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◆ Physical review letters2026-09-11

Energy Correlators within Jets in Transversely Polarized Proton-Proton Collisions at sqrt[s]=200  GeV.

B E Aboona, J Adam, G Agakishiev, I Aggarwal, M M Aggarwal, Z Ahammed, E C Aschenauer, A Aitbayev, I Alekseev, E Alpatov, A K Alshammri, A Aparin, S Aslam, J Atchison, G S Averichev, V Bairathi, X Bao, P Barik, K Barish, S Behera, P Bhagat, A Bhasin, S Bhatta, I G Bordyuzhin, J D Brandenburg, A V Brandin, C Broodo, X Z Cai, H Caines, M Calderón de la Barca Sánchez, D Cebra, J Ceska, I Chakaberia, Y S Chang, Z Chang, A Chatterjee, D Chen, J H Chen, L Chen, Q Chen, W Chen, Z Chen, J Cheng, Y Cheng, W Christie, X Chu, S Corey, H J Crawford, G Dale-Gau, A Das, D De Souza Lemos, T G Dedovich, I M Deppner, A A Derevschikov, A Deshpande, A Dhamija, A Dimri, P Dixit, X Dong, J L Drachenberg, E Duckworth, J C Dunlop, Y S El-Feky, J Engelage, G Eppley, S Esumi, O Evdokimov, O Eyser, B Fan, Y Fang, R Fatemi, S Fazio, H Feng, Y Feng, E Finch, Y Fisyak, F A Flor, B Fu, C Fu, T Fu, T Gao, Gao, G Garcia, F Geurts, A Gibson, A Giri, K Gopal, X Gou, D Grosnick, A Gu, J Gu, A Gupta, A Hamed, R J Hamilton, J Han, X Han, M D Harasty, J W Harris, H Harrison-Smith, L B Havener, X H He, Y He, C Hu, Q Hu, Y Hu, H Huang, H Z Huang, S L Huang, T Huang, Y Huang, Y Huang, Y Huang, M Isshiki, W W Jacobs, A Jalotra, C Jena, Y Ji, J Jia, X Jiang, C Jin, Y Jin, N Jindal, X Ju, E G Judd, S Kabana, D Kalinkin, J Kang, K Kang, A R Kanuganti, D Kapukchyan, K Kauder, D Keane, A Kechechyan, M Kesler, A Khanal, A Khanal, J Kim, A Kiselev, A G Knospe, L Kochenda, Y Kong, A A Korobitsin, B Korodi, A Yu Kraeva, P Kravtsov, L Kumar, M C Labonte, R Lacey, J M Landgraf, C Larson, R Lednicky, J H Lee, Y H Leung, C Li, D Li, H-S Li, H Li, H Li, H Li, W Li, X Li, X Li, Y Li, Z Li, Z Li, X Liang, T Lin, Y Lin, C Liu, G Liu, H Liu, L Liu, L Liu, Z Liu, Z Liu, T Ljubicic, Lnu, O Lomicky, E M Loyd, T Lu, J Luo, X F Luo, V B Luong, L Ma, R Ma, Y G Ma, N Magdy, R Manikandhan, O Matonoha, Mccallips, K Menduli, K Mi, N G Minaev, B Mohanty, B Mondal, M M Mondal, I Mooney, D A Morozov, M I Nagy, C J Naim, A S Nain, J D Nam, M Nasim, H Nasrulloh, K Nayak, E Nedorezov, J M Nelson, M Nie, G Nigmatkulov, T Niida, L V Nogach, T Nonaka, G Odyniec, A Ogawa, S Oh, V A Okorokov, K Okubo, B S Page, M Pal, S Pal, A Pandav, A Panday, A K Pandey, Y Panebratsev, T Pani, P Parfenov, A Paul, S Paul, C Perkins, S Ping, I D Ponce Pinto, M Posik, E Pottebaum, A Povarov, Praharaj, S Prodhan, T L Protzman, N K Pruthi, J Putschke, Y Qi, Z Qin, H Qiu, S K Radhakrishnan, A Rana, R L Ray, C W Robertson, O V Rogachevsky, M A Rosales Aguilar, D Roy, L Ruan, A K Sahoo, N R Sahoo, H Sako, S Salur, S S Sambyal, E Samigullin, D T Samuel, J K Sandhu, S Sato, B C Schaefer, J Seger, R Seto, P Seyboth, N Shah, E Shahaliev, P V Shanmuganathan, T Shao, M Sharma, R Sharma, S R Sharma, A I Sheikh, D Shen, D Y Shen, K Shen, S Shi, Y Shi, E Shulga, F Si, J Singh, S Singha, P Sinha, M J Skoby, Y Söhngen, Y Song, T D S Stanislaus, M Strikhanov, Y Su, X Sun, Y Sun, B Surrow, D N Svirida, Z W Sweger, A C Tamis, A H Tang, Z Tang, Tanner, A Taranenko, T Tarnowsky, J H Thomas, A Timofeev, D Tlusty, M V Tokarev, D Torres-Valladares, S Trentalange, O D Tsai, C Y Tsang, Z Tu, J E Tyler, T Ullrich, D G Underwood, G Van Buren, A N Vasiliev, F Videbæk, S Vokal, S A Voloshin, F Wang, G Wang, G Wang, J S Wang, J Wang, K Wang, X Wang, Y Wang, Y Wang, Y Wang, Z Wang, Z Wang, J C Webb, P C Weidenkaff, G D Westfall, H Wieman, G Wilks, S W Wissink, C P Wong, J Wu, Wu, X Wu, X Wu, X Wu, B Xi, Y Xiao, Z G Xiao, G Xie, W Xie, H Xu, N Xu, Q H Xu, X Xu, Y Xu, Y Xu, Y Xu, Y Xu, Z Xu, Z Xu, G Yan, Z Yan, C Yang, Q Yang, S Yang, Y Yang, Z Ye, Z Ye, L Yi, Y Yu, W Yuan, W Zha, C Zhang, D Zhang, J Zhang, K Zhang, L Zhang, S Zhang, W Zhang, X Zhang, Y Zhang, Y Zhang, Y Zhang, Y Zhang, Z Zhang, Z Zhang, F Zhao, J Zhao, Zhao, S Zhou, Y Zhou, C Zhu, X Zhu, M Zyzak, STAR Collaboration

原始摘要(英文原文)· Original abstract
We report the first measurement of one- and two-point energy correlators within jets in transversely polarized proton-proton collisions at sqrt[s]=200  GeV, using the STAR detector at the Relativistic Heavy Ion Collider. These observables quantify the energy-weighted angular distribution of single hadrons and hadron pairs within jets, respectively. Sizable spin-dependent asymmetries are observed for π^{+}, π^{-}, and π^{+}π^{-} pairs, revealing the onset of nonperturbative dynamics at specific angular scales. By projecting the fragmentation dynamics onto Mellin moments, these measurements provide sensitivity to the nucleon's transversity while minimizing uncertainties from nonperturbative fragmentation functions. These results establish energy correlators as a novel and precise probe of nucleon structure and open a promising avenue for three-dimensional nucleon tomography at the future Electron-Ion Collider.
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Energy Correlators within Jets in Transversely Polarized Proton-Proton Collisions at sqrt[s]=200  GeV. — 科研速览 Science Skim