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The differential cross-sections are calculated for proton-proton and proton-antiproton elastic scattering using the phenomenological model based on the analytic parameterizations for global scattering parameters (total cross-section and…

High Energy Physics - Phenomenology · Physics 2007-11-15 V. A. Okorokov , S. B. Nurushev

The production of photons at very small angles with respect to the proton beam direction is studied in deep-inelastic positron-proton scattering at HERA. The data are taken with the H1 detector in the years 2006 and 2007 and correspond to…

High Energy Physics - Experiment · Physics 2015-05-28 H1 Collaboration

A simple application of Regge theory, with 9 free parameters, provides a good fit to elastic scattering data at small t from 13.76 GeV to 13 TeV. It yields a value for rho, the ratio of the real part of the forward amplitude to its…

High Energy Physics - Phenomenology · Physics 2019-10-16 A Donnachie , P V Landshoff

Tensor polarization observables (t20, t21 and t22) have been measured in elastic electron-deuteron scattering for six values of momentum transfer between 0.66 and 1.7 (GeV/c)^2. The experiment was performed at the Jefferson Laboratory in…

Nuclear Experiment · Physics 2014-11-18 The JLAB t20 collaboration , D. Abbott

We present the results of several parametrizations to two different ensemble of data on $pp$ total cross sections $\sigma_{tot}^{pp}$ at the highest center-of-mass energies (including cosmic-ray information). The results are statistically…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. F. Avila , E. G. S. Luna , M. J. Menon

The Bialas-Bzdak model of elastic proton-proton scattering assumes a purely imaginary forward scattering amplitude, which consequently vanishes at the diffractive minima. We extended the model to arbitrarily large real parts in a way that…

High Energy Physics - Phenomenology · Physics 2015-06-11 F. Nemes , T. Csörgő , M. Csanád

We present new accurate measurements of the differential cross section $\sigma(\theta)$ and the proton analyzing power $A_{y}$ for proton-$^{3}$He elastic scattering at various energies. A supersonic gas jet target has been employed to…

The unitarily extended Bialas-Bzdak model of elastic proton-proton scattering is applied, without modifications, to describe the differential cross-section of elastic proton-antiproton collisions in the TeV energy range, and to extrapolate…

High Energy Physics - Phenomenology · Physics 2021-07-16 T. Csorgo , I. Szanyi

The differential cross sections and analyzing powers from the elastic scattering of 25 and 40 MeV protons from many nuclei have been studied. Analyses have been made using a fully microscopic model of proton-nucleus scattering seeking to…

Nuclear Theory · Physics 2016-09-08 P. K. Deb , K. Amos , S. Karataglidis

We demonstrate that the entirety of the data on proton--proton and antiproton--proton forward scattering between 6 GeV and 57 TeV center-of-mass energy is sufficient to show that $\sigma_{\rm elas}/\sigma_{\rm tot} \rightarrow 1/2$, and…

High Energy Physics - Phenomenology · Physics 2016-01-20 Martin M. Block , Loyal Durand , Phuoc Ha , Francis Halzen

A model independent Levy expansion method is introduced to describe nearly Levy shaped squared moduli of Fourier transforms. We apply this method to precisely characterize the most recent elastic scattering data of proton-proton collisions…

High Energy Physics - Phenomenology · Physics 2020-05-01 T. Csorgo , R. Pasechnik , A. Ster

Measurements of inclusive charged-hadron transverse-momentum (pT) and pseudorapidity (eta) distributions are presented for proton-proton collisions at sqrt(s)=0.9 and 2.36 TeV. For non-single-diffractive interactions, the average pT of…

High Energy Physics - Experiment · Physics 2010-07-27 Gabor I. Veres , CMS Collaboration

We calculate the differential cross sections for proton elastic scattering on the exotic halo nuclei $^6$He and $^8$He at energies around $\sim$0.7 GeV at the momentum transfers squared up to 0.30 (GeV/$c$)$^2$ and investigate the influence…

Nuclear Theory · Physics 2018-04-04 G. D. Alkhazov , V. V. Sarantsev

We review elastic and diffractive scattering of protons (called also "forward physics") with emphasis on the LHC data, especially those deviating from the expectations based on extrapolations from earlier measurements at the ISR, Fermilab…

High Energy Physics - Phenomenology · Physics 2019-02-18 László Jenkovszky , Rainer Schicker , István Szanyi

This work is part of an ongoing effort to build microscopically-driven nonlocal optical potentials easily tracktable in scattering codes. Based on the separable `$JvH$' structure proposed recently \cite{arellano_22}, where the potential can…

Nuclear Theory · Physics 2024-02-26 G. Blanchon , H. F. Arellano

We present new precision measurements of the elastic electron-proton scattering cross section for momentum transfer (Q$^2$) up to 15.75~\gevsq. Combined with existing data, these provide an improved extraction of the proton magnetic form…

Nuclear Experiment · Physics 2022-03-24 M. E. Christy , T. Gautam , L. Ou , B. Schmookler , Y. Wang , D. Adikaram , Z. Ahmed , H. Albataineh , S. F. Ali , B. Aljawrneh , K. Allada , S. L. Allison , S. Alsalmi , D. Androic , K. Aniol , J. Annand , J. Arrington , H. Atac , T. Averett , C. Ayerbe Gayoso , X. Bai , J. Bane , S. Barcus , K. Bartlett , V. Bellini , R. Beminiwattha , J. Bericic , H. Bhatt , D. Bhetuwal , D. Biswas , E. Brash , D. Bulumulla , C. M. Camacho , J. Campbell , A. Camsonne , M. Carmignotto , J. Castellanos , C. Chen , J-P. Chen , T. Chetry , E. Cisbani , B. Clary , E. Cohen , N. Compton , J. C. Cornejo , S. Covrig Dusa , B. Crowe , S. Danagoulian , T. Danley , W. Deconinck , M. Defurne , C. Desnault , D. Di , M. Dlamini , M. Duer , B. Duran , R. Ent , C. Fanelli , E. Fuchey , C. Gal , D. Gaskell , F. Georges , S. Gilad , O. Glamazdin , K. Gnanvo , A. V. Gramolin , V. M. Gray , C. Gu , A. Habarakada , T. Hague , G. Hamad , D. Hamilton , K. Hamilton , O. Hansen , F. Hauenstein , A. V. Hernandez , W. Henry , D. W. Higinbotham , T. Holmstrom , T. Horn , Y. Huang , G. M. Huber , C. Hyde , H. Ibrahim , N. Israel , C-M. Jen , K. Jin , M. Jones , A. Kabir , B. Karki , C. Keppel , V. Khachatryan , P. M. King , S. Li , W. Li , H. Liu , J. Liu , A. H. Liyanage , D. Mack , J. Magee , S. Malace , J. Mammei , P. Markowitz , S. Mayilyan , E. McClellan , F. Meddi , D. Meekins , K. Mesick , R. Michaels , A. Mkrtchyan , B. Moffit , R. Montgomery , L. S. Myers , P. Nadel-Turonski , S. J. Nazeer , V. Nelyubin , D. Nguyen , N. Nuruzzaman , M. Nycz , R. F. Obrecht , K. Ohanyan , C. Palatchi , B. Pandey , K. Park , S. Park , C. Peng , F. D. Persio , R. Pomatsalyuk , E. Pooser , A. J. R. Puckett , V. Punjabi , B. Quinn , S. Rahman , M. N. H. Rashad , S. Riordan , J. Roche , I. Sapkota , A. Sarty , B. Sawatzky , N. H. Saylor , M. H. Shabestari , A. Shahinyan , S. Sirca , G. R. Smith , S. Sooriyaarachchilage , N. Sparveris , R. Spies , A. Stefanko , T. Su , A. Subedi , V. Sulkosky , A. Sun , Y. Tan , L. Thorne , N. Ton , F. Tortorici , R. Trotta , R. Uniyal , G. M. Urciuoli , E. Voutier , B. Waidyawansa , B. Wojtsekhowski , S. Wood , X. Yan , L. Ye , Z. H. Ye , C. Yero , J. Zhang , Y. X. Zhao , P. Zhu

A recent Schwinger Generating Functional based formulation, by H.M.Fried,Y.Gabellini,T.Grandou and Y-M.Sheu and P.H.Tsang provided gauge-invariant, exact, non-perturbative solutions for QCD. After choosing a renormalization scheme and…

High Energy Physics - Phenomenology · Physics 2019-09-04 Peter H. Tsang

A detailed analysis is presented of the diffractive deep-inelastic scattering process $ep\to eXY$, where $Y$ is a proton or a low mass proton excitation carrying a fraction $1 - \xpom > 0.95$ of the incident proton longitudinal momentum and…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We show that the proton-proton elastic differential cross section data at dip position and beyond can be quite well described by a parametrization based on the Tsallis distribution, with only five free fit parameters. Extrapolation of the…

High Energy Physics - Phenomenology · Physics 2015-06-04 D. A. Fagundes , M. J. Menon , P. V. R. G. Silva

The total and topological 4Hep cross sections as well as the cross sections of the separate 4Hep interaction channels and the differential cross sections of the elastic 4Hep scattering were measured using the 2m hydrogen bubble chamber…

Nuclear Experiment · Physics 2009-10-31 A. V. Blinov , M. V. Chadeyeva , V. E. Grechko , V. F. Turov