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Title: Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles

Abstract

The differential cross section for proton-proton elastic scattering has been measured at a beam energy of 1.0 GeV and in 200 MeV steps from 1.6 to 2.8 GeV for centre-of-mass angles in the range from 12°–16° to 25°–30°, depending on the energy. Absolute normalisations of typically 3% were achieved by studying the energy losses of the circulating beam of the COSY storage ring as it passed repeatedly through the windowless hydrogen target of the ANKE magnetic spectrometer. It is shown that the data have a significant impact upon a partial wave analysis. Furthermore, after extrapolating the differential cross sections to the forward direction, the results are broadly compatible with the predictions of forward dispersion relations.

Authors:
 [1];  [1];  [2];  [1];  [3];  [4];  [5];  [4];  [4];  [4];  [6];  [7];  [8];  [4];  [9];  [4];  [4];  [10];  [11];  [12] more »;  [9];  [4];  [4];  [4];  [4];  [6];  [8];  [4];  [4];  [4];  [13];  [4];  [14];  [6];  [15];  [8];  [8];  [16];  [17];  [13];  [4] « less
  1. Tbilisi State Univ., Tbilisi (Georgia); Forschungszentrum Julich, Julich (Germany)
  2. JINR, Dubna (Russia); Petersburg Nuclear Physics Institute, Gatchina (Russia)
  3. Petersburg Nuclear Physics Institute, Gatchina (Russia)
  4. Forschungszentrum Julich, Julich (Germany)
  5. Forschungszentrum Julich, Julich (Germany); Chinese Academy of Sciences, Lanzhou (China)
  6. Univ. Munster, Munster (Germany)
  7. H. Niewodniczanski Institute of Nuclear Physics PAN, Krakow (Poland)
  8. JINR, Dubna (Russia)
  9. Tbilisi State Univ., Tbilisi (Georgia)
  10. Tbilisi State Univ., Tbilisi (Georgia); JINR, Dubna (Russia)
  11. JINR, Dubna (Russia); Forschungszentrum Julich, Julich (Germany)
  12. Forschungszentrum Julich, Julich (Germany); Petersburg Nuclear Physics Institute, Gatchina (Russia)
  13. George Washington Univ., Washington, D.C. (United States)
  14. High Energy Physics Institute, Tbilisi State University, GE-0186 Tbilisi, Georgia
  15. Forschungszentrum Rossendorf, Dresden (Germany); M.V. Lomonosov Moscow State Univ., Moscow (Russia)
  16. Petersburg Nuclear Physics Institute, Gatchina (Russia); Univ. Bonn, Bonn (Germany)
  17. UCL, London (United Kingdom)
Publication Date:
Research Org.:
Tbilisi State Univ., Tbilsi (Georgia); George Washington Univ., Washington, DC (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); Forschungszentrum Julich (COSY-FEE); Shota Rustaveli Science Foundation
OSTI Identifier:
1262051
Alternate Identifier(s):
OSTI ID: 1310401
Grant/Contract Number:  
FG02-99ER41110
Resource Type:
Accepted Manuscript
Journal Name:
Physics Letters. B
Additional Journal Information:
Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; proton-proton elastic scattering; differential cross section; nucleon-nucleon; intermediate energies; excitation-functions; analyzing power; pp; cosy

Citation Formats

Mchedlishvili, D., Chiladze, D., Dymov, S., Bagdasarian, Z., Barsov, S., Gebel, R., Gou, B., Hartmann, M., Kacharava, A., Keshelashvili, I., Khoukaz, A., Kulessa, P., Kulikov, A., Lehrach, A., Lomidze, N., Lorentz, B., Maier, R., Macharashvili, G., Merzliakov, S., Mikirtychyants, S., Nioradze, M., Ohm, H., Prasuhn, D., Rathmann, F., Serdyuk, V., Schroer, D., Shmakova, V., Stassen, R., Stein, H. J., Stockhorst, H., Strakovsky, I. I., Stroher, H., Tabidze, M., Taschner, A., Trusov, S., Tsirkov, D., Uzikov, Yu., Valdau, Yu., Wilkin, C., Workman, R. L., and Wustner, P. Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles. United States: N. p., 2016. Web. doi:10.1016/j.physletb.2016.01.066.
Mchedlishvili, D., Chiladze, D., Dymov, S., Bagdasarian, Z., Barsov, S., Gebel, R., Gou, B., Hartmann, M., Kacharava, A., Keshelashvili, I., Khoukaz, A., Kulessa, P., Kulikov, A., Lehrach, A., Lomidze, N., Lorentz, B., Maier, R., Macharashvili, G., Merzliakov, S., Mikirtychyants, S., Nioradze, M., Ohm, H., Prasuhn, D., Rathmann, F., Serdyuk, V., Schroer, D., Shmakova, V., Stassen, R., Stein, H. J., Stockhorst, H., Strakovsky, I. I., Stroher, H., Tabidze, M., Taschner, A., Trusov, S., Tsirkov, D., Uzikov, Yu., Valdau, Yu., Wilkin, C., Workman, R. L., & Wustner, P. Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles. United States. https://doi.org/10.1016/j.physletb.2016.01.066
Mchedlishvili, D., Chiladze, D., Dymov, S., Bagdasarian, Z., Barsov, S., Gebel, R., Gou, B., Hartmann, M., Kacharava, A., Keshelashvili, I., Khoukaz, A., Kulessa, P., Kulikov, A., Lehrach, A., Lomidze, N., Lorentz, B., Maier, R., Macharashvili, G., Merzliakov, S., Mikirtychyants, S., Nioradze, M., Ohm, H., Prasuhn, D., Rathmann, F., Serdyuk, V., Schroer, D., Shmakova, V., Stassen, R., Stein, H. J., Stockhorst, H., Strakovsky, I. I., Stroher, H., Tabidze, M., Taschner, A., Trusov, S., Tsirkov, D., Uzikov, Yu., Valdau, Yu., Wilkin, C., Workman, R. L., and Wustner, P. Wed . "Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles". United States. https://doi.org/10.1016/j.physletb.2016.01.066. https://www.osti.gov/servlets/purl/1262051.
@article{osti_1262051,
title = {Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles},
author = {Mchedlishvili, D. and Chiladze, D. and Dymov, S. and Bagdasarian, Z. and Barsov, S. and Gebel, R. and Gou, B. and Hartmann, M. and Kacharava, A. and Keshelashvili, I. and Khoukaz, A. and Kulessa, P. and Kulikov, A. and Lehrach, A. and Lomidze, N. and Lorentz, B. and Maier, R. and Macharashvili, G. and Merzliakov, S. and Mikirtychyants, S. and Nioradze, M. and Ohm, H. and Prasuhn, D. and Rathmann, F. and Serdyuk, V. and Schroer, D. and Shmakova, V. and Stassen, R. and Stein, H. J. and Stockhorst, H. and Strakovsky, I. I. and Stroher, H. and Tabidze, M. and Taschner, A. and Trusov, S. and Tsirkov, D. and Uzikov, Yu. and Valdau, Yu. and Wilkin, C. and Workman, R. L. and Wustner, P.},
abstractNote = {The differential cross section for proton-proton elastic scattering has been measured at a beam energy of 1.0 GeV and in 200 MeV steps from 1.6 to 2.8 GeV for centre-of-mass angles in the range from 12°–16° to 25°–30°, depending on the energy. Absolute normalisations of typically 3% were achieved by studying the energy losses of the circulating beam of the COSY storage ring as it passed repeatedly through the windowless hydrogen target of the ANKE magnetic spectrometer. It is shown that the data have a significant impact upon a partial wave analysis. Furthermore, after extrapolating the differential cross sections to the forward direction, the results are broadly compatible with the predictions of forward dispersion relations.},
doi = {10.1016/j.physletb.2016.01.066},
journal = {Physics Letters. B},
number = C,
volume = 755,
place = {United States},
year = {Wed Feb 03 00:00:00 EST 2016},
month = {Wed Feb 03 00:00:00 EST 2016}
}

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Works referencing / citing this record:

Partial-wave analysis of nucleon-nucleon elastic scattering data
journal, December 2016


Partial-Wave Analysis of Nucleon-Nucleon Elastic Scattering Data
text, January 2016


The KOALA experiment for (anti)proton–proton elastic scattering
journal, December 2021

  • Zhou, Yong; Xu, Huagen; Bechstedt, Ulf
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 1019
  • DOI: 10.1016/j.nima.2021.165849