Related papers: Double parton scattering versus jet quenching

Probing double parton scattering with leptonic final states at the LHC

We discuss the prospects of observing double parton scattering (DPS) processes with purely leptonic final states at the LHC. We first study same-sign W pair production, which is particularly suited for studying momentum and valence number…

High Energy Physics - Phenomenology · Physics 2011-10-07 Jonathan R. Gaunt , C. H. Kom , A. Kulesza , W. J. Stirling

Nuclear matter effects on $J/\psi$ production in asymmetric Cu+Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV

We report on $J/\psi$ production from asymmetric Cu+Au heavy-ion collisions at $\sqrt{s_{_{NN}}}$=200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear…

Nuclear Experiment · Physics 2015-08-31 C. Aidala , N. N. Ajitanand , Y. Akiba , R. Akimoto , J. Alexander , K. Aoki , N. Apadula , H. Asano , E. T. Atomssa , T. C. Awes , B. Azmoun , V. Babintsev , M. Bai , X. Bai , B. Bannier , K. N. Barish , S. Bathe , V. Baublis , C. Baumann , S. Baumgart , A. Bazilevsky , M. Beaumier , R. Belmont , A. Berdnikov , Y. Berdnikov , X. Bing , D. Black , D. S. Blau , J. Bok , K. Boyle , M. L. Brooks , J. Bryslawskyj , H. Buesching , V. Bumazhnov , S. Butsyk , S. Campbell , C. -H. Chen , C. Y. Chi , M. Chiu , I. J. Choi , J. B. Choi , S. Choi , P. Christiansen , T. Chujo , V. Cianciolo , B. A. Cole , N. Cronin , N. Crossette , M. Csanád , T. Csörgő , A. Datta , M. S. Daugherity , G. David , K. Dehmelt , A. Denisov , A. Deshpande , E. J. Desmond , L. Ding , J. H. Do , O. Drapier , A. Drees , K. A. Drees , J. M. Durham , A. Durum , L. D'Orazio , T. Engelmore , A. Enokizono , S. Esumi , K. O. Eyser , B. Fadem , D. E. Fields , M. Finger , M. Finger, , F. Fleuret , S. L. Fokin , J. E. Frantz , A. Franz , A. D. Frawley , Y. Fukao , K. Gainey , C. Gal , P. Garg , A. Garishvili , I. Garishvili , F. Giordano , A. Glenn , X. Gong , M. Gonin , Y. Goto , R. Granier de Cassagnac , N. Grau , S. V. Greene , M. Grosse Perdekamp , Y. Gu , T. Gunji , H. Guragain , J. S. Haggerty , K. I. Hahn , H. Hamagaki , J. Hanks , K. Hashimoto , R. Hayano , X. He , T. K. Hemmick , T. Hester , J. C. Hill , R. S. Hollis , K. Homma , B. Hong , T. Hoshino , J. Huang , S. Huang , T. Ichihara , Y. Ikeda , K. Imai , Y. Imazu , M. Inaba , A. Iordanova , D. Isenhower , A. Isinhue , D. Ivanishchev , B. V. Jacak , S. J. Jeon , M. Jezghani , J. Jia , X. Jiang , B. M. Johnson , K. S. Joo , D. Jouan , D. S. Jumper , J. Kamin , S. Kanda , B. H. Kang , J. H. Kang , J. S. Kang , J. Kapustinsky , D. Kawall , A. V. Kazantsev , J. A. Key , V. Khachatryan , P. K. Khandai , A. Khanzadeev , K. M. Kijima , C. Kim , D. J. Kim , E. -J. Kim , Y. -J. Kim , Y. K. Kim , E. Kistenev , J. Klatsky , D. Kleinjan , P. Kline , T. Koblesky , M. Kofarago , B. Komkov , J. Koster , D. Kotchetkov , D. Kotov , F. Krizek , K. Kurita , M. Kurosawa , Y. Kwon , R. Lacey , Y. S. Lai , J. G. Lajoie , A. Lebedev , D. M. Lee , G. H. Lee , J. Lee , K. B. Lee , K. S. Lee , S. H. Lee , M. J. Leitch , M. Leitgab , B. Lewis , X. Li , S. H. Lim , M. X. Liu , D. Lynch , C. F. Maguire , Y. I. Makdisi , M. Makek , A. Manion , V. I. Manko , E. Mannel , T. Maruyama , M. McCumber , P. L. McGaughey , D. McGlinchey , C. McKinney , A. Meles , M. Mendoza , B. Meredith , Y. Miake , T. Mibe , A. C. Mignerey , A. Milov , D. K. Mishra , J. T. Mitchell , S. Miyasaka , S. Mizuno , A. K. Mohanty , D. P. Morrison , M. Moskowitz , T. V. Moukhanova , T. Murakami , J. Murata , T. Nagae , S. Nagamiya , J. L. Nagle , M. I. Nagy , I. Nakagawa , Y. Nakamiya , K. R. Nakamura , T. Nakamura , K. Nakano , C. Nattrass , P. K. Netrakanti , M. Nihashi , T. Niida , R. Nouicer , T. Novak , N. Novitzky , A. S. Nyanin , E. O'Brien , C. A. Ogilvie , H. Oide , K. Okada , A. Oskarsson , K. Ozawa , R. Pak , V. Pantuev , V. Papavassiliou , I. H. Park , S. Park , S. K. Park , S. F. Pate , L. Patel , J. -C. Peng , D. Perepelitsa , G. D. N. Perera , D. Yu. Peressounko , J. Perry , R. Petti , C. Pinkenburg , R. P. Pisani , M. L. Purschke , H. Qu , J. Rak , I. Ravinovich , K. F. Read , D. Reynolds , V. Riabov , Y. Riabov , E. Richardson , N. Riveli , D. Roach , S. D. Rolnick , M. Rosati , M. S. Ryu , B. Sahlmueller , N. Saito , T. Sakaguchi , H. Sako , V. Samsonov , M. Sarsour , S. Sato , S. Sawada , K. Sedgwick , J. Seele , R. Seidl , Y. Sekiguchi , A. Sen , R. Seto , P. Sett , D. Sharma , A. Shaver , I. Shein , T. -A. Shibata , K. Shigaki , M. Shimomura , K. Shoji , P. Shukla , A. Sickles , C. L. Silva , D. Silvermyr , B. K. Singh , C. P. Singh , V. Singh , M. Skolnik , M. Slunečka , S. Solano , R. A. Soltz , W. E. Sondheim , S. P. Sorensen , M. Soumya , I. V. Sourikova , P. W. Stankus , P. Steinberg , E. Stenlund , M. Stepanov , A. Ster , S. P. Stoll , M. R. Stone , T. Sugitate , A. Sukhanov , J. Sun , A. Takahara , A. Taketani , K. Tanida , M. J. Tannenbaum , S. Tarafdar , A. Taranenko , E. Tennant , A. Timilsina , T. Todoroki , M. Tomášek , H. Torii , R. S. Towell , I. Tserruya , H. W. van Hecke , M. Vargyas , E. Vazquez-Zambrano , A. Veicht , J. Velkovska , R. Vértesi , M. Virius , V. Vrba , E. Vznuzdaev , X. R. Wang , D. Watanabe , K. Watanabe , Y. Watanabe , Y. S. Watanabe , F. Wei , S. Whitaker , S. Wolin , C. L. Woody , M. Wysocki , Y. L. Yamaguchi , A. Yanovich , S. Yokkaichi , I. Yoon , Z. You , I. Younus , I. E. Yushmanov , W. A. Zajc , A. Zelenski , S. Zhou

Explaining jet quenching with perturbative QCD alone

We present a new formulation of jet quenching in perturbative QCD beyond the eikonal approximation. Multiple scattering in the medium is modelled through infra-red-continued (2 -> 2) scattering matrix elements in QCD and the parton shower…

High Energy Physics - Phenomenology · Physics 2012-04-03 Korinna C. Zapp , Frank Krauss , Urs A. Wiedemann

Observation of triple J/$\psi$ meson production in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Protons consist of three valence quarks, two up-quarks and one down-quark, held together by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to as partons. In a proton-proton collision, typically only…

High Energy Physics - Experiment · Physics 2023-03-31 CMS Collaboration

Energy dependence of $J/\psi$ production in Au+Au collisions at $\sqrt{s_{NN}} =$ 39, 62.4 and 200 GeV

The inclusive $J/\psi$ transverse momentum ($p_{T}$) spectra and nuclear modification factors are reported at midrapidity ($|y|<1.0$) in Au+Au collisions at $\sqrt{s_{NN}}=$ 39, 62.4 and 200 GeV taken by the STAR experiment. A suppression…

High Energy Physics - Experiment · Physics 2017-06-07 L. Adamczyk , J. K. Adkins , G. Agakishiev , M. M. Aggarwal , Z. Ahammed , I. Alekseev , A. Aparin , D. Arkhipkin , E. C. Aschenauer , M. U. Ashraf , A. Attri , G. S. Averichev , X. Bai , V. Bairathi , R. Bellwied , A. Bhasin , A. K. Bhati , P. Bhattarai , J. Bielcik , J. Bielcikova , L. C. Bland , I. G. Bordyuzhin , J. Bouchet , J. D. Brandenburg , A. V. Brandin , I. Bunzarov , J. Butterworth , H. Caines , M. Calderón de la Barca Sánchez , J. M. Campbell , D. Cebra , I. Chakaberia , P. Chaloupka , Z. Chang , A. Chatterjee , S. Chattopadhyay , X. Chen , J. H. Chen , J. Cheng , M. Cherney , W. Christie , G. Contin , H. J. Crawford , S. Das , L. C. De Silva , R. R. Debbe , T. G. Dedovich , J. Deng , A. A. Derevschikov , B. di Ruzza , L. Didenko , C. Dilks , X. Dong , J. L. Drachenberg , J. E. Draper , C. M. Du , L. E. Dunkelberger , J. C. Dunlop , L. G. Efimov , J. Engelage , G. Eppley , R. Esha , O. Evdokimov , O. Eyser , R. Fatemi , S. Fazio , P. Federic , J. Fedorisin , Z. Feng , P. Filip , Y. Fisyak , C. E. Flores , L. Fulek , C. A. Gagliardi , D. Garand , F. Geurts , A. Gibson , M. Girard , L. Greiner , D. Grosnick , D. S. Gunarathne , Y. Guo , S. Gupta , A. Gupta , W. Guryn , A. I. Hamad , A. Hamed , R. Haque , J. W. Harris , L. He , S. Heppelmann , S. Heppelmann , A. Hirsch , G. W. Hoffmann , S. Horvat , T. Huang , B. Huang , X. Huang , H. Z. Huang , P. Huck , T. J. Humanic , G. Igo , W. W. Jacobs , H. Jang , A. Jentsch , J. Jia , K. Jiang , E. G. Judd , S. Kabana , D. Kalinkin , K. Kang , K. Kauder , H. W. Ke , D. Keane , A. Kechechyan , Z. H. Khan , D. P. Kikoła , I. Kisel , A. Kisiel , L. Kochenda , D. D. Koetke , L. K. Kosarzewski , A. F. Kraishan , P. Kravtsov , K. Krueger , L. Kumar , M. A. C. Lamont , J. M. Landgraf , K. D. Landry , J. Lauret , A. Lebedev , R. Lednicky , J. H. Lee , X. Li , Y. Li , C. Li , W. Li , X. Li , T. Lin , M. A. Lisa , F. Liu , T. Ljubicic , W. J. Llope , M. Lomnitz , R. S. Longacre , X. Luo , S. Luo , G. L. Ma , L. Ma , Y. G. Ma , R. Ma , N. Magdy , R. Majka , A. Manion , S. Margetis , C. Markert , H. S. Matis , D. McDonald , S. McKinzie , K. Meehan , J. C. Mei , Z. W. Miller , N. G. Minaev , S. Mioduszewski , D. Mishra , B. Mohanty , M. M. Mondal , D. A. Morozov , M. K. Mustafa , B. K. Nandi , Md. Nasim , T. K. Nayak , G. Nigmatkulov , T. Niida , L. V. Nogach , S. Y. Noh , J. Novak , S. B. Nurushev , G. Odyniec , A. Ogawa , K. Oh , V. A. Okorokov , D. Olvitt , B. S. Page , R. Pak , Y. X. Pan , Y. Pandit , Y. Panebratsev , B. Pawlik , H. Pei , C. Perkins , P. Pile , J. Pluta , K. Poniatowska , J. Porter , M. Posik , A. M. Poskanzer , N. K. Pruthi , M. Przybycien , J. Putschke , H. Qiu , A. Quintero , S. Ramachandran , R. L. Ray , R. Reed , H. G. Ritter , J. B. Roberts , O. V. Rogachevskiy , J. L. Romero , L. Ruan , J. Rusnak , O. Rusnakova , N. R. Sahoo , P. K. Sahu , I. Sakrejda , S. Salur , J. Sandweiss , A. Sarkar , J. Schambach , R. P. Scharenberg , A. M. Schmah , W. B. Schmidke , N. Schmitz , J. Seger , P. Seyboth , N. Shah , E. Shahaliev , P. V. Shanmuganathan , M. Shao , A. Sharma , B. Sharma , M. K. Sharma , W. Q. Shen , Z. Shi , S. S. Shi , Q. Y. Shou , E. P. Sichtermann , R. Sikora , M. Simko , S. Singha , M. J. Skoby , D. Smirnov , N. Smirnov , W. Solyst , L. Song , P. Sorensen , H. M. Spinka , B. Srivastava , T. D. S. Stanislaus , M. Stepanov , R. Stock , M. Strikhanov , B. Stringfellow , M. Sumbera , B. Summa , Y. Sun , Z. Sun , X. M. Sun , B. Surrow , D. N. Svirida , Z. Tang , A. H. Tang , T. Tarnowsky , A. Tawfik , J. Thäder , J. H. Thomas , A. R. Timmins , D. Tlusty , T. Todoroki , M. Tokarev , S. Trentalange , R. E. Tribble , P. Tribedy , S. K. Tripathy , O. D. Tsai , T. Ullrich , D. G. Underwood , I. Upsal , G. Van Buren , G. van Nieuwenhuizen , M. Vandenbroucke , R. Varma , A. N. Vasiliev , R. Vertesi , F. Videbæk , S. Vokal , S. A. Voloshin , A. Vossen , H. Wang , F. Wang , Y. Wang , J. S. Wang , G. Wang , Y. Wang , J. C. Webb , G. Webb , L. Wen , G. D. Westfall , H. Wieman , S. W. Wissink , R. Witt , Y. Wu , Z. G. Xiao , W. Xie , G. Xie , K. Xin , N. Xu , Q. H. Xu , Z. Xu , J. Xu , H. Xu , Y. F. Xu , S. Yang , Y. Yang , C. Yang , Y. Yang , Y. Yang , Q. Yang , Z. Ye , Z. Ye , L. Yi , K. Yip , I. -K. Yoo , N. Yu , H. Zbroszczyk , W. Zha , Z. Zhang , J. B. Zhang , S. Zhang , S. Zhang , X. P. Zhang , Y. Zhang , J. Zhang , J. Zhang , J. Zhao , C. Zhong , L. Zhou , X. Zhu , Y. Zoulkarneeva , M. Zyzak

Multiple Parton Scattering in Nuclei: Beyond Helicity Amplitude Approximation

Multiple parton scattering and induced parton energy loss in deeply inelastic scattering (DIS) off heavy nuclei is studied within the framework of generalized factorization in perturbative QCD with a complete calculation beyond the helicity…

High Energy Physics - Phenomenology · Physics 2014-11-17 Ben-Wei Zhang , Xin-Nian Wang

Inelastic $J/\Psi$ Photoproduction off Nuclei: Gluon Enhancement or Double Color Exchange?

The nuclear enhancement observed in inelastic photoproduction of $J/\Psi$ should not be interpreted as evidence for an increased gluon density in nuclei. The nuclear suppression of the production rate due to initial and final state…

Nuclear Theory · Physics 2009-10-30 J. Huefner , B. Z. Kopeliovich , Al. B. Zamolodchikov

Double-parton scattering effects in $D^{0}B^{+}$ and $B^{+}B^{+}$ meson-meson pair production in proton-proton collisions at the LHC

We extend our previous studies of double-parton scattering (DPS) to simultaneous production of $c \bar c$ and $b \bar b$ and production of two pairs of $b \bar b$. The calculation is performed within factorized ansatz. Each parton…

High Energy Physics - Phenomenology · Physics 2018-05-23 Rafal Maciula , Antoni Szczurek

Jet Fragmentation in Medium and Vacuum with the PHENIX Detector

One of the most active areas of investigation in relativistic heavy-ion collisions is the study of the jet quenching phenomenon whereby hard partons lose their energy as they traverse the hot, dense matter created in such collisions. Strong…

Nuclear Experiment · Physics 2019-08-14 Matthew Nguyen

The Physics probed by the P_T Dependence of the Nuclear Suppression Factor

The nuclear suppression factor R_AA of single inclusive hadrons measured in ultrarelativistic heavy-ion collisions was the first observable to study jet quenching, i.e. the final state interaction of hard parton showers with the surrounding…

High Energy Physics - Phenomenology · Physics 2013-08-09 Thorsten Renk

$J/\psi$ production as a probe of charge symmetry violations and nuclear corrections in parton distributions

We investigate the sensitivity of $J/\Psi$ production in proton-neutron and proton-deuteron collisions to charge symmetry violations in the parton distributions as well as to nuclear corrections. It is found that the effects of charge…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Piller , A. W. Thomas

J/$\psi$ and $\psi$(2S) Production in Small Systems with PHENIX

The suppression of the $\psi$(2S) nuclear modification factor has been seen as a trademark signature of final state effects in large collision systems for decades. In small systems, deviations of the nuclear modification from unity had been…

Nuclear Experiment · Physics 2024-07-04 Krista Smith

"Jets" and their distortion in heavy-ion collisions

After a discussion on the meaning of "jets" in the context of nucleus-nucleus collisions, the distortions of the profile of a parton shower induced by the presence of a medium is investigated in a QCD-inspired model that implements the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Nicolas Borghini

Observation and measurements of the production of prompt and non-prompt $J/\psi$ mesons in association with a $Z$ boson in $pp$ collisions at $\sqrt{s}= 8$ TeV with the ATLAS detector

The production of a $Z$ boson in association with a $J/\psi$ meson in proton-proton collisions probes the production mechanisms of quarkonium and heavy flavour in association with vector bosons, and allows studies of multiple parton…

High Energy Physics - Experiment · Physics 2015-06-02 ATLAS Collaboration

Effect of Jet Quenching on High-$p_T$ Hadron Spectra in High-energy Nuclear Collisions

Since large $p_T$ particles in high-energy hadronic or nuclear collisions come from jet fragmentation, jet quenching due to parton energy loss in dense matter will cause the suppression of large $p_T$ hadron spectra in high-energy heavy-ion…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xin-Nian Wang

Nuclear modification factor for gluon jets

It is shown that the nuclear modification factor can be smaller that unity for jet production at small $x$ and at large transverse momentum without any violation of the factorization theorem and the initial state effects is able to explain…

High Energy Physics - Phenomenology · Physics 2015-06-04 Eugene Levin

Four-jet production in kt-factorization: single and double parton scattering

We present a preliminary study of both Single and Double Parton Scattering contributions to the inclusive 4-jet production in the kt-factorization framework at Leading Order and $E_{CM} = 7$ TeV. We compare our results to collinear results…

High Energy Physics - Phenomenology · Physics 2016-08-24 Mirko Serino

Double Parton Scattering of Weak Gauge Boson Productions at the 13 TeV and 100 TeV Proton-Proton Colliders

We study double parton scattering (DPS) processes involving electroweak gauge bosons at the 13 TeV and 100 TeV proton-proton colliders. Specifically, we focus on three DPS channels: $W$-boson plus two jets ($W\otimes jj$), $Z$-boson plus…

High Energy Physics - Phenomenology · Physics 2018-02-28 Qing-Hong Cao , Yandong Liu , Ke-Pan Xie , Bin Yan

Deciphering the $z_g$ distribution in ultrarelativistic heavy ion collisions

Within perturbative QCD, we develop a new picture for the parton shower generated by a jet propagating through a dense quark-gluon plasma. This picture combines in a simple, factorised, way multiple medium-induced parton branchings and…

High Energy Physics - Phenomenology · Physics 2020-01-08 Paul Caucal , Edmond Iancu , Gregory Soyez

Jet charge modification in dense QCD matter

Jet production and jet substructure modification in heavy-ion collisions have played an essential role in revealing the in-medium evolution of parton showers and the determination of the properties of strongly-interacting matter under…

High Energy Physics - Phenomenology · Physics 2020-04-29 Hai Tao Li , Ivan Vitev