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Volume 33A, number 6 P H Y S I C S L E T T E R S 30 November 1970 THE PROTON AND NEUTRON MASSES AND A CONJECTURE FOR THE GRAVITATIONAL CONSTANT I.J. GOOD Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA Received 24 September 1970 Some formulae are suggested connecting the velocity of light, Planck's constant, the fine-structure constant, the gravitational constant, and the masses of the electron, proton and neutron. They are accurate enough to suggest that Eddington's fundamental theory is likely to be partly right. If Eddington's fundamental theory [1] contains any element of truth, the notion of "phase space" in his sense must be important. In the spirit of the geometrization of physics it is therefore natural to conjecture that the volume of a spheroid in this phase space should be related to the fundamental physical constants. In this note some formulae are mentioned that support this conjecture. Although these formulae are basically "numerological", with only the glimmer- ings of a theory, it should hot be forgotten that, from the point of view of theoretical physics, the whole point in the costly measurement of physi- cal constants is in the hope of ultimately finding relationships between them. Numerology is good when it is simple and accurate enough to com- pensate for the lack of a supporting full-dress theory, especially if it seems to point towards some of the features that such a theory should have. In Eddington's theory the "phase space" has R 1 = 10 =22(22 + 1)/2 real andI 1 =6 = = 22(22 - 1)/2 imaginary dimensions; the "double phase space" has R2 = 136 = 42(42 + 1)/2 real and 12 = 120 = 42(42 - 1)/2 imaginary dimensions; and the "quadruple phase space" has R3 = 32896 = = 162(162 + 1)/2 real and 13 = 32640 = 162(162 - 1)/2 imaginary dimensions. Based on these phase spaces, together with some obscure arguments, Eddington made estimates of various dimension- less physical constants including the mass ratio rnp/m¢ of the proton to the electron, the gravi- tational constant G and the number N of protons and electrons in the universe. It is plausible to assume that the number N' of protons, electrons, antiprotons and positrons is 2N, or at least that N' is just as fundamental a constant as N. Eddington made use of a correction factor/3 = = 137/136 (Bond's constant) but I shall replace this by fl' = 1/(136a) where a is the fine-structure constant for which the current best observational estimate is given [2] by a = 1/(137.036 02 + + 0.00021). Let the volume of unit spheroids in phase space, double phase space and quadruple phase space be denoted by V 1, V 2 and V3. For example V 1 = ~5/120 , V3 = ~68/68! The following numerological results are ex- traordinarily accurate. First mp/rn e ~ II I2V 1 = 1836.118 , (1) the observed value being 1836.109 =~ 0.011. Formula (1) is equivalent to the remark by Lenz [3] that mp/m e ~ 67r5, and begins to give it a geometrical meaning. Next (2) (mn -rap)line ~ V1/~' = 2.530884 + 0.000004 the observed value being 2.53090 + 0.00025 so eq. (2) is again within experimental error. Equi- valently mp/(m n -rnp) ~ Ill2fl' = 725.4848 + 0,0011 (3) the observed value being 725.48 :~ 0.06. By analogy with formula (1) there might be a particle whose mass is either ml = 1112 I3 V3 m e or m 2 = I213V3.me or m 3 = I 113V3me . Although m3 seems a priori a little less likely than ml or m 2 to correspond to reality, it will be used here because it gives more interesting results. Since m3/m e ~ 10 -57 the particle might have a diameter about 10 -19 times that of the electron, that is, about 10 -32 cm. It might therefore be related to the "worm-holes"'of Wheeler [e.g.4] which have 383

The proton and neutron masses and a conjecture for the gravitational constant

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Volume 33A, number 6 P H Y S I C S L E T T E R S 30 November 1970

T H E P R O T O N A N D N E U T R O N M A S S E S A N D A C O N J E C T U R E F O R T H E G R A V I T A T I O N A L C O N S T A N T

I . J . GOOD Virginia Polytechnic Inst i tute and State Universi ty, Blacksburg, Virginia, USA

Received 24 September 1970

Some formulae are suggested connecting the velocity of light, Planck's constant, the f ine-s t ructure constant, the gravitational constant, and the masses of the electron, proton and neutron. They are accurate enough to suggest that Eddington's fundamental theory is likely to be partly right.

If E d d i n g t o n ' s f u n d a m e n t a l t h e o r y [1] con ta ins any e l e m e n t of t r u th , the not ion of "phase s p a c e " in h i s s e n s e m u s t be i m p o r t a n t . In the s p i r i t of the g e o m e t r i z a t i o n of p h y s i c s it i s t h e r e f o r e n a t u r a l to c o n j e c t u r e that the v o l u m e of a s p h e r o i d in th i s p h a s e s p a c e should be r e l a t e d to the fundamen ta l p h y s i c a l cons t an t s . In th is no te s o m e f o r m u l a e a r e m e n t i o n e d that suppor t t h i s c o n j e c t u r e . A l though t h e s e f o r m u l a e a r e b a s i c a l l y " n u m e r o l o g i c a l " , wi th only the g l i m m e r - ings of a t h e o r y , i t shou ld hot be f o r g o t t e n that , f r o m the point of v i e w of t h e o r e t i c a l p h y s i c s , the whole point in the c o s t l y m e a s u r e m e n t of p h y s i - ca l c o n s t a n t s i s in the hope of u l t i m a t e l y f inding r e l a t i o n s h i p s b e t w e e n them. N u m e r o l o g y i s good when it i s s i m p l e and a c c u r a t e enough to c o m - p e n s a t e fo r the l ack of a suppo r t i ng f u l l - d r e s s t h e o r y , e s p e c i a l l y if i t s e e m s to point t o w a r d s s o m e of the f e a t u r e s tha t such a t h e o r y should have .

In E d d i n g t o n ' s t h e o r y the "phase s p a c e " has R 1 = 10 =22(22 + 1) /2 r e a l a n d I 1 =6 = = 22(22 - 1) /2 i m a g i n a r y d i m e n s i o n s ; the "double phase s p a c e " has R2 = 136 = 42(42 + 1)/2 r e a l and 12 = 120 = 42(42 - 1) /2 i m a g i n a r y d i m e n s i o n s ; and the "quad rup l e p h a s e s p a c e " has R3 = 32896 = = 162(162 + 1)/2 r e a l and 13 = 32640 = 162(162 - 1) /2 i m a g i n a r y d i m e n s i o n s . B a s e d on t h e s e phase s p a c e s , t o g e t h e r wi th s o m e o b s c u r e a r g u m e n t s , Eddington m a d e e s t i m a t e s of v a r i o u s d i m e n s i o n - l e s s p h y s i c a l c o n s t a n t s inc lud ing the m a s s r a t i o r n p / m ¢ of the p r o t o n to the e l e c t r o n , the g r a v i - t a t i ona l cons t an t G and the n u m b e r N of p ro tons and e l e c t r o n s in the u n i v e r s e . It i s p l a u s i b l e to a s s u m e that the n u m b e r N ' of p r o t o n s , e l e c t r o n s , a n t i p r o t o n s and p o s i t r o n s i s 2N, o r at l e a s t that N ' i s jus t a s f u n d a m e n t a l a cons t an t a s N. Eddington m a d e u s e of a c o r r e c t i o n f a c t o r / 3 =

= 137/136 (Bond ' s cons tant ) but I sha l l r e p l a c e th i s by fl' = 1/(136a) w h e r e a is the f i n e - s t r u c t u r e cons tan t fo r which the c u r r e n t b e s t o b s e r v a t i o n a l e s t i m a t e i s g iven [2] by a = 1/ (137.036 02 + + 0.00021).

Le t the v o l u m e of unit s p h e r o i d s in phase s p a c e , double phase s p a c e and q u a d r u p l e phase s p a c e be deno ted by V 1, V 2 and V3. F o r e x a m p l e

V 1 = ~5 /120 , V3 = ~68 /68!

The fo l lowing n u m e r o l o g i c a l r e s u l t s a r e e x - t r a o r d i n a r i l y a c c u r a t e . F i r s t

m p / r n e ~ I I I 2 V 1 = 1836.118 , (1)

the o b s e r v e d va lue be ing 1836.109 =~ 0.011. F o r m u l a (1) i s e q u i v a l e n t to the r e m a r k by Lenz [3] that m p / m e ~ 67r5, and b e g i n s to g ive i t a g e o m e t r i c a l mean ing . Next (2)

(mn - r a p ) l i n e ~ V 1 / ~ ' = 2 .530884 + 0 .000004

the o b s e r v e d va lue be ing 2 .53090 + 0 .00025 so eq. (2) i s aga in wi th in e x p e r i m e n t a l e r r o r . E q u i - v a l e n t l y

m p / ( m n - rnp) ~ I l l 2 f l ' = 725.4848 + 0,0011 (3)

the o b s e r v e d va lue be ing 725.48 :~ 0.06. By ana logy with f o r m u l a (1) t h e r e migh t be a

p a r t i c l e whose m a s s i s e i t h e r m l = 1112 I3 V 3 m e o r m 2 = I213V3.me o r m 3 = I 113V3me . Although m3 s e e m s a p r i o r i a l i t t l e l e s s l ike ly than m l o r m 2 to c o r r e s p o n d to r e a l i t y , i t wi l l be u s e d h e r e b e c a u s e it g i v e s m o r e i n t e r e s t i n g r e s u l t s . S ince m 3 / m e ~ 10 -57 the p a r t i c l e migh t have a d i a m e t e r about 10 -19 t i m e s that of the e l e c t r o n , that i s , about 10 -32 cm. It migh t t h e r e f o r e be r e l a t e d to the " w o r m - h o l e s " ' o f W h e e l e r [e.g.4] which have

383

Volume 33A, number 6 P H Y S I C S

d i a m e t e r s of o r d e r ,/G t[/c 3 ~ 10 .33 cm. Be tha t a s i t m a y , it i s r e m a r k a b l e tha t the d i m e n s i o n - l e s s c o n s t a n t

~ - ~ c ~ / r n 3 ~ N ' = 3 × 136 × 2256 (4)

t he le f t s i d e b e i n g (4.727 76 ± 0.001 1) x 1079 and the r i gh t s i d e 4.724 32 × 1079. The d i s c r e p a n c y i s 3.1 s t a n d a r d d e v i a t i o n s but the r a t i o of the l o g a r i t h m s of the two s i d e s of eq. (4) is about 1 . 0 0 0 0 0 2 7 so the d e g r e e of a g r e e m e n t s e e m s b e t t e r than the d e g r e e of d i s a g r e e m e n t , e s p e c i a l - ly a s p u b l i s h e d va lue s of t he s t a n d a r d d e v i a t i o n s of p h y s i c a l c o n s t a n t s a r e o f t en too low. M o r e o v e r , s i n c e , by eq. (3), m n = m p (1 + 1 / I l I 2 f l ' ) , wi th in e x p e r i m e n t a l e r r o r , it m igh t not be too ad hoc to w r i t e m~ = m 3(1 + 1 / R 1R 213 ' ) . Then

c / G / ' m ' 3 ~' 3 x 136 × 2256 , (5)

the e r r o r be ing only one p a r t in a m i l l i o n if the b e s t c u r r e n t e x p e r i m e n t a l v a l u e s f o r / ~ , c and G a r e a s s u m e d . The r a t i o of the l o g a r i t h m s of the

L E T T E R S 30 November t970

two s i d e s of eq. (5) d i f f e r s f r o m uni ty by l e s s lha~t one p a r t in a h u n d r e d mi l l i on . If eq. (5) i s e x a c t - ly t r u e then the p u b l i s h e d s t a n d a r d dev ia t ion f o r t he e x p e r i m e n t a l va lue of G = (6.673 2 ± 0.0031) x 10 -8 c m 3 / g s e c 2 can be r e d u c e d by a f a c t o r of 50. On the o t h e r hand , if eq. (4) is exac t , we would have

2 G : (6 .68293 ± 0.00006) x 10 -8 c m 3 / g s e c (6)

R e . f e r e , t c e s

[1] A. S. EddingIon, Fundamental theory. (University P r e s s , Cambridge, 1946).

[2] N. Baraseh-Schmidt , A. Barbaro-Gal t ier i , C. Brieman, S .E .Derenzo , L.R. Pr iee , A. Rittenberg, M. Roos, A.t t . Rosenfeld, P.Soding, C.G. Wohl, Par t ic le proper t ies (Janu'~ry 1970) Lawrence l{adia- tion Laborator3, Berkeley, California.

[3] F. Lenz, Phys. Rev. 82 (1951) 554. [4] J. A. Wheeler, "Curved empty space- t ime as the

building material of the physical world: an a s s e s s - ment", in Logie methodolog3' and philosophy of Scienee (Stanford University P r e s s , 1962) 361-374.

C O N T R A C T I O N D E S P H A S E S /3 E T 5 D U P L U T O N I U M S O U S L ' E F F E T D E L ' A U T O I R R A D I A T I O N A 4 . 2 ° g

J. J A C Q U E M I N * et R. L A L L E M E N T ** Sert,ice du Plutonium, Centre d 'Etudes Nu('16aires de Fonlenay aux Roses , France

Regu le 27 August 1970

Les correlations entre |es mesures de variations de longueur et de r6sistance en fonction du temps d'autoirradiat ion fi 4.2 OK nous ont amen6s "t penser q u c [e s phases ~ et 5 du plutonium devaient se eont rae ter sous l 'effet des dommages caus6s par l ' i r radiat ion. Nous awms mis en 5videnee exp6ri- mentatement cette contraction, par t ieul iSrement importante pour la phase 5.

Sous l ' e f f e t de la d 6 s i n t d g r a t i o n c~ s p o n t a n ~ e , le p l u t o n i u m 239 et s e s c o m p o s 6 s s u b i s s e n t une i r r a d i a t i o n n a t u r e l l e dont l e s c o n s 6 q u e n c e s s u r un g r a n d n o m b r e de p r o p r i ~ t ~ s son t m a i n t e n a n t b i e n connues .

L e s v a r i a t i o n s de r d s i s t a n c e 61ec t r ique in - d u i t e s p a r ce p h 6 n o m ~ n e p o u r l e s p h a s e s a , fi et 6 du p l u t o n i u m ont 6t~ p a r t i c u l i S r e m e n t b ien 6 tu- d i ~ e s [1]. On sa i t que l ' a l l u r e d e s v a r i a t i o n s de r ~ s i s t a n c e n ' e s t a b s o l u m e n t p a s la m e m e pour la p h a s e a e t p o u r l e s p h a s e s / 3 et 5. Dans le

* Boursier de these 3~me cycle - SPu-SECBPu. ** Agent CEA - SPu-SPuL

384

p r e m i e r c a s la r 6 s i s t a n c e d ' un fi l de p lu ton ium c~ a u g m e n t e en fo n c t i o n du t e m p s , pu i s p a s s e p a r un m a x i m u m . Dans le d e u x i ~ m e c a s , e l l e aug- m e n t e c o n t i n u e l l e m e n t [2].

Nous a v o n s p r o p o s 6 une i n t e r p r e t a t i o n de ce p h d n o m 6 n e d a n s un a r t i c l e d6jfi publ i6 [3], dont l e s a r g u m e n t s son t l e s s u i v a n t s :

On sa l t que le v o l u me du p lu ton ium a u g m e n t e s o u s l ' e f f e t de l ' a u t o i r r a d i a t i o n b i en p lus l e n t e - meri t que la r 6 s i s t i v i t ~ . La r ~ s i s t i v i t 6 p f in i t p a r d e v e n i r c o n s t a n t e a l o r s que le vo lume V a u g m e n t e e n c o r e . Dans c e s c o n d i t i o n s l e s v a r i a t i o n s de la r d s i s t a n c e R d 'un f i l de l ongueur L e t de s e c t i o n S s ' 6 c r i v e n t :