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Measurement of groomed jet substructure observables in p+p collisions at √s = 200 GeV with STAR

Jaroslav Adam, Leszek Adamczyk, Joseph R. Adams, J. Kevin Adkins, Geydar Agakishiev, Madan Mohan Aggarwal, Zubayer Ahammed, Igor G. Alekseev, Derek M. Anderson, Alexey Aparin, Elke Caroline Aschenauer, Muhammad Usman Ashraf, Fareha Atetalla, Anjali Attri, Georgy S. Averichev, Vipul Bairathi, Kenneth Barish, Arabinda Behera, Rene Bellwied, Anju Bhasin, Jaroslav Bielčík, Jana Bielčíková, Leslie C. Bland, Igor G. Bordyuzhin, James D. Brandenburg, Andrei V. Brandin, Joseph Butterworth, Helen Louise Caines, Manuel Calderón de la Barca Sánchez, Daniel A. Cebra, Irakli Chakaberia, Petr Chaloupka, B.K. Chan, F.-H. Chang, Z. Chang, N. Chankova-Bunzarova, A. Chatterjee, D. Chen, J.H. Chen, X. Chen, Z. Chen, J. Cheng, Michael Gerard Cherney, M. Chevalier, Subikash Choudhury, William Christie, X. Chu, Henry J. Crawford, Máté Csanád, M. Daugherity, Tatiana G. Dedovič, Ingo Martin Deppner, Anatoly A. Derevschikov, Lidia Didenko, X. Dong, James Lucus Drachenberg, James C. Dunlop, Terrence Edmonds, Nicholas Elsey, Jon M. Engelage, Geary Wareham Eppley, Roli Esha, ShinIchi Esumi, Olga Y. Evdokimov, A. Ewigleben, Kjeld Oleg Eyser, Renee H. Fatemi, Salvatore Fazio, Pavol Federič, Jan Fedorišin, C.J. Feng, Y. Feng, Peter Filip, Evan Finch, Yuri V. Fisyak, Audrey Francisco, Łukasz Fulek, Carl A. Gagliardi, Tetyana Galatyuk, Frank Geurts, Adam Gibson, Krishan Gopal, David P. Grosnick, Włodzimierz Guryn, Ayman Hamad, Ahmed M. Hamed, Szymon Harabasz, John W. Harris, S. He, W. He, X.H. He, Steven Francis Heppelmann, Steven Francis Heppelmann, Norbert Herrmann, E. Hoffman, Lukáš Holub, Y. Hong, S. Horvat, Y. Hu, H.Z. Huang, Shengli Huang, T. Huang, X. Huang, Thomas J. Humanic, P. Huo, George J. Igo, D. Isenhower, William W. Jacobs, Chitrasen Jena, Alexander Jentsch, Y. Ji, J. Jia, K. Jiang, S. Jowzaee, X. Ju, Eleanor G. Judd, Sonia Kabana, M.L. Kabir, Skipper Kagamaster, Dmitry Kalinkin, K. Kang, David Kapukchyan, Kolja Kauder, Hongwei Ke, Declan Keane, Armen Kechechyan, Matthew Kelsey, Yevheniia V. Khyzhniak, Daniel P. Kikoła, C. Kim, B. Kimelman, D. Kincses, Todd Adler Kinghorn, Ivan Kisel, A. Kiselev, Michal Kocan, L. M. Kočenda, Leszek Krzysztof Kosarzewski, Lukáš Kramárik, Peter Kravtsov, Keith William Krueger, Nalinda Kulathunga Mudiyanselage, Lokesh Kumar, Raghav Kunnawalkam Elayavalli, Joseph H. Kwasizur, Roy Alphanso Lacey, S. Lan, Jeffery M. Landgraf, Jerome Lauret, Alexei Lebedev, Richard Lednicky, J.H. Lee, Y.H. Leung, C. Li, W. Li, W. Li, Xiaomei Li, Y. Li, Y. Liang, Robert Licenik, T. Lin, Y. Lin, Michael A. Lisa, F. Liu, H. Liu, P. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph Llope, Ronald S. Longacre, N.S. Lukow, S. Luo, X. Luo, G.L. Ma, L. Ma, R. Ma, Yu-Gang Ma, Niseem Magdy Abdelwahab Abdelrahman, Richard Daniel Majka, Dukhishyam Mallick, Spyridon Margetis, Christina Markert, Howard S. Matis, Joel Anthony Mazer, Nikolai G. Minaev, Saskia Mioduszewski, Bedangadas Mohanty, Mriganka Mouli Mondal, Isaac A. Mooney, Zuzana Moravcova, Dmitry A. Morozov, M. Nagy, J.D. Nam, Md. Nasim, Kishora Nayak, D. Neff, John M. Nelson, Daniel B. Nemes, Maowu Nie, Grigory A. Nigmatkulov, Takafumi Niida, Larisa V. Nogach, Toshihiro Nonaka, A.S. Nunes, Grazyna Janina Odyniec, Akio Ogawa, S. Oh, Vitaly A. Okorokov, Brian S. Page, Robert Pak, A. Pandav, Yuri Panebratsev, Bogdan Pawlik, Diana Pawłowska, Hua Pei, Chris Perkins, Lawrence Pinsky, Roland Laszlo Pintér, Jan Marian Pluta, Jeffrey Brent Porter, Matthew Posik, Navneet Kumar Pruthi, Mariusz Przybycien, Jörn H. Putschke, H. Qiu, Amilkar Quintero, Sooraj Krishnan Radhakrishnan, Suvarna Ramachandran, Robert L. Ray, Rosi Jan Reed, Hans Georg Ritter, Jabus B. Roberts, Oleg V. Rogačevskij, Juan L. Romero, Lijuan Ruan, Jan Rusnak, Nihar Ranjan Sahoo, H. Sako, Sevil Salur, Jack H. Sandweiss, S. Sato, William B. Schmidke, Norbert Schmitz, Benjamin R. Schweid, Florian Seck, Janet Elizabeth Seger, Maria Sergeeva, Richard Seto, Peter Seyboth, N. Shah, Ehtiram Shahaliev, Prashanth V. Shanmuganathan, M. Shao, F. Shen, W.Q. Shen, S.S. Shi, Q.Y. Shou, Ernst P. Sichtermann, Rafał Sikora, Miroslav Šimko, Jagbir Singh, Subhash Singha, Nikolai Smirnov, William Solyst, Paul Richard Sorensen, Harold. M. Spinka, Brijesh Kumar Srivastava, T. D. Shirvel Stanislaus, Maria Stefaniak, David J. Stewart, Michail Nikolaevič Strichanov, Blair Stringfellow, Alexandre Alarcon do Passo Suaide, Michal Šumbera, Branden Summa, X.M. Sun, X. Sun, Y. Sun, Y. Sun, Bernd Surrow, Dmitry N. Svirida, Paweł Szymański, Aihong Tang, Zebo Tang, Arkadiy Taranenko, Terence J. Tarnowsky, James H. Thomas, Anthony Robert Timmins, David Tlusty, Mikhail V. Tokarev, Catherine A. Tomkiel, Stephen Trentalange, Robert E. Tribble, Prithwish Tribedy, Srikanta Kumar Tripathy, Oleg D. Tsai, Z. Tu, Thomas Ullrich, David G. Underwood, Isaac Upsal, Gene Van Buren, Jan Vanek, Alexander Nikolaevich Vasiliev, Iouri Vassiliev, Flemming Videbæk, Stanislav Vokal, Sergei Voloshin, F. Wang, G. Wang, J.S. Wang, P. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. Webb, P.C. Weidenkaff, L. Wen, Gary D. Westfall, Howard Wieman, Scott W. Wissink, Richard Witt, Y. Wu, Z.G. Xiao, G. Xie, W. Xie, H. Xu, N. Xu, Q.H. Xu, Y.F. Xu, Y. Xu, Z. Xu, Z. Xu, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Hanna Paulina Zbroszczyk, W. Zha, C. Zhang, D. Zhang, S. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Y. Zhang, Z.J. Zhang, Zuman Zhang, Zuman Zhang, J. Zhao, C. Zhong, C. Zhou, X. Zhu, Z. Zhu, Marian Zurek, Maksym Zyzak

  • In this letter, measurements of the shared momentum fraction (zg) and the groomed jet radius (Rg), as defined in the SoftDrop algorithm, are reported in p+p collisions at √s = 200 GeV collected by the STAR experiment. These substructure observables are differentially measured for jets of varying resolution parameters from R = 0.2 − 0.6 in the transverse momentum range 15 < pT,jet < 60 GeV/c. These studies show that, in the pT,jet range accessible at √s = 200 GeV and with increasing jet resolution parameter and jet transverse momentum, the zg distribution asymptotically converges to the DGLAP splitting kernel for a quark radiating a gluon. The groomed jet radius measurements reflect a momentum-dependent narrowing of the jet structure for jets of a given resolution parameter, i.e., the larger the pT,jet, the narrower the first splitting. For the first time, these fully corrected measurements are compared to Monte Carlo generators with leading order QCD matrix elements and leading log in the parton shower, and to state-of-the-art theoretical calculations at next-to-leading-log accuracy. We observe that PYTHIA 6 with parameters tuned to reproduce RHIC measurements is able to quantitatively describe data, whereas PYTHIA 8 and HERWIG 7, tuned to reproduce LHC data, are unable to provide a simultaneous description of both zg and Rg, resulting in opportunities for fine parameter tuning of these models for p+p collisions at RHIC energies. We also find that the theoretical calculations without non-perturbative corrections are able to qualitatively describe the trend in data for jets of large resolution parameters at high pT,jet, but fail at small jet resolution parameters and low jet transverse momenta.

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Author:Jaroslav AdamORCiDGND, Leszek AdamczykORCiDGND, Joseph R. AdamsORCiD, J. Kevin Adkins, Geydar AgakishievGND, Madan Mohan AggarwalGND, Zubayer AhammedORCiD, Igor G. AlekseevORCiD, Derek M. AndersonORCiD, Alexey AparinORCiD, Elke Caroline AschenauerORCiD, Muhammad Usman AshrafORCiD, Fareha Atetalla, Anjali Attri, Georgy S. AverichevGND, Vipul BairathiORCiD, Kenneth BarishORCiD, Arabinda BeheraORCiD, Rene BellwiedORCiDGND, Anju BhasinORCiD, Jaroslav BielčíkORCiDGND, Jana BielčíkováORCiDGND, Leslie C. BlandORCiD, Igor G. Bordyuzhin, James D. BrandenburgORCiD, Andrei V. Brandin, Joseph Butterworth, Helen Louise CainesORCiD, Manuel Calderón de la Barca SánchezORCiD, Daniel A. CebraORCiD, Irakli ChakaberiaORCiD, Petr ChaloupkaORCiD, B.K. Chan, F.-H. Chang, Z. Chang, N. Chankova-Bunzarova, A. Chatterjee, D. Chen, J.H. Chen, X. Chen, Z. Chen, J. Cheng, Michael Gerard Cherney, M. Chevalier, Subikash ChoudhuryORCiD, William ChristieORCiD, X. Chu, Henry J. CrawfordORCiD, Máté CsanádORCiD, M. Daugherity, Tatiana G. DedovičGND, Ingo Martin DeppnerORCiDGND, Anatoly A. Derevschikov, Lidia Didenko, X. Dong, James Lucus DrachenbergORCiD, James C. DunlopORCiD, Terrence Edmonds, Nicholas Elsey, Jon M. Engelage, Geary Wareham Eppley, Roli EshaORCiD, ShinIchi EsumiORCiDGND, Olga Y. EvdokimovORCiD, A. Ewigleben, Kjeld Oleg EyserORCiD, Renee H. FatemiORCiD, Salvatore FazioORCiD, Pavol FederičORCiD, Jan FedorišinGND, C.J. Feng, Y. Feng, Peter FilipORCiD, Evan FinchORCiD, Yuri V. FisyakORCiD, Audrey FranciscoORCiD, Łukasz FulekORCiD, Carl A. Gagliardi, Tetyana GalatyukORCiDGND, Frank GeurtsORCiD, Adam GibsonORCiD, Krishan GopalORCiD, David P. Grosnick, Włodzimierz Guryn, Ayman HamadORCiD, Ahmed M. HamedORCiD, Szymon HarabaszORCiD, John W. HarrisORCiDGND, S. He, W. He, X.H. He, Steven Francis Heppelmann, Steven Francis Heppelmann, Norbert HerrmannGND, E. Hoffman, Lukáš HolubORCiD, Y. Hong, S. Horvat, Y. Hu, H.Z. Huang, Shengli Huang, T. Huang, X. Huang, Thomas J. HumanicORCiD, P. Huo, George J. Igo, D. Isenhower, William W. JacobsORCiD, Chitrasen JenaORCiD, Alexander JentschORCiD, Y. Ji, J. Jia, K. Jiang, S. Jowzaee, X. Ju, Eleanor G. JuddORCiD, Sonia KabanaORCiD, M.L. Kabir, Skipper KagamasterORCiD, Dmitry Kalinkin, K. Kang, David KapukchyanORCiD, Kolja KauderORCiD, Hongwei KeORCiD, Declan KeaneORCiD, Armen Kechechyan, Matthew KelseyORCiD, Yevheniia V. KhyzhniakORCiD, Daniel P. KikołaORCiD, C. Kim, B. Kimelman, D. Kincses, Todd Adler Kinghorn, Ivan KiselORCiDGND, A. Kiselev, Michal KocanORCiD, L. M. KočendaGND, Leszek Krzysztof KosarzewskiORCiD, Lukáš Kramárik, Peter KravtsovORCiD, Keith William Krueger, Nalinda Kulathunga MudiyanselageORCiD, Lokesh KumarORCiD, Raghav Kunnawalkam ElayavalliORCiD, Joseph H. Kwasizur, Roy Alphanso LaceyORCiD, S. Lan, Jeffery M. Landgraf, Jerome LauretORCiD, Alexei Lebedev, Richard LednickyORCiD, J.H. Lee, Y.H. Leung, C. Li, W. Li, W. Li, Xiaomei Li, Y. Li, Y. Liang, Robert LicenikORCiD, T. Lin, Y. Lin, Michael A. LisaORCiDGND, F. Liu, H. Liu, P. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph LlopeORCiD, Ronald S. Longacre, N.S. Lukow, S. Luo, X. Luo, G.L. Ma, L. Ma, R. Ma, Yu-Gang MaORCiD, Niseem Magdy Abdelwahab AbdelrahmanORCiD, Richard Daniel MajkaORCiD, Dukhishyam MallickORCiD, Spyridon Margetis, Christina MarkertORCiDGND, Howard S. MatisORCiD, Joel Anthony Mazer, Nikolai G. Minaev, Saskia MioduszewskiORCiD, Bedangadas MohantyORCiD, Mriganka Mouli MondalORCiD, Isaac A. MooneyORCiD, Zuzana MoravcovaORCiD, Dmitry A. Morozov, M. Nagy, J.D. Nam, Md. Nasim, Kishora NayakORCiD, D. Neff, John M. Nelson, Daniel B. Nemes, Maowu NieORCiD, Grigory A. NigmatkulovORCiD, Takafumi NiidaORCiD, Larisa V. Nogach, Toshihiro NonakaORCiD, A.S. Nunes, Grazyna Janina Odyniec, Akio Ogawa, S. Oh, Vitaly A. OkorokovORCiD, Brian S. PageORCiD, Robert Pak, A. Pandav, Yuri Panebratsev, Bogdan PawlikORCiD, Diana PawłowskaORCiD, Hua PeiORCiD, Chris Perkins, Lawrence PinskyORCiD, Roland Laszlo Pintér, Jan Marian Pluta, Jeffrey Brent Porter, Matthew Posik, Navneet Kumar PruthiORCiD, Mariusz PrzybycienORCiD, Jörn H. PutschkeGND, H. Qiu, Amilkar Quintero, Sooraj Krishnan Radhakrishnan, Suvarna RamachandranORCiD, Robert L. RayORCiD, Rosi Jan ReedORCiD, Hans Georg Ritter, Jabus B. Roberts, Oleg V. RogačevskijGND, Juan L. Romero, Lijuan Ruan, Jan RusnakORCiD, Nihar Ranjan SahooORCiD, H. Sako, Sevil SalurORCiDGND, Jack H. Sandweiss, S. Sato, William B. Schmidke, Norbert SchmitzGND, Benjamin R. Schweid, Florian SeckORCiDGND, Janet Elizabeth SegerORCiD, Maria Sergeeva, Richard SetoORCiDGND, Peter SeybothORCiDGND, N. Shah, Ehtiram Shahaliev, Prashanth V. ShanmuganathanORCiD, M. Shao, F. Shen, W.Q. Shen, S.S. Shi, Q.Y. Shou, Ernst P. SichtermannORCiD, Rafał SikoraORCiD, Miroslav ŠimkoORCiD, Jagbir SinghORCiD, Subhash SinghaORCiD, Nikolai Smirnov, William Solyst, Paul Richard SorensenORCiD, Harold. M. SpinkaORCiD, Brijesh Kumar Srivastava, T. D. Shirvel Stanislaus, Maria StefaniakORCiD, David J. Stewart, Michail Nikolaevič StrichanovORCiDGND, Blair Stringfellow, Alexandre Alarcon do Passo SuaideORCiD, Michal ŠumberaORCiD, Branden Summa, X.M. Sun, X. Sun, Y. Sun, Y. Sun, Bernd SurrowORCiDGND, Dmitry N. SviridaORCiD, Paweł SzymańskiORCiD, Aihong TangORCiD, Zebo TangORCiD, Arkadiy TaranenkoORCiD, Terence J. Tarnowsky, James H. ThomasORCiD, Anthony Robert Timmins, David Tlusty, Mikhail V. Tokarev, Catherine A. Tomkiel, Stephen TrentalangeORCiD, Robert E. Tribble, Prithwish TribedyORCiDGND, Srikanta Kumar TripathyORCiD, Oleg D. Tsai, Z. Tu, Thomas UllrichORCiDGND, David G. UnderwoodORCiD, Isaac Upsal, Gene Van BurenORCiD, Jan VanekORCiD, Alexander Nikolaevich Vasiliev, Iouri VassilievORCiD, Flemming Videbæk, Stanislav Vokal, Sergei VoloshinORCiDGND, F. Wang, G. Wang, J.S. Wang, P. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. WebbORCiD, P.C. Weidenkaff, L. Wen, Gary D. WestfallGND, Howard Wieman, Scott W. WissinkORCiD, Richard WittORCiD, Y. Wu, Z.G. Xiao, G. Xie, W. Xie, H. Xu, N. Xu, Q.H. Xu, Y.F. Xu, Y. Xu, Z. Xu, Z. Xu, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Hanna Paulina ZbroszczykORCiD, W. Zha, C. Zhang, D. Zhang, S. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Y. Zhang, Z.J. Zhang, Zuman Zhang, Zuman Zhang, J. Zhao, C. Zhong, C. Zhou, X. Zhu, Z. Zhu, Marian Zurek, Maksym ZyzakGND
URN:urn:nbn:de:hebis:30:3-700035
DOI:https://doi.org/10.1016/j.physletb.2020.135846
ISSN:0370-2693
ISSN:1873-2445
Parent Title (English):Physics Letters B
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2020/12/10
Date of first Publication:2020/12/10
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2022/09/27
Tag:Groomed jet radius; Jet substructure; SoftDrop; Splitting function
Volume:811.2020
Issue:135846
Article Number:135846
Page Number:10
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0