi; Zhong, Chen; Zhou, Daicui; Zhou, You; Zhu, Jianhui; Bianchi, Nicola; Zhu, Senjie; Zhu, Ya; Zugravel, Stefan Cristi; Zurlo, Nicola; ALICE Collaboration; Bielcik, Jaroslav; Akindinov, Alexander; Bielcikova, Jana; Bigot, Alexandre Patrick; Bilandzic, Ante; Biro, Gabor; Biswas, Saikat; Bize, Nicolas Luc; Blair, Justin Thomas; Blau, Dmitry; Blidaru, Mihail Bogdan; Bluhme, Nora; Akishina, Valentina; Blume, Christoph; Boca, Gianluigi; Bock, Friederike; Bodova, Tea; Bok, Jeongsu; Boldizsar, Laszlo; Bombara, Marek; Bond, Peter Matthew; Bonomi, Germano; Borel, Herve; Al-turany, Mohammad; Borissov, Alexander; Borquez Carcamo, Andres Gerardo; Bossi, Hannah; Botta, Elena; El Mard Bouziani, Youssef; Bratrud, Lars; Braun-munzinger, Peter; Bregant, Marco; Broz, Michal; Bruno, Giuseppe Eugenio; Aleksandrov, Dmitry; Buckland, Matthew Daniel; Budnikov, Dmitry; Buesching, Henner; Bufalino, Stefania; Buhler, Paul Alois; Burmasov, Nazar; Buthelezi, Edith Zinhle; Bylinkin, Aleksandr; Bysiak, Sebastian Adam; Cabanillas Noris, Juan Carlos; Alessandro, Bruno; Torres Cabrera, Maria Fernanda; Cai, Mengke; Caines, Helen Louise; Caliva, Alberto; Calvo Villar, Ernesto; Mejia Camacho, Juan Manuel; Camerini, Paolo; De Moraes Canedo, Fabio; Weyhmiller, Sierra Lisa; Cantway, S. L.; Alfanda, Haidar Masud; Carabas, Mihai; Amatriain Carballo, Aitor; Carnesecchi, Francesca; Caron, Robin Albert Andre; Abranches De Carvalho, Leopoldo; Castillo Castellanos, Javier Ernesto; Castoldi, Matteo; Catalano, Fabio; Cattaruzzi, Samuele; Ceballos Sanchez, Cesar; Alfaro Molina, Jose Ruben; Cerri, Rebecca; Chakaberia, Irakli; Chakraborty, Pritam; Chandra, Sinjini; Chapeland, Sylvain; Chartier, Marielle; Chattopadhay, Souvik; Chattopadhyay, Subhasis; Chattopadhyay, Sukalyan; Cheng, Tiantian; Ali, Bushra; Cheshkov, Cvetan Valeriev; Chibante Barroso, Vasco Miguel; Dobrigkeit Chinellato, David; Chizzali, Emma Sophia; Cho, Jaeyoon; Cho, Soyeon; Chochula, Peter; Chochulska, Zuzanna Anna; Choudhury, Dhrubajyoti; Christakoglou, Panagiotis; Alici, Andrea; Christensen, Christian Holm; Christiansen, Peter; Chujo, Tatsuya; Ciacco, Mario; Cicalo, Corrado; Ciupek, Michael Rudolf; Clai, Giulia; Colamaria, Fabio Filippo; Colburn, Jonathan Samuel; Colella, Domenico; Agarwal, Apar; Alizadehvandchali, Negin; Colocci, Manuel; Concas, Matteo; Conesa Balbastre, Gustavo; Conesa Del Valle, Zaida; Contin, Giacomo; Contreras Nuno, Jesus Guillermo; Coquet, Maurice; Cortese, Pietro; Cosentino, Mauro Rogerio; Costa, Filippo; Alkin, Anton; Costanza, Susanna; Cot, Corentin; Crkovska, Jana; Crochet, Philippe; Cruz Torres, Reynier; Cui, Pengyao; Czarnynoga, Maciej Marek; Dainese, Andrea; Dange, Gautam; Danisch, Meike Charlotte; Alme, Johan; Danu, Andrea; Das, Prottay; Das, Prottoy; Das, Supriya; Dash, Archita Rani; Dash, Sadhana; De Caro, Annalisa; De Cataldo, Giacinto; De Cuveland, Jan; De Falco, Alessandro; Alocco, Giacomo; De Gruttola, Daniele; De Marco, Nora; De Martin, Chiara; De Pasquale, Salvatore; Deb, Rohaan; Del Grande, Raffaele; Dello Stritto, Luigi; Deng, Wenjing; Devereaux, Kyle Christian; Dhankher, Preeti; Alt, Torsten; Di Bari, Domenico; Di Mauro, Antonio; Diab, Batoul; Arteche Diaz, Raul; Dietel, Thomas; Ding, Yanchun; Ditzel, Janik; Divia, Roberto; Divi, R.; Dixit, Dhruv Utpalkumar; Altamura, Anna Rita; Djuvsland, Oeystein; Dmitrieva, Uliana; Dobrin, Alexandru Florin; Donigus, Benjamin; Dubinski, Jan Michal; Dubla, Andrea; Dupieux, Pascal; Dzalaiova, Natalia; Eder, Tabea Maria; Ehlers, Raymond James, III; Altsybeev, Igor; Eisenhut, Florian; Ejima, Ren; Elia, Domenico; Erazmus, Barbara Ewa; Ercolessi, Francesca; Espagnon, Bruno; Eulisse, Giulio; Evans, David; Evdokimov, Sergey; Fabbietti, Laura; Alvarado Garcia, Jesus Ricardo; Faggin, Mattia; Faivre, Julien; Fan, Feng; Fan, Wenqing; Fantoni, Alessandra; Fasel, Markus; Feliciello, Alessandro; Feofilov, Grigorii; Fernandez Tellez, Arturo; Ferrandi De Oliveira, Lucas; Anaam, Mustafa; Bertran Ferrer, Marta; Ferrero, Andrea; Ferrero, Chiara; Ferretti, Alessandro; Feuillard, Victor Jose Gaston; Filova, Vendulka; Finogeev, Dmitry; Fionda, Fiorella; Flatland, Erlend; Flor, Fernando Antonio; Andrei, Cristian; Flores, Amanda Nicole; Foertsch, Siegfried Valentin; Fokin, Ilya; Fokin, Sergey; Follo, Umberto; Fragiacomo, Enrico; Frajna, Eszter; Fuchs, Ulrich; Funicello, Nicola; Furget, Christophe; Aglieri Rinella, Gianluca; Andreou, Nicodemos; Furs, Artur; Fusayasu, Takahiro; Gaardhoeje, Jens Joergen; Gagliardi, Martino; Gago Medina, Alberto Martin; Gahlaut, Tanu; Duarte Galvan, Carlos; Gangadharan, Dhevan Raja; Ganoti, Paraskevi; Garabatos Cuadrado, Jose Maria; Andronic, Anton; Martinez Garcia, Josue; Garcia Chavez, Tonatiuh; Garcia-solis, Edmundo Javier; Gargiulo, Corrado; Gasik, Piotr Jan; Gaur, Hari Mohan; Gautam, Amrit; Gay Ducati, M. B.; De Leone Gay, Maria Beatriz; Germain, Marie; Andronov, Evgeny; Ghimouz, Abderrahmane; Ghosh, Chandrasekhar; Giacalone, Marco; Gioachin, Giulia; Giubellino, Paolo; Giubilato, Piero; Glaenzer, Aude Marie Camille; Glassel, Peter; Gl, P.; Glimos, Ewa; Anguelov, Venelin; Goh, Daniel Jia Qin; Gonzalez Sebastian, Victor Luis; Gordeev, Pavel; Gorgon, Marek Boguslaw; Goswami, Kangkan; Gotovac, Sven; Grabski, Varlen; Graczykowski, Lukasz Kamil; Grecka, Ekaterina; Grelli, Alessandro; Antinori, Federico; Grigoras, Costin; Grigoryev, Vladislav; Grigoryan, Smbat; Grosa, Fabrizio; Grosse-oetringhaus, Jan Fiete; Grosso, Raffaele; Grund, David; Gruenwald, Nadine Alice; Garcia Guardiano, Gabriel; Guernane, Rachid; Antonioli, Pietro; Guilbaud, Maxime Rene Joseph; Gulbrandsen, Kristjan Herlache; Gundem, Tuba; Gunji, Taku; Guo, Wenda; Gupta, Anik; Gupta, Ramni; Gupta, Rashi; Gwizdziel, Katarzyna; Gyulai, Laszlo; Apadula, Nicole; Hadjidakis, Cynthia Marie; Haider, Fakhar Ul; Haidlova, Sara; Haldar, Mintu; Hamagaki, Hideki; Hamdi, Abdennacer; Han, Younghoon; Hanley, Brian Gerald; Hannigan, Ryan Patrick; Hansen, Joachim; Aphecetche, Laurent Bernard; Haque, Md Rihan; Harris, John William; Harton, Austin Vincent; Hartung, Michael Volker; Hassan, Hadi; Hatzifotiadou, Despina; Hauer, Philip; Havener, Laura Brittany; Hellb, E.; Hellbar, Ernst; Appelsh, H.; Helstrup, Haavard; Hemmer, Marvin; Herman, Tomas; Hernandez, Sabrina Gabrielle; Herrera Corral, Gerardo Antonio; Herrmann, Florian; Herrmann, Sarah Nina Edwige; Hetland, Kristin Fanebust; Heybeck, Benedict; Hillemanns, Hartmut; Appelshaeuser, Harald; Hippolyte, Boris; Hoffmann, Felix Willi; Hofman, Bas; Hong, Geun Hee; Horst, Maximilian; Horzyk, Adrian; Hou, Yongzhen; Hristov, Peter Zahariev; Huhn, Patrick; Huhta, Laura Maria; Aglietta, Luca; Arata, Carolina; Humanic, Thomas; Hutson, Alek; Hutter, Dirk; Hwang, Minyoung Chris; Ilkaev, Radiy; Inaba, Motoi; Innocenti, Gian Michele; Ippolitov, Mikhail; Isakov, Artem; Isidori, Tommaso; Arcelli, Silvia; Islam, Md Samsul; Iurchenko, Semen; Ivanov, Marian; Ivanov, Vladimir; Iversen, Kaare Endrup; Jablonski, Miroslaw; Jacak, Barbara; Jacazio, Nicolo; Jacobs, Peter Martin; Aresti, Mauro; Jadlovska, Slavka; Jadlovsky, Jan; Jaelani, Syaefudin; Jahnke, Cristiane; Jakubowska, Monika Joanna; Janik, Malgorzata Anna; Janson, Thomas; Ji, Su-jeong; Jia, Shihai; Paz Jimenez, Alom Antonio; Arnaldi, Roberta; Jonas, Florian; Jones, Daniel Matthew; Jowett, John; Jung, Jerome; Jung, Michael; Junique, Antoine Jean-simon; Jusko, Anton; Kaewjai, Jetnipit; Kalinak, Peter; Kalweit, Alexander Philipp; Martins Campos Almeida Arneiro, Jhoao Gabriel; Karasu Uysal, Ayben; Karatovic, David; Karavichev, Oleg; Karavicheva, Tatiana; Karpechev, Evgeny; Karwowska, Maja Jadwiga; Kebschull, Udo Wolfgang; Keidel, Ralf; Keil, Markus; Ketzer, Bernhard Franz; Arsene, Ionut Cristian; Khade, Swapnesh Santosh; Khan, Ahsan Mehmood; Khan, Shaista; Khanzadeev, Alexei; Kharlov, Yury; Khatun, Anisa; Khuntia, Arvind; Khuranova, Zhanna; 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Krug, Cristiano; Kruger, Mario; Kr, M.; Krupova, Diana Maria; Badala, Angela; Kryshen, Evgeny; Kucera, Vit; Kuhn, Christian Claude; Kuijer, Paulus Gerardus; Kumaoka, Takuya; Kumar, Deekshit; Kumar, Lokesh; Kumar, Navneet; Kumar, Shyam; Kundu, Sourav; Bae, Joonsuk; Kurashvili, Podist; Kurepin, Alexander; Kurepin, Alexey; Kuryakin, Alexey; Kushpil, Svetlana; Kuskov, Vladislav; Kutyla, Monika; Kweon, Min Jung; Kwon, Youngil; La Pointe, Sarah Louise; Baek, Yongwook; La Rocca, Paola; Lakrathok, Anantachai; Lamanna, Massimo; Landou, Aimeric Robin; Langoy, Rune; Larionov, Pavel; Laudi, Elisa; Lautner, Lukas; Narcio Laveaga, Rafael Angel; Lavicka, Roman; Bai, Xiaozhi; Lea, Ramona; Lee, Hyungjun; Legrand, Iosif-charles; Legras, Gauthier; Lehrbach, Johannes; Lelek, Tomasz Marcin; Lemmon, Roy Crawford; Leon Monzon, Ildefonso; Lesch, Marcel Markus; Lesser, Ezra Douglas; Bailhache, Raphaelle Marie; Levai, Peter; Li, Mingze; Li, Xiaomei; Liang-gilman, Beatrice Eva; Lien, Jorgen Andre; Lietava, Roman; Likmeta, Iris; Lim, Bong-hwi; Lim, Sanghoon; Lindenstruth, Volker; Bailung, Yoshini; Lindner, Amelia; Lippmann, Christian; Liu, Donghai; Liu, Jian; Setoue Liveraro, Gianni Shigeru; Mckibben Lofnes, Ingrid; Loizides, Constantinos; Lokos, Sandor; Lomker, Johanna; Lopez, Xavier Bernard; Bala, Renu; Lopez Torres, Ernesto; Lu, Pengzhong; Lugo, Fabiola Viridiana; Luhder, Jens Robert; Lunardon, Marcello; Luparello, Grazia; Ma, Yugang; Mager, Magnus; Maire, Antonin; Majerz, Emilia Maria; Balbino, Alessandro; Makariev, Martin Vasilev; Malaev, Mikhail; Malfattore, Giovanni; Malik, Nasir Mehdi; Malik, Qasim Waheed; Malik, Salman Khurshid; Malinina, Liudmila; Mallick, Dukhishyam; Mallick, Neelkamal; Mandaglio, Giuseppe; Baldisseri, Alberto; Mandal, Sushobhan Kumar; Manea, Alexandru; Manko, Vladislav; Manso, Franck; Manzari, Vito; Mao, Yaxian; Marcjan, Robert Waclaw; Margagliotti, Giacomo Vito; Margotti, Anselmo; Marin, Ana Maria; Agrawal, Neelima; Balis, Bartosz; Markert, Christina; Martinengo, Paolo; 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G.; Norman, Jaime; Novitzky, Norbert; Nowakowski, Piotr; Nyanin, Alexander; Nystrand, Joakim Ingemar; Oh, Saehanseul; Ohlson, Alice Elisabeth; Okorokov, Vitaly; Oleniacz, Janusz; Onnerstad, Anna; Barnafoldi, Gergely Gabor; Oppedisano, Chiara; Ortiz Velasquez, Antonio; Otwinowski, Jacek Tomasz; Oya, Motomi; Oyama, Ken; Pachmayer, Yvonne Chiara; Padhan, Sonali; Pagano, Davide; Paic, Guy; Paisano Guzman, Sergio; Ahammed, Zubayer; Barnby, Lee Stuart; Palasciano, Antonio; Panebianco, Stefano; Parkkila, Jasper Elias; Patley, Yash; Paul, Biswarup; Pei, Hua; Peitzmann, Thomas; Peng, Xinye; Pennisi, Michele; Perciballi, Stefania; Barreau, Emilie Martine; Peresunko, Dmitry Yurevich; Mesa Perez, Guillermo; Pestov, Yury; Petersen, Mikkel Tornhoj; Petrov, Vitalii; Petrovici, Mihai; Piano, Stefano; Pikna, Miroslav; Pillot, Philippe; Pinazza, Ombretta; Ramillien Barret, Valerie; Pinsky, Lawrence; Pinto, Chiara; Pisano, Silvia; Ploskon, Mateusz Andrzej; Planinic, Mirko; Pliquett, Fabian; Poghosyan, Martin; Polishchuk, Boris; Polichtchouk, B.; Politano, Stefano; Barreto De Oliveira Campos, Leonardo; Poljak, Nikola; Pop, Amalia; Porteboeuf, Sarah Julie; Porteboeuf-Houssais, S.; Pozdniakov, Valerii; Yoval Pozos, Irandheny; Pradhan, Kshitish Kumar; Prasad, Sidharth Kumar; Prasad, Suraj; Preghenella, Roberto; Bartels, Clara; Prino, Francesco; Pruneau, Claude Andre; Pshenichnov, Igor; Puccio, Maximiliano; Pucillo, Sara; Qiu, Shi; Quaglia, Luca; Ragoni, Simone; Rai, Ananya; Rakotozafindrabe, Andry Malala; Barth, Klaus; Ramello, Luciano; Rami, Fouad; Ramírez-álvarez, C. O.; Rasa, Marika; Rasanen, Sami Sakari; Rath, Rutuparna; Rauch, Max Philip; Ravasenga, Ivan; Read, Kenneth Francis; Reckziegel, Christian; Bartsch, Esther; Redelbach, Andreas Ralph; Redlich, Krzysztof; Reetz, Carolina Anna; Regules Medel, Hector David; Rehman, Attiq Ur; Reidt, Felix; Reme-ness, Haakon Andre; Jakubcinova, Zuzana; Rescakova, Z.; Reygers, Klaus Johannes; Bastid, Nicole; Riabov, Andrei; Riabov, Viktor; Ricci, Riccardo; Richter, Matthias Rudolph; Riedel, Anton Albert; Riegler, Werner; Riffero, Andrea Giovanni; Ripoli, Cristina; Ristea, Catalin-lucian; Viqueira Rodriguez, Manuel; Basu, Sumit; Rodriguez Cahuantzi, Mario; Rodriguez Ramirez, Saul Anibal; Roeed, Ketil; Røed, K.; Rogalev, Roman; Rogochaya, Elena; Rogoschinski, Tim Sebastian; Rohr, David Michael; Roehrich, Dieter; Rojas Torres, Solangel; Batigne, Guillaume; Rokita, Przemyslaw Stefan; Romanenko, Gleb; Ronchetti, Federico; Dominguez Rosas, Edgar; Roslon, Krystian; Rossi, Andrea; Roy, Ankhi; Roy, Subhadeep; Rubini, Nicola; Ruggiano, Daniela; Ahmad, Shakeel; Battistini, Daniel; Rui, Rinaldo; Russek, Pawel Grzegorz; Russo, Roberto; Rustamov, Anar; Ryabinkin, Evgeny; Ryabov, Yury; Rybicki, Andrzej Krzysztof; Ryu, Jaehyeok; Rzesa, Wioleta; Sadhu, Samrangy; Batyunya, Boris; Sadovskiy, Sergey; Saetre, Jon-are; Safarik, Karel; Saha, Sumit Kumar; Saha, Swati; Sahoo, Bhagyarathi; Sahoo, Raghunath; Sahoo, Sarita; Sahu, Dushmanta; Sahu, Pradip Kumar; Bauri, Dibakar; Saini, Jogender; Tropp, Klaudia; Sajdakova, K.; Sakai, Shingo; Panikkassery Salvan, Malavika; Sambyal, Sanjeev Singh; Samitz, Daniel; Sanna, Isabella; Badaro Saramela, Thiago; Sarkar, Debojit; Bazo Alba, Jose Luis; Sarma, Pranjal; Sarritzu, Valerio; Mantovani Sarti, Valentina; Sas, M. H. P.; Sawan, Sawan; Scapparone, Eugenio; Schambach, Johann Joachim; Scheid, Horst Sebastian; Schiaua, Claudiu Cornel; Schicker, Rainer Martin; Bearden, Ian Gardner; Schlepper, Felix; Schmah, Alexander; Schmidt, Christian Joachim; Schmidt, Hans Rudolf; Schmidt, Marten Ole; Schmidt, Martin; Schmidt, Nicolas; Schmier, Austin Robert; Schotter, Romain; Wilhelmi, Alexander; Beattie, Caitlin; Schr, A.; Schukraft, Jurgen; Schweda, Kai Oliver; Scioli, Gilda; Scomparin, Enrico; Seger, Janet Elizabeth; Sekiguchi, Yuko; Sekihata, Daiki; Selina, Mariia; Selyuzhenkov, Ilya; Becht, Pascal; Senyukov, Serhiy; Seo, Jin Joo; Serebryakov, Dmitry; Serkin, Leonid; Serksnyte, Laura; Sevcenco, Adrian; Shaba, Tebogo Joyce; Shabetai, Alexandre; Shahoyan, Ruben; Shangaraev, Artem; Behera, Debadatta; Sharma, Binti; Sharma, Deependra; Sharma, Himanshu; Sharma, Meenakshi; Sharma, Samarth; Sharma, Sheetal; Sharma, Upasana; Shatat, Afnan; Sheibani, Oveis; Shigaki, Kenta; Belikov, Iouri; Hachiya Shimomura, Maya; Shin, Jaehyuck; Shirinkin, Sergey; Shou, Qiye; Sibiryak, Yury; Siddhanta, Sabyasachi; Siemiarczuk, Teodor; Fiorini Da Silva, Tiago; Silvermyr, David Olle Rickard; Simantathammakul, Tawanchat; Bell Hechavarria, A. 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C.; Simeonov, Radoslav; Singh, Balwan; Singh, Bhawani; Singh, Kamaljeet; Singh, Ranbir; Singh, Randhir; Singh, Ravindra; Singh, Sweta; Singh, Vivek; Singhal, Vikas; Ahn, Sang Un; Bellini, Francesca; Sarkar - Sinha, Tinku; Sitar, Branislav; Sitta, Mario; Skaali, Bernhard; Skorodumovs, Georgijs; Smirnov, Nikolai; Snellings, Raimond; Haugland Solheim, Emilie; Song, Jihye; Sonnabend, Christian; Bellwied, Rene; Sonneveld, Jorine; Soramel, Francesca; Soto-hernandez, Analyce Bella; Spijkers, Rik; Sputowska, Iwona Anna; Staa, Joey; Stachel, Johanna; Stan, Ionel; Steffanic, Patrick John; Stiefelmaier, Stephan Friedrich; Belokurova, Svetlana; Stocco, Diego; Storehaug, Ida; Strangmann, Nicolas Justus; Stratmann, Peter; Strazzi, Sofia; Sturniolo, Alessandro; Pliatskas Stylianidis, Christos; Alarcon Do Passo Suaide, Alexandre; Suire, Christophe Pierre; Sukhanov, Mikhail; Espinoza Beltran, Lucina Gabriela; Suljic, Miljenko; Sultanov, Rishat; Sumberia, Vikash; Sumowidagdo, Suharyo; Szarka, Imrich; Szymkowski, Maciej; Taghavi, Seyed Farid; Taillepied, Guillaume; Takahashi, Jun; Tambave, Ganesh Jagannath; Vasquez Beltran, Yael Antonio; Tang, Siyu; Tang, Zebo; Tapia Takaki, Daniel Jesus; Tapus, Nicolae; Tarasovicova, Lucia Anna; Tarzila, Madalina-gabriela; Tassielli, Giovanni Francesco; Tauro, Arturo; Tavira Garcia, Andrea; Tejeda Munoz, Guillermo; Bencedi, Gyula; Telesca, Adriana; Terlizzi, Livia; Terrevoli, Cristina; Thakur, Sanchari; Thomas, Deepa; Tikhonov, Anatoly; Tiltmann, Nicolas; Timmins, Anthony Robert; Tkacik, Milan; Tkacik, Tomas; Bensaoula, Adel; Toia, Alberica; Tokumoto, Ryoka; Tomassini, Sofia; Tomohiro, Keisuke; Topilskaya, Nataliya; Toppi, Marco; Tork, Theraa; Valencia Torres, Victor; Torres Ramos, Arianna Grisel; Trifiro, Antonio; Beole, Stefania Maria; Triolo, Andrea Sofia; Tripathy, Sushanta; Tripathy, Tulika; Trubnikov, Victor; Trzaska, Wladyslaw Henryk; Trzcinski, Tomasz Piotr; Tsolanta, Christina; Tumkin, Alexandr; Turrisi, Rosario; Tveter, Trine Spedstad; Berdnikov, Yaroslav; Ullaland, Kjetil; Ulukutlu, Berkin; Uras, Antonio; Urioni, Marta; Usai, Gianluca; Vala, Martin; Valle, Nicolo; Van Doremalen, Lennart; Van Leeuwen, Marco; Van Veen, Casper Arie; Berdnikova, Anastasia; Van Weelden, Roelof Jan Gijs; Vande Vyvre, Pierre; Varga, Dezso; Varga, Zoltan; Vargas Torres, Paola; Vasileiou, Maria; Vasiliev, Andrey; Vazquez Doce, Oton; Vazquez Rueda, Omar; Vechernin, Vladimir |
| Source: |
Physics letters / B 872, 140006 - (2026). doi:10.1016/j.physletb.2025.140006 |
| Publisher Information: |
North-Holland Publ. |
| Publication Year: |
2026 |
| Collection: |
GSI Repository (Helmholtzzentrum für Schwerionenforschung) |
| Subject Terms: |
info:eu-repo/classification/ddc/530; heavy ion: scattering; pi: photoproduction; cross section: measured; resonance: Breit-Wigner; peripheral; branching ratio; TeV; rho(1450); rho(1700); photon; nucleus; rapidity; mass spectrum; lead; CERN LHC Coll; transverse momentum; gold; Brookhaven RHIC Coll; detector: pixel; Ultraperipheral collisions; Exclusive photoproduction; Vector mesons |
| Subject Geographic: |
DE |
| Description: |
The intense photon fluxes from relativistic nuclei provide an opportunity to study photonuclear interactions in ultraperipheral collisions. In particular, it allows for the investigations of excited, light-flavour vector mesons. The measurement of coherently photoproduced π + π − π + π − final states in ultraperipheral Pb–Pb collisions at s NN = 5.02 TeV is presented for the first time. The cross section, dσ/dy, times the branching ratio ( ρ → π + π + π − π − ) is found to be 47.8 ± 2.3 (stat.) ± 7.7 (syst.) mb in the rapidity interval |y| < 0.5. The invariant mass distribution is not well described with a single Breit-Wigner resonance without an interference term. Including interference with a non-resonant contribution results in the mass and width values being too far from those reported in PDG, while the production of two interfering resonances, ρ(1450) and ρ(1700), also provides a good description of the data. The values of the masses (m) and widths (Γ) of the resonances extracted from the fit assuming two interfering resonances are m 1 = 1385 ± 14 ( stat . ) ± 3 ( syst . ) MeV/ c 2 , Γ 1 = 431 ± 36 ( stat . ) ± 82 ( syst . ) MeV/ c 2 , m 2 = 1663 ± 13 ( stat . ) ± 22 ( syst . ) MeV/ c 2 and Γ 2 = 357 ± 31 ( stat . ) ± 49 ( syst . ) MeV/ c 2 , respectively. The measured cross sections times the branching ratios are compared to recent theoretical predictions. |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| ISSN: |
1873-2410; 0370-2693; 0031-9163; 1873-2445 |
| Relation: |
info:eu-repo/semantics/altIdentifier/issn/1873-2410; info:eu-repo/semantics/altIdentifier/issn/0370-2693; info:eu-repo/semantics/altIdentifier/arxiv/arXiv:2404.07542; info:eu-repo/semantics/altIdentifier/wos/WOS:001652175300001; info:eu-repo/semantics/altIdentifier/issn/0031-9163; info:eu-repo/semantics/altIdentifier/issn/1873-2445; info:eu-repo/grantAgreement/EC//824093; https://repository.gsi.de/record/363922 |
| Availability: |
https://repository.gsi.de/record/363922; https://repository.gsi.de/search?p=id:%22GSI-2026-00125%22 |
| Rights: |
info:eu-repo/semantics/openAccess |
| Accession Number: |
edsbas.E2982C1A |
| Database: |
BASE |