نتایج جستجو برای: protons

تعداد نتایج: 22490  

Journal: :Journal of Physics: Conference Series 2013

Journal: :Nuclear Physics A 2002

Journal: :The European Physical Journal C 2020

Journal: :Journal of Geophysical Research: Space Physics 1997

Journal: :Radiotherapy and Oncology 2018

Journal: :Physics Letters B 2022

We explore a novel mechanism to restrict TeV-scale leptoquark interactions and render the proton exactly stable all orders in effective field theory expansion. A scalar condensate breaks lepton-flavoured U(1)X gauge symmetry ultraviolet generates neutrino masses, leaving discrete Z9 or Z18 infrared, forbidding ?B=1 processes. This provides an elegant framework address flavour anomalies can be a...

Journal: :Science 2013
M Ackermann M Ajello A Allafort L Baldini J Ballet G Barbiellini M G Baring D Bastieri K Bechtol R Bellazzini R D Blandford E D Bloom E Bonamente A W Borgland E Bottacini T J Brandt J Bregeon M Brigida P Bruel R Buehler G Busetto S Buson G A Caliandro R A Cameron P A Caraveo J M Casandjian C Cecchi O Celik E Charles S Chaty R C G Chaves A Chekhtman C C Cheung J Chiang G Chiaro A N Cillis S Ciprini R Claus J Cohen-Tanugi L R Cominsky J Conrad S Corbel S Cutini F D'Ammando A de Angelis F de Palma C D Dermer E do Couto e Silva P S Drell A Drlica-Wagner L Falletti C Favuzzi E C Ferrara A Franckowiak Y Fukazawa S Funk P Fusco F Gargano S Germani N Giglietto P Giommi F Giordano M Giroletti T Glanzman G Godfrey I A Grenier M-H Grondin J E Grove S Guiriec D Hadasch Y Hanabata A K Harding M Hayashida K Hayashi E Hays J W Hewitt A B Hill R E Hughes M S Jackson T Jogler G Jóhannesson A S Johnson T Kamae J Kataoka J Katsuta J Knödlseder M Kuss J Lande S Larsson L Latronico M Lemoine-Goumard F Longo F Loparco M N Lovellette P Lubrano G M Madejski F Massaro M Mayer M N Mazziotta J E McEnery J Mehault P F Michelson R P Mignani W Mitthumsiri T Mizuno A A Moiseev M E Monzani A Morselli I V Moskalenko S Murgia T Nakamori R Nemmen E Nuss M Ohno T Ohsugi N Omodei M Orienti E Orlando J F Ormes D Paneque J S Perkins M Pesce-Rollins F Piron G Pivato S Rainò R Rando M Razzano S Razzaque A Reimer O Reimer S Ritz C Romoli M Sánchez-Conde A Schulz C Sgrò P E Simeon E J Siskind D A Smith G Spandre P Spinelli F W Stecker A W Strong D J Suson H Tajima H Takahashi T Takahashi T Tanaka J G Thayer J B Thayer D J Thompson S E Thorsett L Tibaldo O Tibolla M Tinivella E Troja Y Uchiyama T L Usher J Vandenbroucke V Vasileiou G Vianello V Vitale A P Waite M Werner B L Winer K S Wood M Wood R Yamazaki Z Yang S Zimmer

Cosmic rays are particles (mostly protons) accelerated to relativistic speeds. Despite wide agreement that supernova remnants (SNRs) are the sources of galactic cosmic rays, unequivocal evidence for the acceleration of protons in these objects is still lacking. When accelerated protons encounter interstellar material, they produce neutral pions, which in turn decay into gamma rays. This offers ...

2008
D. A. BAIKO P. Haensel

(Received February 1, 2008) As pointed out by Kutschera and Wójcik, very low concentration of protons combined with a specific density dependence of effective neutron– proton interaction could lead to a localization of “proton impurities” in neutron medium at densities exceeding four times normal nuclear matter density. We study consequences of the localization of protons for transport processe...

Journal: :The Journal of General Physiology 1986
J C Parker

Passive movements of Li in dog red blood cells (RBC) ar like those of Na and protons in being stimulated by osmotic cell shrinkage and inhibited by amiloride. Li and protons have similar asymmetrical effects on Na-H exchange. When the intracellular fluid is made rich in Li or protons, Na-H exchange is stimulated. When the extracellular fluid is enriched in Li or protons, Na-H exchange is inhibi...

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