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2 edition of Measurement of the proton structure function F₂ at HERA found in the catalog.

Measurement of the proton structure function F₂ at HERA

Mikihiko Nakao

Measurement of the proton structure function F₂ at HERA

by Mikihiko Nakao

  • 139 Want to read
  • 24 Currently reading

Published by Institute for Nuclear Study, University of Tokyo in Tanashi, Tokyo, Japan .
Written in English

    Subjects:
  • Protons -- Scattering -- Measurement.,
  • Deep inelastic scattering -- Measurement.,
  • Form factor (Nuclear physics) -- Measurement.,
  • Nuclear structure -- Measurement.

  • Edition Notes

    StatementMikihiko Nakao.
    SeriesINS-J ;, 178, INSJ ;, 178.
    ContributionsTōkyō Daigaku. Genshikaku Kenkyūjo.
    Classifications
    LC ClassificationsQC793.5.P728 N35 1994
    The Physical Object
    Paginationiv, 132 p. :
    Number of Pages132
    ID Numbers
    Open LibraryOL1217900M
    LC Control Number94216163

    Abstract. We present the first results on the proton structure function F2 (x, Q2) at HERA, for Q2> 5 Ge V 2 and in the low Bjorken x range between and • The measurement is based on about neutral current deep inelastic scattering events recorded by the HI detector in the first year of HERA operation, corresponding to an integrated luminosity of nb-l. Proton structure measurements and PDFs at HERA Article in Nuclear Physics B - Proceedings Supplements s ––34 March with 6 Reads How we measure 'reads'.

    A measurement of the longitudinal proton structure function F L(x,Q2) derived from inclusive deep inelastic e +p scattering cross section measurements with the H1 detector at HERA is presented. Introduction HERAPDF Structure functions Dipole models HERAFitter Summary Backup Probe of proton structure The preliminary combination of all inclusive DIS cross sections measured by the H1 and ZEUS collaborations at HERA Neutral current H1 and ZEUS preliminary 0 1 1 10 10 2 10 3 10 4 10 5 Q2/GeV2 σ r, NC (x,Q 2.

    Abstract The proton F 2 (x, Q 2) structure function is extracted from neutral current deep inelastic scattering of GeV positrons and GeV protons from the HERA collider in the ZEUS data sample was collected during the and running periods with a luminosity of pbDuring this running period, pb-1 of low Q 2 data was taken from which F 2 (x, Q 2) . CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. Measurements of proton structure functions made in neutral and charged.


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Measurement of the proton structure function F₂ at HERA by Mikihiko Nakao Download PDF EPUB FB2

Measurement of the proton structure function F 2 in ep scattering at HERA Author links open overlay panel ZEUS Collaboration M. Derrick D. Krakauer S. Magill B. Musgrave J. Repond S. Repond R.

Stanek R.L. Talaga J. Thron F. Arzarello R. Ayad 1 G. Bari M. Basile L. Bellagamba D. Boscherini A. Bruni G. Bruni Cited by:   The ZEUS detector has been used to measure the proton structure functionF 2. During HERA collided GeV electrons on GeV protons.

The data sample corresponds to an integrated luminosity of pb−1, representing a twenty fold increase in Cited by: The first measurement of the proton structure function F 2 using QED Compton scattering at HERA is presented.

The available range of phase space extends down to Q 2 = GeV 2, in the transition region from DIS to by: present thesis is the measurement of the proton structure function F2 using the data collected by the H1 experiment in this time interval.

The thesis is organised as follows: In chapter 1 the theoretical concepts concerning deep inelastic scattering and the structure of the proton.

Measurement of the proton structure function F2 in ep scattering at HERA. From the cross sections, measured double differentially in Bjorken x and the virtuality, Q 2, the proton structure functions F L and F 2 have been extracted in the region 5 × 10 − 4 and Cited by: A measurement of the proton structure function F 2 (x,Q 2) is presented in the kinematic range GeV 2 and 610 −7.

The results were obtained using a data sample corresponding to an integrated luminosity of pb −1 in e + p Cited by: With a given factorization scheme, e.g. the DIS scheme, the PDFs of the proton and the hard scattering matrix element can be combined to the specific structure functions of the proton, which are subject to various measurements at HERA [1, 2].Author: Henning Schnurbusch.

Proton Structure Function F2 Quark-Parton-Model: IF, proton was made of 3 quarks each with some momentum smearing: F 2 ⅓ x q(x)=δ(x-1/3) Momentum smearing IF partons are point-like and incoherent then Q2 shouldn’t matter Bjorken scaling: F 2 = F 2(x), no Q2 dependence.

Proton Structure Measurements from HERA HepMad - Antananarivo - Madagascar Eram Rizvi September proton beam energy Ep was set to GeV. In it was increased to GeV. The NC data Complete the analyses of HERA high Q2 inclusive structure function data. F3 becomes important at very high Q2 ~ M~.

The structure function F2 is the best measured, as it gives the dominant contribution to the cross section.

For fixed Q2, the structure function measurements from fixed-taxget experiments and HERA extend up to four orders of magnitude in : A.C.

Caldwell. Abstract. The longitudinal structure function F L (x,Q 2) of the proton has been measured at the HERA collider in positron—proton deep inelastic scattering in the H1 and ZEUS s of GeV, GeV and GeV have been collided with positrons of GeV.

In the H1 experiment (ZEUS experiment) the Q 2 range 12 GeV 2 Cited by: 1. Measurements of the structure function F 2 as a function of Q 2 at various values of x.

The new data (closed circles) are complemented by the previously published data at low Q 2 Author: Alexey Petrukhin. We report on a measurement of the proton structure functionF 2 in the range ×10−5≤x≤4×10−3 and GeV2≤Q 2≤15GeV2 at theep collider HERA operating at a centre-of-mass energy of √s=GeV.

The rise ofF 2 with decreasingx observed in the previous HERA measurements persists in this lowerx andQ 2 by: HERA provides collisions of GeV electrons with GeV protons, resulting in a center of mass energy an order of magnitude higher than previous fixed target electron scattering experi­ ments.

The kinematics at HERA allows the measurement of F2 in a region of x ana g2 phase space previously unexplored. A total integrated luminosity of Author: Frank S. Chlebana. Abstract. HERA provides the key facility for the measurement of proton structure functions.

Formalism and methods are outlined for the measurement and interpretation of inclusive structure functions, including the use of polarised e ± beams. The measurement of charm, beauty and photon structure functions is discussed, together with special runs at low proton energy for measurement of the Author: D.

Saxon. Title: Measurement of the Proton Structure Function ${F_2}$ at low ${x}$ and low ${Q^2}$ at HERA Authors: The ZEUS Collaboration (Submitted on 23 Oct (v1).

The ZEUS detector has been used to measure the proton structure function F 2. During HERA collided GeV electrons on GeV protons. The data sample corresponds to an integrated luminosity of pb-1, representing a twenty fold increase. Measurement of the proton structure function F$_{2}$ from the HERA data.

Not Available adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86AAuthor: O.

Behrendt. The "proton structure" is a wide field. Discussed are predominantly the precision measurements of the proton structure functions at HERA and some of their implications for the LHC measurements.

In Author: Iris Abt, Zeus Collaborations.The longitudinal proton structure function (FL) has been measured at the HERA collider in positron-proton deep inelastic scattering collisions with the H1 and ZEUS detectors.Measurement of the proton structure functionF 2 from the HERA data.