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Observation of new excited ${B} ^0_{s} $ states
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In: Eur.Phys.J.C ; https://hal.archives-ouvertes.fr/hal-03010999 ; Eur.Phys.J.C, 2021, 81 (7), pp.601. ⟨10.1140/epjc/s10052-021-09305-3⟩ (2021)
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Observation of new excited ${B} ^0_{s} $ states
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Aaij, Roel; Abellán Beteta, Carlos; Ackernley, Thomas; Adeva, Bernardo; Adinolfi, Marco; Afsharnia, Hossein; Aidala, Christine Angela; Aiola, Salvatore; Ajaltouni, Ziad; Akar, Simon; Albrecht, Johannes; Alessio, Federico; Alexander, Michael; Alfonso Albero, Alejandro; Aliouche, Zakariya; Alkhazov, Georgy; Alvarez Cartelle, Paula; Amato, Sandra; Amhis, Yasmine; An, Liupan; Anderlini, Lucio; Andreianov, Aleksei; Andreotti, Mirco; Archilli, Flavio; Artamonov, Alexander; Artuso, Marina; Arzymatov, Kenenbek; Aslanides, Elie; Atzeni, Michele; Audurier, Benjamin; Bachmann, Sebastian; Bachmayer, Marie; Back, John; Baker, Sophie; Baladron Rodriguez, Pablo; Balagura, Vladislav; Baldini, Wander; Baptista Leite, Juan; Barlow, Roger; Barsuk, Sergey; Barter, William; Bartolini, Matteo; Baryshnikov, Fedor; Basels, Jan-Marc; Bassi, Giovanni; Batsukh, Baasansuren; Battig, Alexander; Bay, Aurelio; Becker, Maik; Bedeschi, Franco; Bediaga, Ignacio; Beiter, Andrew; Belavin, Vladislav; Belin, Samuel; Bellee, Violaine; Belous, Konstantin; Belov, Ilia; Belyaev, Ivan; Bencivenni, Giovanni; Ben-Haim, Eli; Berezhnoy, Alexander; Bernet, Roland; Berninghoff, Daniel; Bernstein, Harris Conan; Bertella, Claudia; Bertholet, Emilie; Bertolin, Alessandro; Betancourt, Christopher; Betti, Federico; Bettler, Marc-Olivier; Bezshyiko, Ia.; Bezshyiko, Iaroslava; Bhasin, Srishti; Bhom, Jihyun; Bian, Lingzhu; Bieker, Martin Stefan; Bifani, Simone; Billoir, Pierre; Birch, Matthew; Bishop, Fionn Caitlin Ros; Bizzeti, Andrea; Bjørn, Mikkel; Blago, Michele Piero; Blake, Thomas; Blanc, Frederic; Blusk, Steven; Bobulska, Dana; Boelhauve, Julian Alexander; Boente Garcia, Oscar; Boettcher, Thomas; Boldyrev, Alexey; Bondar, Alexander; Bondar, Nikolay; Borghi, Silvia; Borisyak, Maxim; Borsato, Martino; Borsuk, Jozef Tomasz; Bouchiba, Sonia Amina; Bowcock, Themistocles; Boyer, Alexandre; Bozzi, Concezio; Bradley, Matthew John; Braun, Svende; Brea Rodriguez, Alexandre; Brodski, Michael; Brodzicka, Jolanta; Brossa Gonzalo, Arnau; Brundu, Davide; Buonaura, Annarita; Burr, Christopher; Bursche, Albert; Butkevich, Anatoly; Butter, Jordy Sebastiaan; Buytaert, Jan; Byczynski, Wiktor; Cadeddu, Sandro; Cai, Hao; Calabrese, Roberto; Calefice, Lukas; Calero Diaz, Liliet; Cali, Stefano; Calladine, Ryan; Calvi, Marta; Calvo Gomez, Miriam; Camargo Magalhaes, Patricia; Camboni, Alessandro; Campana, Pierluigi; Campora Perez, Daniel Hugo; Campoverde Quezada, Angel Fernando; Capelli, Simone; Capriotti, Lorenzo; Carbone, Angelo; Carboni, Giovanni; Cardinale, Roberta; Cardini, Alessandro; Carli, Ina; Carniti, Paolo; Carvalho Akiba, Kazuyoshi; Casais Vidal, Adrian; Casse, Gianluigi; Cattaneo, Marco; Cavallero, Giovanni; Celani, Sara; Cerasoli, Jacopo; Chadwick, Abbie Jane; Chapman, Matthew George; Charles, Matthew; Charpentier, Philippe; Chatzikonstantinidis, Georgios; Chavez Barajas, Carlos Alberto; Chefdeville, Maximilien; Chen, Chen; Chen, Shanzhen; Chernov, Aleksei; Chitic, Stefan-Gabriel; Chobanova, Veronika; Cholak, Serhii; Chrzaszcz, Marcin; Chubykin, Alexsei; Chulikov, Vladimir; Ciambrone, Paolo; Cicala, Maria Flavia; Cid Vidal, Xabier; Ciezarek, Gregory; Clarke, P.E. L.; Clemencic, Marco; Cliff, Harry; Closier, Joel; Cobbledick, John Leslie; Coco, Victor; Coelho, Joao A B; Cogan, Julien; Cogneras, Eric; Cojocariu, Lucian; Collins, Paula; Colombo, Tommaso; Congedo, Liliana; Contu, Andrea; Cooke, Naomi; Coombs, George; Corti, Gloria; Costa Sobral, Cayo Mar; Couturier, Benjamin; Craik, Daniel Charles; Crkovská, Jana; Cruz Torres, Melissa Maria; Currie, Robert; Da Silva, Cesar Luiz; Dall'Occo, Elena; Dalseno, Jeremy; D'Ambrosio, Carmelo; Danilina, Anna; d'Argent, Philippe; Davis, Adam; De Aguiar Francisco, Oscar; De Bruyn, Kristof; De Capua, Stefano; De Cian, Michel; De Miranda, Jussara; De Paula, Leandro; De Serio, Marilisa; De Simone, Dario; De Simone, Patrizia; de Vries, Jacco; Dean, Cameron Thomas; Dean, William; Decamp, Daniel; Del Buono, Luigi; Delaney, Blaise; Dembinski, Hans Peter; Dendek, Adam; Denysenko, Vadym; Derkach, Denis; Deschamps, Olivier; Desse, Fabrice; Dettori, Francesco; Dey, Biplab; Di Nezza, Pasquale; Didenko, Sergey; Dieste Maronas, Lorena; Dijkstra, Hans; Dobishuk, Vasyl; Donohoe, Amanda May; Dordei, Francesca; dos Reis, Alberto; Douglas, Lauren; Dovbnya, Anatoliy; Downes, Anthony Gavin; Dreimanis, Karlis; Dudek, Maciej Wojciech; Dufour, Laurent; Duk, Viacheslav; Durante, Paolo; Durham, John Matthew; Dutta, Deepanwita; Dziewiecki, Michal; Dziurda, Agnieszka; Dzyuba, Alexey; Easo, Sajan; Egede, Ulrik; Egorychev, Victor; Eidelman, Semen; Eisenhardt, Stephan; Ek-In, Surapat; Eklund, Lars; Ely, Scott; Ene, Alexandru; Epple, Eliane; Escher, Stephan; Eschle, Jonas Nathanael; Esen, Sevda; Evans, Timothy; Falabella, Antonio; Fan, Jingzhou; Fan, Yanting; Fang, Bo; Farley, Nathanael; Farry, Stephen; Fazzini, Davide; Fedin, Petr; Féo, Mauricio; Fernandez Declara, Placido; Fernandez Prieto, Antonio; Fernandez-tenllado Arribas, Jose Maria; Ferrari, Fabio; Ferreira Lopes, Lino; Ferreira Rodrigues, Fernando; Ferreres Sole, Silvia; Ferrillo, Martina; Ferro-Luzzi, Massimiliano; Filippov, Sergey; Fini, Rosa Anna; Fiorini, Massimiliano; Firlej, Miroslaw; Fischer, Kamil Leszek; Fischer, K.M.; Fitzpatrick, Conor; Fiutowski, Tomasz; Fleuret, Frederic; Fontana, Marianna; Fontanelli, Flavio; Forty, Roger; Franco Lima, Vinicius; Franco Sevilla, Manuel; Frank, Markus; Franzoso, Edoardo; Frau, Giulia; Frei, Christoph; Friday, David Anthony; Fu, Jinlin; Fuehring, Quentin; Funk, Wolfgang; Gabriel, Emmy; Gaintseva, Tatiana; Gallas Torreira, Abraham; Galli, Domenico; Gambetta, Silvia; Gan, Yuyue; Gandelman, Miriam; Gandini, Paolo; Gao, Yuanning; Garau, Michela; Garcia Martin, Luis Miguel; Garcia Moreno, Paula; García Pardiñas, Julián; Garcia Plana, Beatriz; Garcia Rosales, Felipe Andres; Garrido, Lluis; Gascon, David; Gaspar, Clara; Geertsema, Robbert Erik; Gerick, David; Gerken, Louis Lenard; Gersabeck, Evelina; Gersabeck, Marco; Gershon, Timothy; Gerstel, Dawid; Ghez, Ph.; Ghez, Philippe; Gibson, Valerie; Giovannetti, Matteo; Gioventù, Alessandra; Gironella Gironell, Pere; Giubega, Lavinia-Helena; Giugliano, Carmen; Gizdov, Konstantin; Gkougkousis, Evangelos Leonidas; 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P.; Solovev, Aleksandr; Solovyev, Ivan; Souza De Almeida, Felipe Luan; Souza De Paula, Bruno; Spaan, Bernhard; Spadaro Norella, Elisabetta; Spradlin, Patrick; Stagni, Federico; Stahl, Marian; Stahl, Sascha; Stefko, Pavol; Steinkamp, Olaf; Stemmle, Simon; Stenyakin, Oleg; Stevens, Holger; Stone, Sheldon; Stramaglia, Maria Elena; Straticiuc, Mihai; Strekalina, Daria; Strokov, Sergey; Suljik, Fidan; Sun, Jiayin; Sun, Liang; Sun, Yipeng; Svihra, Peter; Swallow, Paul Nathaniel; Swientek, Krzysztof; Szabelski, Adam; Szumlak, Tomasz; Szymanski, Maciej Pawel; Taneja, Shantam; Tang, Zhipeng; Tekampe, Tobias; Teubert, Frederic; Thomas, Eric; Thomson, Kayleigh Anne; Tilley, Matthew James; Tisserand, Vincent; T'Jampens, Stephane; Tobin, Mark; Tolk, Siim; Tomassetti, Luca; Torres Machado, Diego; Tou, Da Yu; Traill, Murdo; Tran, Minh Tâm; Trifonova, Ekaterina; Trippl, Carina; Tsaregorodtsev, Andrei; Tuci, Giulia; Tully, Alison; Tuning, Niels; Ukleja, Artur; Unverzagt, Daniel Joachim; Usachov, Andrii; Ustyuzhanin, Andrey; Uwer, Ulrich; Vagner, Alexander; Vagnoni, Vincenzo; Valassi, Andrea; Valenti, Giovanni; Valls Canudas, Nuria; van Beuzekom, Martinus; Van Hecke, Hubert; van Herwijnen, Eric; Van Hulse, Charlotte Barbara; van Veghel, Maarten; Vazquez Gomez, Ricardo; Vazquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vecchi, Stefania; Velthuis, Jaap; Veltri, Michele; Venkateswaran, Aravindhan; Veronesi, Michele; Vesterinen, Mika; Vieira, Daniel; Vieites Diaz, Maria; Viemann, Harald; Vilasis-Cardona, Xavier; Vilella Figueras, Eva; Vincent, Pascal; Vitali, Giacomo; Vollhardt, Achim; Vom Bruch, Dorothea; Vorobyev, Alexey; Vorobyev, Vitaly; Voropaev, Nikolai; Waldi, Roland; Walsh, John; Wang, Chishuai; Wang, Jianqiao; Wang, Jike; Wang, Jialu; Wang, Jianchun; Wang, Mengzhen; Wang, Rui; Wang, Yilong; Wang, Zhenzi; Ward, David; Wark, Heather Mckenzie; Watson, Nigel; Weber, Steffen Georg; Websdale, David; Weisser, Constantin; Westhenry, Benedict Donald C; White, Dylan Jaide; Whitehead, Mark; Wiedner, Dirk; Wilkinson, Guy; Wilkinson, Michael; Williams, Ifan; Williams, Mike; Williams, Mark Richard James; Wilson, Fergus; Wislicki, Wojciech; Witek, Mariusz; Witola, Lukas; Wormser, Guy; Wotton, Stephen; Wu, Hangyi; Wyllie, Kenneth; Xiang, Zhiyu; Xiao, Dong; Xie, Yuehong; Xing, Hongxi; Xu, Ao; Xu, Jingyi; Xu, Li; Xu, Menglin; Xu, Qingnian; Xu, Zhihao; Xu, Zehua; Yang, Di; Yang, Youhua; Yang, Zhenwei; Yang, Zishuo; Yao, Yuezhe; Yeomans, Lauren Emma; Yin, Hang; Yu, Jiesheng; Yuan, Xuhao; Yushchenko, Oleg; Zarebski, Kristian Alexander; Zavertyaev, Mikhail; Zdybal, Milosz; Zenaiev, Oleksandr; Zeng, Ming; Zhang, Dongliang; Zhang, Liming; Zhang, Shunan; Zhang, Yanxi; Zhang, Yu; Zhelezov, Alexey; Zheng, Yangheng; Zhou, Xiaokang; Zhou, Yixiong; Zhu, Xianglei; Zhukov, Valery; Zonneveld, Jennifer Brigitta; Zucchelli, Stefano; Zuliani, Davide; Zunica, Gianluca. - 2020
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Abstract:
A structure is observed in the $B^+K^-$ mass spectrum in a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb${}^-1$. The structure is interpreted as the result of overlapping excited $B_s^0$ states. With high significance, a two-peak hypothesis provides a better description of the data than a single resonance. Under this hypothesis the masses and widths of the two states, assuming they decay directly to $B^+K^-$, are determined to be \begin{align*} m_1 &= 6063.5 \pm 1.2 \text{ (stat)} \pm 0.8\text{ (syst) MeV}, \ \Gamma_1 &= 26 \pm 4 \text{ (stat)} \pm 4\text{ (syst) MeV}, \ m_2 &= 6114 \pm 3 \text{ (stat)} \pm 5\text{ (syst) MeV}, \ \Gamma_2 &= 66 \pm 18 \text{ (stat)} \pm 21\text{ (syst) MeV}. \end{align*} Alternative values assuming a decay through $B^{*+}K^-$, with a missing photon from the $B^{*+} \rightarrow B^+\gamma$ decay, are also determined. The ratio of the total production cross-section times branching fraction of the new states relative to the previously observed $B_{s2}^{*0}$ state is determined to be $0.87 \pm 0.15 \text{ (stat)} \pm 0.19 \text{ (syst)}$. ; A structure is observed in the ${B} ^{\pm }{K} ^{\mp }$ mass spectrum in a sample of proton–proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9$\,\text {fb} ^{-1}$. The structure is interpreted as the result of overlapping excited ${B} ^0_{s} $ states. With high significance, a two-peak hypothesis provides a better description of the data than a single resonance. Under this hypothesis the masses and widths of the two states, assuming they decay directly to ${B} ^{\pm }{K} ^{\mp }$, are determined to be $\begin{aligned} m_1&= 6063.5 \pm 1.2 \text { (stat)} \pm 0.8\text { (syst)}\,\text {Me}\text {V}, \ \Gamma _1&= 26 \pm 4 \text { (stat)} \pm 4\text { (syst)}\,\text {Me}\text {V}, \ m_2&= 6114 \pm 3 \text { (stat)} \pm 5\text { (syst)}\,\text {Me}\text {V}, \ \Gamma _2&= 66 \pm 18 \text { (stat)} \pm 21\text { (syst)}\,\text {Me}\text {V}. \end{aligned}$Alternative values assuming a decay through ${B} ^{*\pm }{K} ^{\mp }$, with a missing photon from the $B^{*\pm } \rightarrow B^{\pm }\gamma $ decay, which are shifted by approximately 45$\,\text {Me}$V, are also determined. The possibility of a single state decaying in both channels is also considered. The ratio of the total production cross-section times branching fraction of the new states relative to the previously observed $B_{s2}^{*0}$ state is determined to be $0.87 \pm 0.15 \text { (stat)} \pm 0.19 \text { (syst)}$. ; A structure is observed in the $B^+K^-$ mass spectrum in a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb${}^-1$. The structure is interpreted as the result of overlapping excited $B_s^0$ states. With high significance, a two-peak hypothesis provides a better description of the data than a single resonance. Under this hypothesis the masses and widths of the two states, assuming they decay directly to $B^+K^-$, are determined to be $m_1 = 6063.5 \pm 1.2 \text{ (stat)} \pm 0.8\text{ (syst) MeV},$$\Gamma_1 = 26 \pm 4 \text{ (stat)} \pm 4\text{ (syst) MeV},$$m_2 = 6114 \pm 3 \text{ (stat)} \pm 5\text{ (syst) MeV},$$\Gamma_2 = 66 \pm 18 \text{ (stat)} \pm 21\text{ (syst) MeV}.$ Alternative values assuming a decay through $B^{*+}K^-$, with a missing photon from the $B^{*+} \rightarrow B^+\gamma$ decay, which are shifted by approximately 45 MeV are also determined. The possibility of a single state decaying in both channels is also considered. The ratio of the total production cross-section times branching fraction of the new states relative to the previously observed $B_{s2}^{*0}$ state is determined to be $0.87 \pm 0.15 \text{ (stat)} \pm 0.19 \text{ (syst)}$.
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Keyword:
hep-ex; Particle Physics - Experiment
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URL: http://cds.cern.ch/record/2743367
https://doi.org/10.1140/epjc/s10052-021-09305-3
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| 8 |
Follow-Up in Aphasia Caused by Acute Stroke in a Prospective, Randomized, Clinical, and Experimental Controlled Noninvasive Study With an iPad-Based App (Neolexon®): Study Protocol of the Lexi Study
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In: Frontiers in Neurology (2020)
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| 9 |
Follow-Up in Aphasia Caused by Acute Stroke in a Prospective, Randomized, Clinical, and Experimental Controlled Noninvasive Study With an iPad-Based App (Neolexon®): Study Protocol of the Lexi Study
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In: Front Neurol (2020)
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| 16 |
Observation of $B^0_s\to\bar{D}^0 K^0_S$ and evidence for $B^0_s\to\bar{D}^{*0} K^0_S$ decays
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| 17 |
Zum Geleit: Kosmopolitismus & Körperlichkeit im 18. Jahrhundert im Drama und auf der Bühne – in Kopenhagen und anderswo
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| 18 |
Kosmopolitismus & Körperlichkeit im europäischen Drama des 18. Jahrhunderts
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| 19 |
Der Bühnenbrief: Verhandlungen von Körperlichkeit und Epistolarizität auf der Bühne des 18. Jahrhunderts
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| 20 |
Cosmopolitan Interventions on the late Eighteenth-Century Stage
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