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Diffraction and Low-x 2024

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Hotel Tonnara Trabia, Palermo, Sicily

Hotel Tonnara Trabia, Palermo, Sicily

Trabia (Palermo)
Alessandro Papa, Christophe Royon (The University of Kansas (US))
Description

"Diffraction and Low-x 2024" is a joint effort between the Diffraction and Low-x meeting workshop series. The purpose of this workshop is to stimulate discussions between experimentalists and theorists in diffractive hadronic physics, QCD dynamics at low-x, parton saturation and exciting problems in QCD at HERA, Tevatron, LHC, RHIC and the future EIC.

 

The conference venue is the Hotel Tonnara Trabia, Palermo, Sicily, from September 8, afternoon to September 14, lunch time. It is planned to be in person only.

Diffraction is a biennial workshop dedicated to theoretical and experimental progress in diffractive processes at high energies. The previous events took place in Cetraro (2000), Alushta (2002), Cala Gonone (2004), Milos (2006), La Londe-les-Maures (2008), Otranto (2010), Lanzarote (2012), Primošten (2014), Acireale (2016).

Low-x is an annual workshop whose spirit is to favour fruitful and informal discussions between experimentalists and theorists in low-x, diffractive hadronic physics and exciting problems in QCD at HERA, Tevatron and LHC. Low-x has been held since DESY (1993), then Saclay (May 1994), Cambridge (July 1995), Durham (June 1996), Madrid (June 1997), Berlin (June 1998), Tel Aviv (June 1999), Oxford (July 2000), Cracow (June 2001), Antwerpen (September 2002), Nafplio (June 2003), Prague (September 2004), Sinaia (June 2005), Lisbon (June 2006), Helsinki (September 2007), Kolimpari (Crete, July 2008), Ischia (September 2009), Kavala (June 2010), Santiago de Compostela (June 2011), Paphos (Cyprus, June 2012), Eilat (June 2013), Kyoto (June 2014), Sandomierz (September 2015), Gyöngyös (June 2016), Bisceglie (June 2017), Nicosia (August 2019), Elba (September 2021), Leros (September 2023). 

The previous joint workshops "Diffraction and Low-x" were held in Reggio Calabria (2018), and then Corigliano Calabro (2022).

The registration deadline will be June 30 (new) and the abstract submission deadline is June 15 (new).

 

 

 

The Workshop is organized and sponsored by             

We acknoledge the participation in the event of the 

Istituto Superiore "Majorana" di Palermo

Liceo Scientifico Statale 
"S. Cannizzaro" - Palermo
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Participants
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  • Monday 9 September
    • 1
      Welcome
      Speakers: Prof. ALESSANDRO PAPA (Università della Calabria & INFN-Cosenza), Christophe Royon (The University of Kansas (US))
      Opening.pdf
    • Low x, PDFs and saturation I
      • 2
        Recent results relevant for PDFs at low and high x, saturation in pp and HI collisions from CMS (187)
        Speaker: Dr Georgios Krintiras (The University of Kansas (US))
        DiffLowx 2024.pdf
      • 3
        Recent ALICE results relevant for PDFs at low and high x, saturation (191)
        Speaker: Anisa Khatun (The University of Kansas (US))
        Low_x_2024_v6.pdf
      • 4
        Small-x phenomenology in collinear factorisation (164)
        Speaker: Federico Silvetti (INFN - National Institute for Nuclear Physics)
        DiffLowx20-Silvetti.pdf
      • 5
        Recent ATLAS results relevant for PDFs at low and high x, saturation in both pp and HI collisions
        Speaker: Santu Mondal (Czech Technical University in Prague (CZ))
        Diffraction X 2024 SM.pdf
    • 10:25
      Coffee break
    • Low x, PDFs and saturation II
    • 13:00
      Lunch break
    • Low x, PDFs and saturation IV
      • 12
        Suppression of diffraction in deep-inelastic scattering on nuclei and dynamical mechanism of leading twist nuclear shadowing (195)
        Speaker: Vadim Guzey (University of Jyvaskyla)
        Guzey_LTA_diffraction.pdf
      • 13
        RG improved JIMWLK Hamiltonian: running coupling and DGLAP evolution (138)
        Speaker: Michael Lublinsky (Ben-Gurion University of the Negev (IL))
        Lublinski.pdf
      • 14
        Twist corrections to exclusive vector meson production in a saturation framework
        Speaker: Michael Fucilla
        Fucilla.pdf
      • 15
        Inclusive J/ψ production in forward proton-proton and proton-lead collisions at high energy (128)
        Speaker: Patricia Gimeno Estivill (University of Jyväskylä)
        GimenoEstivill_Diffraction_2024.pdf
      • 16
        NLO impact-factor for the forward eta_c meson production (190)
        Speaker: Dr Maxim Nefedov (IJClab, Orsay)
        Nefedov_Diffr-2024.pdf
    • 15:50
      Coffee break
    • Diffraction in pp and AA II
      • 17
        TOTEM: Pomeron and Odderon exchange at LHC energies (162)
        Speaker: Kenneth Osterberg (University of Helsinki)
        KO_Odderon_observation_Diffraction_lowx_2024 (1).pdf
      • 18
        ATLAS results on diffraction (194)
        Speaker: Rafał Staszewski (IFJ PAN Cracow (PL))
        2024.09.09_staszewski.pdf
      • 19
        Scaling of the elastic proton-proton cross-section (141)
        Speaker: Michal Praszalowicz (Jagiellonian University, Krakow)
        Low_x_2024.pdf
      • 20
        Odderon contribution in light of the LHC low-t data (101)
        Speaker: Emerson Luna
        seminar_Luna_Palermo_2024.pdf
      • 21
        Structures in single proton diffractive dissociation at the LHC (139)
        Speaker: Laszlo Jenkovszky (National Academy of Sciences of Ukraine)
        Palermo.pdf
    • 17:55
      Beach break
    • 20:10
      Dinner
  • Tuesday 10 September
    • Diffraction in pp and AA II
    • 10:40
      Coffee break
    • Diffraction in pp and AA III
      • 27
        Unexpected breakdown of collinear factorisation at leading twist in exclusive pi0-gamma photoproduction due to Glauber pinch (180)
        Speaker: Samuel Wallon
        Samuel-Wallon-factorisation-breaking.pdf
      • 28
        Forward detectors in ATLAS and physics results (195)
        Speaker: Maciej Piotr Lewicki (Polish Academy of Sciences (PL))
        palermo.pdf
      • 29
        Central Exclusive Production with the STAR detector at RHIC (158)
        Speaker: Leszek Adamczyk (AGH University of Krakow (PL))
        leszek_adamczyk_lowxDiff_last.pdf
      • 30
        Challenging exclusive top quark pair production at low and high luminosity LHC (136)
        Speaker: Daniel Ernani Martins Neto (Polish Academy of Sciences (PL))
        Daniel_Ernani_LowX_topproduction_10092024.pdf
      • 31
        Studies of low x physics and ultraperipheral collisions at LHCb (155)
        Speaker: Murilo Santana Rangel (Federal University of Rio de Janeiro (BR))
        rangel_lowx_lhcb_v2.pdf
      • 32
        Discussion
    • 13:15
      Lunch break
    • Diffraction in pp and AA IV
      • 33
        Tagging nucleons in proton-Oxygen collisions at the LHC (168)
        Speaker: Michael Pitt (The University of Kansas (US))
        OxygenLHC_forwardDet_MPitt.pdf
      • 34
        Future LHC Measurements for Cosmic Ray Induced Air Shower Modeling (99)
        Speaker: Clara Elisabeth Leitgeb (Humboldt University of Berlin (DE))
        cleitgeb_DiffractionLowX_2024.pdf
      • 35
        Computation of integral and space-time structure of luminosity at a collider (93)
        Speaker: Joachim Baechler (CERN)
        ILUMI4d_palermo_11.9.2024_up.pdf
      • 36
        Discussion
    • 15:45
      Coffee break
    • Low x, PDFs and saturation IV
      • 37
        Dipole approach to exclusive J/\psi photoproduction and the putative gluon shadowing (157)
        Speaker: Wolfgang Schaefer
        Diffraction_24_WS.pdf
      • 38
        On the Quarkonium Collinear Fragmentation in a VFNS (96)
        Speaker: Dr Francesco Giovanni Celiberto (UAH Madrid)
        talk_Diffraction_2024_Towards_NRFF10jet_Celiberto.pdf
      • 39
        Next-to-leading order photon+jet production (94)
        Speaker: Yair Mulian
        Trabia.pdf
      • 40
        Transverse Single Spin Asymmetry of Electromagnetic Jets for Inclusive and Diffractive Processes at Forward Rapidity in pp Collisions at STAR (98)
        Speaker: Xilin Liang (University of California, Riverside)
        Liang_Diffraction_and_Small_x_2024.pdf
      • 41
        Discussion
    • 17:40
      Break
    • Poster and flash talk session
    • 20:30
      Dinner
  • Wednesday 11 September
    • UPC and gamma gamma physics I
      • 53
        The SuperChic Monte Carlo Generator: New Developments (151)
        Speaker: Dr Lucian Alexander Harland-Lang (University College London)
        lhl_lowx_24.pdf
      • 54
        Review of Monte Carlo efforts for UPC collisions (133)
        Speaker: Huasheng Shao (Peking University, Beijing, China)
        Shao_Diffraction.pdf
      • 55
        Overview of the latest ALICE UPC and photonuclear results (176)
        Speaker: Simone Ragoni (Creighton University (US))
        lowx-ragoni.pdf
      • 56
        Overview of the latest ATLAS UPC+photonuclear results (177)
        Speaker: Brian Andrew Cole (Columbia University (US))
        Diffraction_Lowx_ATLAS_UPC_v6.pdf
    • 10:15
      Coffee break
    • UPC and gamma gamma physics II
    • 12:30
      Lunch
    • 13:30
      Workshop tour
    • 21:30
      Dinner
  • Thursday 12 September
    • Low x, PDFs and saturation IV
      • 62
        Connections between heavy ion collisions and DIS (106)
        Speaker: Dr Heikki Mäntysaari (University of Jyväskylä)
        Diffraction_low_x_2024 (3).pdf
      • 63
        NLO calculations for inclusive back-to-back dijet in DIS in the saturation regime (130)
        Speaker: Dr Paul Caucal (Brookhaven National Laboratory)
        caucal_lowx2024.pdf
      • 64
        Saturation within the reach of the LHC: Incoherent J/ψ production at large |t| (92)
        Speaker: Marek Matas (Czech Technical University)
        lowx_matas.key
      • 65
        Discussion
    • 10:30
      Coffee break
    • UPC and gamma gamma physics III
      • 66
        Looking for BFKL resummation and saturation at the LHC (103)
        Speaker: Christophe Royon (The University of Kansas (US))
        difflowx2024.pdf
      • 67
        Collectivity in Ultraperipheral Heavy Ion Collisions and e+A Collisions (145)
        Speaker: Bjoern Schenke (Brookhaven National Lab)
        UPC-Collectivity-Schenke.pdf
      • 68
        Collectivity probes in small systems and photoproduction studies at the LHC (149)
        Speaker: Javier Alberto Murillo Quijada (Universidad de Sonora (MX))
        jam_low_x_2024_Palermo.pdf
      • 69
        Latest UPC Results from STAR (179)
        Speaker: Wangmei Zha (University of Science and Technology of China (CN))
        Diffraction-X-Wangmei_Zha.pdf
      • 70
        Electroweak and BSM prospects with ePIC (174)
        Speaker: Michael Nycz (Kent State University)
        Nycz.pdf
      • 71
        Discussion
    • 13:05
      Lunch
    • Spin physics I
    • 16:00
      Coffee break
    • Spin physics II
      • 77
        Exclusive pi0 muoproduction at COMPASS (112)
        Speaker: Karolina Lavickova (Czech Technical University in Prague (CZ))
        Lavickova_LowX24.pdf
      • 78
        Three-dimensional hadron structure from lattice QCD (118)
        Speaker: Krzysztof Cichy
        cichy-sicily2024.pdf
      • 79
        Nonperturbative Collins-Soper Kernel from Lattice QCD (121)
        Speaker: Swagato Mukherjee
        Mukherjee CS.pdf
      • 80
        The LHCspin project (91)
        Speaker: Marco Santimaria (INFN e Laboratori Nazionali di Frascati (IT))
        santimaria_lhcspin.pdf
      • 81
        Spin physics at the EIC (116)
        Speaker: Prof. Pawel Nadel-Turonski (University of South Carolina)
        PNT_EIC_spin.pdf
      • 82
        Discussion
    • 83
      General public talk: A journey to understand the proton
      Speaker: Christophe Royon (The University of Kansas (US))
      difflowx2024_general.pdf
    • 20:00
      Dinner
  • Friday 13 September
    • Diffraction in ep and eA
    • 10:30
      Coffee break
    • Diffraction in ep and eA
    • 13:00
      Lunch
    • Hadronic final state I
      • 93
        Progress in Resummed Calculations at the LHC (135)
        Speaker: Georgios Billis
        Georgios_Billis_diffraction_and_low_x_2024.pdf
      • 94
        Top quark production in hadron colliders at NNLL accuracy (143)
        Speaker: Leszek Motyka
        tt_NNLL_lowx24.pdf
      • 95
        Multiple soft emissions in QCD hard scattering (160)
        Speaker: Dimitri Colferai (University of Florence (Italy))
        colferai.pdf
      • 96
        Bose-Einstein correlations in small collision systems at LHCb (102)
        Speaker: Marcin Kucharczyk (Polish Academy of Sciences (PL))
        LowX_2024_Kucharczyk.pdf
    • 15:40
      Coffee break
    • Hadronic final state II
      • 97
        Vector boson production in association with jets ATLAS+CMS (including HF jets (189)
        Speaker: Giovanni Padovano (Sapienza Universita e INFN, Roma I (IT))
        ATL-COM-PHYS-2024-632.pdf
      • 98
        Fragmentation of heavy quarks

        Heavy flavored mesons produced with high $p_T$ demonstrate specific features of the production mechanism, such as: (i) short time of gluon radiation by a highly virtual heavy quark; (ii) short formation time of the heavy flavored meson wave function; (iii) enhancement of the fragmentation function $D_{b/B}(z)$ at large fractional momenta $z\to 1$; (iv) short mean free path in the medium (no color transparency). In particular these features explain the observed very different $p_T$ dependences of the nuclear ratio $R_{AA}$ for $J/\psi$ produced directly and indirectly (from B-decays). Data for D-meson production are explained as well.

        Speaker: Boris Kopeliovich
        DIFF.pdf
      • 99
        Particle production in high multiplicity proton-proton collisions: a study of KS0, isolated photons, and D0 mesons (111)
        Speaker: Dr Andre Veiga Giannini
        AVGiannini_diffraction_and_lowx_2024.pdf
      • 100
        Semihard Interactions at TeV energies (119)
        Speaker: Thomas Ventura Iser (UFRGS - Universidade Federal do Rio Grande do Sul)
        Semihard Interactions at TeV energies.pdf
      • 101
        Discussion
    • 18:00
      Beach break
    • 19:00
      Bus to Palermo / Workshop dinner Palazzo Branciforte - Palermo

      Palazzo Branciforte - Palermo
  • Saturday 14 September
    • Hadronic final state III
      • 102
        Jet and jet substructure results from CMS and ATLAS (184)
        Speaker: Cristian Baldenegro Barrera (Massachusetts Inst. of Technology (US))
        PalermoWorkshop2024-1.pdf
      • 103
        Jet and jet substructure: ALICE results (170)
        Speaker: Haidar Masud Alfanda (Central China Normal University CCNU (CN))
        Diffaction_Low-x_Haidar.pdf
      • 104
        Threshold resummation for Z boson pair production (140)
        Speaker: Pulak Banerjee (INFN Cosenza)
        Present_Diffraction_lowx_2024.pdf
    • 10:20
      Coffee break
    • Hadronic final state IV
    • 108
      Next low x workshop in Croatia
      Speaker: Sanjin Benić
      lowx2025_croatia.pdf
    • 109
      Workshop conclusion
      Closing.pdf
      Closing.pptx
    • 12:40
      Lunch
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