Antiprotonic atoms with nonperturbative inclusion of vacuum polarization and finite nuclear mass

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10508332" target="_blank" >RIV/00216208:11320/25:10508332 - isvavai.cz</a>

Result on the web

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=olrnqdtEzX" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=olrnqdtEzX</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/82t6-y58b" target="_blank" >10.1103/82t6-y58b</a>

Result language

angličtina

Original language name

Antiprotonic atoms with nonperturbative inclusion of vacuum polarization and finite nuclear mass

Original language description

We demonstrate that energy levels of excited states in a hydrogenic system consisting of an arbitrary nucleus and an antiproton can be calculated within the framework of nonrelativistic quantum electrodynamics, even for a large nuclear charge Z. It is because for rotational states the expansion parameter is Z alpha/n. The main advantage of this approach is the possibility of exact inclusion of the finite nuclear mass, which we achieve up to the (Z alpha)(6) order. In addition, we include unperturbatively the one-loop and two-loop electron vacuum polarization (EVP) potentials in the nonrelativistic Hamiltonian, as well as in the leading relativistic correction. The obtained results for l &gt; 1 states of antiprotonic atoms with a spinless nucleus are the most accurate to date. We make available a user-friendly MATHEMATICA code for antiprotonic atoms PBARSPECTR, which can be further improved by combining EVP potentials with (Z alpha)(5) QED effects, by adding three-loop EVP, and by extending to an arbitrary nuclear spin. Finally, we note that rotational states of antiprotonic atoms can be used to determine the mean-square nuclear charge radius much more accurately than from electronic or muonic atoms.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10300 - Physical sciences

Project

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Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physical review A

ISSN

2469-9926

e-ISSN

2469-9934

Volume of the periodical

112

Issue of the periodical within the volume

5

Country of publishing house

US - UNITED STATES

Number of pages

8

Pages from-to

052808

UT code for WoS article

001619381700001

EID of the result in the Scopus database

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