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2026
article
Measurement of transverse single-spin asymmetries for dijet production in polarized proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>200</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>GeV</mml:mi> </mml:math>
B. E. Aboona, Jaroslav Adam, G. Agakishiev, I. Aggarwal, Madan Mohan Aggarwal, Z. Ahammed, A. Aitbayev, I. Alekseev, E. Alpatov, A. K. Alshammri, E. C. Aschenauer, A. Aparin, S. Aslam, Joseph Atchison, G. S. Averichev, V. Bairathi, X. Bao, P. Barik, K. N. Barish, S. Behera, Pratibha 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, Jinhui Chen, L. Chen, Q. Chen, W. Chen, Z. Chen, J. Cheng, Yunshan Cheng, W. Christie, X. Chu, S. Corey, H. J. Crawford, G. Dale-Gau, Ayanabha Das, D. S. Lemos, T. G. Dedovich, I. Deppner, A. A. Derevschikov, A. Deshpande, A. Dhamija, Aman Dimri, Prabhupada Dixit, X. Dong, J. L. Drachenberg, E. Duckworth, J. C. Dunlop, Yousif Shabaan El-Feky, J. Engelage, G. Eppley, ShinIchi 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, Gabriel Garcia Guardiano, F. J. M. Geurts, A. Gibson, A. Giri, K. Gopal, M. Gordon, X. Gou, D. Grosnick, Abraham Mathew Koshy, Gu Jm, A. Gupta, A. Hamed, R. J. Hamilton, J. Han, X. Han, M. D. Harasty, John William Harris, H. Harrison-Smith, L. B. Havener, X. H. He, Y. He, C. Hu, Qingyuan Hu, Y. Hu, H. Huang, H. Z. Huang, S. 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, Nicholas Jindal, X. Ju, E. G. Judd, S. Kabana, D. Kalinkin, J. Kang, K. Kang, A. R. Kanuganti, D. Kapukchyan, K. Kauder, D. Keane, A. O. Kechechyan, M. Kesler, A. Khanal, J. Kim, A. Kiselev, A. G. Knospe, L. Kochenda, Y. Kong, A. A. Korobitsin, B. Kórodi, A. Yu. Kraeva, П. Кравцов, L. Kumar, M. C. Labonte, R. Lacey, J M Landgraf, C. Larson, A. Lebedev, R. Lednický, J H Lee, Y. H. Leung, C. Li, Dongsheng Li, H-S. Li, H. Li, Hongcan Li, Hanlin Li, W. Li, Xiujun Li, Xinbai Li, Y. Li, Ziyang Li, Z. Li, X. Liang, T. Lin, Y. Lin, C. Liu, G. Liu, Hui Liu, Like Liu, Lu-Meng Liu, Zuowen Liu, Z. Liu, T. Ljubicic, O. Lomicky, E. Loyd, Tan Lu, J. Luo, X. Luo, V. B. Luong, L. Ma, Rongrong Ma, Y. G., N. Magdy, B. Maghoul, R. Manikandhan, O. Matonoha, K. Menduli, K. Mi, N. G. Minaev, B. Mohanty, B. Mondal, M. M. Mondal, I. Mooney, D. A. Morozov, M. I. Nagy, C. Naim, A. S. Nain, J. D. Nam, Md. Nasim, H. Nasrulloh, E. Nedorezov, J. M. Nelson, M. Nie, G. Nigmatkulov, T. Niida, L. V. Nogach, Toshihiro Nonaka, G. Odyniec, A. Ogawa, S. Oh, В. А. Окороков, 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. Ponce, M. Posik, E. G. Pottebaum, A. Povarov, S. Prodhan, T. L. Protzman, N. K. Pruthi, J. Putschke, Y. Qi, Z. Qin, Hao Bo Qiu, S. K. Radhakrishnan, Abhishek 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. Sambyal, E. Samigullin, Tunde Daniel Samuel, J. K. Sandhu, S. Sato, B. Schaefer, N. Schmitz, Janet Elizabeth Seger, R. Seto, P. Seyboth, N. Shah, E. Shahaliev, P. V. Shanmuganathan, T. Shao, M. Sharma, Rishabh Sharma, Sharang Rav Sharma, Ashik Ikbal Sheikh, D. Shen, D. Y. Shen, K. Shen, S. S. Shi, Y. Shi, Shilpa, E. Shulga, F. Si, Jyotsna Singh, Subhash 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, Andrew Tamis, Aihong Tang, Z. Tang, A. Taranenko, Terence Tarnowsky, J. H. Thomas, A. Timofeev, D. Tlusty, M. V. Tokarev, Daniel Torres-Valladares, S. Trentalange, O. D. Tsai, C. Y. Tsang, Zhoudunming Tu, J. E. Tyler, T. Ullrich, D. G. Underwood, G. Van Buren, A N Vasiliev, F. Videbæk, S. Vokal, S. A. Voloshin, F. Wang, Gang Wang, G Wang, J. Wang, Yi-Xiang Wang, K. Wang, Xiaofeng Wang, Yaping Wang, Yan Wang, Yi Wang, Z. Wang, Zi Wang, J. C. Webb, P. C. Weidenkaff, G. D. Westfall, H. Wieman, G. Wilks, S. W. Wissink, C. P. Wong, Junlin Wu, Xin Wu, XC Wu, Xiatong Wu, B. Xi, Y. L. Xiao, Zhigang Xiao, G. Xie, W. Xie, H. Xu, Nu Xu, Qinghua Xu, X. Xu, Yan Xu, Y. Xu, Zhiwan Xu, N. Xu, G. Yan, Z. Yan, C. Yang, Qian Yang, S. Yang, Yi Yang, Z. Ye, Zaochen Ye, L. Yi, Y. Yu, W. Yuan, W. Zha, C. Zhang, D. Zhang, Jinlong Zhang, K. Zhang, L H Zhang, Shenghui Zhang, W. Zhang, Weibin Zhang, Xi Zhang, Yapeng Zhang, Yifei Zhang, Y H Zhang, Yu Zhang, Z. Zhang, Z. Zhang, F. Zhao, J. Zhao, S. Zhou, Y Zhou, C. Zhu, X. Zhu, M. Źurek, M. Zyzak
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70Institutions déclarées
15Pays d’affiliation déclarés
Résumé fourni par la source
We report a new measurement of transverse single-spin asymmetries for dijet production in collisions of polarized protons at <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"> <a:msqrt> <a:mi>s</a:mi> </a:msqrt> <a:mo>=</a:mo> <a:mrow> <a:mn>200</a:mn> <a:mtext> </a:mtext> <a:mtext> </a:mtext> <a:mi>GeV</a:mi> </a:mrow> </a:math> . Correlations between the proton spin and the transverse momenta of its partons, each perpendicular to the proton momentum direction, are probed at high <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"> <c:msup> <c:mi>Q</c:mi> <c:mn>2</c:mn> </c:msup> <c:mo>≈</c:mo> <c:mn>160</c:mn> <c:mtext> </c:mtext> <c:mtext> </c:mtext> <c:msup> <c:mi>GeV</c:mi> <c:mn>2</c:mn> </c:msup> </c:math> . Evidence for nonzero Sivers effects is measured for the first time in dijets from proton-proton collisions, but only when the jets are sorted by their net charge, which enhances the otherwise canceling opposite-sign <e:math xmlns:e="http://www.w3.org/1998/Math/MathML" display="inline"> <e:mi>u</e:mi> </e:math> - or <g:math xmlns:g="http://www.w3.org/1998/Math/MathML" display="inline"> <g:mi>d</g:mi> </g:math> -quark contributions to separate data samples. The resulting asymmetries are compared to recent theoretical calculations. Separately, the associated Sivers observable <i:math xmlns:i="http://www.w3.org/1998/Math/MathML" display="inline"> <i:mo stretchy="false">⟨</i:mo> <i:msub> <i:mi>k</i:mi> <i:mi>T</i:mi> </i:msub> <i:mo stretchy="false">⟩</i:mo> </i:math> , the average parton transverse momentum, is extracted using a simple kinematics approach which further enables a determination of the individual partonic contributions to the observed asymmetries.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Measurement of transverse single-spin asymmetries for dijet production in polarized proton-proton collisions at
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline">
<mml:msqrt>
<mml:mi>s</mml:mi>
</mml:msqrt>
<mml:mo>=</mml:mo>
<mml:mn>200</mml:mn>
<mml:mtext> </mml:mtext>
<mml:mtext> </mml:mtext>
<mml:mi>GeV</mml:mi>
</mml:math>
- Date Crossref
- 22/07/2026
- Éditeur
- American Physical Society (APS)
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude et ne compte pas comme une seconde source scientifique indépendante.
Institutions déclarées
Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Sujets associés
High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesParticle Detector Development and Performance