相关论文: Status of the Experimental Studies on DVMP and Tra…

Centrality and pseudorapidity dependence of the transverse energy density in pPb collisions at $\sqrt{s_\mathrm{NN}} =$ 5.02 TeV

The almost hermetic coverage of the CMS detector is used to measure the distribution of transverse energy, $E_\mathrm{T}$, over 13.2 units of pseudorapidity, $\eta$, for pPb collisions at a center-of-mass energy per nucleon pair of…

高能物理 - 实验 · 物理学 2019-08-28 CMS Collaboration

What can we lean about GPDs from light meson leptoproduction experiments

On the basis of the handbag approach we study cross sections and spin asymmetries for leptoproduction of various vector and pseudoscalar mesons. Our results are in good agrement with high energy experiments. We analyse what information…

高能物理 - 唯象学 · 物理学 2011-11-24 S. V. Goloskokov

Study of exclusive one-pion and one-eta production using hadron and dielectron channels in pp reactions at kinetic beam energies of 1.25 GeV and 2.2 GeV with HADES

We present measurements of exclusive \pi^{+,0} and \eta\ production in pp reactions at 1.25 GeV and 2.2 GeV beam kinetic energy in hadron and dielectron channels. In the case of \pi^+ and \pi^0, high-statistics invariant-mass and angular…

核实验 · 物理学 2015-06-04 HADES Collaboration , G. Agakishiev , H. Alvarez-Pol , A. Balanda , R. Bassini , M. Böhmer , H. Bokemeyer , J. L. Boyard , P. Cabanelas , S. Chernenko , T. Christ , M. Destefanis , F. Dohrmann , A. Dybczak , T. Eberl , L. Fabbietti , O. Fateev , P. Finocchiaro , J. Friese , I. Fröhlich , T. Galatyuk , J. A. Garzón , R. Gernhäuser , C. Gilardi , M. Golubeva , D. González-Díaz , F. Guber , M. Gumberidze , T. Hennino , R. Holzmann , A. Ierusalimov , I. Iori , A. Ivashkin , M. Jurkovic , B. Kämpfer , K. Kanaki , T. Karavicheva , I. Koenig , W. Koenig , B. W. Kolb , R. Kotte , A. Kozuch , F. Krizek , W. Kühn , A. Kugler , A. Kurepin , S. Lang , K. Lapidus , T. Liu , L. Maier , J. Markert , V. Metag , B. Michalska , E. Morinière , J. Mousa , M. Münch , C. Müntz , L. Naumann , J. Otwinowski , Y. C. Pachmayer , V. Pechenov , O. Pechenova , T. Pérez Cavalcanti , J. Pietraszko , V. Pospísil , W. Przygoda , B. Ramstein , A. Reshetin , M. Roy-Stephan , A. Rustamov , A. Sadovsky , B. Sailer , P. Salabura , M. Sánchez , A. Schmah , E. Schwab , Yu. G. Sobolev , S. Spataro , B. Spruck , H. Ströbele , J. Stroth , C. Sturm , A. Tarantola , K. Teilab , P. Tlusty , A. Toia , M. Traxler , R. Trebacz , H. Tsertos , V. Wagner , M. Wisniowski , T. Wojcik , J. Wüstenfeld , S. Yurevich , Y. Zanevsky , P. Zumbruch

Inclusive Charged Hadron Production in Two-Photon Collisions at LEP

Inclusive charged hadron production, e+e- -> e+e- h+- X, is studied using 414 pb-1 of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Single particle inclusive differential cross sections are…

高能物理 - 实验 · 物理学 2012-08-27 L3 Collaboration

Possible studies on generalized parton distributions and gravitational form factors in neutrino reactions

Spacelike and timelike generalized parton distributions (GPDs) have been investigated in charged-lepton scattering and electron-positron collisions via deeply virtual Compton scattering and two-photon processes, respectively. Furthermore,…

高能物理 - 唯象学 · 物理学 2022-03-03 S. Kumano , R. Petti

Spin Density Matrix Elements in Exclusive $\omega$ Meson Muoproduction $^*$

We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive $\omega$ meson muoproduction on the proton at COMPASS using 160 GeV/$c$ polarised $ \mu ^{+}$ and $ \mu ^{-}$ beams impinging on a liquid hydrogen target.…

高能物理 - 实验 · 物理学 2023-08-14 M. G. Alexeev , G. D. Alexeev , A. Amoroso , V. Andrieux , V. Anosov , A. Antoshkin , K. Augsten , W. Augustyniak , C. D. R. Azevedo , B. Badelek , F. Balestra , M. Ball , J. Barth , R. Beck , Y. Bedfer , J. Berenguer Antequera , J. Bernhard , M. Bodlak , F. Bradamante , A. Bressan , V. E. Burtsev , W. -C. Chang , C. Chatterjee , M. Chiosso , A. G. Chumakov , S. -U. Chung , A. Cicuttin , P. M. M. Correia , M. L. Crespo , D. D'Ago , S. Dalla Torre , S. S. Dasgupta , S. Dasgupta , I. Denisenko , O. Yu. Denisov , S. V. Donskov , N. Doshita , Ch. Dreisbach , W. Duennweber , R. R. Dusaev , A. Efremov , P. D. Eversheim , P. Faccioli , M. Faessler , A. Ferrero , M. Finger , M. Finger , H. Fischer , C. Franco , J. M. Friedrich , V. Frolov , F. Gautheron , O. P. Gavrichtchouk , S. Gerassimov , J. Giarra , I. Gnesi , M. Gorzellik , A. Grasso , A. Gridin , M. Grosse Perdekamp , B. Grube , A. Guskov , D. von Harrach , R. Heitz , F. Herrmann , N. Horikawa , N. d'Hose , C. -Y. Hsieh , S. Huber , S. Ishimoto , A. Ivanov , T. Iwata , M. Jandek , T. Jary , R. Joosten , P. Joerg , E. Kabuss , F. Kaspar , A. Kerbizi , B. Ketzer , G. V. Khaustov , Yu. A. Khokhlov , Yu. Kisselev , F. Klein , J. H. Koivuniemi , V. N. Kolosov , K. Kondo Horikawa , I. Konorov , V. F. Konstantinov , A. M. Kotzinian , O. M. Kouznetsov , A. Koval , Z. Kral , F. Krinner , Y. Kulinich , F. Kunne , K. Kurek , R. P. Kurjata , A. Kveton , K. Lavickova , S. Levorato , Y. -S. Lian , J. Lichtenstadt , P. -J. Lin , R. Longo , V. E. Lyubovitskij , A. Maggiora , A. Magnon , N. Makins , N. Makke , G. K. Mallot , A. Maltsev , S. A. Mamon , B. Marianski , A. Martin , J. Marzec , J. Matousek , T. Matsuda , G. Mattson , G. V. Meshcheryakov , M. Meyer , W. Meyer , Yu. V. Mikhailov , M. Mikhasenko , E. Mitrofanov , N. Mitrofanov , Y. Miyachi , A. Moretti , A. Nagaytsev , C. Naim , D. Neyret , J. Novy , W. -D. Nowak , G. Nukazuka , A. S. Nunes , A. G. Olshevskiy , M. Ostrick , D. Panzieri , B. Parsamyan , S. Paul , H. Pekeler , J. -C. Peng , M. Pesek , D. V. Peshekhonov , M. Peskova , N. Pierre , S. Platchkov , J. Pochodzalla , V. A. Polyakov , J. Pretz , M. Quaresma , C. Quintans , C. Regali , G. Reicherz , C. Riedl , T. Rudnicki , D. I. Ryabchikov , A. Rybnikov , A. Rychter , V. D. Samoylenko , A. Sandacz , S. Sarkar , I. A. Savin , G. Sbrizzai , H. Schmieden , A. Selyunin , L. Sinha , M. Slunecka , J. Smolik , A. Srnka , D. Steffen , M. Stolarski , O. Subrt , M. Sulc , H. Suzuki , T. Szameitat , P. Sznajder , S. Tessaro , F. Tessarotto , A. Thiel , J. Tomsa , F. Tosello , A. Townsend , V. Tskhay , S. Uhl , B. I. Vasilishin , A. Vauth , B. M. Veit , J. Veloso , B. Ventura , A. Vidon , M. Virius , M. Wagner , S. Wallner , K. Zaremba , P. Zavada , M. Zavertyaev , M. Zemko , E. Zemlyanichkina , Y. Zhao , M. Ziembicki

Comparison of eta and eta' production in the pp -> pp eta(eta') reactions near threshold

The total cross section of the pp -> pp eta' reaction has been measured at two energies near threshold by detecting the final protons in a magnetic spectrometer. The values obtained are about a factor of 70 less than for the corresponding…

核实验 · 物理学 2008-11-26 F. Hibou , O. Bing , M. Boivin , P. Courtat , G. Faldt , R. Gacougnolle , Y. Le Bornec , J. M. Martin , A. Moalem , F. Plouin , A. Taleb , B. Tatischeff , C. Wilkin , N. Willis , R. Wurzinger

Cross Section Measurements of High-$p_T$ Dilepton Final-State Processes Using a Global Fitting Method

We present a new method for studying high-$p_T$ dilepton events ($e^{\pm}e^{\mp}$, $\mu^{\pm}\mu^{\mp}$, $e^{\pm}\mu^{\mp}$) and simultaneously extracting the production cross sections of $p\bar{p} \to t\bar{t}$, $p\bar{p} \to W^+W^-$, and…

高能物理 - 实验 · 物理学 2010-05-12 M. Kruse

Chiral-odd transversity GPDs from a leading twist hard amplitude

The chiral-odd transversity generalized parton distributions (GPDs) of the nucleon can be accessed experimentally through the exclusive photoproduction process gamma + N -> pi + rho + N', in the kinematics where the meson pair has a large…

高能物理 - 唯象学 · 物理学 2010-11-03 M. El Beiyad , B. Pire , M. Segond , L. Szymanowski , S. Wallon

Measurement of the Two-Jet Differential Cross Section in proton-antiproton Collisions at sqrt{s} = 1800 GeV

A measurement is presented of the two-jet differential cross section, d^3\sigma/dE_T d\eta_1 d\eta_2, at center of mass energy sqrt{s} = 1800 GeV in proton-antiproton collisions. The results are based on an integrated luminosity of 86 pb^-1…

高能物理 - 实验 · 物理学 2012-08-27 CDF Collaboration

Measurements of the electron and muon inclusive cross-sections in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

This letter presents measurements of the differential cross-sections for inclusive electron and muon production in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV, using data collected by the ATLAS detector at the…

高能物理 - 实验 · 物理学 2012-08-27 ATLAS Collaboration

Inclusive Lambda Production in Two-Photon Collisions at LEP

The reactions e^+e^- -> e^+e^- Lambda X and e^+e^- -> e^+e^- Lambda X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. Inclusive differential cross sections are measured as a…

高能物理 - 实验 · 物理学 2012-08-27 L3 Collaboration

The Recoil Proton Polarization: a new discriminative DVCS observable

Generalized parton distributions describe the correlations between the longitudinal momentum and the transverse position of quarks and gluons in a nucleon. They can be constrained by measuring photon leptoproduction observables, arising…

高能物理 - 唯象学 · 物理学 2023-01-23 Olga Bessidskaia Bylund , Maxime Defurne , Pierre A. M. Guichon

Single Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s) = 200 GeV

The invariant differential cross section for inclusive electron production in $p + p$ collisions at $\sqrt{s} = 200$~GeV has been measured by the PHENIX experiment at the Relativistic Heavy Ion Collider over the transverse momentum range…

高能物理 - 实验 · 物理学 2023-04-07 PHENIX Collaboration , S. S. ~Adler , S. ~Afanasiev , C. ~Aidala , N. N. ~Ajitanand , Y. ~Akiba , J. ~Alexander , R. ~Amirikas , L. ~Aphecetche , S. H. ~Aronson , R. ~Averbeck , T. C. ~Awes , R. ~Azmoun , V. ~Babintsev , A. ~Baldisseri , K. N. ~Barish , P. D. ~Barnes , B. ~Bassalleck , S. ~Bathe , S. ~Batsouli , V. ~Baublis , A. ~Bazilevsky , S. ~Belikov , Y. ~Berdnikov , S. ~Bhagavatula , J. G. ~Boissevain , H. ~Borel , S. ~Borenstein , M. L. ~Brooks , D. S. ~Brown , N. ~Bruner , D. ~Bucher , H. ~Buesching , V. ~Bumazhnov , G. ~Bunce , J. M. ~Burward-Hoy , S. ~Butsyk , X. ~Camard , J. -S. ~Chai , P. ~Chand , W. C. ~Chang , S. ~Chernichenko , C. Y. ~Chi , J. ~Chiba , M. ~Chiu , I. J. ~Choi , J. ~Choi , R. K. ~Choudhury , T. ~Chujo , V. ~Cianciolo , Y. ~Cobigo , B. A. ~Cole , P. ~Constantin , D. ~d'Enterria , G. ~David , H. ~Delagrange , A. ~Denisov , A. ~Deshpande , E. J. ~Desmond , A. ~Devismes , O. ~Dietzsch , O. ~Drapier , A. ~Drees , R. ~du~Rietz , A. ~Durum , D. ~Dutta , Y. V. ~Efremenko , K. ~El~Chenawi , A. ~Enokizono , H. ~En'yo , S. ~Esumi , L. ~Ewell , D. E. ~Fields , F. ~Fleuret , S. L. ~Fokin , B. D. ~Fox , Z. ~Fraenkel , J. E. ~Frantz , A. ~Franz , A. D. ~Frawley , S. -Y. ~Fung , S. ~Garpman , T. K. ~Ghosh , A. ~Glenn , G. ~Gogiberidze , M. ~Gonin , J. ~Gosset , Y. ~Goto , R. ~Granier~de~Cassagnac , N. ~Grau , S. V. ~Greene , M. ~Grosse~Perdekamp , W. ~Guryn , H. -Å. ~Gustafsson , T. ~Hachiya , J. S. ~Haggerty , H. ~Hamagaki , A. G. ~Hansen , E. P. ~Hartouni , M. ~Harvey , R. ~Hayano , N. ~Hayashi , X. ~He , M. ~Heffner , T. K. ~Hemmick , J. M. ~Heuser , M. ~Hibino , J. C. ~Hill , W. ~Holzmann , K. ~Homma , B. ~Hong , A. ~Hoover , T. ~Ichihara , V. V. ~Ikonnikov , K. ~Imai , D. ~Isenhower , M. ~Ishihara , M. ~Issah , A. ~Isupov , B. V. ~Jacak , W. Y. ~Jang , Y. ~Jeong , J. ~Jia , O. ~Jinnouchi , B. M. ~Johnson , S. C. ~Johnson , K. S. ~Joo , D. ~Jouan , S. ~Kametani , N. ~Kamihara , J. H. ~Kang , S. S. ~Kapoor , K. ~Katou , S. ~Kelly , B. ~Khachaturov , A. ~Khanzadeev , J. ~Kikuchi , D. H. ~Kim , D. J. ~Kim , D. W. ~Kim , E. ~Kim , G. -B. ~Kim , H. J. ~Kim , E. ~Kistenev , A. ~Kiyomichi , K. ~Kiyoyama , C. ~Klein-Boesing , H. ~Kobayashi , L. ~Kochenda , V. ~Kochetkov , D. ~Koehler , T. ~Kohama , M. ~Kopytine , D. ~Kotchetkov , A. ~Kozlov , P. J. ~Kroon , C. H. ~Kuberg , K. ~Kurita , Y. ~Kuroki , M. J. ~Kweon , Y. ~Kwon , G. S. ~Kyle , R. ~Lacey , V. ~Ladygin , J. G. ~Lajoie , A. ~Lebedev , S. ~Leckey , D. M. ~Lee , S. ~Lee , M. J. ~Leitch , X. H. ~Li , H. ~Lim , A. ~Litvinenko , M. X. ~Liu , Y. ~Liu , C. F. ~Maguire , Y. I. ~Makdisi , A. ~Malakhov , V. I. ~Manko , Y. ~Mao , G. ~Martinez , M. D. ~Marx , H. ~Masui , F. ~Matathias , T. ~Matsumoto , P. L. ~McGaughey , E. ~Melnikov , F. ~Messer , Y. ~Miake , J. ~Milan , T. E. ~Miller , A. ~Milov , S. ~Mioduszewski , R. E. ~Mischke , G. C. ~Mishra , J. T. ~Mitchell , A. K. ~Mohanty , D. P. ~Morrison , J. M. ~Moss , F. ~Mühlbacher , D. ~Mukhopadhyay , M. ~Muniruzzaman , J. ~Murata , S. ~Nagamiya , J. L. ~Nagle , T. ~Nakamura , B. K. ~Nandi , M. ~Nara , J. ~Newby , P. ~Nilsson , A. S. ~Nyanin , J. ~Nystrand , E. ~O'Brien , C. A. ~Ogilvie , H. ~Ohnishi , I. D. ~Ojha , K. ~Okada , M. ~Ono , V. ~Onuchin , A. ~Oskarsson , I. ~Otterlund , K. ~Oyama , K. ~Ozawa , D. ~Pal , A. P. T. ~Palounek , V. ~Pantuev , V. ~Papavassiliou , J. ~Park , A. ~Parmar , S. F. ~Pate , T. ~Peitzmann , J. -C. ~Peng , V. ~Peresedov , C. ~Pinkenburg , R. P. ~Pisani , F. ~Plasil , M. L. ~Purschke , A. K. ~Purwar , J. ~Rak , I. ~Ravinovich , K. F. ~Read , M. ~Reuter , K. ~Reygers , V. ~Riabov , Y. ~Riabov , G. ~Roche , A. ~Romana , M. ~Rosati , P. ~Rosnet , S. S. ~Ryu , M. E. ~Sadler , N. ~Saito , T. ~Sakaguchi , M. ~Sakai , S. ~Sakai , V. ~Samsonov , L. ~Sanfratello , R. ~Santo , H. D. ~Sato , S. ~Sato , S. ~Sawada , Y. ~Schutz , V. ~Semenov , R. ~Seto , M. R. ~Shaw , T. K. ~Shea , T. -A. ~Shibata , K. ~Shigaki , T. ~Shiina , C. L. ~Silva , D. ~Silvermyr , K. S. ~Sim , C. P. ~Singh , V. ~Singh , M. ~Sivertz , A. ~Soldatov , R. A. ~Soltz , W. E. ~Sondheim , S. P. ~Sorensen , I. V. ~Sourikova , F. ~Staley , P. W. ~Stankus , E. ~Stenlund , M. ~Stepanov , A. ~Ster , S. P. ~Stoll , T. ~Sugitate , J. P. ~Sullivan , E. M. ~Takagui , A. ~Taketani , M. ~Tamai , K. H. ~Tanaka , Y. ~Tanaka , K. ~Tanida , M. J. ~Tannenbaum , P. ~Tarján , J. D. ~Tepe , T. L. ~Thomas , J. ~Tojo , H. ~Torii , R. S. ~Towell , I. ~Tserruya , H. ~Tsuruoka , S. K. ~Tuli , H. ~Tydesjö , N. ~Tyurin , H. W. ~van~Hecke , J. ~Velkovska , M. ~Velkovsky , V. ~Veszprémi , L. ~Villatte , A. A. ~Vinogradov , M. A. ~Volkov , E. ~Vznuzdaev , X. R. ~Wang , Y. ~Watanabe , S. N. ~White , F. K. ~Wohn , C. L. ~Woody , W. ~Xie , Y. ~Yang , A. ~Yanovich , S. ~Yokkaichi , G. R. ~Young , I. E. ~Yushmanov , W. A. ~Zajc , C. ~Zhang , S. ~Zhou , S. J. ~Zhou , L. ~Zolin

Leading twist generalized parton distributions and spin densities in a proton

We evaluate both chirally even and odd generalized parton distributions(GPDs) in the leading twist in a recently proposed quark-diquark model for the proton where the light front wavefunctions are constructed from the soft-wall AdS/QCD…

高能物理 - 唯象学 · 物理学 2017-08-02 Tanmay Maji , Chandan Mondal , Dipankar Chakrabarti

The Generalized Parton Distributions program at Jefferson Lab

The Generalized Parton Distributions (GPD) have drawn a lot of interest from the theoretical community since 1997, but also from the experimental community and especially at Jefferson Lab. First, the results for Deeply Virtual Compton…

高能物理 - 实验 · 物理学 2017-08-23 F. Sabatie

Transversity generalized parton distributions in spin-3/2 particles

The definitions of the quark and gluon transversity generalized parton distributions (GPDs) in spin-3/2 particles are obtained in the light-cone gauge. It is found that they contain 16 independent components for each parton. Their even or…

高能物理 - 唯象学 · 物理学 2025-11-04 Dongyan Fu , Yubing Dong , S. Kumano

Light neutral-meson production in pp collisions at $\mathbf{\sqrt{s}}$ = 13 TeV

The momentum-differential invariant cross sections of ${\pi^{0}}$ and $\eta$ mesons are reported for pp collisions at $\sqrt{s}$ = 13 TeV at midrapidity ($|y|<0.8$). The measurement is performed in a broad transverse-momentum range of…

高能物理 - 实验 · 物理学 2025-11-18 ALICE Collaboration

Electroproduction of strangeness above the resonance region

A simple and elegant model, based on Reggeized t-channel exchanges is succesful in reproducing the main features of all existing data of the reactions ep->eKLambda and ep->eKSigma. In particular, the original way gauge invariance is taken…

高能物理 - 唯象学 · 物理学 2008-11-26 M. Guidal , J. -M. Laget , M. Vanderhaeghen

Polarization Observables $T$ and $F$ in the $\gamma p \to \pi^0 p$ Reaction at CLAS

Pion photoproduction in the $\overrightarrow\gamma\overrightarrow p \to \pi^0 p$ reaction has been measured in the FROST experiment at the Thomas Jefferson National Accelerator Facility. In this experiment, circularly polarized photons with…

核实验 · 物理学 2025-08-26 H. Jiang , S. Strauch , I. I. Strakovsky , D. Rönchen , R. Workman , The CLAS Collaboration